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Simple alcohols promoted direct C-H arylation of unactivated arenes with aryl halides.

Chemical communications (Cambridge, England) (2013-03-07)
Wei Liu, Fei Tian, Xiaolei Wang, Hao Yu, Yanlan Bi
ABSTRACT

Simple and cheap alcohols can promote the direct arylation of unactivated arenes with aryl iodides and bromides in the presence of potassium tert-butoxide. This transition-metal-free aromatic C-H transformation offers a cheap and easy practical way to synthesize biaryls under mild conditions.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Potassium tert-butoxide, reagent grade, ≥98%
Sigma-Aldrich
Potassium tert-butoxide solution, 1.0 M in THF
Sigma-Aldrich
Potassium tert-butoxide, sublimed grade, 99.99% trace metals basis