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124096-49-7

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124096-49-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124096-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,0,9 and 6 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 124096-49:
(8*1)+(7*2)+(6*4)+(5*0)+(4*9)+(3*6)+(2*4)+(1*9)=117
117 % 10 = 7
So 124096-49-7 is a valid CAS Registry Number.

124096-49-7Downstream Products

124096-49-7Relevant articles and documents

The palladium-catalyzed asymmetric α-allylations of carbonyl compounds with chiral allyl esters via enamines and imines

Hiroi,Abe,Suya,Sato,Koyama

, p. 203 - 213 (2007/10/02)

A novel and excellent method for asymmetric α-allylation of carbonyl compounds via their chiral enamines or imines bearing allyl esters has been developed. Readily available chiral allyl esters having chirality at the α- position of the ester carbonyl group, such as (S)-proline and other (S)-α- amino acid allyl esters, have been found to serve as good asymmetric allylating reagents in palladium-catalyzed reactions of the chiral enamines and imines derived from them. The use of (S)-proline or (S)-valine allyl esters as the amino parts in the enamines or imines provided the highest optical yields of the corresponding α-allyl carbonyl compounds. A mechanism for asymmetric induction is proposed based on the stereochemical results obtained.

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