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Photochemical reactions of 3-acyl-2-thiotetrahydro-1,3-thiazines; a new synthesis of cepham analogues

✍ Scribed by Masami Sakamoto; Hiromu Aoyama; Yoshimori Omote

No coin nor oath required. For personal study only.

✦ Synopsis

Photolysis of 3-acyl-2-thiotetrahydro-1,3_thiazines followed by acetylation gave bicyclic B-lactams accompanied by Type II cleavage products.

High temperature photolysis of them gave 2,9-dithia-6-azabicyclo[4,3,Olnonan-

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