Phenylsulfonyl isocyanate (I) and p-toluenesulfonyl isocyanate (11) reacted with triphenylmethanol and with triphenylmethanols containing phenyl, methyl, methoxyl, and chloro ring substituents to afford N-(triarylmethy1) sulfonamides (111) and carbon dioxide. p, p', p"-Trinitrotriphenylmethanol (V) and I1 gave p, p', p"-trinitrotriphenylmethyl p- tolylsulfonylurethan (VI). Phenyl isocyanate (2 moles) combined with 1 mole of ...
[Fischer,O.; Hess Chemische Berichte, 1905 , vol. 38, p. 337 Full Text Show Details Fischer,O.; Schmidt,G. Chem. Zentralbl., 1904 , vol. 75, # I p. 460]