82572-06-3Relevant articles and documents
Asymmetric Stepwise Reductive Amination of Sulfonamides, Sulfamates, and a Phosphinamide by Nickel Catalysis
Zhao, Xiaohu,Xu, Haiyan,Huang, Xiaolei,Zhou, Jianrong Steve
supporting information, p. 292 - 296 (2018/12/13)
Asymmetric reductive amination of poorly nucleophilic sulfonamides was realized in the presence of nickel catalysts and titanium alkoxide. A wide range of ketones, including enolizable ketones and some biaryl ones, were converted into sulfonamides in excellent enantiomeric excess. The cyclization of sulfamates and intermolecular reductive amination of a diarylphosphinamide were also successful. Formic acid was used as a safe and economic surrogate of high-pressure hydrogen gas.
Asymmetric transfer hydrogenation reactions of: N -sulfonylimines by using alcohols as hydrogen sources
Yang, Fan,Chen, Jingchao,Shen, Guoli,Zhang, Xuexin,Fan, Baomin
supporting information, p. 4963 - 4966 (2018/05/23)
A palladium/zinc co-catalytic system was established and successfully utilized in the asymmetric transfer hydrogenation reactions of N-sulfonylimines with alcohols as hydrogen sources. Simple alcohols such as methanol, ethanol and benzyl alcohols are all
Bifunctional Iminophosphorane Catalyzed Enantioselective Ketimine Phospha-Mannich Reaction
Robertson, Gerard P.,Farley, Alistair J. M.,Dixon, Darren J.
, p. 21 - 24 (2015/12/26)
The enantioselective phospha-Mannich reaction of diethyl phosphite to unactivated N-DPP-protected ketimines catalyzed by a bifunctional iminophosphorane (BIMP) superbase organocatalyst is described. The reaction is applicable to ketimines bearing electron
