DE142507C - - Google Patents

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Publication number
DE142507C
DE142507C DENDAT142507D DE142507DA DE142507C DE 142507 C DE142507 C DE 142507C DE NDAT142507 D DENDAT142507 D DE NDAT142507D DE 142507D A DE142507D A DE 142507DA DE 142507 C DE142507 C DE 142507C
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DE
Germany
Prior art keywords
copper
salts
alkali
glycocoll
phenylglycine
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.)
Active
Application number
DENDAT142507D
Other languages
German (de)
Publication of DE142507C publication Critical patent/DE142507C/de
Active legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

*) Früheres Zusatzpatent: 142506.*) Previous additional patent: 142506.

Claims (1)

Patent-Anspruch :Patent claim: Neuerung in dem Verfahren zur Darstellung der Phenylglycin - o-carbonsäure, dadurch gekennzeichnet, daß man molekulare Gemenge von ο - Chlorbenzoesäure und Glycocoll, beide in Form ihrer Alkalisalze, mit Alkalicarbonaten in Gegenwart von Kupfer oder von Kupfersalzen in wässeriger Lösung erhitzt.Innovation in the process for the preparation of phenylglycine - o-carboxylic acid, characterized in that one molecular mixtures of ο - chlorobenzoic acid and Glycocoll, both in the form of their alkali salts, heated with alkali carbonates in the presence of copper or copper salts in aqueous solution.
DENDAT142507D Active DE142507C (en)

Publications (1)

Publication Number Publication Date
DE142507C true DE142507C (en)

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ID=410060

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DENDAT142507D Active DE142507C (en)

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DE (1) DE142507C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997008129A1 (en) * 1995-08-31 1997-03-06 Clariant Gmbh Process for preparing n-carboxymethylene-4-chloro-anthranilic acid and its dialkyl esters
EP0816327A1 (en) 1996-06-20 1998-01-07 Clariant GmbH Process for preparing N-(2-carboxy-5-chloro-phenyl)glycine
US6001831A (en) * 1995-08-31 1999-12-14 Clariant Gmbh Process for producing quinazoline derivatives

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997008129A1 (en) * 1995-08-31 1997-03-06 Clariant Gmbh Process for preparing n-carboxymethylene-4-chloro-anthranilic acid and its dialkyl esters
US5945556A (en) * 1995-08-31 1999-08-31 Clariant Gmbh Process for preparing N-carboxymethylene-4-chloro-anthranilic acid and its dialkyl esters
US6001831A (en) * 1995-08-31 1999-12-14 Clariant Gmbh Process for producing quinazoline derivatives
EP0816327A1 (en) 1996-06-20 1998-01-07 Clariant GmbH Process for preparing N-(2-carboxy-5-chloro-phenyl)glycine
DE19624583A1 (en) * 1996-06-20 1998-01-08 Hoechst Ag Process for the preparation of 2-carboxy-5-chloro-phenylglycine
US5821385A (en) * 1996-06-20 1998-10-13 Hoechst Aktiengesellschaft Process for the preparation of N-(2-carboxy-5-chloro-phenyl)glycine

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