Document Type and Number:
Japanese Patent JPH0472818
Kind Code:
B2
Abstract:
New intermediates and processes for preparing 6-halo-7,8-dihydroxy-1-(p-hydroxyphenyl)-2,3,4,5-tetrahydro-1H-3-benza zepines involve the reaction of a p-methoxyphenylglyoxal, lower alkyl hemimercaptal with a 2-chloro-3,4-dimethoxyphenethylamine, followed by a borohydride reduction.
Inventors:
ARAN UIRIAMU TOREMUPAA
KYASURIIN ROORA WAATO
KYASURIIN ROORA WAATO
Application Number:
JP8508084A
Publication Date:
November 19, 1992
Filing Date:
April 25, 1984
Export Citation:
Assignee:
SMITHKLINE BEECHAM CORP
International Classes:
C07C323/29; C07C67/00; C07C213/00; C07C213/08; C07C217/54; C07C217/70; C07C313/00; C07C319/20; C07C323/23; C07F13/00; C07C
Next Patent: JPH0472819