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34161-81-4

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34161-81-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34161-81-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,1,6 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 34161-81:
(7*3)+(6*4)+(5*1)+(4*6)+(3*1)+(2*8)+(1*1)=94
94 % 10 = 4
So 34161-81-4 is a valid CAS Registry Number.

34161-81-4Relevant articles and documents

Late-Stage Amination of Drug-Like Benzoic Acids: Access to Anilines and Drug Conjugates through Directed Iridium-Catalyzed C?H Activation

Weis, Erik,Johansson, Magnus J.,Martín-Matute, Belén

supporting information, p. 18188 - 18200 (2021/11/22)

The functionalization of C?H bonds, ubiquitous in drugs and drug-like molecules, represents an important synthetic strategy with the potential to streamline the drug-discovery process. Late-stage aromatic C?N bond–forming reactions are highly desirable, but despite their significance, accessing aminated analogues through direct and selective amination of C?H bonds remains a challenging goal. The method presented herein enables the amination of a wide array of benzoic acids with high selectivity. The robustness of the system is manifested by the large number of functional groups tolerated, which allowed the amination of a diverse array of marketed drugs and drug-like molecules. Furthermore, the introduction of a synthetic handle enabled expeditious access to targeted drug-delivery conjugates, PROTACs, and probes for chemical biology. This rapid access to valuable analogues, combined with operational simplicity and applicability to high-throughput experimentation has the potential to aid and considerably accelerate drug discovery.

Method for Preparing Derivatives of Anthranilic acid and Anti-inflammatory Use Thereof

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Paragraph 0058; 0065-0073; 0124, (2018/11/27)

The present invention relates to a production method of anthranilic acid derivatives which reacts benzoic acid derivatives and phenylsulfonyl azide derivatives under the presence of a [IrCp*Cl_2]_2 catalyst; and relates to an anti-inflammatory use of the

Sulfoximine directed intermolecular o-C-H amidation of arenes with sulfonyl azides

Yadav, M. Ramu,Rit, Raja K.,Sahoo, Akhila K.

supporting information, p. 1638 - 1641 (2013/06/27)

The Ru(II)-catalyzed intermolecular o-C-H amidation of arenes in N-benzoylated sulfoximine with sulfonyl azides is demonstrated. The reaction proceeds with broad substrate scope and tolerates various functional groups. Base hydrolysis of the amidation product provides the anthranilic acid derivatives and methylphenyl sulfoximine (MPS) directing group. This method is successfully employed for the synthesis of HMR 1766.

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