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1160815-55-3

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1160815-55-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1160815-55-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,0,8,1 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1160815-55:
(9*1)+(8*1)+(7*6)+(6*0)+(5*8)+(4*1)+(3*5)+(2*5)+(1*5)=133
133 % 10 = 3
So 1160815-55-3 is a valid CAS Registry Number.

1160815-55-3Downstream Products

1160815-55-3Relevant articles and documents

Direct amino-halogenation and aziridination of the 2-quinolone framework by sequential treatment of 3-nitro-2-quinolone with amine and N-halosuccinimide

Hao, Feiyue,Asahara, Haruyasu,Nishiwaki, Nagatoshi

, p. 1255 - 1264 (2017)

The sequential treatment of 3-nitro-2-quinolones with amines and N-halosuccinimides under mild conditions facilitated the direct amino-halogenation and aziridination at the 4- and 3-positions of the 2-quinolone framework. The selectivity of the functionalization was influenced by the electronic properties of the substituents on the benzene moiety of the nitroquinolone. The electron-withdrawing nitro group promoted the amino-halogenation, and replacement of the nitro group with a halogen or hydrogen markedly increased the selectivity of the aziridination. Moreover, a succinimide group instead of an alkylamino group was introduced at the 4-position, affording the masked form of the 4-amino-3-chloro-2-quinolone derivative. Furthermore, the prepared bis-functionalized quinolones were subjected to Suzuki-Miyaura coupling reaction, ring opening, and hydrazinolysis to afford differently functionalized quinolones.

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