Issue 85, 2019
From the journal:

Chemical Communications

Dihydrogen activation by intermolecular rare-earth aryloxide/N-heterocyclic carbene Lewis pairs†

Kejian Chang,a   Yifan Donga  and  Xin Xu ORCID logo *a  

* Corresponding authors

a Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
E-mail: xinxu@suda.edu.cn

Abstract

Dihydrogen was readily activated by combination of homoleptic rare-earth metal aryloxides, RE(OAr)3 (RE = La, Sm, and Y) with N-heterocyclic carbenes (NHCs) under mild conditions. RE(OAr)3 were found to be active catalysts for the reductive hydrogenation of NHCs to aminals under 1 bar of H2. In addition, the La/NHC pair also exhibited frustrated Lewis pair (FLP)-like reactivity towards carbon dioxide and phenylacetylene, affording 1,2-addition and deprotonation products, respectively.

Graphical abstract: Dihydrogen activation by intermolecular rare-earth aryloxide/N-heterocyclic carbene Lewis pairs

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Article information

DOI
https://doi.org/10.1039/C9CC06676D
Article type
Communication
Submitted
28 Aug 2019
Accepted
26 Sep 2019
First published
27 Sep 2019

Chem. Commun., 2019,55, 12777-12780

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Dihydrogen activation by intermolecular rare-earth aryloxide/N-heterocyclic carbene Lewis pairs

K. Chang, Y. Dong and X. Xu, Chem. Commun., 2019, 55, 12777 DOI: 10.1039/C9CC06676D

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