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5667-52-7

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5667-52-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5667-52-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,6 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5667-52:
(6*5)+(5*6)+(4*6)+(3*7)+(2*5)+(1*2)=117
117 % 10 = 7
So 5667-52-7 is a valid CAS Registry Number.

5667-52-7Relevant articles and documents

Electrochemistry Enabled Nickel-Catalyzed Selective C?S Bond Coupling Reaction

Pan, Yi,Wang, Yang,Wang, Yi,Zhang, Feng

, (2022/02/16)

This work describes an electrochemical enabled nickel-catalyzed chemoselective C?S bond coupling protocol for the production of aryl sulfides and sulfones. By simply switching the nickel catalysts and electrodes, this electrochemical C?S bond coupling has demonstrated excellent redox activity, scalability and sustainability. Furthermore, the mechanism for this electrochemical cross-coupling reaction has been investigated.

Transition-Metal-Free HFIP-Mediated Organo Chalcogenylation of Arenes/Indoles with Thio-/Selenocyanates

Goswami, Avijit,Kalaramna, Pratibha

supporting information, p. 9317 - 9327 (2021/07/26)

We have developed a protocol for the synthesis of diaryl thio-/selenoethers by the reaction of aryl chalcogenocyanates with electron rich arenes/hetero arenes via HFIP promoted C-H activation. The reaction produces chalcogenides in good to excellent yields under mild conditions without the need of a transition metal as a catalyst. The HFIP-mediated reactions tolerated a wide range of functional groups and set the stage for the synthesis of diversely decorated chalcogenides. A mechanism involving activation of the C-H bond through hydrogen bonding is proposed.

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