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4-Ethyl-3-oxo-5-phenyl-2-(triphenyl-λ5-phosphanylidene)-hexanoic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

84454-75-1

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84454-75-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84454-75-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,4,5 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 84454-75:
(7*8)+(6*4)+(5*4)+(4*5)+(3*4)+(2*7)+(1*5)=151
151 % 10 = 1
So 84454-75-1 is a valid CAS Registry Number.

84454-75-1Relevant academic research and scientific papers

Versatile Route to Substituted Ketones through Charge-Directed Conjugate Addition Reactions

Cooke, Manning P.

, p. 4963 - 4968 (2007/10/02)

Charge-directed conjugate addition reactions have been applied to the preparation of highly substituted ketones.Acylphosphoranes resulting from conjugate addition-alkylation reactions are reduced by Al-Hg to β-keto esters, which, upon alkylation and hydrolysis, give ketones in high yields.An application of this methodology to the synthesis of 9, the defense substance of L. longipes, is described.

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