Reaction between 2,2′ -dithiodianiline and acetylenic ketones or esters. A new synthesis of 4H-1,4-benzothiazines
✍ Scribed by Gaetano Liso; Giuseppe Trapani; Vincenza Berardi; Paolo Marchini
- Book ID
- 112125956
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1980
- Tongue
- English
- Weight
- 138 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0022-152X
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## Abstract magnified image A new simple synthetic approach to 2,4‐difuryl‐4__H__‐3,1‐benzothiazines from 2‐isothiocyanoaryldifuryl‐methanes in the presence of acidic catalyst is described. This rearrangement is a new example of furan ring migration reaction resulting from intramolecular attack wi