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金(I)卡宾:溶液中金(I)卡宾的按需获取。

Gold(I) Carbenoids: On-Demand Access to Gold(I) Carbenes in Solution.

机构信息

Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007, Tarragona, Spain.

Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili, C/Marcel⋅li Domingo s/n, 43007, Tarragona, Spain.

出版信息

Angew Chem Int Ed Engl. 2017 Feb 6;56(7):1859-1863. doi: 10.1002/anie.201611705. Epub 2017 Jan 16.

DOI:10.1002/anie.201611705
PMID:28090747
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5324612/
Abstract

Chloromethylgold(I) complexes of phosphine, phosphite, and N-heterocyclic carbene ligands are easily synthesized by reaction of trimethylsilyldiazomethane with the corresponding gold chloride precursors. Activation of these gold(I) carbenoids with a variety of chloride scavengers promotes reactivity typical of metallocarbenes in solution, namely homocoupling to ethylene, olefin cyclopropanation, and Buchner ring expansion of benzene.

摘要

三甲基硅基重氮甲烷与相应的金氯前体反应,很容易就能合成膦、亚膦酸酯和 N-杂环卡宾配体的氯甲基金(I)配合物。这些金(I)卡宾配合物用各种氯化物清除剂进行活化,促进了它们在溶液中类似于金属卡宾的反应性,即与乙烯的同偶联、烯烃环丙烷化和苯的布赫纳环扩张。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/2d8eeca203fd/ANIE-56-1859-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/248715a86e60/ANIE-56-1859-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/055f072daa72/ANIE-56-1859-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/4b6d85693e94/ANIE-56-1859-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/476f8db19a68/ANIE-56-1859-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/83d2c1d441c2/ANIE-56-1859-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/eb5af3b318cd/ANIE-56-1859-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/9cd4764805f5/ANIE-56-1859-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/2d8eeca203fd/ANIE-56-1859-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/248715a86e60/ANIE-56-1859-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/055f072daa72/ANIE-56-1859-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/4b6d85693e94/ANIE-56-1859-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/476f8db19a68/ANIE-56-1859-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/83d2c1d441c2/ANIE-56-1859-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/eb5af3b318cd/ANIE-56-1859-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/9cd4764805f5/ANIE-56-1859-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2279/5324612/2d8eeca203fd/ANIE-56-1859-g008.jpg

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