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50793-44-7

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50793-44-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50793-44-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,7,9 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 50793-44:
(7*5)+(6*0)+(5*7)+(4*9)+(3*3)+(2*4)+(1*4)=127
127 % 10 = 7
So 50793-44-7 is a valid CAS Registry Number.

50793-44-7Relevant articles and documents

Modular access to 1,2-allenyl ketones based on a photoredox-catalysed radical-polar crossover process

Du, Chan,Fang, Jianghua,Fang, Yewen,Lei, Wan,Li, Yan,Liu, Yongjun

, p. 8502 - 8506 (2021/10/20)

Herein, a new protocol dealing with the preparation of 1,2-allenyl ketones has been successfully developedviathe reactions of enynes with radicals enabled by dual photoredox/copper catalysis. Based on the results of a deuteration experiment and the competition reaction between cyclopropanation and allenation, the mechanism based on a photoredox-neutral-catalysed radical-polar crossover process has been proposed. Synthetic applications of allenes have also been demonstrated.

Sc(OTf)3-Catalyzed Diastereoselective Formal [3+2] Cycloaddition Reactions of Alkynylcyclopropane Ketones with Electron-Rich Aromatic Aldehydes to Yield 2,5-trans-Tetrahydrofurans

Zhang, Chi,Xu, Muyun,Ren, Jun,Wang, Zhongwen

, p. 2467 - 2478 (2016/06/01)

In contast to the general [4+2] cycloaddition reactions of alkynylcyclopropane ketones reported in the literature, we report herein a Sc(OTf)3-catalyzed formal intermolecular [3+2] cycloaddition reaction of alkynylcyclopropane ketones with elec

New Derivatives of N-Vinyltriazoles: 1,3-Diaryl-3-(1H-1,2,4-triazol-1-yl)-2-propen-1-ones

Rekhter, M. A.,Grushetskaya, G. N.,Panasenko, A. A.,Krimer, M. Z.

, p. 792 - 796 (2007/10/03)

We have synthesized previously unknown N-vinyltriazoles: 1,3-diaryl-3-(1H-1,2,4-triazol-1-yl)-2-propen-1-ones.We discusss a hypothesis for a probable reaction mechanism.

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