Title:
【発明の名称】新規ピペリジン―4―スピロ―オキシラン
Document Type and Number:
Japanese Patent JPH05506652
Kind Code:
A
Abstract:
PCT No. PCT/GB91/00531 Sec. 371 Date Oct. 20, 1992 Sec. 102(e) Date Oct. 20, 1992 PCT Filed Apr. 5, 1990 PCT Pub. No. WO91/15492 PCT Pub. Date Oct. 17, 1991. (I) Novel piperidin-4-spiro-oxiranes of formula (I) are provided which have application in the synthesis of various anilidopiperidine compounds. The novel compounds can be synthesised in a one pot reaction from 4-substituted piperidones and phenylsulphoxide or sulphone starting materials. Use of the novel compounds allows anilidopiperidines to be produced in a significantly reduced number of stages than with previously known methods.
Inventors:
Black, robin michael
Blue star, keith
Blue star, keith
Application Number:
JP50697491A
Publication Date:
September 30, 1993
Filing Date:
April 05, 1991
Export Citation:
Assignee:
United Kingdom
International Classes:
C07D211/48; C07D493/10; C07D211/58; C07D491/10; C07D491/107; (IPC1-7): C07D493/10
Attorney, Agent or Firm:
Yoshio Kawaguchi (3 outside)