- 4-Dodecylbenzenesulfonic acid (DBSA) promoted solvent-free diversity-oriented synthesis of primary carbamates, S-thiocarbamates and ureas
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A simple and highly efficient solvent-free method for the conversion of alcohols, phenols, thiols and amines to primary carbamates, S-thiocarbamates and ureas in the presence of 4-dodecylbenzenesulfonic acid (DBSA) as a cheap and green Bronsted acid reagent has been described. All products were obtained in good to excellent yields and characterized using FT-IR, 1H- and 13C-NMR, MS and CHNS techniques.
- Sardarian, Ali Reza,Inaloo, Iman Dindarloo
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p. 76626 - 76641
(2015/09/22)
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- Synthesis of S-alkyl and S-aryl thiocarbamates, one-pot two-step general synthesis
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A method for preparing S-alkyl and S-aryl thiocarbamates comprising reacting a precursor thiol reagent with trichloroacetyl chloride to produce an S-alkyl and S-aryl trichloroacetyl thioester intermediate, which is reacted with an amine to yield the corre
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Page column 8
(2010/02/05)
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