Room-temperature Pd-catalyzed C-H chlorination by weak coordination: One-pot synthesis of 2-chlorophenols with excellent regioselectivity
A room-temperature Pd(ii)-catalyzed regioselective chlorination reaction has been developed for a facile one-pot synthesis of a broad range of 2-chlorophenols. The reaction demonstrates an excellent regioselectivity and reactivity for C-H chlorination. This reaction represents one of the rare examples of mild C-H functionalization at ambient temperature.
Sun, Xiuyun,Sun, Yonghui,Zhang, Chao,Rao, Yu
supporting information
p. 1262 - 1264
(2014/02/14)
A general approach towards catechol and pyrogallol through ruthenium- and palladium-catalyzed C-H hydroxylation by weak coordination
An efficient ruthenium(II)- and palladium(II)-catalyzed C-H hydroxylation of aryl carbamates has been developed for the facile synthesis of catechols and pyrogallols. The reaction demonstrates excellent reactivity, regio- and chemoselectivity, good functional group compatibility and high yields. The practicality of this method has been proved by a gram-scale synthesis.
Yang, Xinglin,Sun, Yonghui,Chen, Zhang,Rao, Yu
supporting information
p. 1625 - 1630
(2014/06/09)
Rhodium-catalyzed selective C-H activation/olefination of phenol carbamates
Rh(III)-catalyzed ortho C-H activation/olefination of phenol carbamates has been developed. High regioselectivity is observed with a range of phenol carbamates enabling efficient coupling with acrylates and styrenes. This reaction exhibits different react
Gong, Tian-Jun,Xiao, Bin,Liu, Zhao-Jing,Wan, Jian,Xu, Jun,Luo, Dong-Fen,Fu, Yao,Liu, Lei
supporting information; experimental part
p. 3235 - 3237
(2011/08/22)
Palladium-catalysed ortho-arylation of carbamate-protected phenols
The carbamate (-O2CNR2) function is an excellent directing group for palladium-catalysed direct arylation reactions giving both protected or free mono- or di-substituted phenols, as well as an example of a dibenzopyranone, depending on coupling partners (aryl iodides or diaryliodonium salts) and conditions. The Royal Society of Chemistry 2009.
Bedford, Robin B.,Webster, Ruth L.,Mitchell, Charlotte J.
supporting information; experimental part
p. 4853 - 4857
(2010/02/15)
Infrared Spectra and Transmission of Electronic Effects in Substituted Phenyl N,N-Dimethylcarbamates and S-Phenyl N,N-Dimethylthiocarbamates
Carbonyl stretching frequencies in CCl4 and CHCl3 and hydroxyl stretching frequency shifts of phenol as a proton donor in CCl4 were measured for series of substituted phenyl N,N-dimethylcarbamates (I) and S-phenyl N,N-dimethylthiocarbamates (II).The data
Perjessy, Alexander,Jones, Ronald G.,McClair, Susan L.,Wilkins, Joyce M.
p. 1266 - 1271
(2007/10/02)
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