Title:
【発明の名称】シス-8-ベンジル-7、9-ジオキソ-2、8-ジアザビシクロ[4.3.0]ノナン対掌体の分離法
Document Type and Number:
Japanese Patent JP2003502325
Kind Code:
A
Abstract:
The invention relates to a method for the enantiomer separation of cis-8-benzyl-7,9-dioxo-2,8-diazabicy-clo[4.3.0]nonane (also described below as cis-6-benzyl-5,7-dioxooctahydropyrrolo[3,4-b]pyridine or dioxopyrrolopiperidine). The invention also relates to a method for producing (1S, 6R)- and (1R, 6S)-8-benzyl-7,9-dioxo-2,8-diazabicyclo[4.3.0]nonane using the above method. The invention further relates to the (-)-2,3:4,6-di-O-isopropylidene-2-keto-L-gulonic acid salts of (1S, 6R)- and (1R, 6S)-8-benzyl-7,9-dioxo-2,8-diazabicyclo[4.3.0]nonane and to a method for producing the same. Finally, the invention relate to a method for the enantiomer enrichment of (1S, 6R)-8-benzyl-7,9-dioxo-2,8-diazabicyclo[4.3.0]-nonane.
Inventors:
Huay, Peter
Application Number:
JP2001503854A
Publication Date:
January 21, 2003
Filing Date:
June 05, 2000
Export Citation:
Assignee:
Bayer Aktiengesellschaft
International Classes:
C07D471/04; C07H9/04; (IPC1-7): C07D471/04
Domestic Patent References:
| JPH05271229A | 1993-10-19 | |||
| JPH06228154A | 1994-08-16 | |||
| JPH0820587A | 1996-01-23 | |||
| JPS5039652B1 | 1975-12-18 |
Attorney, Agent or Firm:
Heiyoshi Odashima