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1448326-33-7

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1448326-33-7 Usage

General Description

(S)-5-bromo-3-(1-(2,6-dichloro-3-fluorophenyl)ethoxy)pyridin-2-amine is a chemical compound with the molecular formula C14H11BrCl2FNO. It is a derivative of the pyridine class of organic compounds and contains a bromine, chlorine, and fluorine atom attached to a pyridine ring. The compound also contains an amine group and an ethoxy side chain. This chemical may be used in medicinal chemistry, as a building block for the synthesis of pharmaceuticals, or as an intermediate in organic synthesis. Its specific properties and applications may vary depending on the field of study and research.

Check Digit Verification of cas no

The CAS Registry Mumber 1448326-33-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,8,3,2 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1448326-33:
(9*1)+(8*4)+(7*4)+(6*8)+(5*3)+(4*2)+(3*6)+(2*3)+(1*3)=167
167 % 10 = 7
So 1448326-33-7 is a valid CAS Registry Number.

1448326-33-7Relevant articles and documents

Preparation method of deuterated crizotinib and derivatives thereof

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Paragraph 0083-0085; 0089; 0092; 0095, (2020/12/31)

The invention relates to a preparation method of deuterated crizotinib and derivatives thereof, and belongs to the technical field of synthesis of medical compounds. Four deuterated crizotinib with different configurations are synthesized, the influence of the deuterated position and different chirality of the deuterated crizotinib on the biological activity and the drug metabolism property of thecrizotinib is investigated, and the result shows that the deuterated crizotinib and the crizotinib have similar anti-cancer activity. Compared with a deuterated crizotinib raceme and crizotinib, thedeuterated crizotinib has certain physicochemical property advantages, has good anticancer application prospects, and provides a new compound for synthesis of novel antitumor drugs. The resolution ofthe racemate phenylethanol derivative is a key step for synthesizing the deuterated crizotinib, the ee value of the racemate phenylethanol derivative directly influences the ee value of a final product, and the resolution method has the characteristics of easiness in operation, low cost and the like.

Novel pyridine derivatives having inhibition activity against SHIP2 and pharmaceutical compositions with the components

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Paragraph 0419; 0435-0440, (2020/10/03)

The present invention relates to a pyridine derivative and/or a use as a SHIP2 inhibitor. The present invention relates to a pyridine derivative of chemical formula I or a pharmaceutically acceptable salt thereof, a method for preparing the compounds, and a pharmaceutical composition containing the compounds as an active ingredient. The pyridine derivative and pharmaceutically acceptable salt thereof is useful as drugs for the treatment of diseases related to SHIP2, such as Alzheimerandprime;s dementia, hypertension, cancer, and diabetes.COPYRIGHT KIPO 2021

Synthesis of a Crizotinib Intermediate via Highly Efficient Catalytic Hydrogenation in Continuous Flow

Chen, Jianli,Cheng, Pengfei,Su, Weike,Xie, Xiaoxuan,Xu, Feng,Yu, Zhiqun

supporting information, p. 2252 - 2259 (2020/11/26)

Kilogram-scale highly selective catalytic hydrogenation of the aryl nitro group in the intermediate of crizotinib has been developed, which adopted continuous-flow technology with prepassivated Raney Ni as a catalyst at room temperature. According to the reaction condition optimization, side reactions such as dehalogenation, debenzylation, and reduction of other unsaturated functional groups were inhibited eminently. Moreover, catalytic hydrogenation of (R)-3-(1-(2,6-dichloro-3-fluorophenyl)ethoxy)-2-nitropyridine (compound I) afforded the desired product (R)-3-[1-(2,6-dichloro-3-fluorophenyl)ethoxy]pyridin-2-amine (compound II) with high selectivity (99.9%) and high conversion (99.5%). Finally, high-quality crizotinib was synthesized from intermediate II.

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