GB1440150A - Process for preparing trans-4-amino-methylcyclohexane-1-carboxyl ic acid - Google Patents

Process for preparing trans-4-amino-methylcyclohexane-1-carboxyl ic acid

Info

Publication number
GB1440150A
GB1440150A GB945474A GB945474A GB1440150A GB 1440150 A GB1440150 A GB 1440150A GB 945474 A GB945474 A GB 945474A GB 945474 A GB945474 A GB 945474A GB 1440150 A GB1440150 A GB 1440150A
Authority
GB
United Kingdom
Prior art keywords
acid
trans
amino
aminomethylcyclohexane
methylcyclohexane
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
Application number
GB945474A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kureha Corp
Original Assignee
Kureha Corp
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.)
Filing date
Publication date
Application filed by Kureha Corp filed Critical Kureha Corp
Priority to GB945474A priority Critical patent/GB1440150A/en
Publication of GB1440150A publication Critical patent/GB1440150A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14—The ring being saturated

Landscapes

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

Abstract

1440150 Preparation of trans-4-aminomethylcyclohexane-1-carboxylic acid KUREHA KAGAKU KOGYO KK 1 March 1974 9454/74 Heading C2C Trans - 4 - aminomethylcyclohexane - 1- carboxylic acid is prepared by simultaneously reducing and trans-isomerizing p-amino-methylbenzoic acid or an ester thereof in the presence of ruthenium catalyst and, as a solvent, an aqueous solution or a C 1 -C 6 alkanol solution of a strong acid, i.e. one which readily yields hydrogen ions in water or a C 1-6 alcohol, e.g. mineral acid, phosphoric acid, formic acid, acetic acid &c. or an alkali metal and/or an alkaline earth metal hydroxide. The reduction and isomerization is preferably conducted at a temperature of from 80‹ to 150‹ C. and in the presence of ruthenium oxide as catalyst.
GB945474A 1974-03-01 1974-03-01 Process for preparing trans-4-amino-methylcyclohexane-1-carboxyl ic acid Expired GB1440150A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB945474A GB1440150A (en) 1974-03-01 1974-03-01 Process for preparing trans-4-amino-methylcyclohexane-1-carboxyl ic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB945474A GB1440150A (en) 1974-03-01 1974-03-01 Process for preparing trans-4-amino-methylcyclohexane-1-carboxyl ic acid

Publications (1)

Publication Number Publication Date
GB1440150A true GB1440150A (en) 1976-06-23

Family

ID=9872276

Family Applications (1)

Application Number Title Priority Date Filing Date
GB945474A Expired GB1440150A (en) 1974-03-01 1974-03-01 Process for preparing trans-4-amino-methylcyclohexane-1-carboxyl ic acid

Country Status (1)

Country Link
GB (1) GB1440150A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015104721A3 (en) * 2014-01-08 2016-03-03 Davuluri, Ramamohan Rao An improved process for the preparation of tranexamic acid
CN115784915A (en) * 2022-12-01 2023-03-14 湖南洞庭药业股份有限公司 Improved process for the synthesis of tranexamic acid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015104721A3 (en) * 2014-01-08 2016-03-03 Davuluri, Ramamohan Rao An improved process for the preparation of tranexamic acid
CN115784915A (en) * 2022-12-01 2023-03-14 湖南洞庭药业股份有限公司 Improved process for the synthesis of tranexamic acid
CN115784915B (en) * 2022-12-01 2024-04-12 湖南洞庭药业股份有限公司 Improved method for synthesizing tranexamic acid

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee