cas 40531-91-7, Benzeneethanethioamide, N,N-dimethyl-a-oxo-

Articles about 40531-91-7Total 8 be found

The thioamidation ofgem-dibromoalkenes in an aqueous medium
The direct integration of sulphur and amine groups with 1,1-dibromoalkenes for thioamide synthesis has been achieved in an aqueous medium. The presented green protocol emphasizes the suitability of aqueous media for the thioamidation reaction and enables greater selectivity with synthetic utility. A wide range of thioamides in moderate to excellent yields has been achieved using readily available starting materials, with the use of no organic solvents, catalysts, or additives.
Vankar, Jigarkumar K.,Gupta, Ankush,Jadav, Jaydeepbhai P.,Nanjegowda, Shankara H.,Gururaja, Guddeangadi N.
p. 2473 - 2480
(2021/04/02)

Synthesis of α-Keto Thioamides by Metal-Free C-C Bond Cleavage in Enaminones Using Elemental Sulfur
An unprecedented method for cleaving the C-C bond in N,N-disubstituted enaminones in the presence of elemental sulfur and N,N-dimethyl-4-aminopyridine is disclosed. Without using any metal catalyst or additive, the cascade functionalization of both C?C an
Gan, Lu,Gao, Yong,Wei, Li,Wan, Jie-Ping
p. 1064 - 1069
(2019/01/24)

Barbier Continuous Flow Preparation and Reactions of Carbamoyllithiums for Nucleophilic Amidation
An ambient temperature continuous flow method for nucleophilic amidation and thioamidation is described. Deprotonation of formamides by lithium diisopropylamine (LDA) affords carbamoyllithium intermediates that are quenched in situ with various electrophi
Ganiek, Maximilian A.,Becker, Matthias R.,Berionni, Guillaume,Zipse, Hendrik,Knochel, Paul
supporting information
p. 10280 - 10284
(2017/08/07)

Na2S-mediated thionation: An efficient access to secondary and tertiary α-ketothioamides via Willgerodt-Kindler reaction of readily available arylglyoxals with amines
The task of this paper is to provide an efficient process for synthesis of secondary and tertiary α-ketothioamides via Willgerodt-Kindler reaction of readily available arylglyoxals with amines using Na2S as an effective catalyst. A plausible role for Na2S in the reaction of arylglyoxals with primary amines is proposed.
Saeidian, Hamid,Vahdati-Khajehi, Saleh,Bazghosha, Homeira,Mirjafary, Zohreh
p. 700 - 710
(2015/10/19)

Summary - α-Thioxothioamides : [4 + 2] cycloaddition reactions with dimethyl acetylenedicarboxylate and methyl propiolate
The title compounds are prepared from methyl ketones through a three-step reaction: chloration with thionyl chloride; amination of the resulting α-chloro-β-oxosulfenyl chlorides; and thionation of α-oxothioamides with Lawesson's reagent. Two competitive h
Marchand, Evelyne,Morel, Georges
p. 903 - 912
(2007/10/03)

α-Oxo- and α-Thioxothioamides from Methyl Ketones
Mixtures of α-(chloro)sulfenyl chlorides 5 and trisulfides 6 are obtained from the reaction of thionyl chloride with methyl ketones in the presence of pyridine.From these mixtures as well as from the pure trisulfides 6, with amines the α-oxothioamides 1-4
Adiwidjaja, Gunadi,Guenther, Horst,Voss, Juergen
p. 1116 - 1132
(2007/10/02)

Entstehen bei der Reaktion von Methylketonen mit Thionylchlorid α-Oxo-thiocarbonsaeurechloride?
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Adiwidjaja, Gunadi,Guenther, Horst,Voss, Juergen
p. 559 - 561
(2007/10/02)