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121217-65-0

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121217-65-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121217-65-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,2,1 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121217-65:
(8*1)+(7*2)+(6*1)+(5*2)+(4*1)+(3*7)+(2*6)+(1*5)=80
80 % 10 = 0
So 121217-65-0 is a valid CAS Registry Number.

121217-65-0Downstream Products

121217-65-0Relevant articles and documents

Synthesis of 2-aminoquinoline-3-carboamides and pyrimido[4,5-b]quinolin-4-ones through copper-catalyzed one-pot multicomponent reactions

Zhang, Xin-Ying,Guo, Xiao-Jie,Fan, Xue-Sen

supporting information, p. 106 - 111 (2015/02/05)

Pyrimido[4,5-b]quinolinones have attracted considerable interest from both chemical and medicinal scientists as these compounds display remarkable antimicrobial, anti-inflammatory, antitumor, antiallergy, analgesic, and antioxidant activities. The importance of pyrimido[4,5-b]quinolinones has stimulated enormous efforts to develop efficient methodologies for their synthesis. Herein, we disclose a novel synthetic protocol toward pyrimido[4,5-b]quinolin-4-ones through Cu(OAc)2-catalyzed one-pot four-component reactions of 2-bromobenzaldehydes, aqueous ammonia, cyanoacetamides and aldehydes. The synthetic procedure combines amination/condensation/cyclization/dehydrogenation reactions in one pot, allowing synthesis of complex compounds in a simple and practical manner. Compared with literature procedures, the synthetic strategies developed herein showed advantages such as readily available and economically sustainable starting materials, structural diversity of products, good functional group tolerance, and a remarkably simple operation process.

SYNTHESIS OF SUBSTITUTED 2-AMINOQUINOLINE-3-CARBOXYLIC ACID AMIDES

Ukhov, S. V.,Konshin, M. E.

, p. 1256 - 1258 (2007/10/02)

Substituted 3-(2-nitrophenyl)-2-cyanoacrylic acid amides were synthesized by the Knoevenagel reaction and were then reduced with iron in acetic acid to the corresponding 2-aminoquinoline-3-carboxylic acid amides.

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