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738626-20-5

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738626-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 738626-20-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,8,6,2 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 738626-20:
(8*7)+(7*3)+(6*8)+(5*6)+(4*2)+(3*6)+(2*2)+(1*0)=185
185 % 10 = 5
So 738626-20-5 is a valid CAS Registry Number.

738626-20-5Downstream Products

738626-20-5Relevant articles and documents

Enantioselective Rh-catalyzed addition of arylboronic acids to N-tosylarylimines

Marelli, Chiara,Monti, Chiara,Gennari, Cesare,Piarulli, Umberto

, p. 2213 - 2216 (2007)

A highly enantioselective rhodium-catalyzed addition of arylboronic acids to N-tosylarylimines is described, using chiral binaphtholic phosphite and phosphoramidite ligands. The best ee values (76-99%), associated with moderate to good chemical yields, we

Chiral benzene backbone-based sulfoxide-olefin ligands for highly enantioselective Rh-catalyzed addition of arylboronic acids to: N-tosylarylimines

Xue, Feng,Liu, Qibin,Zhu, Yong,Qing, Yunfei,Wan, Boshun

, p. 25377 - 25381 (2019/08/28)

An efficient Rh-catalyzed addition of arylboronic acids to N-tosylarylimines has been developed with chiral benzene backbone-based sulfoxide-olefin ligands, where 2-methoxy-1-naphthyl sulfinyl functionalized olefin ligands have shown to be more effective.

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.

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