78600-49-4Relevant articles and documents
Non-stereospecific Ring Expansion Reactions of Benzothiazoline Sulfoxides
Shimizu, Hiroshi,Ueda, Norihiro,Kataoka, Tadashi,Hori, Mikio
, p. 2571 - 2590 (2007/10/02)
The stereochemistry of novel ring expansion of benzothiazoline sulfoxides to benzothiazines by reaction with acetic anhydride was examined.Reaction of trans-3-acetyl-2-ethyl-2-methylbenzothiazoline 1-oxide with acetic anhydride afforded 4-acetyl-3-ethylid