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3-ethyl 1,2-di-methyl 4-(2-(phenylsulfonyl)hydrazono)-1-(triphenylphosphoranylidene)pentane-1,2,3-tricarboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1496515-85-5

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1496515-85-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1496515-85-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,9,6,5,1 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1496515-85:
(9*1)+(8*4)+(7*9)+(6*6)+(5*5)+(4*1)+(3*5)+(2*8)+(1*5)=205
205 % 10 = 5
So 1496515-85-5 is a valid CAS Registry Number.

1496515-85-5Downstream Products

1496515-85-5Relevant academic research and scientific papers

Diastereoselective synthesis of stable phosphorus ylides by a three-component reaction between triphenylphosphine, dialkyl acetylenedicarboxylates and 3-(arylsulfonylhydrazono)butanoates

Anary-Abbasinejad, Mohammad,Talebizadeh, Mahdiyeh,Nikmehr, Fereshteh

, p. 385 - 387 (2013)

Protonation of the reactive 1:1 intermediate produced in the reaction between dialkyl acetylenedicarboxylates and triphenylphosphine by 3-(arylsulfonylhydrazono)butanoates leads to vinylphosphonium salts which undergo Michael addition with the conjugate base of the CH-acid to produce highly functionalised, salt-free phosphorus ylides in a diastereoselective manner and excellent yields.

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