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26977-46-8

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26977-46-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 26977-46-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,9,7 and 7 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 26977-46:
(7*2)+(6*6)+(5*9)+(4*7)+(3*7)+(2*4)+(1*6)=158
158 % 10 = 8
So 26977-46-8 is a valid CAS Registry Number.

26977-46-8Downstream Products

26977-46-8Relevant articles and documents

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

supporting information, 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.

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