Synthesis 2018; 50(19): 3902-3910
DOI: 10.1055/s-0037-1609564
paper
© Georg Thieme Verlag Stuttgart · New York

Electrophilic Activation of Carboxylic Anhydrides for Nucleophilic Acylation Reactions

Varun Kumar
Drug Discovery Research Center, Translational Health Science and Technology Institute, Faridabad 121001, India   Email: dinesh.mahajan@thsti.res.in   Email: chemidinesh@gmail.com
,
Anil Rana
Drug Discovery Research Center, Translational Health Science and Technology Institute, Faridabad 121001, India   Email: dinesh.mahajan@thsti.res.in   Email: chemidinesh@gmail.com
,
Chhuttan Lal Meena
Drug Discovery Research Center, Translational Health Science and Technology Institute, Faridabad 121001, India   Email: dinesh.mahajan@thsti.res.in   Email: chemidinesh@gmail.com
,
Nidhi Sharma
Drug Discovery Research Center, Translational Health Science and Technology Institute, Faridabad 121001, India   Email: dinesh.mahajan@thsti.res.in   Email: chemidinesh@gmail.com
,
Yashwant Kumar
Drug Discovery Research Center, Translational Health Science and Technology Institute, Faridabad 121001, India   Email: dinesh.mahajan@thsti.res.in   Email: chemidinesh@gmail.com
,
Dinesh Mahajan*
Drug Discovery Research Center, Translational Health Science and Technology Institute, Faridabad 121001, India   Email: dinesh.mahajan@thsti.res.in   Email: chemidinesh@gmail.com
› Author Affiliations
Further Information

Publication History

Received: 26 May 2018

Accepted after revision: 29 June 2018

Publication Date:
14 August 2018 (online)


Abstract

Nucleophilic acylation of symmetrical carboxylic anhydrides has inherited limitation of reaction efficiency along with relatively poor reactivity. Traditionally, one equivalent carboxylic acid is generated during nucleophilic acylation of a symmetrical anhydride, which always limits the yield of final product to 50% or less. This is a major drawback, which discourages the use of anhydrides for laboratory or industrial applications. Electrophilic activation of carboxylic anhydride using methanesulfonyl chloride is found to be an efficient method for nucleophilic acylation, which increases product yield by restricting the formation of corresponding acid as a side product. The developed protocol found to be a mild and high yielding methodology for one-pot nucleophilic acylation of carboxylic anhydrides with several type of N- and S-nucleophiles demonstrating appreciable functional group tolerance.

Supporting Information