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JPS52133969A - Synthesis of optically active lactam - Google Patents

Synthesis of optically active lactam

Info

Publication number
JPS52133969A
JPS52133969A JP4849376A JP4849376A JPS52133969A JP S52133969 A JPS52133969 A JP S52133969A JP 4849376 A JP4849376 A JP 4849376A JP 4849376 A JP4849376 A JP 4849376A JP S52133969 A JPS52133969 A JP S52133969A
Authority
JP
Japan
Prior art keywords
optically active
synthesis
active lactam
lactam
medicines
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.)
Pending
Application number
JP4849376A
Other languages
Japanese (ja)
Inventor
Toshio Wakabayashi
Yoshinori Kato
Masahiko Saito
Kenzo Watanabe
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.)
Teijin Ltd
Original Assignee
Teijin Ltd
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 Teijin Ltd filed Critical Teijin Ltd
Priority to JP4849376A priority Critical patent/JPS52133969A/en
Priority to GB3700176A priority patent/GB1515600A/en
Priority to FR7627102A priority patent/FR2348918A1/en
Priority to DE19762640674 priority patent/DE2640674A1/en
Publication of JPS52133969A publication Critical patent/JPS52133969A/en
Pending legal-status Critical Current

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  • Pyrrole Compounds (AREA)

Abstract

PURPOSE: To conveniently obtain optically active 5-oxo-2-pyrrolidinylacetic acid, useful as intermediate for asymmetric synthesis of medicines and natural org. compounds, by crystallization of a specific N-substituted compound thereof.
COPYRIGHT: (C)1977,JPO&Japio
JP4849376A 1976-04-19 1976-04-30 Synthesis of optically active lactam Pending JPS52133969A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4849376A JPS52133969A (en) 1976-04-30 1976-04-30 Synthesis of optically active lactam
GB3700176A GB1515600A (en) 1976-04-19 1976-09-07 Optically active pyrrolidone or piperidone derivatives and processes for preparing these derivatives
FR7627102A FR2348918A1 (en) 1976-04-19 1976-09-09 Optically active pyrrolidone and piperidone derivs. - for use as pharmaceutical intermediates optically
DE19762640674 DE2640674A1 (en) 1976-04-19 1976-09-09 OPTICALLY ACTIVE PYRROLIDONE OR PIPERIDONE DERIVATIVES AND PROCESS FOR THEIR PRODUCTION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4849376A JPS52133969A (en) 1976-04-30 1976-04-30 Synthesis of optically active lactam

Publications (1)

Publication Number Publication Date
JPS52133969A true JPS52133969A (en) 1977-11-09

Family

ID=12804899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4849376A Pending JPS52133969A (en) 1976-04-19 1976-04-30 Synthesis of optically active lactam

Country Status (1)

Country Link
JP (1) JPS52133969A (en)

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