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24052-14-0

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24052-14-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 24052-14-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,0,5 and 2 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 24052-14:
(7*2)+(6*4)+(5*0)+(4*5)+(3*2)+(2*1)+(1*4)=70
70 % 10 = 0
So 24052-14-0 is a valid CAS Registry Number.

24052-14-0Downstream Products

24052-14-0Relevant articles and documents

Imidazole synthesis by transition metal free, base-mediated deaminative coupling of benzylamines and nitriles

Das, Uttam Kumar,Shimon, Linda J. W.,Milstein, David

supporting information, p. 13133 - 13136 (2017/12/26)

A transition metal free, straightforward synthetic method for the preparation of substituted imidazoles is reported herein. Base promoted, deaminative coupling of benzylamines with nitriles results in the one-step synthesis of 2,4,5-trisubstituted imidazoles with liberation of ammonia. This protocol provides a practical strategy for the synthesis of valuable imidazole derivatives from readily available starting materials.

Oxalyl Boronates Enable Modular Synthesis of Bioactive Imidazoles

Lee, C. Frank,Holownia, Aleksandra,Bennett, James M.,Elkins, Jonathan M.,St. Denis, Jeffrey D.,Adachi, Shinya,Yudin, Andrei K.

, p. 6264 - 6267 (2017/05/19)

Described herein is the preparation of oxalyl boronate building blocks and their application for the construction of heterocycles. The oxalyl unit, readily accessible through commercially available starting materials, enables a modular approach for the synthesis of imidazoles. A variety of aromatic, heteroaromatic, and alkyl carboxaldehydes were condensed with oxalyl boronates to afford substituted boryl imidazoles in a regiocontrolled fashion. Subsequent palladium-catalyzed cross-coupling with haloarenes furnished the desired trisubstituted imidazole scaffolds. To demonstrate the utility of these scaffolds, potent inhibitors of the serine/threonine-protein kinase STK10 were synthesized.

1,3-Anionic Cycloadditions, XVII. Synthesis of Imidazolines and Imidazoles by Cycloaddition of 2-Azaallyllithium Compounds to Aromatic Nitriles

Kauffmann, Thomas,Busch, Alfred,Habersaat, Kai,Koeppelmann, Edgar

, p. 492 - 499 (2007/10/02)

1,3-Diphenyl-2-azaallyllithium (1c) reacts with aromatic nitriles by cycloaddition and subsequent dehydration to give lithiated imidazoles (3b). 1,1-Diphenyl-2-azaallyllithium (1a) under corresponding conditions gives either by cycloaddition lithiated imidazolines (2) or by normal addition lithiated open-chain enamines (5a, b).The enamines formed (4-amino-2-azabutadienes) are isolable in spite of their primary amino group. - Cycloaddition in preparatively useful yield was not possible with aliphatic nitriles.

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