Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5268153 | Tetrahedron Letters | 2011 | 4 Pages |
Abstract
Reaction of 3-formylchromones with 2-aryl-4-hydroxy-6H-1,3-thiazin-6-ones in the presence of pyridine leads to formation of a mixture of novel N-thioaroyl-5-hydroxy-2H,5H-pyrano[3,2-Ñ]chromen-2-one-3-carboxamides and 2-aryl-5-(4â²-oxochromen-3â²-yl)-6,7-dihydro-4H,5H-pyrano[2,3-d][1,3]thiazine-4,7-diones. The yields of these compounds clearly depend on the nature of the substituent on the 3-formylchromone and on the reaction conditions.
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Related Topics
Physical Sciences and Engineering
Chemistry
Organic Chemistry
Authors
Roman V. Shutov, Elizaveta V. Kuklina, Boris A. Ivin,