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1312761-26-4

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1312761-26-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1312761-26-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,7,6 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1312761-26:
(9*1)+(8*3)+(7*1)+(6*2)+(5*7)+(4*6)+(3*1)+(2*2)+(1*6)=124
124 % 10 = 4
So 1312761-26-4 is a valid CAS Registry Number.

1312761-26-4Downstream Products

1312761-26-4Relevant articles and documents

Kinetic resolution of secondary carbinols by a chiral N,N-4-dimethylaminopyridine derivative containing a 1,1′-binaphthyl unit: Hydrogen bonding affects catalytic activity and enantioselectivity

Fujii, Kazuki,Mitsudo, Koichi,Mandai, Hiroki,Suga, Seiji

, p. 1081 - 1092 (2016)

We developed an acylative kinetic resolution of secondary carbinols using a binaphthyl-based N,N-4-dimethylaminopyridine (DMAP) derivative 1d with tert-Alcohol substituents. The reaction proceeded with a wide range of carbinols with moderate to high selectivity (s) (up to s = 79.5). Kinetic studies revealed that catalyst 1d was more catalytically active than the corresponding bis-methyl ether 1d′ or DMAP. Hydrogen bonding between tert-Alcohols of the catalyst and secondary carbinols was responsible for the enhanced reaction rate and high enantioselectivity.

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