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

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

Full Text: HTML

Citation Number: 8

Abstract

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

Related Articles:

… of heterocycles by sigmatropic rearrangement: passage to 3, 11a-dimethyl-6a, 11a-dihydro-1H, 6H-pyrano [3′, 4′: 5, 6] thiopyrano [4, 3-b][1] benzofuran-1-one

[Majumdar, Krishna C.; Kundu, Uday K.; Ghosh, Subhojit Journal of the Chemical Society. Perkin Transactions 1, 2002 , # 19 p. 2139 - 2140]

More Articles...