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9H-Fluorene, 9-(diphenylethenylidene)-, also known as 9-(Diphenylmethylene)-9H-fluorene, is an organic compound with the chemical formula C25H18. It is a derivative of fluorene, a polycyclic aromatic hydrocarbon, and features a diphenylmethylene group attached to the 9-position of the fluorene core. 9H-Fluorene, 9-(diphenylethenylidene)- is characterized by its conjugated double bonds and aromatic structure, which contribute to its unique electronic properties and potential applications in materials science, such as in the development of organic semiconductors and optoelectronic devices. The compound's molecular structure allows for π-π stacking interactions, which can influence its electronic and optical properties, making it a subject of interest for researchers in the field of organic chemistry and materials science.

1674-15-3

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1674-15-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1674-15-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,7 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1674-15:
(6*1)+(5*6)+(4*7)+(3*4)+(2*1)+(1*5)=83
83 % 10 = 3
So 1674-15-3 is a valid CAS Registry Number.

1674-15-3Relevant academic research and scientific papers

Metal-free hydrogenation of electron-poor allenes and alkenes

Ines, Blanca,Palomas, David,Holle, Sigrid,Steinberg, Sebastian,Nicasio, Juan A.,Alcarazo, Manuel

supporting information, p. 12367 - 12369 (2013/02/22)

The poorer, the better: A metal-free catalytic procedure for the reduction of electron-poor allenes and alkenes has been developed. The method employs a frustrated Lewis pair based catalyst. 1,4-Diazabicyclo[2.2.2]octane (DABCO)/B(C6F5)3 was shown to be the best combination in optimization studies. Copyright

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