申请人:BioCryst Pharmaceuticals, Inc.
公开号:US05721240A1
公开(公告)日:1998-02-24
The specification discloses the compounds of formula I ##STR1## wherein (a) --CH.sub.2 Ar represents ##STR2## in which R.sub.1 represents hydrogen, halogen, C.sub.1 -C.sub.3 -alkyl, C.sub.1 -C.sub.3 -alkoxy, benzyloxy, hydroxy or trifluoromethyl; and R.sub.2 represents hydrogen, halogen, C.sub.1 -C.sub.3 -alkyl, C.sub.1 -C.sub.3 -alkoxy, benzyloxy, hydroxy or trifluoromethyl; provided that R.sub.2 represents hydrogen or C.sub.1 -C.sub.3 -alkyl if R.sub.1 represents trifluoromethyl, or that R.sub.1 represents hydrogen or C.sub.1 -C.sub.3 -alkyl if R.sub.2 represents trifluoromethyl; or (b) --CH.sub.2 Ar represents ##STR3## in which X represents sulfur or oxygen and in which attachment to the thiophene or furan ring is at the 2- or 3-position; and tautomers thereof; as purine nucleoside phosphorylase inhibitors.
该规范披露了公式I的化合物,其中(a) -CH.sub.2 Ar代表##STR2##其中R.sub.1代表氢,卤素,C.sub.1-C.sub.3-烷基,C.sub.1-C.sub.3-烷氧基,苄氧基,羟基或三氟甲基;而R.sub.2代表氢,卤素,C.sub.1-C.sub.3-烷基,C.sub.1-C.sub.3-烷氧基,苄氧基,羟基或三氟甲基;前提是如果R.sub.1代表三氟甲基,则R.sub.2代表氢或C.sub.1-C.sub.3-烷基,如果R.sub.2代表三氟甲基,则R.sub.1代表氢或C.sub.1-C.sub.3-烷基;或(b) -CH.sub.2 Ar代表##STR3##其中X代表硫或氧,并且附着于噻吩或呋喃环的位置为2-或3-位置;以及它们的互变异构体,作为嘌呤核苷酸磷酸化酶抑制剂。