Research on Chemical Intermediates p. 2479 - 2489 (2012)
Update date:2022-08-17
Topics:
Manidhar
K. Uma Maheswara Rao
C. Suresh Reddy
Ch. Syamasunder
Adeppa
Misra, Krishna
A convenient procedure has been developed for preparation of aminesubstituted or monomethylamine-substituted alkyl/arylurea derivatives. The method comprises two steps-reaction of an alkyl/aryl amine with chlorocarbonylsulfenyl chloride in a non-polar solvent to produce an alkyl/arylcarbonylsulfenyl chloride, then reaction of this alkyl/ arylcarbonylsulfenyl chloride with ammonia or monomethylamine in a two-phase reaction with a phase-transfer catalyst, to produce the corresponding alkyl/aryl-substituted urea. Springer Science+Business Media B.V. 2012.
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