Functionalization of carboxylic anhydrides at α-carbon with hypervalent iodine reagents: one-pot conversion of anhydrides to 2-sulfonyloxycarboxylate esters
Author/Authors :
Goff، نويسنده , , Jeffrey M and Justik، نويسنده , , Michael W and Koser، نويسنده , , Gerald F، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2001
Pages :
3
From page :
5597
To page :
5599
Abstract :
The treatment of carboxylic anhydrides with iodine(III) sulfonate reagents at ca. 100°C and esterification of the reaction mixtures with MeOH/TsOH·H2O affords 2-sulfonyloxycarboxylate esters. This is consistent with enolic behavior in the anhydrides.
