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α-Chloro-2-(bromomethyl)styrene is an organic chemical compound with the molecular formula C9H8BrCl. It is a halogenated derivative of styrene, featuring a chloro group at the α-position (adjacent to the phenyl ring) and a bromomethyl group at the 2-position. α-chloro-2-(bromomethyl)styrene is characterized by its aromatic structure, with a benzene ring and a vinyl group attached to it. It is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals due to its reactive halogenated sites, which can undergo substitution reactions. The compound is typically synthesized through the bromination of α-chlorostyrene, followed by the addition of a methyl group. It is important to handle α-chloro-2-(bromomethyl)styrene with care due to its potential reactivity and toxicity.

82880-85-1

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82880-85-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82880-85-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,8,8 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 82880-85:
(7*8)+(6*2)+(5*8)+(4*8)+(3*0)+(2*8)+(1*5)=161
161 % 10 = 1
So 82880-85-1 is a valid CAS Registry Number.

82880-85-1Relevant academic research and scientific papers

Photochemistry of chloro-2-vinylstilbenes

Brouw, P. M. op den,Laarhoven, W. H.

, p. 58 - 67 (2007/10/02)

Short irradiation at 300 nm of α-chloro- and β-chloro-2-vinylstilbene (20 and 21) leads to a mixture of 2-vinyltolane (35) and 2-vinylstilbene (1) accompanied by the cis- and trans-isomers of the starting compounds.Evidence is found for the occurrence of an ionic intermediate during the photolysis of 20 in methanol.At 360 nm, an additional, small amount of 1-chloro-endo- and 1-chloro-exo-6-phenylbenzobicyclohex-2-ene (39) is formed formed from 20.The elimination of hydrogen chloride also occurs during the irradiation of 2-(2-chlorovinyl)stilbene (23) and leads to 2-ethynylstilbene (41).The acetylenic compounds are photocyclized into 2-phenylnaphthalene (38).However, 2-(1-chlorovinyl)stilbene (22) reacts without loss of chlorine to give 1-chloro-exo-5-phenylbenzobicyclo-hex-2-ene (40).This exceptional reaction mode is due to a much higher rate of photocyclization resulting from less distortion in the stilbene moiety and a preference for a conformation better suited to the reaction of the 2-(1-chlorovinyl)stilbene molecule.It is shown that both isomers of 22 can photocyclize into 40.

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