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1627150-24-6

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1627150-24-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1627150-24-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,7,1,5 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1627150-24:
(9*1)+(8*6)+(7*2)+(6*7)+(5*1)+(4*5)+(3*0)+(2*2)+(1*4)=146
146 % 10 = 6
So 1627150-24-6 is a valid CAS Registry Number.

1627150-24-6Relevant articles and documents

Direct synthesis of benzofuro[2,3-b]pyrroles through a radical addition/[3,3]-sigmatropic rearrangement/cyclization/lactamization cascade

Ueda, Masafumi,Ito, Yuta,Ichii, Yuki,Kakiuchi, Maiko,Shono, Hiroko,Miyata, Okiko

supporting information, p. 6763 - 6770 (2014/06/09)

A straightforward synthetic method for the construction of benzofuro[2,3-b]pyrrol-2-ones by a novel domino reaction through a radical addition/[3,3]-sigmatropic rearrangement/cyclization/lactamization cascade has been developed. The domino reaction of O-phenyl-conjugated oxime ether with an alkyl radical allows the construction of two heterocycles with three stereogenic centers as a result of the formation of two C-C bonds, a C-O bond, and a C-N bond in a single operation, leading to pyrrolidine-fused dihydrobenzofurans, which are not easily accessible by existing synthetic methods. Furthermore, asymmetric synthesis of benzofuro[2,3-b]pyrrol-2-one derivatives through a diastereoselective radical addition reaction to a chiral oxime ether was also developed.

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