Formation of 2,3-bis(methoxycarbonyl)-1,4-benzodithiins by reaction of 1,4,2-benzodithiazines with dimethyl acetylenedicarboxylate
- 1 January 1982
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 11,p. 612-613
- https://doi.org/10.1039/c39820000612
Abstract
1,4,2-Benzodithiazines reacted with dimethyl acetylenedicarboxylate in boiling o-dichlorobenzene to give 2,3-bis(methoxycarbonyl)-1,4-benzodithiins in good yields with elemination of hydrogen cyanide or a nitrile.Keywords
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