申请人:Sandoz, Inc.
公开号:US04132725A1
公开(公告)日:1979-01-02
Benzazasilin-4-ones of the formula ##STR1## where R.sub.1 represents H or alkyl of 1-5 carbon atoms, R.sub.2 represents alkyl of 1-5 carbon atoms, R.sub.3 represents alkyl of 1-5 carbon atoms or ##STR2## where R.sub.5 represents H, alkyl of 1-5 carbon atoms, halo having an atomic weight of about 19-36, alkoxy having 1-5 carbon atoms, or ##STR3## where R.sub.6 and R.sub.7 each, independently, represent alkyl having 1-2 carbon atoms, and R.sub.4 represents alkyl having 1-3 carbon atoms, e.g., 1-(p-chlorophenyl)-2,3-dihydro-1,3-dimethyl-3,1-benzazasilin-4(1H)-one, are prepared from the appropriate lithiated N-alkyl benzamide and a halomethyl halosilane and are useful as antiobesity agents or sleep inducers.
公式为##STR1##其中R.sub.1代表H或1-5个碳原子的烷基,R.sub.2代表1-5个碳原子的烷基,R.sub.3代表1-5个碳原子的烷基或##STR2##其中R.sub.5代表H、1-5个碳原子的烷基、原子量为19-36的卤素、1-5个碳原子的烷氧基或##STR3##其中R.sub.6和R.sub.7各自独立地表示具有1-2个碳原子的烷基,而R.sub.4表示具有1-3个碳原子的烷基,例如1-(对氯苯基)-2,3-二氢-1,3-二甲基-3,1-苯并氮硅杂环-4(1H)-酮,可以通过适当的锂化N-烷基苯甲酰胺和卤甲基卤硅烷制备,用作抗肥胖剂或催眠剂。