Base catalyzed reaction of 1,4-dithiane-2,5-diol with α-oxoketene dithioacetals: a new general method for the synthesis of 2-methylthio-3-aroyl/heteroaroyl thiophenes
- Pradeepa Kumara, C. S.
- Byre Gowda, G.
- Vinay Kumar, K. S.
- Ramesh, N.
- Sadashiva, M. P.
- Junjappa, H.
Publication date
January 2016
DOI Publisher
Elsevier BV ISSN
0040-4039 Citation count (estimate)
2Abstract
The α-oxoketene dithioacetals and 1,4-dithiane-2,5-diol a dimer of mercapto acetaldehyde, react in the presence of anhydrous potassium carbonate in boiling ethanol to yield the corresponding 2-(methylthio)-3-aroyl/heteroaroyl thiophenes in 55–70 overall yields
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