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1452772-76-7

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1452772-76-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1452772-76-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,5,2,7,7 and 2 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1452772-76:
(9*1)+(8*4)+(7*5)+(6*2)+(5*7)+(4*7)+(3*2)+(2*7)+(1*6)=177
177 % 10 = 7
So 1452772-76-7 is a valid CAS Registry Number.

1452772-76-7Relevant articles and documents

Regioselective monochloro substitution in carbohydrates and non-sugar alcohols via Mitsunobu reaction: Applications in the synthesis of reboxetine

Dar, Abdul Rouf,Aga, Mushtaq A.,Kumar, Brijesh,Yousuf, Syed Khalid,Taneja, Subhash Chandra

, p. 6195 - 6207 (2013/09/12)

A regioselective high yielding monochloro substitution (chlorohydrin formation) via Mitsunobu reaction is reported. In carbohydrates and sterically hindered non-sugars, only the primary hydroxyl group is chlorinated, whereas in the non-sugar 1,2- and 1,3-alcohols, predominantly the secondary chloride substitution occurs. The versatile methodology provides indirect access to epoxides with the retention of configuration, as against conventional Mitsunobu reaction which generates epoxides with inversion. The methodology was successfully used as a key step in the synthesis of optically active diastereoisomers of the antidepressant drug reboxetine from (R)-2,3-O- cyclohexylidene-d-glyceraldehyde in ~43% overall yields. The Royal Society of Chemistry.

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