Organic Letters
Organic Letters
5 years ago

Pyridyl-Directed Cp*Rh(III)-Catalyzed B(3)–H Acyloxylation of o-Carborane

Pyridyl-Directed Cp*Rh(III)-Catalyzed B(3)–H Acyloxylation of o-Carborane
Chun-Xiao Li, Hong Yan, Hou-Ji Cao, Chang-Sheng Lu, Tsz-Yung Wong, Hao-Yun Zhang
An efficient pyridyl-directed Rh(III)-catalyzed o-carborane B(3)–H acyloxylation is reported. The B(3)–H bond is the most electron-deficient vertex on o-carborane whose functionalization is challenging. The combination of Cu(OH)2 and diverse carboxylic acids provides low cost and abundant acyloxyl sources which could lead to moderate to excellent yields.

Publisher URL: http://dx.doi.org/10.1021/acs.orglett.7b02450

DOI: 10.1021/acs.orglett.7b02450

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