反应详情

Following the procedure described in Example 42(g), 1.1 g of t-butyl α-[5-oxo-6-phthalimido-2-(2-thienyl)perhydro-1,4-thiazepin-4-yl]acetate [prepared as described in step (f) above] was dephthaloylized with methylhydrazine, to afford 0.52 g of the title compound as a crystalline powder, melting at 84°-86.5° C.