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Synlett 1991; 1991(2): 93-94
DOI: 10.1055/s-1991-20638
DOI: 10.1055/s-1991-20638
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© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved.
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or duplication of any kind, translating, preparation of microfilms, and electronic
data processing and storage.[4+2] Cycloaddition of 1-Thia-3-azadienes with Nitriles: An Efficient, One-Pot Synthesis of 3,4-Dihydro-1,3,5-2H-thiadiazine Derivatives from Trimethylsilyl Imines
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Publikationsverlauf
Publikationsdatum:
07. März 2002 (online)

4-(Phenyl/2-thienyl)-2-[N-(4-chlorophenyl/phenyl)-N-trimethylsilylamino]-1-thia-3-azabutadienes, formed on reaction of N-trimethylsilyl imines 1 with isothiocyanates, react with electron-deficient nitriles to give substituted 2-imino-3,4-dihydro-1,3,5-2H-thiadiazine derivatives 3 in excellent yield.