RU96107419A - BENZOFURANI, METHOD FOR THEIR PRODUCTION, PHARMACEUTICAL COMPOSITION AND METHOD FOR ITS PRODUCTION - Google Patents
BENZOFURANI, METHOD FOR THEIR PRODUCTION, PHARMACEUTICAL COMPOSITION AND METHOD FOR ITS PRODUCTIONInfo
- Publication number
- RU96107419A RU96107419A RU96107419/04A RU96107419A RU96107419A RU 96107419 A RU96107419 A RU 96107419A RU 96107419/04 A RU96107419/04 A RU 96107419/04A RU 96107419 A RU96107419 A RU 96107419A RU 96107419 A RU96107419 A RU 96107419A
- Authority
- RU
- Russia
- Prior art keywords
- formula
- compound
- piperazinyl
- group
- denotes
- Prior art date
Links
- 239000008194 pharmaceutical composition Substances 0.000 title claims 3
- 150000001875 compounds Chemical class 0.000 claims 15
- 150000003839 salts Chemical class 0.000 claims 9
- 239000011780 sodium chloride Substances 0.000 claims 9
- -1 1-piperazinyl Chemical group 0.000 claims 7
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims 3
- 150000001907 coumarones Chemical class 0.000 claims 3
- 230000001681 protective Effects 0.000 claims 3
- 150000001412 amines Chemical group 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 2
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims 2
- 239000000126 substance Substances 0.000 claims 2
- QHKJIJXBJCOABP-UHFFFAOYSA-N 1-benzofuran-2-carboxamide Chemical compound C1=CC=C2OC(C(=O)N)=CC2=C1 QHKJIJXBJCOABP-UHFFFAOYSA-N 0.000 claims 1
- LLRGOAFFRRUFBM-UHFFFAOYSA-N 5-piperazin-1-yl-1-benzofuran-2-carboxamide Chemical compound C=1C=C2OC(C(=O)N)=CC2=CC=1N1CCNCC1 LLRGOAFFRRUFBM-UHFFFAOYSA-N 0.000 claims 1
- XSDYUFFJOJVGMF-UHFFFAOYSA-N 5-piperazin-1-yl-1-benzofuran-2-carboxylic acid Chemical compound C=1C=C2OC(C(=O)O)=CC2=CC=1N1CCNCC1 XSDYUFFJOJVGMF-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 125000004432 carbon atoms Chemical group C* 0.000 claims 1
- 239000000969 carrier Substances 0.000 claims 1
- 201000010099 disease Diseases 0.000 claims 1
- 239000002552 dosage form Substances 0.000 claims 1
- 239000003814 drug Substances 0.000 claims 1
- 229940079593 drugs Drugs 0.000 claims 1
- KAWQPOUWLVOHKU-UHFFFAOYSA-N ethyl 1-benzofuran-2-carboxylate Chemical compound C1=CC=C2OC(C(=O)OCC)=CC2=C1 KAWQPOUWLVOHKU-UHFFFAOYSA-N 0.000 claims 1
- YFFLLDHEEWSHQG-UHFFFAOYSA-N ethyl 5-amino-1-benzofuran-2-carboxylate Chemical compound NC1=CC=C2OC(C(=O)OCC)=CC2=C1 YFFLLDHEEWSHQG-UHFFFAOYSA-N 0.000 claims 1
- ZKLDXJIVWKPASZ-UHFFFAOYSA-N ethyl 5-piperazin-1-yl-1-benzofuran-2-carboxylate Chemical compound C=1C=C2OC(C(=O)OCC)=CC2=CC=1N1CCNCC1 ZKLDXJIVWKPASZ-UHFFFAOYSA-N 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 230000003993 interaction Effects 0.000 claims 1
- 239000000543 intermediate Substances 0.000 claims 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 230000002194 synthesizing Effects 0.000 claims 1
- 125000004523 tetrazol-1-yl group Chemical group N1(N=NN=C1)* 0.000 claims 1
Claims (7)
где R1 - NH2 1-пиперазинил или 4-R3-пиперазинил;
R2 - H, Cl, Br, OH или OA;
R3 - бензил или само по себе известную, защитную для аминной функции группу;
X - CN, COOH, COOA, COOPh, COOCH2Ph, COOPy, CONR4R5 или CO-Гет;
R4 и R5 - каждый независимо друг от друга H, A или бензил;
A - алкил с 1 - 4 C-атомами;
Ph - фенил;
Гет - имидазол-1-ил, триазол-1-ил или тетразол-1-ил;
Py - пиридил,
а также их соли.1. Benzofurans of the formula I
where R 1 is NH 2 1-piperazinyl or 4-R 3 -piperazinyl;
R 2 - H, Cl, Br, OH or OA;
R 3 is benzyl or a group that is known to be protective for the amine function;
X — CN, COOH, COOA, COOPh, COOCH 2 Ph, COOPy, CONR 4 R 5, or CO-Get;
R 4 and R 5 are each independently H, A, or benzyl;
A is alkyl with 1-4 C-atoms;
Ph is phenyl;
Get-imidazol-1-yl, triazol-1-yl or tetrazol-1-yl;
Py - pyridyl,
and their salts.
а) этиловый эфир 5-аминобензофуран-2-карбоновой кислоты и его соли,
б) 5-(1-пиперазинил) бензофуран-2-карбоновая кислота и ее соли,
в) этиловый эфир 5-(1-пиперазинил) бензофуран-2-карбоновой кислоты и его соли,
г) этиловый эфир 5-(4-терт.-бутилоксикарбонил-1-пиперазинил)-бензофуран-2-карбоновой кислоты,
д) 5-(4-трет.-бутилоксикарбонил-1-пиперазинил) бензофуран-2-карбоксамид,
е) 5-(1-пиперазинил) бензофуран-2-карбоксамид.2. Benzofurans of the formula I according to claim 1, which are:
a) 5-aminobenzofuran-2-carboxylic acid ethyl ester and its salt,
b) 5- (1-piperazinyl) benzofuran-2-carboxylic acid and its salts,
c) 5- (1-piperazinyl) benzofuran-2-carboxylic acid ethyl ester and its salt,
d) 5- (4-tert.-butyloxycarbonyl-1-piperazinyl) benzofuran-2-carboxylic acid ethyl ester,
d) 5- (4-tert.-butyloxycarbonyl-1-piperazinyl) benzofuran-2-carboxamide,
e) 5- (1-piperazinyl) benzofuran-2-carboxamide.
R6N(CH2CH2X1)2,
где R6 - H или бензил;
X1 - Cl, Br, J, OH или реакционноспособная, функционально измененная OH-группа;
или соединение, которое соответствует формуле I, где R1 обозначает 1-пиперазинильный остаток, путем введения известной защитной для аминной функции группы превращают в соединение формулы I, где R1 обозначает 4-R3-пиперазинильный остаток, где R3 имеет указанное значение или соединение, которое соответствует формуле I, где X обозначает COOA-группу, где A имеет указанное значение, превращают в другое соединение формулы (I), в которой X обозначает CONR4R5, где R4 и R5 имеют указанные значения, или соединение, которое соответствует формуле I, где X обозначает COOH-группу, превращают в другое соединение формулы I, в которой X обозначает CO-Гет, где Гет имеет указанное значение, или соединение, которое соответствует формуле I, где R1 обозначает 4-R3-пиперазинильную группу, в которой R3 имеет указанное значение, путем отщепления защитной группы превращают в соединение формулы I, в которой R1 обозначает 1-пиперазинил, и/или основание формулы I путем обработки кислотой превращают в одну из его солей.3. The method of obtaining benzofurans of the formula I according to claim 1, as well as their salts, characterized in that the compound that corresponds to the formula I, where R 1 denotes a nitro group, is reduced in the usual way, or the compound that corresponds to formula I, where R 1 denotes NH 2 group, enter into interaction with the compound of the formula II
R 6 N (CH 2 CH 2 X 1 ) 2 ,
where R 6 is H or benzyl;
X 1 - Cl, Br, J, OH, or a reactive, functionally modified OH group;
or a compound that corresponds to formula I, where R 1 denotes a 1-piperazinyl residue, by introducing a known protective function for the amine function of the group into a compound of formula I, where R 1 denotes 4-R 3- piperazinyl residue, where R 3 has the indicated meaning or a compound that corresponds to formula I, where X denotes a COOA group, where A has the indicated meaning, is converted to another compound of formula (I), in which X represents CONR 4 R 5 , where R 4 and R 5 have the indicated meanings, or the compound which corresponds to the formula I, where X denotes t COOH group, is converted to another compound of formula I, in which X is CO-Get, where Geht has the indicated value, or a compound that corresponds to Formula I, where R 1 is 4-R 3 -piperazinyl group, in which R 3 has the indicated value, by cleaving the protective group into a compound of formula I, in which R 1 is 1-piperazinyl, and / or the base of formula I is converted into one of its salts by treatment with acid.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19514567A DE19514567A1 (en) | 1995-04-20 | 1995-04-20 | Benzofurans |
DE19514567.4 | 1995-04-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU96107419A true RU96107419A (en) | 1998-07-20 |
RU2159238C2 RU2159238C2 (en) | 2000-11-20 |
Family
ID=7759973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU96107419/04A RU2159238C2 (en) | 1995-04-20 | 1996-04-17 | Benzofurans and method of preparation thereof |
Country Status (22)
Country | Link |
---|---|
US (2) | US5723614A (en) |
EP (2) | EP1215210B1 (en) |
JP (2) | JP3874837B2 (en) |
KR (1) | KR100444385B1 (en) |
CN (1) | CN1181067C (en) |
AT (2) | ATE342893T1 (en) |
AU (1) | AU704495B2 (en) |
CA (1) | CA2174494C (en) |
CZ (1) | CZ294697B6 (en) |
DE (3) | DE19514567A1 (en) |
DK (2) | DK0738722T3 (en) |
ES (2) | ES2201143T3 (en) |
HU (1) | HU226684B1 (en) |
NO (1) | NO961579L (en) |
PL (1) | PL189175B1 (en) |
PT (2) | PT738722E (en) |
RU (1) | RU2159238C2 (en) |
SI (1) | SI0738722T1 (en) |
SK (2) | SK284862B6 (en) |
TW (1) | TW335396B (en) |
UA (1) | UA45958C2 (en) |
ZA (1) | ZA963155B (en) |
Families Citing this family (31)
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US5942489A (en) * | 1996-05-03 | 1999-08-24 | The Administrators Of The Tulane Educational Fund | HGH-RH(1-29)NH2 analogues having antagonistic activity |
TW518218B (en) * | 1999-05-27 | 2003-01-21 | Merck Patent Gmbh | Pharmaceutical compositions comprising 1-[4-(5-cyanoindol-3-yl)butyl]-4-(2-carbamoylbenzofuran-5-yl)piperazine or its physiologically acceptable salts for use in the treatment of sub-type anxiety disorders |
DE19932314A1 (en) * | 1999-07-10 | 2001-01-11 | Merck Patent Gmbh | Benzofuran derivatives |
DE19958496A1 (en) * | 1999-12-04 | 2001-06-07 | Merck Patent Gmbh | Process for the preparation of 5- (1-piperazinyl) -benzofuran-2-carboxamide by transition metal-catalyzed amination |
UA76758C2 (en) * | 2001-06-19 | 2006-09-15 | Мерк Патент Гмбх | Polymorph forms of hydrochloride of 1-[4-(5-cyanoindol-3-yl)butyl]-4-(2-carbamoyl-benzofuran-5-yl)-piperazine |
DE10305739A1 (en) * | 2003-02-11 | 2004-08-19 | Merck Patent Gmbh | New indolyl-substituted benzofuran derivatives, are 5-HT(1A) agonists and 5-HT reuptake inhibitors useful e.g. as anxiolytic, antidepressant, neuroleptic and/or antihypertensive agents |
DE102005019670A1 (en) * | 2005-04-26 | 2006-11-02 | Merck Patent Gmbh | Preparation of 5-(4-(4-(5-cyano-3-indolyl)-butyl)-1-piperazinyl)-benzofuran-2-carboxamide, comprises reacting a heterocyclic compound with a carbonitrile compound; and/or converting the obtained benzofuran compound to its salt |
EP2110374A1 (en) * | 2008-04-18 | 2009-10-21 | Merck Sante | Benzofurane, benzothiophene, benzothiazol derivatives as FXR modulators |
SG173757A1 (en) * | 2009-03-10 | 2011-09-29 | Takeda Pharmaceutical | Benzofuran derivatives |
CN102267985B (en) * | 2011-06-15 | 2015-12-09 | 上海医药工业研究院 | The preparation method of vilazodone or its hydrochloride |
WO2013114338A1 (en) * | 2012-02-01 | 2013-08-08 | Ranbaxy Laboratories Limited | Process for the preparation of vilazodone or its pharmaceutically acceptable salts |
US9969721B2 (en) * | 2012-04-12 | 2018-05-15 | Alembic Pharmaceuticals Limited | Process for the preparation of vilazodone hydrochloride and its amorphous form |
WO2013175499A2 (en) * | 2012-04-20 | 2013-11-28 | Cadila Healthcare Limited | Polymorphic form of 5-(4-[4-(5-cyano-1h-indol-3- yl)butyl]piperazin-1-yl) benzofuran-2-carboxamide |
WO2013175361A1 (en) * | 2012-05-24 | 2013-11-28 | Ranbaxy Laboratories Limited | Process for the preparation of vilazodone hydrochloride |
CN102702180A (en) * | 2012-05-25 | 2012-10-03 | 吉林三善恩科技开发有限公司 | Vilazodone organic pharmaceutical cocrystal and preparation method thereof |
WO2013182946A2 (en) * | 2012-06-06 | 2013-12-12 | Ranbaxy Laboratories Limited | Process for the preparation of vilazodone hydrochloride |
WO2014006637A2 (en) | 2012-07-02 | 2014-01-09 | Symed Labs Limited | Improved process for preparing benzofuran-2-carboxamide derivatives |
CA2884676A1 (en) | 2012-09-12 | 2014-03-20 | Apotex Pharmachem Inc. | Processes for the preparation of 3-alkyl indoles |
ITMI20121576A1 (en) * | 2012-09-21 | 2014-03-22 | Olon Spa | PROCEDURE FOR THE PREPARATION OF VILAZODONE |
WO2014049609A2 (en) | 2012-09-26 | 2014-04-03 | Cadila Healthcare Limited | Novel salts of vilazodone |
WO2014061000A1 (en) | 2012-10-19 | 2014-04-24 | Ranbaxy Laboratories Limited | Process for the preparation of vilazodone or pharmaceutically acceptable salt thereof |
WO2014061004A2 (en) * | 2012-10-19 | 2014-04-24 | Ranbaxy Laboratories Limited | Process for the preparation of vilazodone or pharmaceutically acceptable salt thereof |
WO2014064715A2 (en) * | 2012-10-22 | 2014-05-01 | Cadila Healthcare Limited | Amorphous form of vilazodone hydrochloride and process for preparing thereof |
CN103044370A (en) * | 2012-12-28 | 2013-04-17 | 山东邹平大展新材料有限公司 | Preparation method of 5-(piperazinyl-1-yl) benzofuranyl-2-carboxamide |
CN104045608B (en) * | 2013-03-11 | 2016-06-01 | 天津药物研究院有限公司 | A kind of substituted piperazine like compound and prepare the method for vilazodone intermediate |
IN2013MU02001A (en) | 2013-06-12 | 2015-05-29 | Lupin Ltd | |
CN103360373B (en) * | 2013-07-12 | 2016-06-15 | 苏州永健生物医药有限公司 | The synthetic method of vilazodone intermediate and salt thereof |
CN103819433A (en) * | 2013-11-27 | 2014-05-28 | 上海威翼化工有限公司 | Method for synthesizing piperazine-benzofuran compound |
CN105801566A (en) * | 2014-12-30 | 2016-07-27 | 山东方明药业集团股份有限公司 | Preparation method of vilazodone hydrochloride |
CN107540646B (en) * | 2017-08-29 | 2020-12-01 | 连云港恒运药业有限公司 | Synthesis method of vilazodone intermediate |
CN109438403A (en) * | 2018-12-28 | 2019-03-08 | 凯瑞斯德生化(苏州)有限公司 | A kind of preparation method of 5- aminobenzofur -2- Ethyl formate |
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Publication number | Priority date | Publication date | Assignee | Title |
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DE4333254A1 (en) * | 1993-09-30 | 1995-04-06 | Merck Patent Gmbh | Piperidines and piperazines |
JP2990042B2 (en) * | 1994-06-06 | 1999-12-13 | 吉富製薬株式会社 | Novel fused ring carboxylic acid derivative or salt thereof, and pharmaceutical use thereof |
CA2168858A1 (en) * | 1994-06-06 | 1995-12-14 | Shinichiro Ono | Novel fused-ring carboxylic acid compound or salt thereof, and medicinal use thereof |
-
1995
- 1995-04-20 DE DE19514567A patent/DE19514567A1/en not_active Withdrawn
-
1996
- 1996-03-04 TW TW085102640A patent/TW335396B/en not_active IP Right Cessation
- 1996-04-11 ES ES96105701T patent/ES2201143T3/en not_active Expired - Lifetime
- 1996-04-11 ES ES02006144T patent/ES2275765T3/en not_active Expired - Lifetime
- 1996-04-11 DK DK96105701T patent/DK0738722T3/en active
- 1996-04-11 EP EP02006144A patent/EP1215210B1/en not_active Expired - Lifetime
- 1996-04-11 EP EP96105701A patent/EP0738722B1/en not_active Expired - Lifetime
- 1996-04-11 AT AT02006144T patent/ATE342893T1/en active
- 1996-04-11 DK DK02006144T patent/DK1215210T3/en active
- 1996-04-11 DE DE59611393T patent/DE59611393D1/en not_active Expired - Lifetime
- 1996-04-11 SI SI9630633T patent/SI0738722T1/en unknown
- 1996-04-11 AT AT96105701T patent/ATE243689T1/en active
- 1996-04-11 PT PT96105701T patent/PT738722E/en unknown
- 1996-04-11 PT PT02006144T patent/PT1215210E/en unknown
- 1996-04-11 DE DE59610549T patent/DE59610549D1/en not_active Expired - Lifetime
- 1996-04-16 CN CNB961049839A patent/CN1181067C/en not_active Expired - Fee Related
- 1996-04-17 RU RU96107419/04A patent/RU2159238C2/en not_active IP Right Cessation
- 1996-04-17 AU AU50734/96A patent/AU704495B2/en not_active Ceased
- 1996-04-17 SK SK486-96A patent/SK284862B6/en not_active IP Right Cessation
- 1996-04-17 SK SK117-2003A patent/SK285224B6/en not_active IP Right Cessation
- 1996-04-18 CA CA002174494A patent/CA2174494C/en not_active Expired - Fee Related
- 1996-04-19 US US08/634,825 patent/US5723614A/en not_active Expired - Lifetime
- 1996-04-19 UA UA96041563A patent/UA45958C2/en unknown
- 1996-04-19 ZA ZA963155A patent/ZA963155B/en unknown
- 1996-04-19 KR KR1019960011858A patent/KR100444385B1/en not_active IP Right Cessation
- 1996-04-19 NO NO961579A patent/NO961579L/en not_active Application Discontinuation
- 1996-04-19 PL PL96313861A patent/PL189175B1/en not_active IP Right Cessation
- 1996-04-19 CZ CZ19961131A patent/CZ294697B6/en not_active IP Right Cessation
- 1996-04-19 HU HU9601033A patent/HU226684B1/en not_active IP Right Cessation
- 1996-04-19 JP JP12078196A patent/JP3874837B2/en not_active Expired - Fee Related
-
1997
- 1997-10-29 US US08/960,459 patent/US5977112A/en not_active Expired - Lifetime
-
2006
- 2006-08-07 JP JP2006214860A patent/JP4795889B2/en not_active Expired - Fee Related
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