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97371-32-9

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97371-32-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97371-32-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,3,7 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 97371-32:
(7*9)+(6*7)+(5*3)+(4*7)+(3*1)+(2*3)+(1*2)=159
159 % 10 = 9
So 97371-32-9 is a valid CAS Registry Number.

97371-32-9Downstream Products

97371-32-9Relevant articles and documents

Triple role of phenylselenonyl group enabled a one-pot synthesis of 1,3-oxazinan-2-ones from α-isocyanoacetates, phenyl vinyl selenones, and water

Buyck, Thomas,Wang, Qian,Zhu, Jieping

supporting information, p. 11524 - 11528 (2014/10/15)

Reaction of α-substituted α-isocyanoacetates with phenyl vinyl selenones in the presence of a catalytic amount of base (DBU or Et3N, 0.05-0.1 equiv) followed by addition of p-toluenesulfonic acid (PTSA, 0.1-0.2 equiv) afforded 4,4,5-trisubstituted 1,3-oxazinan-2-ones in good to excellent yields. Enantiomerically enriched heterocycles can also be prepared using a Cinchona alkaloid-derived bifunctional organocatalyst for the Michael addition step. The phenylselenonyl group served as an activator for the Michael addition, a leaving group and a latent oxidant in this integrated reaction sequence.

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