反应详情

In the same manner as in Reference Example 12, methyl 7-chloro-3-oxo-4-[3-(4-phenylpiperazin-1-yl)propyl]-3,4-dihydro-2H-1,5-benzoxathiepine-4-carboxylate was reduced with sodium borohydride to give cis-isomer and trans-isomer of methyl 7-chloro-3-hydroxy-4-[3-(4-phenylpiperazin-1-yl)propyl]-3,4-dihydro-2H-1,5-benzoxathiepine-4-carboxylate. Trans-isomer