反应详情

Following the procedure described in Example 43, 120 mg of isomer B of t-butyl α-[6-(1-butoxycarbonyl-3-phenylpropylamino)-5-oxo-2-(2-thienyl)perhydro-1,4-thiazepin-4-yl]acetate (prepared as described in Example 52) were de-t-butylated using trifluoroacetic acid, to afford 75 mg of the title compound as a powder.