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164461-16-9

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164461-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 164461-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,4,6 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 164461-16:
(8*1)+(7*6)+(6*4)+(5*4)+(4*6)+(3*1)+(2*1)+(1*6)=129
129 % 10 = 9
So 164461-16-9 is a valid CAS Registry Number.

164461-16-9Downstream Products

164461-16-9Relevant articles and documents

A supramolecularly tunable chiral diphosphine ligand: Application to Rh and Ir-catalyzed enantioselective hydrogenation

Zhang, Xi-Chang,Hu, Yi-Hu,Chen, Chuan-Fu,Fang, Qiang,Yang, Li-Yao,Lu, Ying-Bo,Xie, Lin-Jie,Wu, Jing,Li, Shijun,Fang, Wenjun

, p. 4294 - 4299 (2016)

A supramolecularly tunable chiral bisphosphine ligand bearing two pyridyl-containing crown ethers, (-) or (+)-Xyl-P16C6-Phos, was fabricated and utilized in the Rh-catalyzed asymmetric hydrogenation of α-dehydroamino acid esters and Ir-catalyzed asymmetric hydrogenation of quinolines in high yields with excellent enantioselectivities (90-99% ee). Up to a 22% enhancement in enantioselectivity was achieved by the addition of certain amounts of alkali ions (Li+, Na+ or K+), which could be selectively recognized and effectively complexed by the crown ethers on the chiral Xyl-P16C6-Phos.

Development of robust heterogeneous chiral rhodium catalysts utilizing acid?base and electrostatic interactions for efficient continuous-flow asymmetric hydrogenations

Saito, Yuki,Kobayashi, Shu

supporting information, p. 16546 - 16551 (2020/11/09)

Heterogeneous chiral Rh catalysts based on acid?base and electrostatic interactions have been developed. The robust catalysts demonstrate high activity and selectivity in the continuous-flow asymmetric hydrogenation of a wide variety of enamides and dehyd

Axially chiral electron-rich TunePhos-type ligand: synthesis and applications in asymmetric hydrogenation

Zou, Yaping,Geng, Huiling,Zhang, Weicheng,Yu, Shichao,Zhang, Xumu

scheme or table, p. 5777 - 5779 (2009/12/26)

A new electron-rich TunePhos type ligand has been synthesized; excellent enantioselectivities (up to 99% ee) have been achieved in Rh-catalyzed asymmetric hydrogenation of α-dehydroamino acid methyl esters and dimethyl itaconate.

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