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2-(2',5'-dimethylphenyl)naphtho[1,2-b]thiophene is an organic compound characterized by a naphtho[1,2-b]thiophene core, which is a fused ring system consisting of a naphthalene and a thiophene. The molecule features two methyl groups at the 2' and 5' positions on the phenyl ring, which is attached to the thiophene ring at the 2-position. This chemical structure endows the compound with unique electronic and steric properties, making it a potential candidate for applications in materials science, particularly in the development of organic semiconductors and optoelectronic devices. Its synthesis and properties are of interest to researchers exploring novel molecular architectures for advanced technological applications.

78643-27-3

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78643-27-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78643-27-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,4 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78643-27:
(7*7)+(6*8)+(5*6)+(4*4)+(3*3)+(2*2)+(1*7)=163
163 % 10 = 3
So 78643-27-3 is a valid CAS Registry Number.

78643-27-3Downstream Products

78643-27-3Relevant academic research and scientific papers

The addition of simple aromatic hydrocarbons to condensed aromatic thiophenes promoted by aluminum chloride. Part II. Naphthothiophene

Clark, Peter David,McKinnon, David M.

, p. 1297 - 1302 (2007/10/02)

The reaction of naphthothiophene with an aromatic hydrocarbon in the presence of aluminum chloride at 20 deg C gave either a 3-aryl-2,3-dihydronaphthothiophene by addition to the 2,3-bond or 2,3-dihydronaphthothiophene as a result of hydride abstraction.Occasionally 2-aryl-2,3-dihydronaphthothiophenes were obtained.At higher temperatures 2-arylnaphthothiophenes and 2,3-dihydronaphthothiophene were isolated.Attempts are made to rationalize the formation of these products in terms of protonation of naphthothiophene by moist aluminum chloride and reaction of the resulting electrophile with an aromatic substrate.

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