Sythesis of Heteroaromatic Ketene Dithioacetals
- 1 January 1990
- journal article
- research article
- Published by Georg Thieme Verlag KG in Synthesis
- Vol. 1990 (11) , 991-992
- https://doi.org/10.1055/s-1990-27071
Abstract
Reaction of 2-methylpyridine with, successively, lithium diisopropylamide, carbon disulphide, and 1,2-dibromoethane or 1,3-dibromopropane, gives 2-(2-pyridylmethylene)dithiolane or 2-(2-pyridylmethylene)dithiane. Analogous reactions of 2-methylpyrazine, 2-methylquinoline, 2,6-dimethylpyridine and 2,3-dimethylpyrazine are reported.Keywords
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