Chiral iminophosphorane catalysed asymmetric sulfenylation of 4-substituted pyrazolones
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AbstractAn excellent level of enantioselectivity in asymmetric sulfenylation of 4-substituted pyrazolones was achieved with chiral iminophosphorane as the organocatalyst under continuum salvation conditions (up to 99% ee). Importantly, this catalytic process features high efficiency with excellent enantioselectivities, easy separation of products, low catalytic loadings and scale-up to grams without loss of enantioselectivity.
Acceptance Date05/12/2018
All Author(s) ListJianwei Han, Yanxia Zhang, Xin-Yan Wu, Henry N.C. Wong
Journal nameChemical Communications
Year2019
Month1
Day11
Volume Number55
Issue Number3
Place of PublicationCambridge
Pages397 - 400
ISSN1359-7345
LanguagesEnglish-United States
KeywordsIminophosphorane, asymmetric sulfenylation, pyrazolones

Last updated on 2020-09-07 at 02:51