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β-Amino-3-bromocrotonophenon, also known as 3-(bromomethyl)-2-phenyl-2-aminocrotononitrile, is an organic compound with the chemical formula C10H8BrN. It is a derivative of crotononitrile, featuring a bromine atom attached to the β-carbon and an amino group on the α-carbon. β-Amino-3-bromcrotonophenon is of interest in the field of organic synthesis, particularly for the preparation of various pharmaceuticals and agrochemicals. It is a colorless to pale yellow solid and is sensitive to light, which necessitates its storage in a dark environment to prevent degradation. The compound's reactivity and functional group diversity make it a valuable intermediate in the synthesis of complex molecules.

55788-90-4

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55788-90-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55788-90-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,7,8 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 55788-90:
(7*5)+(6*5)+(5*7)+(4*8)+(3*8)+(2*9)+(1*0)=174
174 % 10 = 4
So 55788-90-4 is a valid CAS Registry Number.

55788-90-4Downstream Products

55788-90-4Relevant academic research and scientific papers

Metal-Free Cascade Annulation Approach for Modular Assembly of Alkynyl/Benzoyl Functionalized Quinolines

Tang, Qiang,Yuan, Meng,Duan, Jiahui,Xu, Keke,Li, Ruxue,Xie, Mengqing,Kong, Shuwen,He, Xinwei,Shang, Yongjia

supporting information, (2022/01/19)

A concise and efficient synthetic method for alkynyl quinolines through TfOH-promoted cascade 1,4-conjugate addition/intramolecular annulation/aromatization process is established. By virtue of reactive aza-o-AQM (in situ generated from modular propargylamine), this reaction proceeds smoothly to afford a variety of alkynyl quinolines in good to excellent yields. This transition-metal-free process features halogen groups tolerance, such as the ?Cl, ?Br, and ?I groups; thus, this protocol circumvents the inherent shortcomings of the existing Sonogashira coupling of halogenated quinolines.

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