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1,1-Difluor-3-brom-3-phenyl-cyclobutan is a complex organic compound with the molecular formula C10H8BrF2. It features a cyclobutan ring, which is a four-carbon cyclic structure, with a phenyl group (C6H5) attached to one of the carbons. The molecule also contains two fluorine atoms and one bromine atom, which are halogen atoms that contribute to its unique properties. The presence of these halogens and the phenyl group makes 1,1-Difluor-3-brom-3-phenyl-cyclobutan potentially useful in various chemical reactions and applications, such as in the synthesis of pharmaceuticals or materials science. The specific arrangement of these atoms gives 1,1-difluor-3-brom-3-phenyl-cyclobutan its distinct chemical and physical characteristics, making it a compound of interest in organic chemistry.

1813-84-9

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1813-84-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1813-84-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,1 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1813-84:
(6*1)+(5*8)+(4*1)+(3*3)+(2*8)+(1*4)=79
79 % 10 = 9
So 1813-84-9 is a valid CAS Registry Number.

1813-84-9Relevant academic research and scientific papers

Copper-Catalyzed Ring-Opening Defluoroborylation of gem-Difluorinated Cyclobutenes: A General Route to Bifunctional 1,3-Dienes and Their Applications

Hu, Fangdong,Jia, Jie,Song, Xuejiao,Xia, Ying,Yuan, Fushan,Zhang, Zihao

, p. 1985 - 1990 (2022/03/27)

The exploration of the reactivity of gem-difluorinated small-size rings has continuously drawn attention in recent years but is limited to three-membered carbocycles. Herein we report a copper-catalyzed reaction of gem-fluorinated cyclobutenes with bis(pinacolato)diboron (B2pin2). A sequence of defluoroborylation and a ring-opening process produces B,F-bifunctional 1,3-dienes in a stereoselective manner. The transformation together with the efficient downstream coupling of the boronate and the fluoride moieties collectively constitutes a modular route to highly functionalized and stereocontrolled 1,3-dienes.

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