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(S)-(-)-1-[4,4-bisbenzyl-2-((diphenylphosphino)methyl)pyrrolidinyl]-2,2-dimethylpropan-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

212890-82-9

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212890-82-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 212890-82-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,8,9 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 212890-82:
(8*2)+(7*1)+(6*2)+(5*8)+(4*9)+(3*0)+(2*8)+(1*2)=129
129 % 10 = 9
So 212890-82-9 is a valid CAS Registry Number.

212890-82-9Relevant academic research and scientific papers

Asymmetric Alkylation of N-Toluenesulfonylimines with Dialkylzinc Reagents Catalyzed by Copper-Chiral Amidophosphine

Soeta, Takahiro,Nagai, Kazushige,Fujihara, Hidetaka,Kuriyama, Masami,Tomioka, Kiyoshi

, p. 9723 - 9727 (2007/10/03)

The synthetic procedure of a chiral amidophosphine ligand 5 bearing two bulky substituents, 2,4,6-trimethylphenylmethyl or 2,4,6-triisopropylphenylmethyl groups, on the pyrrolidine ring was improved by employing the borane-THF reduction of the lactam-alco

An external chiral amidophosphine ligand for asymmetric conjugate addition of organocopper

Nakagawa, Yuichi,Kanai, Motomu,Nagaoka, Yasuo,Tomioka, Kiyoshi

, p. 10295 - 10307 (2007/10/03)

Two types of external, chiral amidophosphine ligands, 1-5, were prepared. Examination of their behavior in an asymmetric conjugate addition reaction of organocuprate revealed the possibility for steric tuning to realize high selectivity.

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