Introduction of abnormal N-heterocyclic carbene as an efficient organocatalyst: ring opening polymerization of cyclic esters

Sen, Tamal K. ; Sau, Samaresh Ch. ; Mukherjee, Arup ; Modak, Arghya ; Mandal, Swadhin K. ; Koley, Debasis (2011) Introduction of abnormal N-heterocyclic carbene as an efficient organocatalyst: ring opening polymerization of cyclic esters Chemical Communications, 47 (43). p. 11972. ISSN 1359-7345

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Official URL: http://doi.org/10.1039/C1CC15032D

Related URL: http://dx.doi.org/10.1039/C1CC15032D

Abstract

The recently isolated abnormal N-heterocyclic carbene (aNHC) has been established as an efficient organocatalyst in ring opening polymerization of three different cyclic estersrac-lactide (rac-LA), ε-caprolactone (ε-CL), and δ-valerolactone (δ-VL). Preliminary DFT calculations indicate that aNHC can be a better organocatalyst than the corresponding nNHC counterpart.

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