Contributions to benzothiopyran chemistry
A series of 2,3-dihydro-4H-[1]benzothiopyran-4-ones has been prepared by the cyclocondensation of a thiophenol with cz,13-unsaturated carboxylic acids in methanesuiphonic acid and selectively oxidised to their 1-oxides and 1,1-dioxides. Reduction and dehydration of the resulting benzothiopyran-4-ols...
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University of Central Lancashire
1992
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315441 |