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Preparation of 6-aminocyclohepta-2,4-dien-1-one Derivatives via Tricarbonyltroponeiron
Published on: August 12, 2019
Facile access to S-aryl/alkyl dithiocarbamates via a three-component reaction under metal-free conditions
Lin-Lin Xu1, Si-Ran Wang1, Jia-Qi Sun1
1National Engineering Research Center of Pesticide, College of Chemistry, Nankai University, Tianjin 300071, China. xudazhen@nankai.edu.cn.
Abstract:
The development of facile and convenient atom-economical methods for the preparation of organosulfur compounds from CS2 is a challenging endeavor. Herein, a one-pot, environmentally friendly method to access S-aryl/alkyl dithiocarbamates has been demonstrated by a three-component coupling involving aryl/alkyl thiols, CS2 and amines in the presence of a common base K2CO3. The transformation process can proceed in an H2O-DMAc (3 : 1) mixed solvent without requiring any catalysts or extensive prefunctionalization of reactants. The protocol is operationally simple and affords dithiocarbamates with various moieties (including aryl, aliphatic, heteroaryl and alkenyl) in good yields.
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