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(E)-5,5-Dimethoxy-3-phenylselanyl-pent-3-en-2-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

199535-74-5

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199535-74-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199535-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,5,3 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 199535-74:
(8*1)+(7*9)+(6*9)+(5*5)+(4*3)+(3*5)+(2*7)+(1*4)=195
195 % 10 = 5
So 199535-74-5 is a valid CAS Registry Number.

199535-74-5Downstream Products

199535-74-5Relevant academic research and scientific papers

Reactions of 2,5-dihydro-2,5-dimethoxy-furan with phenylselenenylchloride: Regio- and stereocontrolled generation of highly functionalized C4 building-blocks

D'Onofrio, Franco,Margarita, Roberto,Parlanti, Luca,Pernazza, Daniele,Piancatelli, Giovanni

, p. 15843 - 15852 (1997)

An efficient protocol for stereo- and regiocontrolled synthesis of small polyfunctional molecules is presented. The stereospecific addition of PhSeCl to 2,5-dihydro-2,5-dimethoxy-furan 1 in solvents, such as methylene chloride and methanol, gives cyclic and linear acetals 2 and 3, depending on the solvent used. Emphasis is given to the regiocontrolled hydrolysis of acetal groups for the preparation of stereodefined and highly functionalized C4 synthons, such as 8, 9 and 13.

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