Cieslak et al., Roczniki Chemii, 1959, vol. 33, p. 349,351
作者:Cieslak et al.
DOI:——
日期:——
Copper(I)-Catalyzed 3-Position Methylation of Coumarins by Using Di-<i>tert</i>-butyl Peroxide as the Methylation Reagents
作者:Huan Zhuang、Runsheng Zeng、Jianping Zou
DOI:10.1002/cjoc.201500836
日期:2016.4
The copper‐catalyzed methylation of coumarin by using di‐tert‐butyl peroxide (DTBP) has been described. The reaction provides direct access to a wide range of 3‐methylcoumarins in moderate to good yields. In this procedure, it is noteworthy that DTBP was employed not only as the oxidant, but also as the methyl source.