NL187907C - Werkwijze voor de bereiding van fenylglyoxylzuuresters. - Google Patents

Werkwijze voor de bereiding van fenylglyoxylzuuresters.

Info

Publication number: NL187907C
Authority: NL; Netherlands
Prior art keywords: eesters; preparation; phenylglyoxyl; acid; phenylglyoxyl acid
Prior art date: 1977-02-25

Application number

NLAANVRAGE7802102,A

Other languages

English (en)

Other versions

NL187907B (nl

NL7802102A (nl

Original Assignee

Bayer Ag

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.)

1977-02-25

Filing date

1978-02-24

Publication date

1992-02-17

1978-02-24 Application filed by Bayer Ag filed Critical Bayer Ag

1978-08-29 Publication of NL7802102A publication Critical patent/NL7802102A/nl

1991-09-16 Publication of NL187907B publication Critical patent/NL187907B/nl

1992-02-17 Application granted granted Critical

1992-02-17 Publication of NL187907C publication Critical patent/NL187907C/nl

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D253/00—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00
- C07D253/02—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00 not condensed with other rings
- C07D253/06—1,2,4-Triazines
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D253/00—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00
- C07D253/02—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00 not condensed with other rings
- C07D253/06—1,2,4-Triazines
- C07D253/065—1,2,4-Triazines having three double bonds between ring members or between ring members and non-ring members
- C07D253/07—1,2,4-Triazines having three double bonds between ring members or between ring members and non-ring members with hetero atoms, or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

NLAANVRAGE7802102,A 1977-02-25 1978-02-24 Werkwijze voor de bereiding van fenylglyoxylzuuresters. NL187907C (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2708189A DE2708189C2 (de)	1977-02-25	1977-02-25	Verfahren zur Herstellung von Phenylglyoxylsäureestern

Publications (3)

Publication Number	Publication Date
NL7802102A NL7802102A (nl)	1978-08-29
NL187907B NL187907B (nl)	1991-09-16
NL187907C true NL187907C (nl)	1992-02-17

Family

ID=6002157

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7802102,A NL187907C (nl)	1977-02-25	1978-02-24	Werkwijze voor de bereiding van fenylglyoxylzuuresters.

Country Status (13)

Country	Link
US (1)	US4596885A (nl)
JP (1)	JPS6045631B2 (nl)
AT (1)	AT353778B (nl)
BE (1)	BE864302A (nl)
BR (1)	BR7801137A (nl)
CH (1)	CH635063A5 (nl)
DE (1)	DE2708189C2 (nl)
DK (1)	DK156953C (nl)
FR (1)	FR2392956A1 (nl)
GB (1)	GB1574683A (nl)
IL (1)	IL54103A (nl)
IT (1)	IT1094163B (nl)
NL (1)	NL187907C (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2733181B2 (de) *	1977-07-22	1979-08-30	Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt	Verfahren zur Herstellung von N-substituierten a -Ketocarbonsäureamiden
US4234739A (en) *	1978-12-05	1980-11-18	Stauffer Chemical Company	Method for preparing glyoxylic acids and derivatives thereof
EP0712835B1 (de)	1990-12-31	1997-08-20	Basf Aktiengesellschaft	Verfahren zur Herstellung von Alpha-Ketocarbonsäureestern
KR100600039B1 (ko) *	2005-08-19	2006-07-13	최병만	시각장애인용 유도 블록
CN102344361B (zh) *	2011-11-04	2013-07-31	合肥工业大学	一种苯甲酰甲酸的高选择性合成方法
CN103408424A (zh) *	2013-08-22	2013-11-27	河北诚信有限责任公司	一锅法合成苯乙酮酸甲酯的制备方法
CN106187929A (zh) *	2015-05-05	2016-12-07	江苏泰仓农化有限公司	苯嗪草酮的生产方法
CN107473971A (zh) *	2017-09-21	2017-12-15	湖北沙隆达股份有限公司	苯甲酰氰合成苯甲酰甲酸甲酯的新工艺
CN114478241A (zh) *	2021-12-31	2022-05-13	山东京博生物科技有限公司	一种芳甲酰基甲酸酯的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH475193A (de) *	1966-06-07	1969-07-15	Hoffmann La Roche	Verfahren zur Herstellung von Phenylalaninderivaten
US3754006A (en) *	1967-02-02	1973-08-21	Sterling Drug Inc	Esters and amides of substituted glyoxylic acids
DE2528211C3 (de) *	1975-06-25	1980-03-06	Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von Acylcyaniden
US3979430A (en) *	1975-09-08	1976-09-07	Syntex (U.S.A.) Inc.	Solvolytic process for the preparation of 2-(5H-dibenzo[a,d]cyclohepten-5-on-2-yl)acetic, propionic and butyric acids
US4234739A (en) *	1978-12-05	1980-11-18	Stauffer Chemical Company	Method for preparing glyoxylic acids and derivatives thereof

1977
- 1977-02-25 DE DE2708189A patent/DE2708189C2/de not_active Expired
1978
- 1978-02-06 US US05/875,707 patent/US4596885A/en not_active Expired - Lifetime
- 1978-02-20 GB GB644/78A patent/GB1574683A/en not_active Expired
- 1978-02-22 IL IL54103A patent/IL54103A/xx unknown
- 1978-02-22 IT IT20532/78A patent/IT1094163B/it active
- 1978-02-23 CH CH198478A patent/CH635063A5/de not_active IP Right Cessation
- 1978-02-23 JP JP53019181A patent/JPS6045631B2/ja not_active Expired
- 1978-02-24 NL NLAANVRAGE7802102,A patent/NL187907C/nl not_active IP Right Cessation
- 1978-02-24 BE BE185464A patent/BE864302A/xx not_active IP Right Cessation
- 1978-02-24 BR BR7801137A patent/BR7801137A/pt unknown
- 1978-02-24 DK DK086478A patent/DK156953C/da not_active IP Right Cessation
- 1978-02-24 AT AT134178A patent/AT353778B/de active
- 1978-02-24 FR FR7805360A patent/FR2392956A1/fr active Granted

Also Published As

Publication number	Publication date
JPS6045631B2 (ja)	1985-10-11
IL54103A0 (en)	1978-04-30
AT353778B (de)	1979-12-10
NL187907B (nl)	1991-09-16
GB1574683A (en)	1980-09-10
JPS53105449A (en)	1978-09-13
US4596885A (en)	1986-06-24
ATA134178A (de)	1979-05-15
BR7801137A (pt)	1978-10-31
DE2708189A1 (de)	1978-08-31
IL54103A (en)	1981-01-30
IT7820532A0 (it)	1978-02-22
IT1094163B (it)	1985-07-26
DK156953C (da)	1990-03-19
CH635063A5 (de)	1983-03-15
DE2708189C2 (de)	1985-07-04
FR2392956B1 (nl)	1984-01-27
DK86478A (da)	1978-08-26
NL7802102A (nl)	1978-08-29
DK156953B (da)	1989-10-23
BE864302A (fr)	1978-08-24
FR2392956A1 (fr)	1978-12-29

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Legal Events

Date	Code	Title	Description
1985-01-01	A85	Still pending on 85-01-01
1985-02-01	BA	A request for search or an international-type search has been filed
1985-02-01	BB	A search report has been drawn up
1985-05-01	BC	A request for examination has been filed
1998-05-06	V4	Discontinued because of reaching the maximum lifetime of a patent	Free format text: 980224