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20668-43-3

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20668-43-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20668-43-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,6,6 and 8 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 20668-43:
(7*2)+(6*0)+(5*6)+(4*6)+(3*8)+(2*4)+(1*3)=103
103 % 10 = 3
So 20668-43-3 is a valid CAS Registry Number.
InChI:InChI=1/C12H13N/c1-2-5-10-8-11-6-3-4-7-12(11)13-9-10/h3-4,6-9H,2,5H2,1H3

20668-43-3Downstream Products

20668-43-3Relevant articles and documents

Pd-Catalyzed Alkylation of (Iso)quinolines and Arenes: 2-Acylpyridine Compounds as Alkylation Reagents

Wu, Qingsong,Han, Shuaijun,Ren, Xiaoxiao,Lu, Hongtao,Li, Jingya,Zou, Dapeng,Wu, Yangjie,Wu, Yusheng

supporting information, p. 6345 - 6348 (2018/10/20)

The first Pd-catalyzed alkylation of (iso)quinolines and arenes is reported. The readily available and bench-stable 2-acylpyridine compounds were used as an alkylation reagent to form the structurally versatile alkylated (iso)quinolines and arenes. The method affords a convenient pathway for the introduction of alkyl groups into organic molecules.

A copper(II)-catalyzed protocol for modified Friedl?nder quinoline synthesis

Cho, Chan Sik,Ren, Wen Xiu,Shim, Sang Chul

, p. 6781 - 6785 (2007/10/03)

2-Aminobenzyl alcohol reacts with an array of ketones in dioxane at 100 °C in the presence of a catalytic amount of CuCl2 along with KOH under O2 atmosphere to afford the corresponding quinolines in good yields. 2-Aminobenzyl alcohol is also oxidatively coupled and cyclized with various aldehydes by step-by-step procedure, an initial treatment of 2-aminobenzyl alcohol in the presence of CuCl2 and KOH in dioxane under O2 atmosphere and subsequent addition of aldehyde to the mixture followed by stirring under argon atmosphere, to give 3-substituted quinolines in moderate to good yields.

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