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(S)-4-ethyl-3,4-dihydro-6-phenyl-5-(phenylsulfonyl)-2H-pyran is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1246665-63-3

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1246665-63-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1246665-63-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,6,6,6 and 5 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1246665-63:
(9*1)+(8*2)+(7*4)+(6*6)+(5*6)+(4*6)+(3*5)+(2*6)+(1*3)=173
173 % 10 = 3
So 1246665-63-3 is a valid CAS Registry Number.

1246665-63-3Upstream product

1246665-63-3Downstream Products

1246665-63-3Relevant academic research and scientific papers

Influence of the reaction conditions on the evolution of the michael addition of β-keto sulfones to α,β-unsaturated aldehydes

Aleman, Jose,Marcos, Vanesa,Marzo, Leyre,Ruano, Jose Luis Garcia

, p. 4482 - 4491 (2010)

We have studied the influence of different reaction conditions on the conjugated addition of β-keto sulfones to a,βunsaturated aldehydes catalyzed by silyl prolinol ethers. Small changes in the starting material and/or in the experimental protocol are able to produce significant variations in the structures of the final products. The high chemical versatility of the resulting Michael adducts make possible their use in a variety of tandem and one-pot reactions to afford polysubstituted cyclic products bearing multiple chiral centers.

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