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(E)-1-mesityl-1,2-diphenylethene is an organic compound characterized by a conjugated diene structure, with the molecular formula C21H20. It features a central ethene (ethylene) unit flanked by two phenyl rings, and one of the phenyl rings is substituted with a mesityl group (2,4,6-trimethylphenyl). (E)-1-mesityl-1,2-diphenylethene is known for its unique electronic properties and is often used in the synthesis of various organic compounds, particularly in the field of materials science for the development of novel polymers and other advanced materials. Its structure, with the electron-donating mesityl group and the extended conjugation, contributes to its stability and reactivity, making it a subject of interest in chemical research.

81730-98-5

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81730-98-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81730-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,3 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81730-98:
(7*8)+(6*1)+(5*7)+(4*3)+(3*0)+(2*9)+(1*8)=135
135 % 10 = 5
So 81730-98-5 is a valid CAS Registry Number.

81730-98-5Downstream Products

81730-98-5Relevant academic research and scientific papers

FeCl3-catalyzed alkenylation of simple arenes with aryl-substituted alkynes

Li, Ruoshi,Wang, Sunewang R.,Lu, Wenjun

, p. 2219 - 2222 (2007)

An addition of electron-rich arenes to aryl-substituted alkynes to form 1,1-diaryl alkenes is carried out in the presence of FeCl3 as catalyst under mild conditions.

Thermodynamically- and kinetically-controlled Friedel-Crafts alkenylation of arenes with alkynes using an acidic fluoroantimonate(v) ionic liquid as catalyst

Choi, Doo Seong,Kim, Jin Hong,Shin, Ueon Sang,Deshmukh, Ravindra R.,Song, Choong Eui

, p. 3482 - 3484 (2008/03/12)

By employing superacidic fluoroantimonate ionic liquid (IL), [bmim][Sb 2F11], as catalyst, not only thermodynamically-controlled but also kinetically-controlled Friedel-Crafts alkenylations of arenes with alkynes have been realized for the first time. The Royal Society of Chemistry.

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