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51597-80-9

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51597-80-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51597-80-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,5,9 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 51597-80:
(7*5)+(6*1)+(5*5)+(4*9)+(3*7)+(2*8)+(1*0)=139
139 % 10 = 9
So 51597-80-9 is a valid CAS Registry Number.

51597-80-9Relevant articles and documents

RhodiumIII/SilverI Relay Catalyzed C—H Aminomethylation with Imine Equivalents and Lewis Acid Catalyzed [4+2] Cycloaddition of Indoles with Triarylhexahydrotriazine?

Liu, Ruixing,Wei, Yin,Shi, Min

, p. 947 - 951 (2020)

A RhIII/AgI relay-catalyzed C(sp2)—H coupling of indoles with triarylhexahydrotriazine (THT) is reported in this context. Upon merging RhIII-catalyzed C(sp2)—H bond activation and silver promoted THT

Chemoselective Cu-catalyzed synthesis of diverseN-arylindole carboxamides, β-oxo amides andN-arylindole-3-carbonitriles using diaryliodonium salts

Kumar Mehra, Manish,Malik, Monika,Kumar, Bintu,Kumar, Dalip

, p. 1109 - 1114 (2021/02/16)

Chemoselective copper-catalyzed synthesis of diverseN-arylindole-3-carboxamides, β-oxo amides andN-arylindole-3-carbonitriles from readily accessible indole-3-carbonitriles, α-cyano ketones and diaryliodonium salts has been developed. DiverseN-arylindole-3-carboxamides and β-oxo amides were successfully achieved in high yields under copper-catalyzed neutral reaction conditions, and the addition of an organic base (DIPEA) resulted in a completely different selectivity pattern to produceN-arylindole-3-carbonitriles. Moreover, the importance of the developed methodology was realized by the synthesis of indoloquinolones andN-((1H-indol-3-yl)methyl)aniline and by a single-step gram-scale synthesis of the naturally occurring cephalandole A analogue.

Combining enzyme and photoredox catalysis for aminoalkylation of indoles: Via a relay catalysis strategy in one pot

He, Yan-Hong,Xiang, Yang,Yang, Da-Cheng,Guan, Zhi

, p. 5325 - 5330 (2016/10/09)

We report a novel strategy for combining enzyme and visible-light for mild aminoalkylation of indoles. This method features a relay catalysis protocol consisting of enzyme-catalyzed hydrolysis, visible-light excited decarboxylation, and subsequent oxidiza

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