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28325-75-9

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28325-75-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28325-75-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,3,2 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 28325-75:
(7*2)+(6*8)+(5*3)+(4*2)+(3*5)+(2*7)+(1*5)=119
119 % 10 = 9
So 28325-75-9 is a valid CAS Registry Number.

28325-75-9Relevant articles and documents

Photoredox Catalyzed Sulfonylation of Multisubstituted Allenes with Ru(bpy)3Cl2 or Rhodamine B

Chen, Jingyun,Chen, Shufang,Jiang, Jun,Lu, Qianqian,Shi, Liyang,Xu, Zekun,Yimei, Zhao

supporting information, (2021/11/09)

A highly regio- and stereoselective sulfonylation of allenes was developed that provided direct access to α, β-substituted unsaturated sulfone. By means of visible-light photoredox catalysis, the free radicals produced by p-toluenesulfonic acid reacted with multisubstituted allenes to obtain Markovnikov-type vinyl sulfones with Ru(bpy)3Cl2 or Rhodamine B as photocatalyst. The yield of this reaction could reach up to 91%. A series of unsaturated sulfones would be used for further transformation to some valuable compounds.

Mild and efficient desulfurization of thiiranes with MoCl5/Zn system

Lee, Yeong Jin,Shin, Jeong Won,Yoo, Byung Woo

, (2021/11/10)

Desulfurization of a variety of thiiranes to alkenes occurs chemoselectively in high yields upon treatment with MoCl5/Zn system under mild conditions. The new methodology demonstrates high functional group tolerance toward chloro, bromo, fluoro, methoxy, ester, ether and keto groups.

Oxidative Alkenylation of Arenes Using Supported Rh Materials: Evidence that Active Catalysts are Formed by Rh Leaching

Luo, Zhongwen,Whitcomb, Colby A.,Kaylor, Nicholas,Zhang, Yulu,Zhang, Sen,Davis, Robert J.,Gunnoe, T. Brent

, p. 260 - 270 (2020/12/01)

This work focuses on the synthesis of supported Rh materials and study of their efficacy as pre-catalysts for the oxidative alkenylation of arenes. Rhodium particles supported on silica (Rh/SiO2; ~3.6 wt% Rh) and on nitrogen-doped carbon (Rh/NC

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