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混合双-N-杂环卡宾铑（I）配合物的制备。

Preparation of Mixed Bis-N-Heterocyclic Carbene Rhodium(I) Complexes.

作者信息

Azpíroz Ramón, Karataş Mert Olgun, Passarelli Vincenzo, Özdemir Ismail, Pérez-Torrente Jesús J, Castarlenas Ricardo

机构信息

Departamento de Química Inorgánica-Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12, 50009 Zaragoza, Spain.

Department of Chemistry, Faculty of Sciences, Inonu University, 44280 Malatya, Turkey.

出版信息

Molecules. 2022 Oct 18;27(20):7002. doi: 10.3390/molecules27207002.

DOI:10.3390/molecules27207002
PMID:36296594
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9611579/
Abstract

A series of mixed bis-NHC rhodium(I) complexes of type RhCl(η-olefin)(NHC)(NHC') have been synthesized by a stepwise reaction of [Rh(-Cl)(η-olefin)] with two different NHCs (NHC = N-heterocyclic carbene), in which the steric hindrance of both NHC ligands and the η-olefin is critical. Similarly, new mixed coumarin-functionalized bis-NHC rhodium complexes have been prepared by a reaction of mono NHC complexes of type RhCl(NHC-coumarin)(η,η-cod) with the corresponding azolium salt in the presence of an external base. Both synthetic procedures proceed selectively and allow the preparation of mixed bis-NHC rhodium complexes in good yields.

摘要

通过[Rh(-Cl)(η-烯烃)]与两种不同的N-杂环卡宾（NHC）进行逐步反应，合成了一系列RhCl(η-烯烃)(NHC)(NHC')型的混合双-NHC铑（I）配合物，其中两个NHC配体和η-烯烃的空间位阻至关重要。同样，通过RhCl(NHC-香豆素)(η,η-环辛二烯)型单NHC配合物与相应的唑盐在外部碱存在下反应，制备了新型混合香豆素官能化双-NHC铑配合物。两种合成方法均具有选择性，能够以良好的产率制备混合双-NHC铑配合物。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/a64e4376a16c/molecules-27-07002-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/7133ce456408/molecules-27-07002-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/8f28c8f358a1/molecules-27-07002-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/380da07fd0cb/molecules-27-07002-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/0a6427f355ec/molecules-27-07002-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/4d775779314d/molecules-27-07002-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/b14da6e1bb1f/molecules-27-07002-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/f9dd8deb9cca/molecules-27-07002-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/aa06353bb6cb/molecules-27-07002-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/a64e4376a16c/molecules-27-07002-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/7133ce456408/molecules-27-07002-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/8f28c8f358a1/molecules-27-07002-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/380da07fd0cb/molecules-27-07002-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/0a6427f355ec/molecules-27-07002-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/4d775779314d/molecules-27-07002-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/b14da6e1bb1f/molecules-27-07002-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/f9dd8deb9cca/molecules-27-07002-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/aa06353bb6cb/molecules-27-07002-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da62/9611579/a64e4376a16c/molecules-27-07002-g006.jpg

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