Chemistry letters

Reaction of ortho-Azidohetarenecarbaldehydes with bis (Trimethylsilyl) sulfide. A Novel Route to Fused Isothiazoles.

A Degl'innocenti, M Funicello, P Scafato, P Spagnolo

Index: Degl'innocenti, Alessandro; Funicello, Maria; Scafato, Patrizia; Spagnolo, Piero Chemistry Letters, 1994 , # 10 p. 1873 - 1876

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Abstract

o-Azidohetarenecarbaldehydes react with bis (trimethylsilyl) sulfide and hydrochloric acid to give fused isothiazoles in yields strongly dependent upon the nature of the heteroaromatic ring through intramolecular cyclization reaction of presumable intermediate o- azidocarbothialdehydes.