The Chemistry of o-Phenylene Di-isothiocyanate. Part 1. Some Reactions with N-Nucleophiles
Reactions of o-phenylene di-isothiocyanate are described with a variety of nitrogen nucleophiles.Primary and secondary amines and also substituted hydrazines give 1:1 reaction products, 1-substituted thiocarbamoyl benzimidazoline-2-thiones.Hydrazine gives a 2:1 reaction product, to be regarded as a hydrazine salt.The products from primary amines are relatively unstable, yielding isothiocyanates and benzimidazoline-2-thione.Some Schiff bases and derivatives of isoquinoline give rise to thiadiazinobenzimidazoles.
Griffiths, David,Hull, Roy,Seden, Timothy P.
p. 1240 - 1244
(2007/10/02)
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