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1424614-82-3

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1424614-82-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1424614-82-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,4,6,1 and 4 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1424614-82:
(9*1)+(8*4)+(7*2)+(6*4)+(5*6)+(4*1)+(3*4)+(2*8)+(1*2)=143
143 % 10 = 3
So 1424614-82-3 is a valid CAS Registry Number.

1424614-82-3Downstream Products

1424614-82-3Relevant articles and documents

An enantioselective, intermolecular α-arylation of ester enolates to form tertiary stereocenters

Huang, Zhiyan,Liu, Zheng,Zhou, Jianrong

supporting information; experimental part, p. 15882 - 15885 (2011/11/13)

In transition-metal catalyzed, asymmetric α-arylation of carbonyl compounds, formation of tertiary centers with high enantioselectivity is a longstanding problem, due to easy enolization of the monoarylation products. Herein, we report such examples using a palladium catalyst supported by a new, (R)-H8-BINOL-derived monophosphine. Silyl ketene acetals, together with a weakly basic activator, were used as equivalents of ester anions, and they reacted smoothly with aryl triflates in excellent enantiomeric excess (ee). The usefulness of the reaction was demonstrated in a gram-scale synthesis of (S)-Naproxen in 92% ee.

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