Synthesis and cycloadditions of 9H-furo[3,4-b][1]benzo(thio)pyran-9-ones: furan ring formation by a novel hydrolytically induced cycloreversion
Author/Authors :
Y.J. Daia، نويسنده , , G.Elena and Gabbutt، نويسنده , , Christopher D. and Hepworth، نويسنده , , John D. and Heron، نويسنده , , B.Mark and Hibbs، نويسنده , , David E. and Hursthouse، نويسنده , , Michael B.، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2002
Pages :
4
From page :
4507
To page :
4510
Abstract :
C-2 lithiation of acetals 2 followed by trapping with aldehydes gives 3. Subsequent unmasking of the acetal function provides furobenzo(thio)pyrans 4, cycloadditions of which have been investigated.
