An efficient metal-free oxidative esterification and amination of benzyl C-H bond
An esterification and amination of benzylic C-H bonds was developed by using 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) under metal- and iodide-free conditions. Both carboxylic acids and amines could be used as ideal coupling partners for the oxidati
Liu, Saiwen,Chen, Ru,He, Guowen,Zhang, Jin
(2020/04/09)
Iron(III)-catalyzed direct synthesis of diphenylmethyl esters from 2-diphenylmethoxypyridine
A highly efficient method has been developed for the synthesis of diphenylmethyl (DPM) esters from 2-diphenylmethoxypyridine. Various carboxylic acids readily reacted with 2-diphenylmethoxypyridine in the presence of FeCl3 as a catalyst to provide the desired DPM esters with high yields. The procedure is facile and enables effective synthesis of a variety of esters for the protection of carboxylic acids.
Tran, Van Hieu,La, Minh Thanh,Kim, Hee-Kwon
p. 2379 - 2387
(2019/07/03)
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