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99973-41-8

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99973-41-8 Usage

Chemical class

Pyrimidines and pyrazoles This compound belongs to a class of chemical structures that include both pyrimidines and pyrazoles.

Industrial application

Pharmaceutical industry It is widely used as a building block for the synthesis of various compounds in the pharmaceutical industry.

Potential use

Medicinal chemistry The compound has potential applications in medicinal chemistry, particularly in the development of new drug candidates for treating various diseases.

Research and development

Further exploration and development Due to its properties and reactivity, this compound is considered important for further research and industrial uses.

Check Digit Verification of cas no

The CAS Registry Mumber 99973-41-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,7 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99973-41:
(7*9)+(6*9)+(5*9)+(4*7)+(3*3)+(2*4)+(1*1)=208
208 % 10 = 8
So 99973-41-8 is a valid CAS Registry Number.

99973-41-8Downstream Products

99973-41-8Relevant articles and documents

Copper-Catalyzed C NH2Arylation of 2-Aminobenzimidazoles and Related C-Amino-NH-azoles

Rao, Desaboini Nageswar,Rasheed, Sk.,Kumar, Karampoori Anil,Reddy, Annem Siva,Das, Parthasarathi

supporting information, p. 2126 - 2133 (2016/07/16)

A copper(II)-catalyzed selective C NH2arylation of 2-aminobenzimidazoles and related C-amino-NH-azoles was achieved in presence of 2,2′-bipyridine and cesium carbonate at 60 °C under open air conditions and this is first method for the copper-catalyzed selective C NH2arylation in the presence of other reactive nucleophilic sites. Previously unexplored heteroaromatics possessing multiple nucleophilic sites that are selectively arylated at the C NH2position are obtained, providing an exceptional tool for rapid delivery of a diverse array of medicinally important C NH(aryl) derivatives of aminoazoles without any protection/deprotection of ring N H bonds. It is first example for the selective C NH2arylation of 5-aminoindazole, 4-aminopyrazole, 5-aminopyrazole, 9H-purine-6-amine, and 1H-pyrazolo[3,4-d]pyrimidin-4-amine derivatives. (Figure presented.) .

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