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1173294-90-0

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1173294-90-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1173294-90-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,2,9 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1173294-90:
(9*1)+(8*1)+(7*7)+(6*3)+(5*2)+(4*9)+(3*4)+(2*9)+(1*0)=160
160 % 10 = 0
So 1173294-90-0 is a valid CAS Registry Number.

1173294-90-0Downstream Products

1173294-90-0Relevant articles and documents

A Strategy for Amide C-N Bond Activation with Ruthenium Catalyst: Selective Aromatic Acylation

Li, Wenkuan,Zhang, Sheng,Feng, Xiujuan,Yu, Xiaoqiang,Yamamoto, Yoshinori,Bao, Ming

supporting information, p. 2521 - 2526 (2021/04/05)

A strategy for amide C-N bond activation with ruthenium catalyst is described for the first time. The in situ formed bis-cycloruthenated complexes were demonstrated to be the key active species with superior oxidative addition ability to an inert amide C-N bond. The direct C-H bond activation of 2-arylpyridines followed by the amide C-N bond activation took place in the presence of a ruthenium precatalyst to produce monoacylation products in moderate to good yields. Synthetically useful functional groups, such as halogen atoms (F and Cl), ester, acetyl, and vinyl, remained intact during tandem C-H/C-N bond activation reactions.

Silver catalyzed pyridine-directed acceptorless dehydrogenation of secondary alcohols

Zhuang, Xin,Tao, Jing,Luo, Zhen,Hong, Chuan-Ming,Liu, Zheng-Qiang,Li, Qing-Hua,Ren, Li-Qing,Luo, Qun-Li,Liu, Tang-Lin

, p. 245 - 249 (2021/02/03)

A silver catalyzed pyridine-directed acceptorless dehydrogenation of secondary benzyl alcohols was developed. This general procedure delivers ketones with high atom-economy and hydrogen was the sole byproduct. This dehydrogenation reaction has a good functional group tolerance and high efficiency (up to 90% yield and 10,000/1 substrates-to-catalyst ratio).

Dual photoredox/palladium-catalyzed C-H acylation of 2-arylpyridines with oxime esters

He, Bin-Qing,Gao, Yuan,Wang, Peng-Zi,Wu, Hong,Zhou, Hong-Bin,Liu, Xiao-Peng,Chen, Jia-Rong

, p. 373 - 377 (2020/09/11)

An unprecedented dual photoredox/palladium-catalyzed iminyl-radical-mediated C-C bond cleavage and directed ortho C-H acylation of 2-arylpyridines by using oxime esters is described. Oxime esters can serve as efficient acyl sources through formation of the corresponding acyl radicals by photoredox-catalyzed iminyl-radical-mediated C-C bond cleavage. This redox-neutral protocol features excellent regioselectivity, a broad substrate scope, and good functional-group tolerance with respect to both components, giving a broad range of aryl ketones with generally good yields.

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