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5350-40-3

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5350-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5350-40-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,3,5 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5350-40:
(6*5)+(5*3)+(4*5)+(3*0)+(2*4)+(1*0)=73
73 % 10 = 3
So 5350-40-3 is a valid CAS Registry Number.

5350-40-3Relevant articles and documents

Copper-Catalyzed Asymmetric Arylation of N-Heteroaryl Aldimines: Elementary Step of a 1,4-Insertion

Wu, Chunlin,Qin, Xurong,Moeljadi, Adhitya Mangala Putra,Hirao, Hajime,Zhou, Jianrong Steve

supporting information, p. 2705 - 2709 (2019/02/06)

Copper complexes of monodentate phosphoramidites efficiently promote asymmetric arylation of N-azaaryl aldimines with arylboroxines. DFT calculations and experiments support an elementary step of 1,4-insertion in the reaction pathway, a step in which an aryl-copper species adds directly across four atoms of C=N?C=N in the N-azaaryl aldimines.

A mild method for the regioselective bromination of 2-aminopyridines

Xu, Tong,Zhou, Wen,Wang, Jing,Li, Xue,Guo, Jun-Wen,Wang, Bin

supporting information, p. 5058 - 5061 (2015/01/08)

An efficient and regioselective bromination of 2-aminopyridines was developed. The environmental friendly bromination occurs under mild and clean conditions using readily available 1-butylpyridinium bromide as the bromine source and hydrogen peroxide as the green oxidant.

Copper-catalyzed intramolecular dehydrogenative aminooxygenation: Direct access to formyl-substituted aromatic N-heterocycles

Wang, Honggen,Wang, Yong,Liang, Dongdong,Liu, Lanying,Zhang, Jiancun,Zhu, Qiang

supporting information; experimental part, p. 5678 - 5681 (2011/08/02)

A direct synthesis of carbaldehydes through intramolecular dehydrogenative aminooxygenation has been developed. The process uses a catalytic amount of copper(II) in DMF or DMA under oxygen and does not require additional oxidants (see scheme). Mechanistic studies suggest that the carbonyl oxygen atom of the aldehyde is derived from oxygen through a copper-mediated oxygen activation process via a peroxy-copper(III) intermediate. Copyright

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