Title of article :
l-Ascorbic acid in organic synthesis: a facile synthesis of 4-(butenolide-5-methylidenyl)-1,4-dihydropyridines
Author/Authors :
Bisht، نويسنده , , Surendra S. and Dwivedi، نويسنده , , Namrata and Tripathi، نويسنده , , Rama P. Tripathi، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2007
Abstract :
An efficient synthesis of 4-(butenolide-5-methylidenyl)-1,4-dihydropyridines has been achieved via a three-component reaction of β-keto esters or ketones, ammonium acetate and vinylic aldehydes from ascorbic acid in the presence of tetrabutylammonium hydrogen sulfate in ethylene glycol.
Keywords :
Ammonium acetate , l-Ascorbic acid , 1 , 4-Dihydropyridines , 4-(Butenolide-5-methylidenyl)-1 , 4-Dihydropyridines , Tetrabutylammonium hydrogen sulfate
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters
