Adenosine derivatives

摘要

Adenosine derivatives of the general formula: <IMAGE> wherein R1 is a group of the formula: <IMAGE> in which R5 and R6 are each hydrogen, alkoxy or arylthio and R7 is hydrogen or halogen, or a group of the formula: <IMAGE> and R2, R3 and R4 are each hydrogen or alkanoyl, and pharmaceutically acceptable salt thereof. These derivatives and salts thereof are useful as antihypertensives, bradycardiacs, etc. The method of production thereof and pharmaceutical compositions based on those adenosine derivatives or salts are also described.