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103422-95-3

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103422-95-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103422-95-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,4,2 and 2 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 103422-95:
(8*1)+(7*0)+(6*3)+(5*4)+(4*2)+(3*2)+(2*9)+(1*5)=83
83 % 10 = 3
So 103422-95-3 is a valid CAS Registry Number.

103422-95-3Relevant articles and documents

Ni-Catalyzed Regiodivergent and Stereoselective Hydroalkylation of Acyclic Branched Dienes with Unstabilized C(sp3) Nucleophiles

Shao, Wen,Besnard, Céline,Guénée, Laure,Mazet, Clément

, p. 16486 - 16492 (2020/10/26)

Two complementary regiodivergent [(P,N)Ni]-catalyzed hydroalkylations of branched dienes are reported. When amides are employed as unstabilized C(sp3) nucleophiles, a highly regioselective 1,4-addition process is favored. The addition products are obtained in high yield and with excellent stereocontrol of the internal olefin. With use of a chiral ligand and imides as carbon nucleophiles, a 3,4-addition protocol was developed, enabling construction of two contiguous tertiary stereocenters in a single step with moderate to high levels of diastereocontrol and excellent enantiocontrol. Both methods operate under mild reaction conditions, display a broad scope, and show excellent functional group tolerance. The synthetic potential of the 3,4-hydroalkylation reaction was established via a series of postcatalytic modifications.

Preparation of chiral 3-arylpyrrolidines via the enantioselective 1,4-addition of arylboronic acids to fumaric esters catalyzed by Rh(I)/chiral diene complexes

Chung, Yu-Chiang,Janmanchi, Damodar,Wu, Hsyueh-Liang

supporting information; experimental part, p. 2766 - 2769 (2012/07/17)

A highly efficient rhodium-catalyzed protocol for the preparation of 2-arylsuccinic esters and 3-arylpyrrolidines of high optical purity has been achieved. In the presence of 1 mol % of a chiral diene/Rh(I) catalyst, asymmetric addition of various arylbor

A convenient method for synthesis of optically active methylphenidate from N-methoxycarbonylpiperidine by utilizing electrochemical oxidation and Evans aldol-type reaction

Matsumura, Yoshihiro,Kanda, Yasuhisa,Shirai, Kimihiro,Onomura, Osamu,Maki, Toshihide

, p. 7411 - 7422 (2007/10/03)

A new method to prepare optically active methylphenidate starting from piperidine is described. The method consists of a transformation of N-methoxycarbonylated piperidine to the corresponding α-methoxylated carbamate utilizing electrochemical oxidation f

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