Synthesis of sibutramine, a novel cyclobutylalkylamine useful in the treatment of obesity, and its major human metabolites

被引:26
作者
Jeffery, JE [1 ]
Kerrigan, F [1 ]
Miller, TK [1 ]
Smith, GJ [1 ]
Tometzki, GB [1 ]
机构
[1] KNOLL PHARMACEUT, DEPT RES & DEV, NOTTINGHAM NG1 1GF, ENGLAND
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1996年 / 21期
关键词
D O I
10.1039/p19960002583
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Synthetic routes to N-{1-[1-(4-chlorophenyl)cyclobutyl]-3-methylbutyl}-N, N-dimethylamine(sibutramine) I and its demethylated and hydroxylated human metabolites N-{1-[1-(4-chlorophenyl)cyclobutyl]-3-methylbutyl}-N-methylamine 2, 1-[1-(4-chlorophenyl)cyclobutyl]-3-methylbutylamine 3, 4-amino-4-[1-(4-chlorophenyl)cyclobutyl]-2-methylbutan-1-ol 4 and c-3-(1-amino-3-methylbutyl)-3-(4-chlorophenyl)cyclobutan-r-1-ol 5a are described, Key steps are tandem Grignard-reduction reactions on 1-(4-chlorophenyl)cyclobutanecarbonitrile 7 and its 3-(tetrahydropyran-2-yloxy)substituted analogue 14 and a convenient one-pot conversion of 4-chlorophenylacetonitrile 6 into the 3-hydroxycyclobutanecarbonitrile 13.
引用
收藏
页码:2583 / 2589
页数:7
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