Tetrahedron

Studies on triacetic acid lactone-annulated heterocycles: synthesis of 3-aryloxyacetyl-6-methyl-2, 3-dihydrothieno [3, 2-c] pyran-4-ones by tandem cyclization

KC Majumdar, UK Kundu, S Ghosh

文献索引：Majumdar; Kundu; Ghosh Tetrahedron, 2002 , vol. 58, # 52 p. 10309 - 10313

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被引用次数: 8

摘要

The hitherto unreported 3-aryloxyacetyl-6-methyl-2, 3-dihydrothieno [3, 2-c] pyran-4-ones were synthesized in 62–71% yield by the sulfoxide rearrangement of 4-(4′-aryloxybut-2′- ynylthio)-6-methyl-2-pyrone. The substrates were synthesized by phase-transfer-catalysed