JPS537685A - Preparation of optical active lactams - Google Patents
Preparation of optical active lactamsInfo
- Publication number
- JPS537685A JPS537685A JP7981276A JP7981276A JPS537685A JP S537685 A JPS537685 A JP S537685A JP 7981276 A JP7981276 A JP 7981276A JP 7981276 A JP7981276 A JP 7981276A JP S537685 A JPS537685 A JP S537685A
- Authority
- JP
- Japan
- Prior art keywords
- optical active
- lactams
- preparation
- active lactams
- pharmecuticals
- 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
Links
Landscapes
- Hydrogenated Pyridines (AREA)
Abstract
PURPOSE: To prepare optical active lactams, useful as optical active pharmecuticals, intermediates for synthesis of natural organic compounds, etc., by the crystallization and separation of diastereomer mixture of lactams having an asymmetric carbon at the 2-position.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7981276A JPS537685A (en) | 1976-07-07 | 1976-07-07 | Preparation of optical active lactams |
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 |
---|---|---|---|
JP7981276A JPS537685A (en) | 1976-07-07 | 1976-07-07 | Preparation of optical active lactams |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS537685A true JPS537685A (en) | 1978-01-24 |
Family
ID=13700611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7981276A Pending JPS537685A (en) | 1976-04-19 | 1976-07-07 | Preparation of optical active lactams |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS537685A (en) |
-
1976
- 1976-07-07 JP JP7981276A patent/JPS537685A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5419931A (en) | Separation of threo, erythro-3-(3,4-dibenzyloxyphenyl)serines | |
JPS537685A (en) | Preparation of optical active lactams | |
JPS5225776A (en) | Preparation of 2,4-disubstituted 6-membered cyclic ethers | |
JPS53127891A (en) | Crystallization of co-enzyme q | |
JPS5266531A (en) | Preparation of oxazolylethylene compounds | |
JPS52106857A (en) | Preparation of 1,3-disubstituted-2-azetidinones | |
JPS5239665A (en) | Process for preparing perfluorolactones | |
JPS53101302A (en) | Purification of organocyamic compounds | |
JPS535158A (en) | Preparation of optical active alpha-alkylvenzylalcohol and its intermediates | |
JPS52111585A (en) | Purification of lactam | |
JPS532476A (en) | Synthesis of 4-substituted-dithio-2-azetidinone derivatives | |
JPS52136165A (en) | Purification of pyrrolidine derivatives | |
JPS5231093A (en) | Preparation of 3- methylenecephalosporanic acid derivatives | |
JPS5293755A (en) | Preparation of carboxylic acid derivatives | |
JPS52142087A (en) | Purification of alpha-amino-epsilon-caprolactam | |
JPS5379861A (en) | Preparation of indoles | |
JPS5359638A (en) | Preparation of adrenalone | |
JPS5231090A (en) | Preparation of 3-substitutedmethyl-3- cephem derivatives | |
JPS525782A (en) | Preparation of 1-phthalazinone | |
JPS52122388A (en) | Preparation of 7-amino-3-carbamoyloxymethyl-3-cephem-4-carboxylic acid derivatives | |
JPS535159A (en) | Preparation of optical active n-methyl-2-pyrrolidylethanol | |
JPS5251386A (en) | Preparaton of -cephalosporanic acid derivatives | |
JPS5233648A (en) | Preparation of 3',4',-dideoxy-3',4',-didehydro-butyrosine derivatives | |
JPS5223067A (en) | Novel synthesis of 2-aminomethyl-1- ethylpyrrolidine | |
JPS5242854A (en) | Process for preparation of 2-oxyethylcyclopenta necarboxylic acid derivatives |