Issue 82, 2020
From the journal:

Chemical Communications

Rhodium-catalysed diastereo- and enantio-selective cyclopropanation of α-boryl styrenes†

Xiao Sun,a   Peiming Gu,a   Jiao Qina  and  Yan Su ORCID logo *a  

* Corresponding authors

a State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, China
E-mail: suyan@nxu.edu.cn

Abstract

A rhodium-catalyzed diastereo- and enantio-selective cyclopropanation of α-boryl styrenes with α-diazoarylacetates was established. Rh2(S-PTTL)4 (0.2 mol%) was found to be effective for the conversion, and 21 diastereopure cyclopropylboronates were prepared in high yields with excellent enantioselectivity (ee up to 99%).

Graphical abstract: Rhodium-catalysed diastereo- and enantio-selective cyclopropanation of α-boryl styrenes

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Article information

DOI
https://doi.org/10.1039/D0CC02549F
Article type
Communication
Submitted
08 Apr 2020
Accepted
28 Aug 2020
First published
01 Sep 2020

Chem. Commun., 2020,56, 12379-12382

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Rhodium-catalysed diastereo- and enantio-selective cyclopropanation of α-boryl styrenes

X. Sun, P. Gu, J. Qin and Y. Su, Chem. Commun., 2020, 56, 12379 DOI: 10.1039/D0CC02549F

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