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51491-68-0

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51491-68-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51491-68-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,4,9 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 51491-68:
(7*5)+(6*1)+(5*4)+(4*9)+(3*1)+(2*6)+(1*8)=120
120 % 10 = 0
So 51491-68-0 is a valid CAS Registry Number.

51491-68-0Relevant articles and documents

RhIII-Catalyzed C-H (Het)arylation/Vinylation of N-2,6-Difluoroaryl Acrylamides

Wang, Huai-Wei,Qiao, Yu-Han,Wu, Jia-Xue,Wang, Qiu-Ping,Tian, Meng-Xin,Li, Yong-Fei,Yao, Qing-Xia,Li, Da-Cheng,Dou, Jian-Min,Lu, Yi

, p. 656 - 662 (2021)

RhIII-catalyzed sp2 C-H cross-coupling of acrylamides with organoboron reactants has been accomplished using a commercially available N-2,6-difluoroaryl acrylamide auxiliary. A broad range of aryl and vinyl boronates as well as a variety of heterocyclic boronates with strong coordinating ability can serve as the coupling partners. This transformation proceeds under moderate reaction conditions with excellent functional group tolerance and high regioselectivity.

Photoredox Cyclization of N-Arylacrylamides for Synthesis of Dihydroquinolinones

Liu, Zhaosheng,Zhong, Shuai,Ji, Xiaochen,Deng, Guo-Jun,Huang, Huawen

supporting information, p. 349 - 353 (2021/12/27)

Metal- and additive-free photoredox cyclization of N-arylacrylamides is herein reported that provides a concise access to the formation of dihydroquinolinones. In this protocol, sustainable visible light was used as the energy source, and the organic light-emitting molecule 4CzIPN served as the efficient photocatalyst. This reaction system features exclusive 6-endo-trig cyclization selectivity with a generally good yield of a range of functionalized dihydroquinolinones and dihydrobenzoquinolinones. Mechanistical studies reveal the feasibility of both 1,3-H shift and intersystem crossing of the diradical intermediate.

THERAPEUTIC COMPOUNDS AND METHODS OF USE

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Paragraph 0646; 0647; 0648, (2021/05/21)

The invention relates to compounds and methods of using said compounds, as well as pharmaceutical compositions containing such compounds, for treating diseases and conditions mediated by TEAD, such as cancer.

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