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1280205-98-2

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1280205-98-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1280205-98-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,0,2,0 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1280205-98:
(9*1)+(8*2)+(7*8)+(6*0)+(5*2)+(4*0)+(3*5)+(2*9)+(1*8)=132
132 % 10 = 2
So 1280205-98-2 is a valid CAS Registry Number.

1280205-98-2Relevant articles and documents

Amide Bond Formation via the Rearrangement of Nitrile Imines Derived from N-2-Nitrophenyl Hydrazonyl Bromides

Boyle, Mhairi,Livingstone, Keith,Henry, Martyn C.,Elwood, Jessica M. L.,Lopez-Fernandez, J. Daniel,Jamieson, Craig

supporting information, p. 334 - 338 (2022/01/20)

We report how the rearrangement of highly reactive nitrile imines derived from N-2-nitrophenyl hydrazonyl bromides can be harnessed for the facile construction of amide bonds. This amidation reaction was found to be widely applicable to the synthesis of primary, secondary, and tertiary amides and was used as the key step in the synthesis of the lipid-lowering agent bezafibrate. The orthogonality and functional group tolerance of this approach was exemplified by the N-acylation of unprotected amino acids.

Lysophosphatidic acid receptor antagonists and preparation method thereof

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Paragraph 0222-0223; 0230-0232, (2020/07/29)

The invention belongs to the technical field of medicinal chemistry, and particularly relates to lysophosphatidic acid receptor antagonists and a preparation method thereof. The applicant surprisinglyfinds that compounds provided by the invention have high LPAR1 antagonistic activity and selectivity, low toxicity, good metabolic stability and good drug development prospect, and can be used for preventing or treating diseases or symptoms related to LPAR1. The applicant also accidentally finds that the IC50 value of part of the compounds can be as low as 300 nM or below and even 50 nM or below.Moreover, the compounds disclosed by the invention have better safety, and the CC50 range of the compounds can reach 200 [mu]M or above. In addition, the compounds of the present invention have goodmetabolic stability in humans, rats, and mice, such excellent inhibitory activity being very desirable for their use as LPAR1 inhibitors in the above diseases or disorders. In addition, the preparation method of the compounds is simple, mild in reaction condition, high in product yield and suitable for industrial production.

ISOXAZOLE CARBOXYLIC ACIDS AS LPA ANTAGONISTS

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Page/Page column 78-79, (2021/01/22)

The present invention provides compounds of Formula (I) or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein all the variables are as defined herein. These compounds are selective LPA receptor inhibitors.

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