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681463-77-4

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681463-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 681463-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,1,4,6 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 681463-77:
(8*6)+(7*8)+(6*1)+(5*4)+(4*6)+(3*3)+(2*7)+(1*7)=184
184 % 10 = 4
So 681463-77-4 is a valid CAS Registry Number.

681463-77-4Relevant articles and documents

Base-Mediated Anti-Markovnikov Hydroamidation of Vinyl Arenes with Arylamides

Ayushee,Patel, Monika,Meena, Priyanka,Jahan, Kousar,Bharatam, Prasad V.,Verma, Akhilesh K.

supporting information, p. 565 - 570 (2021/01/26)

We investigated a base-promoted protocol for the intermolecular anti-Markovnikov hydroamidation of vinyl arenes with arylamides to furnish the arylethylbenzamides with excellent chemo- and regioselectivity. The reaction tolerates an extensive variety of functional groups and has been successfully extended with electronically varied handles, aminobenzamides, electron-rich/electron-deficient heterocyclic amides, and vinyl arenes to afford the hydroamidated products. Excellent chemoselectivity was observed for the amide group over amine. The proposed mechanism and vital role of the solvent was well supported by deuterium labeling studies and control experiments.

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