申请人:Lilly Industries Limited
公开号:EP0132124A1
公开(公告)日:1985-01-23
Compounds of formula
wherein R,, R2 and R3 are each independently selected from H, OH, C1-C4alkyl, R4-CO and halogen, where R. is C1-C4alkyl; R5 and R. are each independently selected from H, C1-C4alkyl and optionally-substituted phenyl; R7 is an alkylene group having from 1 to 4 carbon atoms, optionally containing a substituted or unsubstituted phenyl group; p or 0 or 1; and Z is a 1H-tetrazol-5-yl or a -CN group; and salts thereof, may be prepared by reacting a compound of formula.
with a compound of formula
wherein R1-R7 are as defined in claim 1, in an organic solvent at a temperature in the range of 40-120°C in the presence of a base, and reacting the resulting compound with an alkali metal cyanide orthiocyanate, and optionally reacting the resulting compound with a source of azide ions to produce pharmacologically active compounds of formula I wherein Z is 1H-tetrazol-5-yl.
式中的化合物
其中 R、R2 和 R3 各自独立地选自 H、OH、C1-C4 烷基、R4-CO 和卤素,其中 R. 是 C1-C4 烷基;R5 和 R. 各自独立地选自 H、C1-C4 烷基和任选取代的苯基;R7 是具有 1 至 4 个碳原子的亚烷基,任选含有取代或未取代的苯基;p 或 0 或 1;以及 Z 是 1H-四唑-5-基或 -CN;及其盐可通过将式.A.化合物与式.B.化合物反应制备。
与式
其中 R1-R7 如权利要求 1 中所定义,在有机溶剂中,在碱存在下,在 40-120°C 的温度范围内,使所得化合物与碱金属氰化物原氰酸酯反应,并任选使所得化合物与叠氮离子源反应,以制得式 I 的药理活性化合物,其中 Z 为 1H-四唑-5-基。