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32090-98-5

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32090-98-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32090-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,0,9 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 32090-98:
(7*3)+(6*2)+(5*0)+(4*9)+(3*0)+(2*9)+(1*8)=95
95 % 10 = 5
So 32090-98-5 is a valid CAS Registry Number.

32090-98-5Relevant articles and documents

Metal-free n -arylation of secondary amides at room temperature

Tinnis, Fredrik,Stridfeldt, Elin,Lundberg, Helena,Adolfsson, Hans,Olofsson, Berit

, p. 2688 - 2691 (2015/06/16)

The arylation of secondary acyclic amides has been achieved with diaryliodonium salts under mild and metal-free conditions. The methodology has a wide scope, allows synthesis of tertiary amides with highly congested aryl moieties, and avoids the regioselectivity problems observed in reactions with (diacetoxyiodo)benzene.

Antiviral Compounds

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Page/Page column 20-21, (2012/11/07)

Compounds and methods for preventing and treating viral infections are provided. In some embodiments, novel compounds broad-spectrum antiviral activity are provided. In more specific embodiments, the compounds and methods are effective against viruses such as Venezuelan Equine Encephalitis, West Nile Virus, and Hepatitis C.

Sterically Hindered N-Aryl-2(1H)-Quinolones and N-Aryl-6(5H)-Phenanthridinones: Separation of Enantiomers and Barriers to Racemization

Mintas, Mhaden,Mihaljevic, Vesna,Koller, Helmut,Schuster, Doris,Mannschreck, Albrecht

, p. 619 - 624 (2007/10/02)

The novel N-aryl-4-chloro-3-methyl-2(1H)-quinolones (1)-(4) have been synthesized by condensation of the appropriate diphenylamine with diethyl methylmalonate and subsequent chlorination of the resulting N-aryl-4-hydroxy-3-methyl-2(1H)-quinolones (7)-(10). 5-(1-Naphthyl)-6(5H)-phenanthridinone (5) has been synthesized by the Chapman rearrangement of the 6-(1-naphthoxy)phenanthridine (11).Separation of the enantiomers (M) and (P) of the quinolones (1)-(4) and phenanthridinones (5), (6) was achieved by liquid chromatography on triacetylcellulose.The barriers to partial rotation about the C-N bond in (1)-(6) were determined by thermal racemization of enantiomers and are compared with those of structurally related molecules.

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