申请人:ICN Pharmaceuticals, Inc.
公开号:US04093617A1
公开(公告)日:1978-06-06
3,5,7-Trisubstituted pyrazolo[1,5-a]pyrimidines are disclosed of the general formula ##STR1## wherein R.sub.1 is CF.sub.3 or C.sub.1 -C.sub.9 alkyl; R.sub.2 is CF.sub.3 or C.sub.1 -C.sub.9 alkyl; and R.sub.3 is halogen. Such compounds are useful as inhibitors of 3',5'-cyclic AMP phosphodiesterase enzyme.
本发明公开了一种3,5,7-三取代吡唑并[1,5-a]嘧啶的化合物,其一般式为##STR1##其中R.sub.1是CF.sub.3或C.sub.1-C.sub.9烷基;R.sub.2是CF.sub.3或C.sub.1-C.sub.9烷基;R.sub.3是卤素。这些化合物可用作3',5'-环磷酸腺苷磷酸二酯酶的抑制剂。