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Heterocyclic Vinyl Ethers. XII. The Synthesis of Arylmercaptoacetylenes and a New Cleavage Reaction of Benzo-1,4-dithiadiene 1,2

✍ Scribed by Parham, William E.; Stright, Paul L.

Book ID
126946992
Publisher
American Chemical Society
Year
1956
Tongue
English
Weight
663 KB
Volume
78
Category
Article
ISSN
0002-7863

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## Abstract The first synthesis of substituted 2,2‐dioxo‐1‐phenyl‐1__H__‐thieno[3,4‐__c__][1,2]thiazines 2 and some of their reactions are achieved. Compounds 2 were prepared from the 3,5‐dimethyl‐1,1‐dioxo‐1,2‐thiazine‐4‐carbaldehydes 1 by reaction with sulfur and triethyl amine in dimethylformami