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65202-31-5

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65202-31-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65202-31-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,2,0 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65202-31:
(7*6)+(6*5)+(5*2)+(4*0)+(3*2)+(2*3)+(1*1)=95
95 % 10 = 5
So 65202-31-5 is a valid CAS Registry Number.

65202-31-5Downstream Products

65202-31-5Relevant articles and documents

Aerobic Copper-Catalyzed Salicylaldehydic Cformyl?H Arylations with Arylboronic Acids

Xiao, Lin,Lang, Tao-Tao,Jiang, Ying,Zang, Zhong-Lin,Zhou, Cheng-He,Cai, Gui-Xin

supporting information, p. 3278 - 3283 (2021/02/01)

We report a challenging copper-catalyzed Cformyl?H arylation of salicylaldehydes with arylboronic acids that involves unique salicylaldehydic copper species that differ from reported salicylaldehydic rhodacycles and palladacycles. This protocol has high chemoselectivity for the Cformyl?H bond compared to the phenolic O?H bond involving copper catalysis under high reaction temperatures. This approach is compatible with a wide range of salicylaldehyde and arylboronic acid substrates, including estrone and carbazole derivatives, which leads to the corresponding arylation products. Mechanistic studies show that the 2-hydroxy group of the salicylaldehyde substrate triggers the formation of salicylaldehydic copper complexes through a CuI/CuII/CuIII catalytic cycle.

ECO-FRIENDLY MATERIALS AND METHODS FOR RENEWABLE AND SUSTAINABLE APPLICATIONS IN MATERIAL CHEMISTRY

-

Page/Page column 42, (2017/09/27)

The invention relates to novel hydrazide-based templates, methods of making the same, and methods of using the hydrazide-based templates as molecular scaffolds for asymmetric light driven transformations, light driven material synthesis, and biological applications. Furthermore, the present invention relates to photoinitiators, monomers, and polymers derived from biomass, together with methods and methods of using the same.

Benzofurans from benzophenones and dimethylacetamide: Copper-promoted cascade formation of furan O1-C2 and C2-C3 bonds under oxidative conditions

Moure, Maria J.,Sanmartin, Raul,Dominguez, Esther

supporting information; experimental part, p. 3220 - 3224 (2012/05/05)

DMA donates: Copper(II) acetate and 8-hydroxyquinoline promote the formation of a benzofuran core through a cascade of copper-catalyzed processes wherein the key carbon atom comes from the dimethylacetamide (DMA) solvent. Strong evidence for the participation of a Wacker cyclization catalyzed solely by copper is provided, not only in the title reaction from benzophenones but also from 2-hydroxy-α-arylstyrene derivatives. Copyright

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