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Thiophene, 2,3-dimethyl-4,5-diphenyl-, also known as 2,3-dimethyl-4,5-diphenylthiophene, is an organic compound with the molecular formula C16H14S. It is a derivative of thiophene, a heterocyclic compound consisting of a five-membered ring with four carbon atoms and one sulfur atom. The 2,3-dimethyl-4,5-diphenyl substitution pattern indicates that there are two methyl groups attached to the second and third carbon atoms, and two phenyl groups attached to the fourth and fifth carbon atoms. Thiophene, 2,3-dimethyl-4,5-diphenyl- is characterized by its aromatic properties and is used in the synthesis of various organic compounds, particularly in the field of materials science for the development of conductive polymers and other specialty chemicals.

3319-46-8

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3319-46-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3319-46-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,1 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 3319-46:
(6*3)+(5*3)+(4*1)+(3*9)+(2*4)+(1*6)=78
78 % 10 = 8
So 3319-46-8 is a valid CAS Registry Number.

3319-46-8Downstream Products

3319-46-8Relevant academic research and scientific papers

GENERAL SYNTHESIS OF POLYSUBSTITUTED THIOPHENES FROM DIKETO SULFIDES

Nakayama, Juzo,Machida, Haruki,Saito, Ryuji,Hoshino, Masamatsu

, p. 1983 - 1984 (2007/10/02)

Treatment of diketo sulfides with a low-valent titanium reagent at 0 deg C (in two cases at room temperature) affords 3,4-dihydroxythiolanes in good yields.The acid-catalyzed (p-toluenesulfonic acid) dehydration of the latter compounds leads to the corres

GENERAL SYNTHESIS OF 2,5-DIHYDROTHIOPHENES (3-THIOLENES) FROM DIKETO SULFIDES

Nakayama, Juzo,Machida, Haruki,Hoshino, Masamatsu

, p. 1981 - 1982 (2007/10/02)

The intramolecular reductive coupling reaction of easily accesible diketo sulfides by a low-valent titanium reagent (prepared from titanium(IV) chloride and zinc powder) provides an efficient general synthesis of 2,5-dihydrothiophenes.

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