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82637-15-8

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82637-15-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82637-15-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,3 and 7 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 82637-15:
(7*8)+(6*2)+(5*6)+(4*3)+(3*7)+(2*1)+(1*5)=138
138 % 10 = 8
So 82637-15-8 is a valid CAS Registry Number.

82637-15-8Relevant articles and documents

Zirconium complexes having a chiral phosphanylamide in the co-ordination sphere

Wiecko, Michal,Girnt, Denise,Rastaetter, Marcus,Panda, Tarun K.,Roesky, Peter W.

, p. 2147 - 2150 (2005)

The chiral phosphanylamido ligand, {N(CHMePh)(PPh2)} -, has been introduced into co-ordination chemistry. As starting material the oily amines HN(R-*CHMePh)(PPh2) (1a) and HN(S-*CHMePh)(PPh2) (1b) were used. To

Asymmetric Transfer Hydrogenation in Thermomorphic Microemulsions Based on Ionic Liquids

Hejazifar, Mahtab,Pálv?lgyi, ádám Márk,Bitai, Jacqueline,Lanaridi, Olga,Bica-Schr?der, Katharina

, p. 1841 - 1851 (2019/10/11)

A thermomorphic ionic-liquid-based microemulsion system was successfully applied for the Ru-catalyzed asymmetric transfer hydrogenation of ketones. On the basis of the temperature-dependent multiphase behavior of the targeted microemulsion, simple product separation as well as catalyst recycling could be realized. The use of water-soluble ligands improved the immobilization of the catalyst in the microemulsion phase and significantly decreased the catalyst leaching into the organic layer upon extraction of the product. Eventually, the optimized microemulsion system could be applied to a wide range of aromatic ketones that were reduced with good isolated yields (up to 98%) and enantioselectivities (up to 97%), while aliphatic ketones were less successful.

A New Phosphine-Amine-Oxazoline Ligand for Ru-Catalyzed Asymmetric Hydrogenation of N-Phosphinylimines

Ma, Xiaochen,Qiao, Lin,Liu, Guixia,Huang, Zheng

supporting information, p. 1151 - 1155 (2018/10/15)

A series of chiral phosphine-amine-oxazoline (PAO) ligands with an NH moiety were synthesized and applied to the ruthenium-catalyzed asymmetric hydrogenation of N-phosphinylimines. The ligand bearing phenyl groups at the phosphorus moiety and isopropyl at the oxazoline moiety exhibits good activity and excellent enantioselectivity (up to 99% ee). This catalytic system provides an efficient and mild approach to access enantioriched amines.

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