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1752-87-0

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1752-87-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1752-87-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,5 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1752-87:
(6*1)+(5*7)+(4*5)+(3*2)+(2*8)+(1*7)=90
90 % 10 = 0
So 1752-87-0 is a valid CAS Registry Number.

1752-87-0Relevant articles and documents

A metal-free picolinamide assisted electrochemical ortho-trifluoromethylation of arylamines

Wang, Kai,Hou, Jiahao,Wei, Tingting,Zhang, Changjun,Bai, Renren,Xie, Yuanyuan

supporting information, (2020/12/21)

An eco-friendly and effective electrochemical process was developed for the ortho-trifluoromethylation of arylamines using CF3SO2Na as the trifluoromethyl source, affording the desired products in moderate to good yields with high regioselectivity under mild reaction conditions. Importantly, the requirement for both transition metals and oxidants utilized in previous methods were avoided. A radical mechanism was proposed on the basis of various control experiments.

Copper-catalyzed: Ortho -C(sp2)-H amination of benzamides and picolinamides with alkylamines using oxygen as a green oxidant

Chen, Gong,Huang, Jie,Li, Qiong,Wang, Shui-Bo

, p. 4802 - 4814 (2020/07/13)

A versatile Cu-catalyzed direct ortho-C(sp2)-H amination of benzamides and picolinamides with alkylamines has been achieved. This method employs cheap and eco-friendly copper as a catalyst and oxygen as an oxidant, and also has the advantages of straightf

Copper-Catalyzed Electrophilic Ortho C(sp2)-H Amination of Aryl Amines: Dramatic Reactivity of Bicyclic System

Begam, Hasina Mamataj,Choudhury, Rajarshee,Behera, Ashok,Jana, Ranjan

, p. 4651 - 4656 (2019/06/17)

A practical copper-catalyzed, 2-picolinamide-directed ortho C-H amination of anilines with benzoyl-protected hydroxylamines has been disclosed that proceeds smoothly without any external stoichiometric oxidant or additives. Remarkably, besides anilines, b

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