Chiral iminophosphorane catalyzed asymmetric sulfenylation of 4-substituted pyrazolones-Reference-Cited by-同舟云学术

Chiral iminophosphorane catalyzed asymmetric sulfenylation of 4-substituted pyrazolones

Published:2019 Issue:3 Volume:55 Page:397-400
ISSN:1359-7345
Container-title:Chemical Communications
language:en
Short-container-title:Chem. Commun.

Author:

Han Jianwei¹²³⁴⁵^ORCID,Zhang Yanxia¹²³⁴⁵,Wu Xin-Yan¹²³⁴⁵,Wong Henry N. C.⁶⁷⁸⁹¹⁰^ORCID

Affiliation:

1. Key Laboratory for Advanced Materials

2. Institute of Fine Chemicals

3. School of Chemistry & Molecular Engineering

4. East China University of Science and Technology

5. Shanghai 200237

6. Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis

7. Shanghai Institute of Organic Chemistry

8. The Chinese Academy of Sciences

9. Shanghai 200032

10. China

Abstract

An excellent level of enantioselectivity in asymmetric sulfenylation of 4-substituted pyrazolones was achieved with chiral iminophosphorane as organocatalyst under the continuum solvation conditions. The use of hydrocarbon solvents enabled to enhance the enantiomeric excesses of the desired 4-phenylthio-pyrazol-5-ones (up to 99% ee).

Funder

National Natural Science Foundation of China

Croucher Foundation

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,Metals and Alloys,Surfaces, Coatings and Films,General Chemistry,Ceramics and Composites,Electronic, Optical and Magnetic Materials,Catalysis

Link

http://pubs.rsc.org/en/content/articlepdf/2019/CC/C8CC09049A

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