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1249725-52-7

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1249725-52-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1249725-52-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,9,7,2 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1249725-52:
(9*1)+(8*2)+(7*4)+(6*9)+(5*7)+(4*2)+(3*5)+(2*5)+(1*2)=177
177 % 10 = 7
So 1249725-52-7 is a valid CAS Registry Number.

1249725-52-7Relevant articles and documents

Palladium-Catalyzed α-Arylation of Carboxylic Acids and Secondary Amides via a Traceless Protecting Strategy

He, Zhi-Tao,Hartwig, John F.

supporting information, p. 11749 - 11753 (2019/08/26)

A novel traceless protecting strategy is presented for the long-standing challenge of conducting the palladium-catalyzed α-arylation of carboxylic aids and secondary amides with aryl halides. Both of the presented coupling processes occur with a variety of carboxylic acids and amides and with a variety of aryl bromides containing a broad range of functional groups, including base-sensitive functionality like acyl, alkoxycarbonyl, nitro, cyano, and even hydroxyl groups. Five commercial drugs were prepared through this method in one step in 81-96% yield. Gram-scale synthesis of medication Naproxen and Flurbiprofen with low palladium loading further highlights the practical value of this method.

Amine Substituted Methanesulfonamide Derivatives as Vanilloid Receptor Ligands

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, (2013/04/10)

The invention relates to amine substituted methanesulfonamide derivatives as vanilloid receptor ligands, to pharmaceutical compositions containing these compounds and also to these compounds for use in the treatment and/or prophylaxis of pain and further diseases and/or disorders.

ARYL OR N-HETEROARYL SUBSTITUTED METHANESULFONAMIDE DERIVATIVES AS VANILLOID RECEPTOR LIGANDS

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Page/Page column 40, (2013/04/13)

The invention relates to aryl or N-heteroaryl substituted methanesulfonamide derivatives of Formula (I) as vanilloid receptor ligands, to pharmaceutical compositions containing these compounds and also to these compounds for use in the treatment and/or prophylaxis of pain and further diseases and/or disorders.

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