Monatshefte fur Chemie p. 895 - 899 (2011)
Update date:2022-08-03
Topics:
Deligeorgiev, Todor G.
Kaloyanova, Stefka S.
Lesev, Nedyalko Y.
Vaquero, Juan J.
An improved environmentally benign procedure for the synthesis of substituted 2-thio-benzothia(oxa)zoles, 2-thiobenzimidazoles, and 1,3-oxazolopyridine-2-thiols by cyclization of 2-aminophenols, 2-aminothiophenols, 1,2-phenylenediamines, or 2-amino-3-hydroxypyridines with potassium O-ethyldithiocarbonate in PEG 400 or glycerol under directed microwave irradiation is described. The method can be applied to the synthesis of a variety of derivatives. Springer-Verlag 2011.
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