tert-Butyl nitrite induced radical dimerization of primary thioamides and selenoamides at room temperature

[Display omitted] •Dimerization of thioamides and seleoamides was achieved with tert-butyl nitrite.•Reaction proceeds under catalyst and metal free conditions at room temperature.•Reaction proceeds through radical mechanism.•Easy operation, broad substrate scope and efficient conversion are the adva...

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Published inTetrahedron letters Vol. 59; no. 3; pp. 272 - 276
Main Authors Chauhan, Swati, Chaudhary, Priyanka, Singh, Adesh Kumar, Verma, Pratibha, Srivastava, Vandana, Kandasamy, Jeyakumar
Format Journal Article
LanguageEnglish
Published OXFORD Elsevier Ltd 17.01.2018
Elsevier
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Abstract [Display omitted] •Dimerization of thioamides and seleoamides was achieved with tert-butyl nitrite.•Reaction proceeds under catalyst and metal free conditions at room temperature.•Reaction proceeds through radical mechanism.•Easy operation, broad substrate scope and efficient conversion are the advantages. A simple and efficient method for the dimerization of primary thioamides into 1,2,4-thiadiazoles using tert-butyl nitrite is described. The optimized condition was also found to be suitable for the dimerization of benzoselenoamides into 1,2,4-selenadiazoles. All the reactions proceed smoothly at room temperature and gave the desired products in excellent yields in a short span of time.
AbstractList [Display omitted] •Dimerization of thioamides and seleoamides was achieved with tert-butyl nitrite.•Reaction proceeds under catalyst and metal free conditions at room temperature.•Reaction proceeds through radical mechanism.•Easy operation, broad substrate scope and efficient conversion are the advantages. A simple and efficient method for the dimerization of primary thioamides into 1,2,4-thiadiazoles using tert-butyl nitrite is described. The optimized condition was also found to be suitable for the dimerization of benzoselenoamides into 1,2,4-selenadiazoles. All the reactions proceed smoothly at room temperature and gave the desired products in excellent yields in a short span of time.
A simple and efficient method for the dimerization of primary thioamides into 1,2,4-thiadiazoles using tert-butyl nitrite is described. The optimized condition was also found to be suitable for the dimerization of benzoselenoamides into 1,2,4-selenadiazoles. All the reactions proceed smoothly at room temperature and gave the desired products in excellent yields in a short span of time. (C) 2017 Elsevier Ltd. All rights reserved.
A simple and efficient method for the dimerization of primary thioamides into 1,2,4-thiadiazoles using tert-butyl nitrite is described. The optimized condition was also found to be suitable for the dimerization of benzoselenoamides into 1,2,4-selenadiazoles. All the reactions proceed smoothly at room temperature and gave the desired products in excellent yields in a short span of time.
Author Singh, Adesh Kumar
Srivastava, Vandana
Chauhan, Swati
Chaudhary, Priyanka
Verma, Pratibha
Kandasamy, Jeyakumar
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Issue 3
Keywords Thiadiazoles
tert-Butyl nitrite
Green chemistry
Thiobenzamides
Dimerization
OXIDATIVE DIMERIZATION
BOND-CLEAVAGE
ARYLBORONIC ACIDS
MEDICINAL CHEMISTRY
3,5-DISUBSTITUTED 1,2,4-THIADIAZOLES
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Snippet [Display omitted] •Dimerization of thioamides and seleoamides was achieved with tert-butyl nitrite.•Reaction proceeds under catalyst and metal free conditions...
A simple and efficient method for the dimerization of primary thioamides into 1,2,4-thiadiazoles using tert-butyl nitrite is described. The optimized condition...
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SubjectTerms ambient temperature
chemical structure
Chemistry
Chemistry, Organic
Dimerization
Green chemistry
nitrites
Physical Sciences
Science & Technology
tert-Butyl nitrite
Thiadiazoles
thioamides
Thiobenzamides
Title tert-Butyl nitrite induced radical dimerization of primary thioamides and selenoamides at room temperature
URI https://dx.doi.org/10.1016/j.tetlet.2017.12.033
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Volume 59
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