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25563-14-8

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25563-14-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25563-14-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,6 and 3 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 25563-14:
(7*2)+(6*5)+(5*5)+(4*6)+(3*3)+(2*1)+(1*4)=108
108 % 10 = 8
So 25563-14-8 is a valid CAS Registry Number.

25563-14-8Relevant articles and documents

Harnessing hypervalent iodonium ylides as carbene precursors: C-H activation of: N -methoxybenzamides with a Rh(iii)-catalyst

Mayakrishnan, Sivakalai,Tamizmani, Masilamani,Maheswari, Naryanan Uma

supporting information, p. 15462 - 15465 (2020/12/25)

Hypervalent iodonium ylides expeditiously generate carbenes which undergo domino intermolecular C-H activation followed by intramolecular condensation in the presence of N-methoxybenzamide as a starting material and a Rh(iii)-catalyst to afford dihydrophenanthridines. KIE studies and DFT calculations were performed to substantiate the mechanistic pathway. To extend the synthetic utilisation, fluorescent pyranoisocoumarins were achieved by using Rh(iii)-catalyzed peri-C-H/O-H activation/annulation reactions.

Palladium-Catalyzed Inert C?H Bond Activation and Cyclocarbonylation of Isoquinolones with Carbon Dioxide Leading to Isoindolo[2,1-b]isoquinoline-5,7-Diones

Yan, Kelu,Jin, Junbin,Kong, Yong,Li, Bin,Wang, Baiquan

supporting information, p. 3080 - 3085 (2019/05/21)

A palladium-catalyzed inert C?H bond activation and cyclocarbonylation of isoquinolones leading to isoindolo[2,1-b]isoquinoline-5,7-diones under 1 atm of carbon dioxide has been developed. This transformation features high regio- and chemo-selectivity, step-economy, and good functional group tolerance. Most of the corresponding products were obtained in moderate to good yields. It offers an alternative approach for the synthesis of useful diverse isoindolo[2,1-b]isoquinoline-5,7-dione derivatives. (Figure presented.).

Rhodium(III)-catalyzed chemodivergent annulations between: N-methoxybenzamides and sulfoxonium ylides via C-H activation

Xu, Youwei,Zheng, Guangfan,Yang, Xifa,Li, Xingwei

supporting information, p. 670 - 673 (2018/01/28)

Chemodivergent and redox-neutral annulations between N-methoxybenzamides and sulfoxonium ylides have been realized via Rh(iii)-catalyzed C-H activation. The sulfoxonium ylide acts as a carbene precursor, and coupling occurs under acid-controlled condition

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