申请人:HOECHST UK LIMITED
公开号:EP0159533A2
公开(公告)日:1985-10-30
Compounds of formula I
are valuable H-2 antagonists; R represents hydrogen, alkyl, phenyl or phenalkyl; W and Z represent groups E-(CH2)n-X-(CH2)m-NH with E being phenyl, imidazolyl, thiazolyl, furyl, thienyl or pyridyl; or W or Z is hydrogen, alkyl, phenyl, O-alkyl, NR4R5 (R4/R5 are hydrogen, alkyl or phenyl); X is O or S; n is 0 or 1, m is 2, 3 or 3.
Moreover compounds XXXI are described
in which R31/R32 are H, alkyl, cycloalkyl, phenyl, phenylkyl or part of 4-to 7-membered ring: L3/L4 are X-(alkyl-phenyl, -phenalkyl), compounds XXXI are versatile intermediates for the production of i.a. compounds I.
ComDounds XXXV
with R42/R43 being hydrogen, alkyl, phenyl, phenyalkyl are also versatile intermediates inter alia for the preparation of compounds I.
Processes for the preparation of these compounds are disclosed as well.
式 I 的化合物
是有价值的 H-2 拮抗剂;R 代表氢、烷基、苯基或苯烷基;W 和 Z 代表基团 E-(CH2)n-X-(CH2)m-NH,其中 E 是苯基、咪唑基、噻唑基、呋喃基、噻吩基或吡啶基;或者 W 或 Z 是氢、烷基、苯基、O-烷基、NR4R5(R4/R5 是氢、烷基或苯基);X 是 O 或 S;n 是 0 或 1,m 是 2、3 或 3。
此外还描述了化合物 XXXI
其中 R31/R32 是氢、烷基、环烷基、苯基、苯基烷基或 4 至 7 元环的一部分:化合物 XXXI 是生产 I.a.化合物的通用中间体。
化合物 XXXV
R42/R43为氢、烷基、苯基、苯烷基的化合物 XXXV 也是制备化合物 I 的通用中间体。
这些化合物的制备工艺也已公开。