Title of article
Studies of bioactive heterocycles: facile thio-Claisen rearrangement of propargylthio[1]benzopyran-2-ones
Author/Authors
Majumdar، نويسنده , , K.C and Ghosh، نويسنده , , S.K، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2002
Pages
3
From page
2115
To page
2117
Abstract
Hitherto unreported 2H-thiopyrano[3,2-c][1]benzopyran-5-ones 6a–f are synthesized regioselectively in 79–85% yields by the thio-Claisen rearrangement of 4-propargylthio[1]benzopyran-2-ones 5a–f. The substrates 5a–f are synthesized by alkylation of hitherto unreported 4-mercaptocoumarins.
Journal title
Tetrahedron Letters
Serial Year
2002
Journal title
Tetrahedron Letters
Record number
1650566
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