Title of article :
Bargellini condensation of coumarins. Expeditious synthesis of o-carboxyvinylphenoxyisobutyric acids
Author/Authors :
Sen، نويسنده , , Prabir K. and Biswas، نويسنده , , Bidyut and Venkateswaran، نويسنده , , Ramanathapuram V. Venkateswaran، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2005
Abstract :
Condensation of coumarins with chloroform and acetone in the presence of a base furnished o-carboxyvinylphenoxyisobutyric acids in good yields. The diacid 7a was transformed in a few high yielding steps to the marine sesquiterpene helianane underscoring the importance of this new protocol.
Keywords :
coumarins , ?-Carboxyvinylphenoxyisobutyric acids , Helianane , Bargellini condensation
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters
