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39257-01-7

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39257-01-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39257-01-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,2,5 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39257-01:
(7*3)+(6*9)+(5*2)+(4*5)+(3*7)+(2*0)+(1*1)=127
127 % 10 = 7
So 39257-01-7 is a valid CAS Registry Number.

39257-01-7Relevant articles and documents

Ti-Catalyzed Multicomponent Oxidative Carboamination of Alkynes with Alkenes and Diazenes

Davis-Gilbert, Zachary W.,Yao, Letitia J.,Tonks, Ian A.

, p. 14570 - 14573 (2016)

The inter- or intramolecular oxidative carboamination of alkynes catalyzed by [py2TiCl2NPh]2 is reported. These multicomponent reactions couple alkenes, alkynes and diazenes to form either α,β-unsaturated imines or α-(iminomethyl)cyclopropanes via a TiII/TiIV redox cycle. Each of these products is formed from a common azatitanacyclohexene intermediate that undergoes either β-H elimination or α,γ-coupling, wherein the selectivity is under substrate control.

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