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65443-83-6

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65443-83-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65443-83-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,4,4 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 65443-83:
(7*6)+(6*5)+(5*4)+(4*4)+(3*3)+(2*8)+(1*3)=136
136 % 10 = 6
So 65443-83-6 is a valid CAS Registry Number.

65443-83-6Relevant academic research and scientific papers

Rhodium-Catalyzed Dehydrogenative Annulation of N-Arylmethanimines with Vinylene Carbonate for Synthesizing Quinolines

Hu, Yan,Nan, Jiang,Yin, Jiacheng,Huang, Guanjie,Ren, Xin,Ma, Yangmin

supporting information, p. 8527 - 8532 (2021/11/13)

Here we report a novel Rh-catalyzed C-H/C-H alkenylation of N-arylmethanimines with vinylene carbonate acting as a vinylene unit. Forty examples of C3,C4-nonsubstituted quinolines were achieved from commercially available starting materials. This identified process features an exceedingly simple system, a lower loading of catalyst, and the capacity for postfunctionalization with bioactive molecules.

An efficient method for the synthesis of indolo[3,2-c]quinoline derivatives catalyzed by iodine

Zhou, Yujing,Zhang, Meimei,Yin, Mingyue,Wang, Xiangshan

, p. 237 - 242 (2013/08/24)

The reaction of Schiff base and indole catalyzed by iodine in DMA, subsequently treated with DDQ, gave indolo[3,2-c]quinoline derivatives in good yields. The structure of 3e was confirmed by X-ray diffraction analysis. The reaction of Schiff base and indo

A stereoselective Povarov reaction leading to exo-tetrahydroindolo[3,2-c] quinoline derivatives catalyzed by iodine

Wang, Xiang-Shan,Yin, Ming-Yue,Wang, Wei,Tu, Shu-Jiang

experimental part, p. 4811 - 4818 (2012/09/22)

We report an iodine-catalyzed Povarov reaction using indole as dienophile carried out in toluene at room temperature. This three-component reaction, coupling an aldehyde, an amine, and an indole, proved to be an efficient method for synthesizing exo-indol

Condensation of fluorine-substituted benzaldehydes with amines and cyclic ketones

Kozlov,Gusak

experimental part, p. 830 - 835 (2009/06/08)

Condensation of fluorine-containing benzaldehydes with naphthalen-2-amine or quinolin-6-amine and cyclic ketones (cyclopentanone, cyclohexanone, and 4-methylcyclohexanone) gave new fluorine-containing derivatives of cyclopenta[c]benzo[f]quinoline, benzo[a

Synthesis of 5-aryl-1,2,3,4-tetrahydrobenzo[a]phenanthridines

Kozlov,Basalaeva

, p. 250 - 256 (2007/10/03)

Previously unknown derivatives of tetrahydro[a]phenanthridine containing annelated benzoquinoline and cyclohexene nuclei were prepared by condensation of azomethines of the 2-naphthylamine series with cyclohexanone. The possibility of synthesis of such compounds without preliminarily preparing Schiff bases was demonstrated. The effect of substituents in the aromatic ring of the azomethine on the yield of the target products was elucidated. The IR, UV, 1H NMR, and mass spectra of the synthesized compounds were discussed.

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