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1. (CN1146761) Method for carboxylating a phenol ether

Office : China
Application Number: 96190099.7 Application Date: 14.02.1996
Publication Number: 1146761 Publication Date: 02.04.1997
Publication Kind : A
Prior PCT appl.: Application Number:PCTFR9600240 ; Publication Number:9626176 Click to see the data
IPC:
C07C 65/21
C07C 51/15
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
65
Compounds having carboxyl groups bound to carbon atoms of six-membered aromatic rings and containing any of the groups OH, O-metal, -CHO, keto, ether, groups, groups, or groups
21
containing ether groups, groups, groups, or groups
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
51
Preparation of carboxylic acids or their salts, halides, or anhydrides
15
by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis
CPC:
C07C 51/15
Applicants: Phone-Poulenc Chimie
罗纳·布朗克化学公司
Inventors: P. Metivier
P·米蒂维尔
E. Dos Santos
E·多斯圣托斯
Agents: WANG JIE
中国国际贸易促进委员会专利商标事务所
Priority Data: 95/01927 20.02.1995 FR
Title: (EN) Method for carboxylating a phenol ether
(ZH) 苯酚醚的羧化方法
Abstract:
(EN) A method for carboxylating a phenol ether, particularly guaiacol and guetol, wherein said phenol ether in salt form is reacted with carbon dioxide at a temperature below 150 DEG C in an aprotic, polar and basic organic solvent.
(ZH)

本发明涉及一种苯酚醚,具体说是愈创木酚和guathol(2-乙氧基苯酚)的羧基化方法。本发明的羧基化方法包括将所说的苯酚醚以盐的形式与二氧化碳反应,其特征在于:此反应是在低于150℃的温度下,在极性和碱性质子惰性有机溶剂中进行。


Also published as:
EP0756588JPH09512285 AU1996048346WO/1996/026176