GB1281856A - A method of preparation of trans isomers of 1,2,3,4 cyclopentane-tetracarboxylic acids - Google Patents
A method of preparation of trans isomers of 1,2,3,4 cyclopentane-tetracarboxylic acidsInfo
- Publication number
- GB1281856A GB1281856A GB2109471A GB2109471A GB1281856A GB 1281856 A GB1281856 A GB 1281856A GB 2109471 A GB2109471 A GB 2109471A GB 2109471 A GB2109471 A GB 2109471A GB 1281856 A GB1281856 A GB 1281856A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cyclopentane
- trans isomers
- preparation
- tetracarboxylic acids
- acid
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C61/00—Compounds having carboxyl groups bound to carbon atoms of rings other than six-membered aromatic rings
- C07C61/06—Saturated compounds having a carboxyl group bound to a five-membered ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1281856 Cyclopentane-tetracarboxylic acid SOC CHIMIQUE DES CHARBONNAGES 19 April 1971 [6 Feb 1970] 21094/71 Heading C2C Trans isomers of the 1,2,3,4-cyclopentanetetracarboxylic acids are prepared in a process in which the acid to be isomerized is subjected to a heat treatment in an aqueous solution.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7004353A FR2079631A5 (en) | 1970-02-06 | 1970-02-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1281856A true GB1281856A (en) | 1972-07-19 |
Family
ID=9050229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2109471A Expired GB1281856A (en) | 1970-02-06 | 1971-04-19 | A method of preparation of trans isomers of 1,2,3,4 cyclopentane-tetracarboxylic acids |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE762105A (en) |
CH (1) | CH513099A (en) |
DE (1) | DE2105010A1 (en) |
ES (1) | ES388016A1 (en) |
FR (1) | FR2079631A5 (en) |
GB (1) | GB1281856A (en) |
LU (1) | LU62511A1 (en) |
NL (1) | NL7101451A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5254261A (en) * | 1991-08-12 | 1993-10-19 | Hydranautics | Interfacially synthesized reverse osmosis membranes and processes for preparing the same |
-
1970
- 1970-02-06 FR FR7004353A patent/FR2079631A5/fr not_active Expired
-
1971
- 1971-01-27 BE BE762105A patent/BE762105A/en unknown
- 1971-01-29 LU LU62511D patent/LU62511A1/xx unknown
- 1971-02-03 NL NL7101451A patent/NL7101451A/xx unknown
- 1971-02-03 DE DE19712105010 patent/DE2105010A1/en active Granted
- 1971-02-05 CH CH177871A patent/CH513099A/en not_active IP Right Cessation
- 1971-02-06 ES ES388016A patent/ES388016A1/en not_active Expired
- 1971-04-19 GB GB2109471A patent/GB1281856A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2105010A1 (en) | 1971-08-12 |
CH513099A (en) | 1971-09-30 |
NL7101451A (en) | 1971-08-10 |
ES388016A1 (en) | 1973-05-01 |
LU62511A1 (en) | 1971-08-10 |
DE2105010B2 (en) | 1973-01-04 |
FR2079631A5 (en) | 1971-11-12 |
BE762105A (en) | 1971-07-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |