摘要:
New imidazotriazolopyrimidine derivatives of the formula Preferred are those compounds wherein: R1 denotes methyl, which is optionally substituted by phenyloxy or pyrrole; or R1 denotes benzyl which is optionally substituted by hydroxy, methoxy, dimethylaminoethoxy or fluorine; or R1 denotes cyclopentyl, furan or phenylethyl; R2 or R3 denote ethyl, n-propyl, allyl or propargyl; R4 or R6 denote hydrogen; and, R5 denotes methyl, n-propyl, tert.butyl, cyclopentyl or norbornenyl. These are adenosine antagonists are are useful for, inter alia, the treatment of senile dementia of the Alzheimer's type.
摘要翻译:式的新咪唑并三唑并嘧啶衍生物优选的是其中:R 1表示甲基,其任选被苯氧基或吡咯取代; 或R 1表示任选被羟基,甲氧基,二甲基氨基乙氧基或氟取代的苄基; 或R 1表示环戊基,呋喃或苯乙基; R 2或R 3表示乙基,正丙基,烯丙基或炔丙基; R 4或R 6表示氢; R5表示甲基,正丙基,叔丁基,环戊基或降冰片烯基。这些腺苷拮抗剂尤其可用于治疗老年痴呆症的老年痴呆症。
摘要:
The invention relates to the use of tricyclic nitrogen heterocycles of general formula I as pharmaceutical compositions with an inhibitory effect on PDE IV, wherein the groups R1, R2 and R3 have the meanings given in the specification and claims.
摘要:
The invention relates to new diazephines of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are as defined herein, processes for preparing them and their use as pharmaceutical compositions useful for treating PAF-induced disease.