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1-(2-bromophenyl)ethanone, hydrazone is a chemical compound with the molecular formula C8H8BrN. It is derived from 1-(2-bromophenyl)ethanone, a ketone with a bromine atom attached to the phenyl ring, and a hydrazine molecule. The hydrazone formation occurs when the ketone reacts with hydrazine, leading to the formation of a new C-N bond between the carbonyl carbon of the ketone and the nitrogen of the hydrazine. 1-(2-bromophenyl)ethanone, hydrazone is often used in organic synthesis and as an intermediate in the preparation of various pharmaceuticals and agrochemicals. It is characterized by its ability to undergo further reactions, such as oxidation or reduction, and can be used to study the reactivity of ketones and hydrazones in chemical transformations.

5757-79-9

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5757-79-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5757-79-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,5 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5757-79:
(6*5)+(5*7)+(4*5)+(3*7)+(2*7)+(1*9)=129
129 % 10 = 9
So 5757-79-9 is a valid CAS Registry Number.

5757-79-9Relevant academic research and scientific papers

Enantioselective Synthesis of Trisubstituted Allenes via Cu(I)-Catalyzed Coupling of Diazoalkanes with Terminal Alkynes

Chu, Wen-Dao,Zhang, Lei,Zhang, Zhikun,Zhou, Qi,Mo, Fanyang,Zhang, Yan,Wang, Jianbo

supporting information, p. 14558 - 14561 (2016/11/18)

A highly enantioselective synthesis of trisubstituted allenes has been achieved through Cu(I)-catalyzed cross-coupling of aryldiazoalkanes and terminal alkynes with chiral bisoxazoline ligands. Alkynyl migratory insertion of Cu(I) carbene is proposed as t

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