Title of article :
InBr3-catalyzed annulations of cyclic 1,3-diketones with aryl propargyl alcohols: a novel synthesis of 2,4-diaryldihydropyrans
Author/Authors :
Yadav، نويسنده , , J.S and Subba Reddy، نويسنده , , B.V. and Raghavendra Rao، نويسنده , , K.V. and Narender، نويسنده , , R.، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2009
Abstract :
The cyclic 1,3-dicarbonyl compounds undergo smooth cyclization with aryl propargyl alcohols in the presence of 10 mol % indium tribromide in refluxing dichloroethane to produce 2,4-diarylpyran derivatives in good yields with high selectivity.
Keywords :
cyclization , 3-dicarbonyls , 1 , Indium(III) halides , Arylpropargyl alcohols
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters