400868-94-2Relevant academic research and scientific papers
A regioselective addition of nucleophiles to monocyclic 1,2-thiazinylium perchlorate: A novel precursor of 6-substituted 1,2-thiazines
Shimizu, Hiroshi,Okada, Naoyuki,Yoshimatsu, Mitsuhiro
, p. 8965 - 8969 (2007/10/03)
The nucleophilic addition reactions of 4,5-diphenyl-1,2-thiazinylium perchlorate 1 regioselectively proceeded to give 6-alkoxy-3a-c and 6-alkyl-1,2-thiazines 3e-f, 4f, 3i-j in good to high yields. The Friedel-Crafts type reaction with arenes also afforded 6-aryl adducts 6a-c.
