Tetrahedron Letters

Formation and reactivity of dianions derived from 2-and 3-thiophencarboxylic acids

DW Knght, AP Nott

Index: Knight, David W.; Nott, Andrew P. Tetrahedron Letters, 1980 , vol. 21, p. 5051 - 5054

Full Text: HTML

Citation Number: 12

Abstract

Abstract Dianions (3) and (6) can be generated in high yield from the corresponding thiophencarboxylic acids with lithium diisopropylamide and react with a number of representative electrophiles to give fair to good yields of 5-substituted-thiophen-2-carboxylic