Organosilicon chemistry. Part X. The reaction of diazomethyltrimethylsilane with trifluoroacetonitrile and cyanogen halides to give triazoles
- 1 January 1973
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 5,p. 483-486
- https://doi.org/10.1039/dt9730000483
Abstract
Reaction of diazomethyltrimethylsilane with trifluoroacetonitrile at room temperature gives 4-trifluoromethyl-2-trimethylsilyl-1,2,3-triazole in high yield, while reaction with cyanogen chloride or cyanogen bromide yields mixtures of the 4-halogeno-2-trimethylsilyl-1,2,3-triazole and an isomeric product, probably the 2-halogeno-2-(N-trimethylsilylimino)diazoethane. Hydrolysis of the 1 : 1 adducts gives, in each case, the corresponding 4-substituted-1,2,3-triazole in good yield.Keywords
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