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131744-08-6

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131744-08-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131744-08-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,7,4 and 4 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 131744-08:
(8*1)+(7*3)+(6*1)+(5*7)+(4*4)+(3*4)+(2*0)+(1*8)=106
106 % 10 = 6
So 131744-08-6 is a valid CAS Registry Number.

131744-08-6Downstream Products

131744-08-6Relevant articles and documents

Radical-mediated intramolecular β-C(sp3)-H amidation of alkylimidates: Facile synthesis of 1,2-amino alcohols

Mou, Xue-Qing,Chen, Xiang-Yu,Chen, Gong,He, Gang

, p. 515 - 518 (2018)

A new radical-mediated intramolecular β-C(sp3)-H amidation reaction of O-alkyl trichloro- or arylimidates is reported. Various oxazolines were efficiently prepared from easily accessible alcohol starting materials. The trichloro-oxazoline products can be hydrolyzed under mild conditions to give valuable 1,2-amino alcohols. This amidation reaction exhibits a broad substrate scope and good functional group tolerance, and offers a powerful means for the C(sp3)-H functionalization of alcohols. Mechanistic studies suggest that a sequence of 1,5-HAT of an imidate radical, iodination and cyclization might be operative.

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