| abstract |
(57) [Summary] (Revised) [Objective] To provide a biphenyloxazoline derivative which is a substituent precursor of an angiotensin II receptor antagonist useful as an antihypertensive agent, a therapeutic agent for vascular lesions and the like. A biphenyloxazolidine derivative having the general formula (I), a process for producing the same, an intermediate useful for producing the compound of the formula (I), and a process for producing the intermediates. [Wherein R 1 is a hydroxyl group, a lower alkylsulfonyloxy group, It means an arylsulfonyloxy group or a halogen atom. ] |