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63930-16-5

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63930-16-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63930-16-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,9,3 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 63930-16:
(7*6)+(6*3)+(5*9)+(4*3)+(3*0)+(2*1)+(1*6)=125
125 % 10 = 5
So 63930-16-5 is a valid CAS Registry Number.

63930-16-5Downstream Products

63930-16-5Relevant articles and documents

Visible Light-Promoted Selenylation/Cyclization of Enaminones toward the Formation of 3-Selanyl-4H-Chromen-4-Ones

Liu, Hao-Yang,Zhang, Jia-Rong,Huang, Guo-Bao,Zhou, Yi-Huan,Chen, Yan-Yan,Xu, Yan-Li

supporting information, p. 1656 - 1661 (2021/02/12)

A simple and efficient visible-light-promoted selenylation/cyclization of enaminones have been realized for the practical synthesis of 3-selanyl-4H-chromen-4-ones. This reaction is performed in the mild conditions, no transition metal catalyst or photocatalysts and no additional oxidants are required. In addition, the 3-selanyl-4H-chromen-4-ones could be easily converted to selanyl-functionalized pyrimidines by reacting with benzamidine substrates. (Figure presented.).

Clarification on the reactivity of diaryl diselenides toward hexacyclohexyldilead under light

Hung, Vu Thai,Kodama, Shintaro,Nomoto, Akihiro,Ogawa, Akiya,Tran, Cong Chi,Yamamoto, Yuki

, (2021/10/25)

In this study, the reactivity of organochalcogen compounds toward a representative alkyl-lead bond compound under light was investigated in detail. Under light irradiation, the Cy-Pb bond of Cy6 Pb2 (Cy = cyclohexyl) undergoes homolytic cleavage to generate a cyclohexyl radical (Cy?). This radical can be successfully captured by diphenyl diselenide, which exhibits excellent carbon-radical-capturing ability. In the case of (PhS)2 and (PhTe)2, the yields of the corresponding cyclohexyl sulfides and tellurides were lower than that of (PhSe)2. This probably occurred due to the low carbon-radical-capturing ability of (PhS)2 and the high photosensitivity of the cyclohexyl-tellurium bond.

Visible-Light-Promoted Selenylative Spirocyclization of Indolyl-ynones toward the Formation of 3-Selenospiroindolenine Anticancer Agents

Zhou, Xiu-Jie,Liu, Hao-Yang,Mo, Zu-Yu,Ma, Xian-Li,Chen, Yan-Yan,Tang, Hai-Tao,Pan, Ying-Ming,Xu, Yan-Li

, p. 1536 - 1539 (2020/04/20)

A metal-free and efficient visible-light-induced spirocyclization of indolyl-ynones with diselenides at room temperature under air atmosphere to prepare 3-selenospiroindolenines in moderate to good yields has been developed. The resulting products were tested for in vitro anticancer activity by MTT assay, and compounds 3 c and 3 e showed potent cancer cell-growth inhibition activities.

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