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71376-57-3

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71376-57-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71376-57-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,3,7 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71376-57:
(7*7)+(6*1)+(5*3)+(4*7)+(3*6)+(2*5)+(1*7)=133
133 % 10 = 3
So 71376-57-3 is a valid CAS Registry Number.

71376-57-3Downstream Products

71376-57-3Relevant articles and documents

Silver-Catalyzed C(sp3)-H Sulfonylation for the Synthesis of Benzyl Sulfones Using Toluene Derivatives and α-Amino Acid Sulfonamides

Kanyiva, Kyalo Stephen,Shibata, Takanori,Uchida, Kanako

, p. 1377 - 1384 (2021/06/06)

We describe a simple and practical protocol for the synthesis of benzyl sulfones using readily available toluene derivatives and α-amino acid sulfonamides. The reaction proceeds to afford a broad range of benzyl sulfones in moderate to high yields under silver catalysis. The mechanism possibly involves a Minisci-type formation of α-aminoalkyl radical, homolytic cleavage of a N-S bond to generate a sulfonyl radical, and coupling of sulfonyl radical with a benzyl radical formed via hydrogen abstraction by sulfate anion radical. The practicality of the present reaction is demonstrated by a gram-scale synthesis and one-step synthesis of anticancer-active compound. The mechanism studies are conducted using radical scavengers and deuterated toluene.

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