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164461-17-0

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164461-17-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 164461-17-0 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 7 respectively.
Calculate Digit Verification of CAS Registry Number 164461-17:
(8*1)+(7*6)+(6*4)+(5*4)+(4*6)+(3*1)+(2*1)+(1*7)=130
130 % 10 = 0
So 164461-17-0 is a valid CAS Registry Number.

164461-17-0Downstream Products

164461-17-0Relevant articles and documents

Supramolecular chiral phosphorous ligands based on a [2]pseudorotaxane complex for asymmetric hydrogenation

Li, Yong,Feng, Yu,He, Yan-Mei,Chen, Fei,Pan, Jie,Fan, Qing-Hua

, p. 2878 - 2881 (2008)

A new type of supramolecular chiral phosphorus-based ligands was prepared from easily available monodentate ligands through complexation between dibenzylammonium salt and dibenzo[24]crown-8 macrocycle. Rhodium complexes with these supramolecular ligands w

Tandem 1,4-Addition/Enantioselective Protonation Catalyzed by Rhodium Complexes: Efficient Access to α-Amino Acids

Navarre, Laure,Darses, Sylvain,Genet, Jean-Pierre

, p. 719 - 723 (2004)

Conjugate addition of potassium trifluoro(organo)borates 2 (R = aryl, alkenyl) to 2-acetamidoacrylate 1 mediated by a chiral rhodium catalyst and with in situ enantioselective protonation afforded a variety of α-amino acids 3 with high yields and ee values up to 90% (see scheme, cod = cycloocta-1,5-diene, binap = 2,2′-bis(diphenylphosphanyl)-1,1′ -binaphthyl). Among the tested chiral ligands and proton sources, binap in combination with 2-methoxyphenol (guaiacol), an inexpensive and nontoxic phenol, afforded the highest asymmetric inductions.

Diaza-Crown Ether-Bridged Chiral Diphosphoramidite Ligands: Synthesis and Applications in Asymmetric Catalysis

Luo, Yier,Ouyang, Guanghui,Tang, Yuping,He, Yan-Mei,Fan, Qing-Hua

, p. 8176 - 8184 (2020/07/15)

A small library of diaza-crown ether-bridged chiral diphosphoramidite ligands was prepared. In the rhodium-catalyzed asymmetric hydrogenation and hydroformylation reactions, these ligands exhibited distinct properties in catalytic activity and/or enantioselectivity. Hydrogenated products with opposite absolute configurations could be obtained in high yields with excellent ee values by utilizing (S,S)-L1 and (S,S)-L3, respectively. Meanwhile, the addition of alkali metal cations caused variations in catalytic outcomes, showing the supramolecular tunability of these Rh/diphosphoramidite catalytic systems.

An Atropos Chiral Biphenyl Bisphosphine Ligand Bearing Only 2,2′-Substituents and Its Application in Rh-Catalyzed Asymmetric Hydrogenation

Jia, Jia,Ling, Zheng,Zhang, Zhenfeng,Tamura, Ken,Gridnev, Ilya D.,Imamoto, Tsuneo,Zhang, Wanbin

, p. 738 - 743 (2017/12/26)

An atropos chiral biphenyl bisphosphine ligand bearing only 2,2′-substituents was rationally designed and easily synthesized utilizing a bulky chiral t-butylmethylphosphino block. Computational results showed a large difference in the free energies betwee

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