Journal of Catalysis p. 337 - 344 (2020)
Update date:2022-08-11
Topics:
Chen, Jiangbo
Chen, Zhe-Ning
Tu, Tao
Wang, Jiaquan
Wen, Daheng
Wu, Jiajie
Xu, Xin
Zheng, Qingshu
A series of N-heterocyclic carbene-iridium (NHC-Ir) coordination assemblies based on bis-pyrenoimidazolium salts are prepared, and shown to function as efficient solid molecular catalysts in selective mono-N-methylation of nitroarenes with methanol under mild conditions. The atomically dispersed active Ir(I) centers and the large π-conjugation rings endow the solid catalysts with an exceptionally high activity and selectivity for a broad substrate scope. Such solid NHC-Ir coordination assemblies are robust, which can be easily recovered and reused more than 10 runs without significant loss of their catalytic activity and selectivity. When combined with a subsequent formylation using the same solid catalysts under ambient conditions, this novel protocol can afford diverse formamides in excellent yields, further highlighting the applicability of the present solid catalysts for an efficient diversification of nitroarenes to a broad number of functional amines.
View MoreTengzhou Runlong Fragrance Co., Ltd.
website:http://www.tzrunlong.com/
Contact:0086-15665710862
Address:No. 78, Fushan Road, Biomedical Industrial Park, Dawu Town, Tengzhou, Shandong, 277514 China
Wuhan Sunrise Pharmaceutical Technology Co., Ltd
Contact:+86-27-83314682
Address:Room 340, New material Industrial base No.17, Gu Tian Five Lu , Qiaokou District, Wuhan , China
Beijing Century Richap Chemistry Co.,Ltd
Contact:+86- 010-64455497
Address:Guannan County, Lianyungang City, Jiangsu Province, China
Chengdu NoVi Biotechnology Co., Ltd.
Contact:13551243286/028-81458053
Address:NO.168-1-224 JULONG ROAD WUHOU DISTRICT, CHENGDU CITY,SICHUAN PROVINCE
Shanggao Ruiya Fine Chemicals Co., Ltd
Contact:+86-795-2592103
Address:Xingguang Nanlu,Shanggao County Industry Park
Doi:10.1016/S0040-4039(00)94124-8
(1983)Doi:10.1021/jo00112a061
(1995)Doi:10.1007/s11172-006-0471-0
(2006)Doi:10.1039/c6cc09679d
(2017)Doi:10.1134/S1070328410030061
(2010)Doi:10.1039/d0cc03667f
(2020)