Novel 1,5-benzothiazepine derivatives having the formula:
wherein R,, R2 and R3 each denotes hydrogen, a halogen, a lower alkyl group, a lower alkoxy group or a hydroxy group; R4 denotes a lower alkyl group, an allyl group, a lower alkoxyalkyl group, a lower alkyl group substituted with a hydroxy group or a halogen, a lower alkylaminoalkyl group or a morpholino lower alkyl group; X denotes a halogen or hydrogen, are produced from corresponding 1,4-benzothiazine by a ring expansion reaction with trimethylhalosilane, hydrogen peroxide and water. The derivatives have analgesic, antipyretic and antiarrhythmic activities.
新型 1,5-苯并
硫氮杂卓衍
生物具有以下式子:其中 R,、R2 和 R3 分别表示氢、卤素、低级烷基、低级烷氧基或羟基;R4 表示低级烷基、烯丙基、低级烷氧基烷基、被羟基或卤素取代的低级烷基、低级烷
氨基烷基或吗啉低级烷基;X 表示卤素或氢。 这些衍
生物具有镇痛、解热和抗心律失常活性。