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1195776-82-9

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1195776-82-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1195776-82-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,5,7,7 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1195776-82:
(9*1)+(8*1)+(7*9)+(6*5)+(5*7)+(4*7)+(3*6)+(2*8)+(1*2)=209
209 % 10 = 9
So 1195776-82-9 is a valid CAS Registry Number.

1195776-82-9Upstream product

1195776-82-9Downstream Products

1195776-82-9Relevant articles and documents

Merging α-Lithiation and Aldol-Tishchenko Reaction to Construct Polyols from Benzyl Ethers

Sedano, Carlos,Velasco, Rocío,Suárez-Pantiga, Samuel,Sanz, Roberto

, p. 8070 - 8075 (2020)

α-Lithiobenzyl ethers, generated by selective α-lithiation, undergo an aldol-Tishchenko reaction upon treatment with carboxylic esters and paraformaldehyde. The reaction of the organolithium with the carboxylate generates an intermediate enolate that, after formaldehyde addition, affords 1,2,3-triol derivatives in a straightforward and one-pot manner. These products are obtained as single diastereoisomers bearing a quaternary stereocenter. The complete diastereocontrol of the aldol-Tishchenko process is attributed to stereoelectronic preferences in the transition state.

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