申请人:Boehringer Mannheim Italia S.p.A.
公开号:US05206254A1
公开(公告)日:1993-04-27
This application relates to compounds of formula I; ##STR1## wherein R is hydrogen, a linear or branched C.sub.1 -C.sub.4 -alkyl, allyl or propargyl; X is O, CH.sub.2 or S; R.sub.1 is --(CH.sub.2).sub.n Ra, hydroxy, --O--(CH.sub.2).sub.n Ra, --NRbRc or --NH c(CH.sub.2).sub.m --NRbRc; Ra is hydrogen, a linear or branched C.sub.1 -CH.sub.4 -alkyl, phenyl, p-methoxy-phenyl, 3,4,5-trimethoxyphenyl, B-pyryidyl, cyclopentyl or cyclohexyl; Rb and Rc, can be the same or different and are selected independently in the group of hydrogen, linear or branched C.sub.1 -C.sub.4 -alkyl, cyclohexyl, cyclopentyl, benzyl, hexahydrobenzyl, .alpha.,.beta. or .gamma.-pyridylmethyl; or Rb and Rc taken together with the N atom to which they are bound can form a morpholino, piperidino or piperazino residue of formula Rd--N(CH.sub.2 --CH.sub.2).sub.2 --N-- wherein Rd is hydrogen, linear or branched C.sub.1 -C.sub.4 -alkyl, benzyl, hexahydrobenzyl, (C.sub.6 H.sub.5).sub.2 CH--, (p--F--C.sub.6 H.sub.4).sub.2 CH or B-pyridylmethyl; n is zero or an integer from 1 to 3 and m is 2 or 3; and a process for the preparation thereof.
该应用涉及公式I的化合物;##STR1## 其中R为氢,直链或支链C.sub.1-C.sub.4-烷基,烯丙基或丙炔基;X为O,CH.sub.2或S;R.sub.1为--(CH.sub.2).sub.n Ra,羟基,--O--(CH.sub.2).sub.n Ra,--NRbRc或--NHc(CH.sub.2).sub.m--NRbRc;Ra为氢,直链或支链C.sub.1-CH.sub.4-烷基,苯基,对甲氧基苯基,3,4,5-三甲氧基苯基,B-吡啶基,环戊基或环己基;Rb和Rc可以相同也可以不同,并且在氢,直链或支链C.sub.1-C.sub.4-烷基,环己基,环戊基,苄基,六氢苄基,α、β或γ-吡啶基甲基中独立选择;或者Rb和Rc与它们所结合的N原子一起可以形成公式Rd--N(CH.sub.2--CH.sub.2).sub.2--N--的吗啡啶基,哌啶基或哌嗪基残基;其中Rd为氢,直链或支链C.sub.1-C.sub.4-烷基,苄基,六氢苄基,(C.sub.6H.sub.5).sub.2CH--,(对-氟-C.sub.6H.sub.4).sub.2CH或B-吡啶基甲基;n为零或1至3的整数,m为2或3;以及其制备方法。