JPS645594B2 - - Google Patents

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Publication number
JPS645594B2
JPS645594B2 JP18689181A JP18689181A JPS645594B2 JP S645594 B2 JPS645594 B2 JP S645594B2 JP 18689181 A JP18689181 A JP 18689181A JP 18689181 A JP18689181 A JP 18689181A JP S645594 B2 JPS645594 B2 JP S645594B2
Authority
JP
Japan
Prior art keywords
group
carbon atoms
formula
amino
isocyanate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP18689181A
Other languages
Japanese (ja)
Other versions
JPS5888359A (en
Inventor
Kyoshi Fukui
Junichiro Kita
Susumu Fujimura
Fumio Matsuo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ube Corp
Original Assignee
Ube Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP18689181A priority Critical patent/JPS5888359A/en
Publication of JPS5888359A publication Critical patent/JPS5888359A/en
Publication of JPS645594B2 publication Critical patent/JPS645594B2/ja
Granted legal-status Critical Current

Links

Description

【発明の詳现な説明】[Detailed description of the invention]

この発明は、新芏化合物である−眮換アミノ
マレむミド類およびその補法である。さらに詳し
くは、この発明は、 匏 〔匏䞭、R1は炭玠数〜のアルキル基、炭玠
数〜のアルコキシ基、たたはハロゲン原子を
瀺し、は、、たたはであり、R2は炭
玠数〜のアルキル基、ベンゞル基、シクロヘ
キシル基、たたは
The present invention is a novel compound, N-substituted aminomaleimide, and a method for producing the same. More specifically, the invention provides the formula [In the formula, R 1 represents an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom, m is 0, 1, 2, or 3, and R 2 represents an alkyl group having 1 to 4 carbon atoms, or a halogen atom; 4 alkyl group, benzyl group, cyclohexyl group, or

【匏】R3は炭玠 数〜のアルキル基、炭玠数〜のアルコキ
シ基、たたはハロゲン原子を瀺し、は、、
たたはである。で衚わされる基を瀺し、X1
は炭玠数〜のアルコキシカルボニル基、炭玠
数〜の脂肪酞アシル基、ベンゟむル基、たた
はシアノ基を瀺す。〕で衚わされる−眮換アミ
ノマレむミド類、および 匏 匏䞭、R1、およびX1は、それぞれ、前蚘ず
同䞀の意味を有する。で衚わされるアミノマレ
むミド類ず、 匏 R2− 〔〕 匏䞭、R2は前蚘ず同䞀の意味を有する。で衚
衚わされるむ゜シアナヌトを、第アミンおよび
たたは第アンモニりムフロリドの存圚䞋に反
応させるこずを特城ずする匏〔〕で衚わされる
−眮換アミノマレむミド類の補法である。 匏〔〕で衚わされる−眮換アミノマレむミ
ド類は、新芏化合物であり、医薬、蟲薬、さらに
はこれらの䞭間䜓ずしお有甚である。 特に、むネ癜葉枯病およびキナりリうどん粉病
に察する蟲園芞甚殺菌剀ずしお有甚である。 この発明においお、匏〔〕で衚わされるアミ
ノマレむミド類ず、匏〔〕で衚わされるむ゜シ
アナヌトずの、第アミンおよびたたは第ア
ンモニりムフロリドの塩基の存圚䞋における反応
は、次匏に瀺されるように、䞭間䜓ずしお匏
〔〕で衚わされるカルバモむルアミノマレむミ
ドの生成を経お進行するず考えられる。 匏〔〕で衚わされるアミノマレむミド類の具
䜓䟋ずしおは、−アミノ−−゚トキシカルボ
ニル−−プニルマレむミド、−アミノ−
−゚トキシカルボニル−−トリルマレむミド、
−アミノ−−クロロプニル−−゚トキシ
カルボニルマレむミド、−アミノ−−ゞクロ
ロプニル−−゚トキシカルボニルマレむミ
ド、−アセチル−−アミノ−−プニルマ
レむミド、−アセチル−−アミノ−−メト
キシプニルマレむミド、−アセチル−−ア
ミノ−−キシリルマレむミド、−アセチル−
−アミノ−−ゞクロロプニルマレむミド、
−アミノ−−ベンゟむル−−プニルマレ
むミド、−アミノ−−ベンゟむル−−トリ
ルマレむミド、−アミノ−−ベンゟむル−
−クロロプニルマレむミド、−アミノ−−
ベンゟむル−−ゞクロロプニルマレむミド、
−アミノ−−シアノ−−プニルマレむミ
ド、−アミノ−−シアノ−−トリルマレむ
ミド、−アミノ−−シアノ−−ゞクロロフ
゚ニルマレむミド、−アミノ−−プニル−
−プロピオニルマレむミド、−アミノ−−
ブチリル−−プニルマレむミド、−アミノ
−−プニル−−バレリルマレむミドなどが
挙げられる。 匏〔〕で衚わされるむ゜シアナヌトの具䜓䟋
ずしおは、メチルむ゜シアナヌト、゚チルむ゜シ
アナヌト、プロピルむ゜シアナヌト、ブチルむ゜
シアナヌト、ベンゞルむ゜シアナヌト、シクロヘ
キシレむ゜シアナヌト、プニルむ゜シアナヌ
ト、トリルむ゜シアナヌト、メトキシプニルむ
゜シアナヌト、クロロプニルむ゜シアナヌト、
ゞクロロプニルむ゜シアナヌトなどが挙げられ
る。 第アミンの具䜓䟋ずしおは、トリメチルアミ
ン、トリ゚チルアミン、トリプロピルアミン、ト
リブチルアミンなどの脂肪族第アミンが挙げら
れる。 第アンモニりムフロリドは、 匏 匏䞭、R4、R5、R6およびR7は、それぞれ炭玠
数〜のアルキル基たたはベンゞル基を瀺す。
で衚わされる化合物であり、その具䜓䟋ずしお
は、ベンゞルトリメチルアンモニりムフロリド、
メチルトリブチルアンモニりムフロリド、テトラ
゚チルアンモニりムフロリド、テトラブチルアン
モニりムフロリド、テトラメチルアンモニりムフ
ロリドなどが挙げられる。 反応は、䞍掻性有機、溶媒、たずえばベンれ
ン、トル゚ン、クロロベンれン、ゞクロロベンれ
ンなどの芳銙族炭化氎玠、塩化メチレン、クロロ
ホルム、四塩化炭玠、塩化゚チレンなどのハロゲ
ン化炭化氎玠の存圚䞋に行なわれる。 反応方法ずしおは、実質的に無氎の条件䞋に、
アミノマレむミド、む゜シアナヌトおよび第ア
ミンおよびたたは第アンモニりムフロリドを
接觊させる任意の方法を採甚するこずができ、こ
れらの添加順序に぀いおは特に制限はない。 む゜シアナヌトの䜿甚量は、アミノマレむミド
類モル圓り、〜モルである。 第アミンおよび第アンモニりムフロリドの
䜿甚量は、アミノマレむミドモル圓り、それぞ
れ〜モル、および0.1〜モルであるこずが
奜たしい。この反応においお、第アミンず第
アンモニりムフロリドは、アミノマレむミドずむ
゜シアナヌトずの反応および生成する䞭間䜓カル
バモむルアミノマレむミドの−眮換アミノマレ
むミドぞの分解反応を促進する。芳銙族む゜シア
ナヌトを䜿甚する堎合、通垞第アミンず第ア
ンモニりムフロリドは、それぞれ単独で䜿甚する
が、反応性の䜎い脂肪族系のむ゜シアナヌトを䜿
甚する堎合、反応をさらに速くするために、第
アミンず第アンモニりムフロリドを組み合わせ
お䜿甚するこずが奜たしい。 反応は、䞀般に、20〜150℃の範囲の枩床で、
〜50時間行なわれる。 目的生成物である匏〔〕で衚わされる−眮
換アミノマレむミド類は結晶であるので、溶解床
の差を利甚するこずによ぀お、反応生成混合物か
ら単離するこずができる。 この発明の匏〔〕で衚わされるカルバモむル
アミノマレむミド類の具䜓䟋ずしおは、−アニ
リノ−−゚トキシカルボニル−−プニルマ
レむミド、−クロロアニリノ−−゚トキシカ
ルボニル−−プニルマレむミド、−シクロ
ヘキシルアミノ−−゚トキシカルボニル−−
プニルマレむミド、−シクロヘキシルアミノ
−−゚トキシカルボニル−−ゞクロロプニ
ルマレむミド、−゚トキシカルボニル−−メ
トキシアニリノ−−トリルマレむミド、−ベ
ンゞルアミノ−−゚トキシカルボニル−−ト
リルマレむミド、−クロロプニル−−゚ト
キシカルボニル−−トルむゞノマレむミド、
−アニリノ−−ゞクロロプニル−−゚ト
キシカルボニルマレむミド、−ゞクロロプ
ニル−−゚トキシカルボニル−−トリフル
オロメチルアニリノマレむミド、−アニリノ
−−ベンゟむル−−プニルマレむミド、
−ベンゟむル−−クロロプニル−−トルむ
ゞノマレむミド、−アニリノ−−ベンゟむル
−−ゞクロロプニルマレむミド、−ベンゟ
むル−−ゞクロロプニル−−゚チルアミノ
マレむミド、−アセチル−−アニリノ−−
プニルマレむミド、−アセチル−−プニ
ル−−トルむゞノマレむミド、−アセチル−
−む゜プロピルアミノ−−メトキシプニル
マレむミド、−アセチル−−ゞクロロアニリ
ノ−−キシリルマレむミド、−アセチル−
−ブチルアミノ−−ゞクロロプニルマレむミ
ド、−クロロアニリノ−−シアノ−−プ
ニルマレむミド、−アニリノ−−シアノ−
−トリルマレむミド、−シアノ−−ゞクロロ
プニル−−メチルアミノマレむミド、−ア
ニリノ−−プニル−−プロピオニルマレむ
ミド、−アニリノ−−ブチリル−−プニ
ルマレむミド、−アニリノ−−プニル−
−バレリルアレむミドなどが挙げられる。 ぀ぎに実斜䟋を瀺す。実斜䟋においお、−眮
換アミノマレむミドの収率は、䜿甚したアミノマ
レむミド基準の収率である。 実斜䟋  テトラ゚チルアンモニりムフロリドミリモル
を含む塩化゚チレン25mlに、宀枩で−アミノ−
−゚トキシカルボニル−−プニルマレむミ
ド1.30を加え、぀いでプニルむ゜シアナヌト
1.19を含む塩化゚チレンmlを滎䞋しお加え
た。混合物を加熱しお、還流䞋に時間反応させ
た。 反応埌、埗られた反応混合物を過しお、シア
ヌル酞の結晶0.15を埗た。液を枛圧䞋に濃瞮
し、残枣に゚タノヌルmlを加えお過し、−
アニリノ−−゚トキシカルボニル−−プニ
ルマレむミドの結晶1.4787を埗た。これ
を゚タノヌルで再結晶しお、融点182〜184℃の黄
色針状結晶を埗た。その元玠分析倀を぀ぎに瀺
す。    分析倀 67.84 4.86 8.30 蚈算倀 67.85 4.79 8.33 C19B16N2O4ずしお 実斜䟋  トリ゚チルアミン0.51ず−アミノ−−゚
トキシカルボニル−−プニルマレむミド1.30
を含む塩化゚チレン25mlに、宀枩でプニルむ
゜シアナヌト1.19を含む塩化゚レンmlを滎䞋
しお加えるず、混合物の枩床は24℃から28℃たで
䞊昇し、混合物は黄耐色溶液ずな぀た。混合物を
宀枩で撹拌しながら、日間反応させた。 反応埌、埗られた反応混合物を過しお、シア
ヌル酞の結晶0.05を埗た。液を枛圧䞋に濃瞮
し、残枣に゚タノヌルmlを加えお過し、−
アニリノ−−゚トキシカルボニル−−プニ
ルマレむミドの結晶1.3278を埗た。 実斜䟋  テトラ゚チルアンモニりムフロリドミリモル
ずトリ゚チルアミン0.51を含む塩化゚チレン45
mlに、宀枩で−アミノ−−゚トキシカルボニ
ル−−−トリルマレむミド1.37を加え、
぀いでベンゞルむ゜シアナヌト1.32を合む塩化
゚チレン10mlを滎䞋しお加えた。混合物を宀枩で
撹拌しながら、時間反応させた。 反応埌、埗られた反応生成混合物を枛圧䞋に濃
瞮した。残枣に氎30mlを加え、ベンれン50mlで
回ず20mlで回抜出した。抜出液を䞀緒にしお、
無氎硫酞ナトリりムで也燥したのち、枛圧䞋に濃
瞮した。残枣に゚タノヌル10mlを加えお過し、
−ベンゞルアミノ−−゚トキシカルボニル−
−−トリルマレむミドの結晶1.2770
を埗た。これをむ゜プロピルアルコヌルで再
結晶しお、融点153〜154℃の黄色プリズム状結晶
を埗た。その元玠分析倀を぀ぎに瀺す。    分析倀 68.85 5.56 7.79 蚈算倀 69.22 5.53 7.69 C21H20N2O4ずしお 実斜䟋  テトラ゚チルアンモニりムフロリド5.3ミリモ
ルずトリ゚チルアミン0.51を含む塩化゚チレン
30mlに、宀枩で−アミノ−−−ゞク
ロロプニル−−゚トキシカルボニルマレむ
ミド1.65を加え、぀いでシクロヘキシルむ゜シ
アナヌト1.25を含む塩化゚チレン50mlを滎䞋し
お加えた。混合物を加熱しお、還流䞋に時間反
応させた。 反応埌、埗られた反応生成混合物を枛圧䞋に濃
瞮した。残枣にベンれン50mlず氎30mlを加え、有
機局ず氎局に分液した。有機局を無氎硫酞ナトリ
りムで也燥したのち、枛圧䞋に濃瞮した。残枣に
゚タノヌル10mlを加えお過し、−シクロヘキ
シルアミノ−−−ゞクロロプニル−
−゚トキシカルボニルマレむミドの結晶
1.3264を埗た。これを゚タノヌルで再結
晶しお、分解点314℃の黄色針状結晶を埗た。そ
の元玠分析倀を぀ぎに瀺す。    Cl 分析倀 55.61 4.76 6.62 16.92 蚈算倀 55.49 4.90 6.81 17.24 C19H20Cl2N2O4ずしお 実斜䟋  トリ゚チルアミン0.51を含む塩化゚チレン25
mlに、宀枩で−アミノ−−ベンゟむル−−
プニルマレむミド1.46を加え、぀いでプニ
ルむ゜シアナヌト1.19を含む塩化゚チレン25ml
を滎䞋しお加えた。混合物を宀枩で撹拌しなが
ら、時間反応させた。 反応埌、埗られた反応生成混合物を過しお、
シアヌル酞の結晶0.04を埗た。液を枛圧䞋に
濃瞮し、残枣に゚タノヌル10mlを加えお過し、
−アニリノ−−ベンゟむル−−プニルマ
レむミドの結晶1.3875を埗た。これを゚
タノヌルで再結晶しお、融点221〜222℃の黄色針
状結晶を埗た。その元玠分析倀を぀ぎに瀺す。    分析倀 75.21 4.51 7.53 蚈算倀 74.99 4.38 7.60 C23H16N2O3ずしお 実斜䟋  テトラ゚チルアンモニりムフロリドミリモル
ずトリ゚チルアミン0.51を含む塩化゚チレン30
mlに、宀枩で−アミノ−−ベンゟむル−−
−ゞクロロプニルマレむミド1.81
を加え、぀いで゚チルむ゜シアナヌト0.79を含
む塩化゚チレン10mlを滎䞋しお加えた。混合物を
加熱しお、還流䞋に時間反応させた。 反応埌、埗られた反応生成混合物を枛圧䞋に濃
瞮した。残枣にベンれン20mlを加えお過し、
液をシリカゲルワコヌゲル−200、100を
詰めたカラム盎埄25mmに通し、ベンれンず酢
酞゚チルの容量比の混合溶媒で溶離した。
溶媒150mlで溶出したのち、溶媒400mlで溶出しお
埗た溶液を枛圧䞋に濃瞮しお、−ベンゟむル−
−−ゞクロロプニル−−゚チルア
ミノマレむミドの結晶0.4423を埗た。こ
れを゚タノヌルで再結晶しお、融点214℃の黄色
針状結晶を埗た。その元玠分析倀を぀ぎに瀺す。    分析倀 58.39 3.63 6.83 蚈算倀 58.63 3.63 7.20 C19H14Cl2N2O3ずしお 実斜䟋  トリ゚チルアミン0.51を含む塩化゚チレン25
mlに、宀枩で−アセチル−−アミノ−−フ
゚ニルマレむミド1.15を加え、぀いでプニル
む゜シアナヌト1.19を含む塩化゚チレンmlを
滎䞋しお加えた。混合物を宀枩で撹拌しながら、
時間反応させた。 反応埌、埗られた反応生成混合物を枛圧䞋に濃
瞮し、黒茶色の結晶2.50を埗た。これに゚タノ
ヌル10mlを加えお過し、−アセチル−−ア
ニリノ−−プニルマレむミドの結晶0.95
62を埗た。これを゚タノヌルで再結晶しお、
融点201〜202℃の橙色花匁状結晶を埗た。その元
玠分析倀を぀ぎに瀺す。    分析倀 70.63 4.68 9.15 蚈算倀 70.58 4.61 9.15 C18H14N2O3ずしお 実斜䟋  トリ゚チルアミン0.51を含む塩化゚チレン25
mlに、宀枩で−アセチル−−アミノ−−フ
゚ニルマレむミド1.15を加え、぀いで−トリ
ルむ゜シアナヌト1.33を塩化゚チレンmlに溶
解しお埗た溶液を滎䞋しお加えた。混合物を宀枩
で撹拌しながら、17時間反応させた。 反応埌、埗られた反応生成混合物を枛圧䞋に濃
瞮した。残枣に゚タノヌルmlを加えお過し、
−アセチル−−プニル−−−トルむ
ゞノマレむミドの結晶0.4126を埗た。
これを゚タノヌルで再結晶しお、融点194〜195℃
の結晶を埗た。その元玠分析倀を぀ぎに瀺す。    分析倀 71.42 5.12 8.73 蚈算倀 71.24 5.03 8.74 C19H16N2O3ずしお 実斜䟋  テトラ゚チルアンモニりムフロリド1.7ミリモ
ルずトリ゚チルアミン0.51を含む塩化゚チレン
30mlに、宀枩で−アセチル−−アミノ−−
−メトキシプニルマレむミド13を加え、
぀いでむ゜プロピルむ゜シアナヌト0.85を含む
塩化゚チレン20mlを滎䞋しお加えた。混合物を加
熱しお、還流䞋に時間反応させた。 反応埌、埗られた反応生成混合物を枛圧䞋に濃
瞮した。残枣にベンれン50ml、氎30mlず掻性炭
を加えお過し、液を有機局ず氎局に分液し
た。有機局を無氎硫酞ナトリりムで也燥したの
ち、枛圧䞋に濃瞮した。残枣を、シリカゲルワ
コヌゲル−200、100を詰めたカラム盎埄
25mmに通し、ベンれンず酢酞゚チルの容量比
の混合溶媒で溶出した。溶媒400mlで溶出
したのち、溶媒500mlで溶出しお埗た溶液を、枛
圧䞋に濃瞮しお、−アセチル−−む゜プロピ
ルアミノ−−−メトキシプニルマレむ
ミドの結晶0.3523を埗た。これを゚タノ
ヌル20mlで再結晶しお、融点135〜135.5℃の黄色
花匁状結晶を埗た。その元玠分析倀を぀ぎに瀺
す。    分析倀 63.48 6.01 8.89 蚈算倀 63.57 6.00 9.27 C16H18N2O4ずしお 実斜䟋 10 トリ゚チルアミン0.51を含む塩化゚チレン50
mlに、宀枩で−アセチル−−アミノ−−
−キシリルマレむミド1.29を加え、
぀いで−ゞクロロプニルむ゜シアナヌト
1.88を加えた。混合物を宀枩で撹拌しながら、
時間反応させた。 反応埌、埗られた反応混合物を過し、液を
枛圧䞋に濃瞮し、残枣に塩化゚チレン30mlを加え
お過し、−アセチル−−−ゞクロ
ロアニリノ−−−キシリルマレむミ
ドの結晶0.7236を埗た。これを゚タノヌ
ルで再結晶しお、融点218〜219℃の黄色針状結晶
を埗た。その元玠分析倀を぀ぎに瀺す。    分析倀 59.58 3.95 6.75 蚈算倀 59.57 4.00 6.95 C20H16Cl2N2O3ずしお 実斜䟋 11 トリ゚チルアミン0.51を含む塩化゚チレン30
mlに、宀枩で−アミノ−−シアノ−−プ
ニルマレむミド1.06を加え、぀いで−クロロ
プニルむ゜シアナヌト1.54を含む塩化゚チレ
ン20mlを滎䞋しお加えた。混合物を宀枩で撹拌し
ながら、20時間反応させた。 反応埌、埗られた反応生成混合物を過した。
液を枛圧䞋に濃瞮し、残枣にベンれン20mlを加
えお過し、−−クロロアニリノ−−シ
アノ−−プニルマレむミドの結晶1.4389
を埗た。これをアセトニトリルで再結晶し
お、融点280〜282℃の黄色針状結晶を埗た。その
元玠分析倀を぀ぎに瀺す。    分析倀 63.17 3.08 12.49 蚈算倀 63.07 3.11 12.98 C17H10ClN3O2ずしお 参考䟋  むネ癜葉枯病に察する防陀詊隓氎面斜薬 (1) 詊隓甚氎和剀の調敎。 䟛絊薬剀20郚、デモヌル郚、ホワむトカヌ
ボン20郚、タルク59郚を混合粉砕しお氎和剀
100郚を埗た。 (2) 防埐詊隓。 氎皲籟品皮日本晎を盎埄cmの合成暹
脂補の栜培甚鉢に各粒づ぀播皮埌、ガラス枩
宀内で育成し、5.5〜6.6葉期のむネを䟛詊し
た。䞊蚘の方法で調敎した氎和剀を氎でうすめ
お䟛詊薬剀の濃床を500ppmずしたものをml
氎面斜薬した。斜薬埌日間ガラス枩宀に攟眮
し、地䞋郚より薬剀を十分に吞収させた埌、接
皮した。接皮原はむネ癜葉枯病菌
Xanthomonas oryzeaeを28℃、48時間諏
蚪液䜓培地で振盪培逊した埌、ml圓たり
107〜8個の菌数になるように調敎し、接皮は䞊
䜍葉の葉身ぞ䞻脈をさけお、針接皮法によ
぀お行぀た。接皮埌は、ガラス枩宀内で管理
し、接皮週間埌䞋蚘評䟡基準におけるむネ癜
葉枯病の各発病床のむネ苗数n1〜n7を調査
した。各区の䟛詊怍物数はそれぞれ30本づ぀ず
した。 発病床の評䟡基準 党く発病を認めないものむネ苗数n1 ごく埮现に発病を認めるものむネ苗数
n2 cm以䞋の病班を認めるものむネ苗数
n3 cm以䞋の病班を認めるものむネ苗数
n4 cm以䞋の病班を認めるものむネ苗数
n5 10cm以䞋の病班を認めるものむネ苗数
n6 10cm以䞊の病班を認めるものむネ苗数
n7 ぀ぎに、この調査をもずに、次匏によ぀お䟛詊
剀の防埐率を算出した。 防埐率100 −凊理区×n1×n2×n3×n4×n5
×n6×n7無凊理区×n1×n2×
n3×n4×n5×n6×n7 結果を第衚に瀺す。
[Formula] (R 3 represents an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom, and n is 0, 1,
2 or 3. ), X 1
represents an alkoxycarbonyl group having 2 to 5 carbon atoms, a fatty acid acyl group having 2 to 5 carbon atoms, a benzoyl group, or a cyano group. ], and N-substituted aminomaleimides of the formula (In the formula, R 1 , m and X 1 each have the same meaning as above.) Aminomaleimide represented by the formula R 2 −N=C=O [ ] An N-substituted aminomaleimide represented by the formula [], characterized in that an isocyanate represented by the formula (having the same meaning as above) is reacted in the presence of a tertiary amine and a mono- or quaternary ammonium fluoride. This is a similar manufacturing method. N-substituted aminomaleimides represented by the formula [] are new compounds and are useful as medicines, agricultural chemicals, and intermediates thereof. It is particularly useful as an agricultural and horticultural fungicide against rice blight and cucumber powdery mildew. In this invention, the reaction of aminomaleimide represented by formula [] with isocyanate represented by formula [] in the presence of a tertiary amine and/or quaternary ammonium fluoride base is shown by the following formula. It is thought that the process proceeds through the formation of carbamoylaminomaleimide represented by the formula [] as an intermediate. Specific examples of aminomaleimides represented by the formula [] include 3-amino-4-ethoxycarbonyl-1-phenylmaleimide, 3-amino-4
-ethoxycarbonyl-1-tolylmaleimide,
3-amino-1-chlorophenyl-4-ethoxycarbonylmaleimide, 3-amino-1-dichlorophenyl-4-ethoxycarbonylmaleimide, 3-acetyl-4-amino-1-phenylmaleimide, 3-acetyl-4- Amino-1-methoxyphenylmaleimide, 3-acetyl-4-amino-1-xylylmaleimide, 3-acetyl-
4-amino-1-dichlorophenylmaleimide,
3-amino-4-benzoyl-1-phenylmaleimide, 3-amino-4-benzoyl-1-tolylmaleimide, 3-amino-4-benzoyl-1
-chlorophenylmaleimide, 3-amino-4-
benzoyl-1-dichlorophenylmaleimide,
3-amino-4-cyano-1-phenylmaleimide, 3-amino-4-cyano-1-tolylmaleimide, 3-amino-4-cyano-1-dichlorophenylmaleimide, 3-amino-1-phenyl-
4-propionylmaleimide, 3-amino-4-
Examples include butyryl-1-phenylmaleimide, 3-amino-1-phenyl-4-valerylmaleimide, and the like. Specific examples of the isocyanate represented by the formula [] include methyl isocyanate, ethyl isocyanate, propyl isocyanate, butyl isocyanate, benzyl isocyanate, cyclohexylyisocyanate, phenyl isocyanate, tolyl isocyanate, and methoxyl isocyanate. enyl isocyanate, chlorophenyl isocyanate,
Examples include dichlorophenyl isocyanate. Specific examples of the tertiary amine include aliphatic tertiary amines such as trimethylamine, triethylamine, tripropylamine, and tributylamine. Quaternary ammonium fluoride has the formula (In the formula, R 4 , R 5 , R 6 and R 7 each represent an alkyl group or a benzyl group having 1 to 4 carbon atoms.)
It is a compound represented by, and specific examples thereof include benzyltrimethylammonium fluoride,
Examples include methyltributylammonium fluoride, tetraethylammonium fluoride, tetrabutylammonium fluoride, and tetramethylammonium fluoride. The reaction is carried out in the presence of an inert organic solvent, such as an aromatic hydrocarbon such as benzene, toluene, chlorobenzene, dichlorobenzene, or a halogenated hydrocarbon such as methylene chloride, chloroform, carbon tetrachloride, ethylene chloride. As a reaction method, under substantially anhydrous conditions,
Any method for contacting the aminomaleimide, isocyanate, and tertiary amine and/or quaternary ammonium fluoride can be employed, and there are no particular restrictions on the order of their addition. The amount of isocyanate used is 1 to 2 moles per mole of aminomaleimides. The amounts of tertiary amine and quaternary ammonium fluoride used are preferably 1 to 3 mol and 0.1 to 1 mol, respectively, per 1 mol of aminomaleimide. In this reaction, a tertiary amine and a quaternary amine
Ammonium fluoride promotes the reaction between aminomaleimide and isocyanate and the decomposition reaction of the resulting intermediate carbamoylaminomaleimide to N-substituted aminomaleimide. When aromatic isocyanates are used, tertiary amine and quaternary ammonium fluoride are usually used alone, but when using aliphatic isocyanates with low reactivity, they are used to speed up the reaction. , 3rd
Preferably, a combination of amine and quaternary ammonium fluoride is used. The reaction is generally carried out at a temperature ranging from 20 to 150°C.
It lasts from 1 to 50 hours. Since the target product, the N-substituted aminomaleimide represented by the formula [], is a crystal, it can be isolated from the reaction product mixture by utilizing the difference in solubility. Specific examples of carbamoylaminomaleimides represented by the formula [] of this invention include 3-anilino-4-ethoxycarbonyl-1-phenylmaleimide, 3-chloroanilino-4-ethoxycarbonyl-1-phenylmaleimide, 3-chloroanilino-4-ethoxycarbonyl-1-phenylmaleimide, -cyclohexylamino-4-ethoxycarbonyl-1-
Phenylmaleimide, 3-cyclohexylamino-4-ethoxycarbonyl-1-dichlorophenylmaleimide, 3-ethoxycarbonyl-4-methoxyanilino-1-tolylmaleimide, 3-benzylamino-4-ethoxycarbonyl-1-tolyl Maleimide, 1-chlorophenyl-3-ethoxycarbonyl-4-toluidinomaleimide, 3
-anilino-1-dichlorophenyl-4-(ethoxycarbonyl)maleimide, 1-dichlorophenyl-3-ethoxycarbonyl-4-(trifluoromethyl)anilinomaleimide, 3-anilino-4-benzoyl-1-phenyl enylmaleimide, 3
-Benzoyl-1-chlorophenyl-4-toluidinomaleimide, 3-anilino-4-benzoyl-1-dichlorophenylmaleimide, 3-benzoyl-1-dichlorophenyl-4-ethylaminomaleimide, 3-acetyl-4 -Anilino-1-
Phenylmaleimide, 3-acetyl-1-phenyl-4-toluidinomaleimide, 3-acetyl-
4-isopropylamino-1-methoxyphenylmaleimide, 3-acetyl-4-dichloroanilino-1-xylylmaleimide, 3-acetyl-4
-Butylamino-1-dichlorophenylmaleimide, 3-chloroanilino-4-cyano-1-phenylmaleimide, 3-anilino-4-cyano-1
-Tolylmaleimide, 3-cyano-1-dichlorophenyl-4-methylaminomaleimide, 3-anilino-1-phenyl-4-propionylmaleimide, 3-anilino-4-butyryl-1-phenylmaleimide, 3-anilino -1-phenyl-4
-valeryl aleimide and the like. Next, examples will be shown. In the examples, the yield of N-substituted aminomaleimide is the yield based on the aminomaleimide used. Example 1 3-Amino-
Add 1.30 g of 4-ethoxycarbonyl-1-phenylmaleimide, then add phenyl isocyanate.
5 ml of ethylene chloride containing 1.19 g was added dropwise. The mixture was heated and reacted under reflux for 2 hours. After the reaction, the resulting reaction mixture was filtered to obtain 0.15 g of cyanuric acid crystals. The liquid was concentrated under reduced pressure, 5 ml of ethanol was added to the residue, filtered, and 3-
1.47 g (87%) of crystals of anilino-4-ethoxycarbonyl-1-phenylmaleimide were obtained. This was recrystallized from ethanol to obtain yellow needle crystals with a melting point of 182-184°C. The elemental analysis values are shown below. C H N Analytical value 67.84 4.86 8.30 Calculated value 67.85 4.79 8.33 (as C 19 B 16 N 2 O 4 ) Example 2 0.51 g of triethylamine and 1.30 g of 3-amino-4-ethoxycarbonyl-1-phenylmaleimide
When 5 ml of ethylene chloride containing 1.19 g of phenyl isocyanate was added dropwise at room temperature to 25 ml of ethylene chloride containing g, the temperature of the mixture rose from 24°C to 28°C and the mixture became a yellow-brown solution. The mixture was allowed to react for 1 day with stirring at room temperature. After the reaction, the resulting reaction mixture was filtered to obtain 0.05 g of cyanuric acid crystals. The liquid was concentrated under reduced pressure, 5 ml of ethanol was added to the residue, filtered, and 3-
1.32 g (78%) of crystals of anilino-4-ethoxycarbonyl-1-phenylmaleimide were obtained. Example 3 Ethylene chloride 45 containing 5 mmol of tetraethylammonium fluoride and 0.51 g of triethylamine
ml, add 1.37 g of 3-amino-4-ethoxycarbonyl-1-(p-tolyl)maleimide at room temperature,
Then, 10 ml of ethylene chloride containing 1.32 g of benzyl isocyanate was added dropwise. The mixture was allowed to react for 5 hours with stirring at room temperature. After the reaction, the resulting reaction product mixture was concentrated under reduced pressure. Add 30ml of water to the residue and dilute with 50ml of benzene.
Extracted once and twice with 20 ml. Combine the extracts and
After drying over anhydrous sodium sulfate, it was concentrated under reduced pressure. Add 10 ml of ethanol to the residue and filter.
3-Benzylamino-4-ethoxycarbonyl-
1.27g crystals of 1-(p-tolyl)maleimide (70
%) was obtained. This was recrystallized from isopropyl alcohol to obtain yellow prismatic crystals with a melting point of 153-154°C. The elemental analysis values are shown below. C H N Analyzed value 68.85 5.56 7.79 Calculated value 69.22 5.53 7.69 (as C 21 H 20 N 2 O 4 ) Example 4 Ethylene chloride containing 5.3 mmol of tetraethylammonium fluoride and 0.51 g of triethylamine
To 30 ml was added 1.65 g of 3-amino-1-(2,4-dichlorophenyl)-4-ethoxycarbonylmaleimide at room temperature, followed by dropwise addition of 50 ml of ethylene chloride containing 1.25 g of cyclohexyl isocyanate. The mixture was heated and reacted under reflux for 2 hours. After the reaction, the resulting reaction product mixture was concentrated under reduced pressure. 50 ml of benzene and 30 ml of water were added to the residue, and the layers were separated into an organic layer and an aqueous layer. The organic layer was dried over anhydrous sodium sulfate and then concentrated under reduced pressure. Add 10 ml of ethanol to the residue and filter it to give 3-cyclohexylamino-1-(2,4-dichlorophenyl)-
Crystals of 4-(ethoxycarbonyl)maleimide
1.32g (64%) was obtained. This was recrystallized with ethanol to obtain yellow needle crystals with a decomposition point of 314°C. The elemental analysis values are shown below. C H N Cl Analytical value 55.61 4.76 6.62 16.92 Calculated value 55.49 4.90 6.81 17.24 (as C 19 H 20 Cl 2 N 2 O 4 ) Example 5 Ethylene chloride 25 containing 0.51 g of triethylamine
ml of 3-amino-4-benzoyl-1- at room temperature.
Add 1.46 g of phenylmaleimide, then 25 ml of ethylene chloride containing 1.19 g of phenyl isocyanate.
was added dropwise. The mixture was allowed to react for 2 hours with stirring at room temperature. After the reaction, the resulting reaction product mixture is filtered,
0.04 g of cyanuric acid crystals were obtained. Concentrate the liquid under reduced pressure, add 10 ml of ethanol to the residue, filter it,
1.38 g (75%) of crystals of 3-anilino-4-benzoyl-1-phenylmaleimide were obtained. This was recrystallized from ethanol to obtain yellow needle crystals with a melting point of 221-222°C. The elemental analysis values are shown below. C H N Analyzed value 75.21 4.51 7.53 Calculated value 74.99 4.38 7.60 (as C 23 H 16 N 2 O 3 ) Example 6 Ethylene chloride 30 containing 5 mmol of tetraethylammonium fluoride and 0.51 g of triethylamine
ml of 3-amino-4-benzoyl-1- at room temperature.
(3,5-dichlorophenyl)maleimide 1.81g
was then added dropwise to 10 ml of ethylene chloride containing 0.79 g of ethyl isocyanate. The mixture was heated and reacted under reflux for 1 hour. After the reaction, the resulting reaction product mixture was concentrated under reduced pressure. Add 20ml of benzene to the residue and filter.
The liquid was passed through a column (diameter 25 mm) packed with silica gel (Wako Gel C-200, 100 g) and eluted with a mixed solvent of benzene and ethyl acetate in a volume ratio of 9:1.
After elution with 150 ml of solvent, the solution obtained by elution with 400 ml of solvent was concentrated under reduced pressure to obtain 3-benzoyl-
0.44 g (23%) of crystals of 1-(3,5-dichlorophenyl)-4-ethylaminomaleimide was obtained. This was recrystallized from ethanol to obtain yellow needle crystals with a melting point of 214°C. The elemental analysis values are shown below. C H N Analytical value 58.39 3.63 6.83 Calculated value 58.63 3.63 7.20 (as C 19 H 14 Cl 2 N 2 O 3 ) Example 7 Ethylene chloride 25 containing 0.51 g of triethylamine
ml at room temperature, and then 5 ml of ethylene chloride containing 1.19 g of phenyl isocyanate were added dropwise. While stirring the mixture at room temperature,
The reaction was allowed to proceed for 1 hour. After the reaction, the resulting reaction product mixture was concentrated under reduced pressure to obtain 2.50 g of black-brown crystals. Add 10 ml of ethanol to this, filter it, and crystallize 0.95 g of 3-acetyl-4-anilino-1-phenylmaleimide.
(62%). This was recrystallized with ethanol,
Orange petal-shaped crystals with a melting point of 201-202°C were obtained. The elemental analysis values are shown below. C H N Analytical value 70.63 4.68 9.15 Calculated value 70.58 4.61 9.15 (as C 18 H 14 N 2 O 3 ) Example 8 Ethylene chloride 25 containing 0.51 g of triethylamine
1.15 g of 3-acetyl-4-amino-1-phenylmaleimide was added to the solution at room temperature, and then a solution obtained by dissolving 1.33 g of p-tolylisocyanate in 5 ml of ethylene chloride was added dropwise. The mixture was allowed to react for 17 hours with stirring at room temperature. After the reaction, the resulting reaction product mixture was concentrated under reduced pressure. Add 5 ml of ethanol to the residue and filter it.
0.41 g (26%) of crystals of 3-acetyl-1-phenyl-4-(p-toluidino)maleimide was obtained.
This is recrystallized from ethanol and has a melting point of 194-195℃.
crystals were obtained. The elemental analysis values are shown below. C H N Analyzed value 71.42 5.12 8.73 Calculated value 71.24 5.03 8.74 (as C 19 H 16 N 2 O 3 ) Example 9 Ethylene chloride containing 1.7 mmol of tetraethylammonium fluoride and 0.51 g of triethylamine
Add 3-acetyl-4-amino-1- to 30 ml at room temperature.
Add 13g of (p-methoxyphenyl)maleimide,
Then 20 ml of ethylene chloride containing 0.85 g of isopropyl isocyanate was added dropwise. The mixture was heated and reacted under reflux for 2 hours. After the reaction, the resulting reaction product mixture was concentrated under reduced pressure. 50 ml of benzene, 30 ml of water and 1 activated carbon in the residue
g was added and filtered, and the liquid was separated into an organic layer and an aqueous layer. The organic layer was dried over anhydrous sodium sulfate and then concentrated under reduced pressure. The residue was transferred to a column (diameter
25 mm) and eluted with a mixed solvent of benzene and ethyl acetate in a volume ratio of 9:1. After elution with 400 ml of solvent, the solution obtained by elution with 500 ml of solvent was concentrated under reduced pressure to obtain 0.35 g (23 %) was obtained. This was recrystallized with 20 ml of ethanol to obtain yellow petal-shaped crystals with a melting point of 135-135.5°C. The elemental analysis values are shown below. C H N Analyzed value 63.48 6.01 8.89 Calculated value 63.57 6.00 9.27 (as C 16 H 18 N 2 O 4 ) Example 10 Ethylene chloride 50 containing 0.51 g of triethylamine
ml of 3-acetyl-4-amino-1- at room temperature.
Add 1.29 g of (2,5-xylyl)maleimide,
Then 3,5-dichlorophenyl isocyanate
Added 1.88g. While stirring the mixture at room temperature,
The reaction was allowed to proceed for 2 hours. After the reaction, the resulting reaction mixture was filtered, the liquid was concentrated under reduced pressure, and the residue was filtered by adding 30 ml of ethylene chloride to give 3-acetyl-4-(3,5-dichloroanilino)-1-( 0.72 g (36%) of crystals of 2,5-xylyl)maleimide were obtained. This was recrystallized from ethanol to obtain yellow needle crystals with a melting point of 218-219°C. The elemental analysis values are shown below. C H N Analytical value 59.58 3.95 6.75 Calculated value 59.57 4.00 6.95 (as C 20 H 16 Cl 2 N 2 O 3 ) Example 11 Ethylene chloride 30 containing 0.51 g of triethylamine
1.06 g of 3-amino-4-cyano-1-phenylmaleimide was added at room temperature, followed by dropwise addition of 20 ml of ethylene chloride containing 1.54 g of p-chlorophenyl isocyanate. The mixture was allowed to react for 20 hours with stirring at room temperature. After the reaction, the resulting reaction product mixture was filtered.
The liquid was concentrated under reduced pressure, and 20 ml of benzene was added to the residue and filtered to give 1.43 g (89
%) was obtained. This was recrystallized from acetonitrile to obtain yellow needle crystals with a melting point of 280-282°C. The elemental analysis values are shown below. C H N Analytical value 63.17 3.08 12.49 Calculated value 63.07 3.11 12.98 (as C 17 H 10 ClN 3 O 2 ) Reference example 1 Control test against rice leaf blight (water surface application) (1) Preparation of wettable powder for test. A wettable powder is made by mixing and pulverizing 20 parts of the supply agent, 1 part of Demol, 20 parts of white carbon, and 59 parts of talc.
Got 100 copies. (2) Prevention test. Paddy rice (variety: Nipponbare) was sown at 5 grains each in synthetic resin cultivation pots with a diameter of 6 cm, and then grown in a glass greenhouse, and the rice at the 5.5 to 6.6 leaf stage was used for testing. 3 ml of the hydrating agent prepared in the above method was diluted with water to make the concentration of the test drug 500 ppm.
Water surface treatment was applied. After application, the plants were left in a glass greenhouse for two days to allow the chemicals to be fully absorbed from underground, and then inoculated. The inoculum was prepared by culturing Xanthomonas oryzeae at 28℃ for 48 hours with shaking in Suwa liquid medium, then
The number of bacteria was adjusted to 10 7 to 8, and inoculation was performed by two-needle inoculation onto the leaf blades of the upper two leaves, avoiding the main vein. After inoculation, the plants were kept in a glass greenhouse, and two weeks after inoculation, the number of rice seedlings (n 1 to n 7 ) with each severity of rice leaf blight was investigated according to the following evaluation criteria. The number of test plants in each area was 30. Evaluation criteria for severity of disease 0: No disease observed at all (number of rice seedlings; n 1 ) 1: Very slight disease onset (number of rice seedlings;
n 2 ) 2; Those with diseased spots of 1 cm or less (number of rice seedlings;
n 3 ) 3; Those with diseased spots of 2 cm or less (number of rice seedlings;
n 4 ) 4; Those with diseased spots of 5 cm or less (number of rice seedlings;
n 5 ) 5; Those with diseased spots of 10 cm or less (number of rice seedlings;
n 6 ) 6; Those with diseased spots of 10 cm or more (number of rice seedlings;
n7 ) Next, based on this investigation, the prevention rate of the test agent was calculated using the following formula. Prevention rate (%) / 100 = 1 - treatment area (0 x n 1 + 1 x n 2 + 2 x n 3 + 3 x n 4 + 4 x n 5
+5×n 6 +6×n 7 )/untreated area (0×n 1 +1×n 2 +2×
n 3 +3×n 4 +4×n 5 +5×n 6 +6×n 7 ) The results are shown in Table 1.

【衚】【table】

Claims (1)

【特蚱請求の範囲】  匏 〔匏䞭、R1は炭玠数〜のアルキル基、炭玠
数〜のアルコキシ基、たたはハロゲン原子を
瀺し、は、、たたはであり、R2は炭
玠数〜のアルキル基、ベンゞル基、シクロヘ
キシル基、たたは【匏】R3は炭玠 数〜のアルキル基、炭玠数〜のアルコキ
シ基、たたはハロゲン原子を瀺し、は、、
たたはである。で衚わされる基を瀺し、X1
は炭玠数〜のアルコキシカルボニル基、炭玠
数〜の脂肪族アシル基、ベンゟむル基、たた
はシアノ基を瀺す。〕で衚わされる−眮換アミ
ノマレむミド類。  匏 匏䞭、R1は炭玠数〜のアルキル基、炭玠
数〜のアルコキシ基、たたはハロゲン原子を
瀺し、は、、たたはである。で衚わ
されるアミノマレむミド類ず、 匏 R2− 〔〕 〔匏䞭、R2は炭玠数〜のアルキル基、ベン
ゞル基、シクロヘキシル基、たたは
【匏】R3は炭玠数〜のアルキ ル基、炭玠数〜のアルコキシ基、たたはハロ
ゲン原子を瀺し、は、、たたはであ
る。で衚わされる基を瀺す。〕で衚わされるむ゜
シアナヌトずを、第アミンおよびたたは第
アンモニりムフロリドの存圚䞋に反応させるこず
を特城ずする 匏 匏䞭、R1、R2、X1およびは、それぞれ、前
蚘ず同䞀の意味を有する。で衚わされる−眮
換アミノマレむミド類の補法。
[Claims] 1 formula [In the formula, R 1 represents an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom, m is 0, 1, 2, or 3, and R 2 represents an alkyl group having 1 to 4 carbon atoms, or a halogen atom; 4 alkyl group, benzyl group, cyclohexyl group, or [Formula] (R 3 represents an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom, and n is 0, 1,
2 or 3. ), X 1
represents an alkoxycarbonyl group having 2 to 5 carbon atoms, an aliphatic acyl group having 2 to 5 carbon atoms, a benzoyl group, or a cyano group. ] N-substituted aminomaleimides. 2 formulas Aminomaleimides represented by and the formula R 2 -N=C=O [] [wherein R 2 is an alkyl group having 1 to 4 carbon atoms, a benzyl group, a cyclohexyl group, or [Formula] (R 3 is an alkyl group having 1 to 4 carbon atoms) group, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom, and n is 0, 1, 2 or 3. ] isocyanate represented by tertiary amine and/or quaternary amine.
The formula is characterized in that it is reacted in the presence of ammonium fluoride. A method for producing an N-substituted aminomaleimide represented by the formula (wherein R 1 , R 2 , X 1 and m each have the same meanings as above).
JP18689181A 1981-11-24 1981-11-24 N-substituted aminomaleimide compound and its preparation Granted JPS5888359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18689181A JPS5888359A (en) 1981-11-24 1981-11-24 N-substituted aminomaleimide compound and its preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18689181A JPS5888359A (en) 1981-11-24 1981-11-24 N-substituted aminomaleimide compound and its preparation

Publications (2)

Publication Number Publication Date
JPS5888359A JPS5888359A (en) 1983-05-26
JPS645594B2 true JPS645594B2 (en) 1989-01-31

Family

ID=16196490

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18689181A Granted JPS5888359A (en) 1981-11-24 1981-11-24 N-substituted aminomaleimide compound and its preparation

Country Status (1)

Country Link
JP (1) JPS5888359A (en)

Also Published As

Publication number Publication date
JPS5888359A (en) 1983-05-26

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