申请人:Sandoz, Inc.
公开号:US03963713A1
公开(公告)日:1976-06-15
5,5,7,7-tetramethyl-3-substituted or unsubstituted-phenylfuro[3,4-e]-as-triazines and corresponding 4-oxides, e.g., 5,7-dihydro-5,5,7,7-tetramethyl-3-phenylfuro[3,4-e]-as-triazine and 5,7-dihydro-5,5,7,7-tetramethyl-3-phenylfuro[3,4-e]-as-triazine-4-oxide, are prepared from 2,2,5,5-tetramethyl-3,4(2H,5H)-furandione-3-hydrazone-4-oximes and are useful as sleep inducers and minor tranquilizers.
5,5,7,7-四甲基-3-取代或未取代苯基呋喃[3,4-e]-嘧啶和相应的4-氧化物,例如5,7-二氢-5,5,7,7-四甲基-3-苯基呋喃[3,4-e]-嘧啶和5,7-二氢-5,5,7,7-四甲基-3-苯基呋喃[3,4-e]-嘧啶-4-氧化物,可从2,2,5,5-四甲基-3,4(2H,5H)-呋喃二酮-3-肼酮-4-氧化物制备,并可用作催眠剂和轻度镇定剂。