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Benzo[2,1-b:3,4-b']dithiophene is a heterocyclic organic compound consisting of a benzene ring fused to two dithiophene rings. It is a conjugated molecule with alternating single and double bonds, which contributes to its electronic properties. benzo[2,1-b:3,4-b']dithiophene is of interest in the field of organic electronics, particularly in the development of organic semiconductors and materials for solar cells, due to its ability to form π-stacked structures and its potential for charge transport. The presence of sulfur atoms in the dithiophene rings also endows the molecule with unique electronic and optical properties, making it a promising candidate for further research and application in advanced materials science.

211-53-0

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211-53-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 211-53-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,1 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 211-53:
(5*2)+(4*1)+(3*1)+(2*5)+(1*3)=30
30 % 10 = 0
So 211-53-0 is a valid CAS Registry Number.

211-53-0Downstream Products

211-53-0Relevant academic research and scientific papers

Unexpected rearrangement during the gas-phase dehalogenation approach to benzodithiophenes

Aitken, R. Alan,Oyewale, Adebayo O.

, p. 19379 - 19381 (2015/04/14)

A range of halogenated methylthiophenes undergo dehalogenative condensation upon FVP over magnesium or calcium to give products including benzodithiophenes; in some cases this involves a novel rearrangement by equilibration of alkenylthienyl radicals via thiophene-fused cyclopropylmethyl intermediates. This journal is

CATALYTIC SYNTHESIS OF BENZOTHIOPHENE AND BENZODITHIOPHENES

Ryashentseva, Margarita A.,Minachev, Khabib M.

, p. 627 - 630 (2007/10/02)

A heterocyclization reaction, namely, the interaction of H2S and ethylbenzene with the formation of benzothiophene on an effective catalyst has been studied in a flowing bed system under atmospheric pressure at temperatures from 525 to 625 deg C, a liquid ethylbenzene space velocity, νwt., from 0.3 to 1.3 h-1 and a 2:9.0 H2S/ethylbenzene molar ratio.On the basis of the kinetic data obtained, it is suggested that the heterocyclization reaction proceeds via dehydrogenation of ethylbenzene to styrene.Two isomeric benzodithiophenes have been prepared from H2S and p-diethylbenzene using the same catalyst.

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