Literature DB >> 19320507

Unusual mechanistic course of some NHC-mediated transesterifications.

Luca Pignataro1, Teresa Papalia, Alexandra M Z Slawin, Stephen M Goldup.   

Abstract

During experiments on the transesterification of vinyl benzoate with ethanol mediated by IPr and IMes, unexpected species were observed and characterized that call into question the accepted mechanism of the NHC-mediated transesterification of vinyl esters.

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Year:  2009        PMID： 19320507     DOI： 10.1021/ol900257t

Source DB:  PubMed          Journal:  Org Lett        ISSN： 1523-7052            Impact factor:   6.005


  2 in total

1.  α,β-Unsaturated acyl azoliums from N-heterocyclic carbene catalyzed reactions: observation and mechanistic investigation.

Authors:  Jessada Mahatthananchai; Pinguan Zheng; Jeffrey W Bode
Journal:  Angew Chem Int Ed Engl       Date:  2011-01-05       Impact factor: 15.336

2.  NHC-catalyzed cleavage of vicinal diketones and triketones followed by insertion of enones and ynones.

Authors:  Ken Takaki; Makoto Hino; Akira Ohno; Kimihiro Komeyama; Hiroto Yoshida; Hiroshi Fukuoka
Journal:  Beilstein J Org Chem       Date:  2017-08-30       Impact factor: 2.883
  2 in total

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