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112476-27-4

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112476-27-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 112476-27-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,4,7 and 6 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 112476-27:
(8*1)+(7*1)+(6*2)+(5*4)+(4*7)+(3*6)+(2*2)+(1*7)=104
104 % 10 = 4
So 112476-27-4 is a valid CAS Registry Number.

112476-27-4Downstream Products

112476-27-4Relevant articles and documents

Aminotellurinylation of Olefins and Its Utilization for Synthesis of 2-Oxazolidinones

Hu, Nan Xing,Aso, Yoshio,Otsubo, Tetsuo,Ogura, Fumio

, p. 4398 - 4404 (2007/10/02)

Benzenetellurinyl acetate or trifluoroacetate in combination with ethyl carbamate effected regio- and stereoselective aminotellurinylation of olefins in the presence of boron trifluoride etherate in chloroform under reflux to give ethyl carbamates in high yields.Benzenetellurinyl trifluoromethanesulfonate similarly did it even at the lower temperature of refluxing dichloromethane without Lewis acid.This reaction was successfully extended to cyclofunctionalization of olefinic carbamates into nitrogen heterocycles.Furthermore, when the aminotellurinylation was carried out in refluxing 1,2-dichloroethane, 2-oxazolidinone was obtained in a high yield.A mechanism of addition followed by intramolecular substitution in proposed on the basis of the stereochemistry of 2-oxazolidinone derivatives.

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