Photochemical reactions of 3-acyl-2-thiotetrahydro-1,3-thiazines; a new synthesis of cepham analogues
作者:Masami Sakamoto、Hiromu Aoyama、Yoshimori Omote
DOI:10.1016/s0040-4039(00)84252-5
日期:1986.1
bicyclic β-lactams accompanied by Type II cleavage products. High temperature photolysis of them gave 2,9-dithia-6-azabicyclo[4,3,0]nonan-7-ones involving α-cleavage reactions of thioxo-β-lactams which were produced by ring opening reactions of thiazine rings of β-lactams.