78024-99-4

Basic information

• Product Name: (Z)-4,4′-(1,2-diphenylethene-1,2-diyl)dibenzonitrile
• Synonyms: (Z)-4,4′-(1,2-diphenylethene-1,2-diyl)dibenzonitrile
• CAS NO: 78024-99-4
• Molecular Weight: 382.464
• Mol File: 78024-99-4.mol
• Article Data: 6

Chemical Properties

• CAS DataBase Reference: (Z)-4,4′-(1,2-diphenylethene-1,2-diyl)dibenzonitrile(CAS DataBase Reference)
• NIST Chemistry Reference: (Z)-4,4′-(1,2-diphenylethene-1,2-diyl)dibenzonitrile(78024-99-4)
• EPA Substance Registry System: (Z)-4,4′-(1,2-diphenylethene-1,2-diyl)dibenzonitrile(78024-99-4)

Safety Data

• Hazardous Substances Data: 78024-99-4(Hazardous Substances Data)

Upstream product

• 501-65-5 diphenyl acetylene 
• 221006-76-4 1,2-bis(pinacolatoboryl)-1,2-diphenylethene 
• 623-00-7 4-bromobenzenecarbonitrile 
• 184239-35-8 1,2-bis(4-bromophenyl)-1,2-diphenylethylene 
• 78025-01-1 trans-1,2-di(4-cyanophenyl)-1,2-diphenylethylene 
• 90-90-4 (4-bromophenyl)(phenyl)methanone 
• 2116-36-1 1-benzyl-4-bromo-benzene 
• 1503-49-7 p-cyanobenzophenone 

Downstream Products

• 78025-01-1 trans-1,2-di(4-cyanophenyl)-1,2-diphenylethylene 
• 1002339-79-8 4,4’-(1,2-diphenylvinyl)-1,2-di(phenylcarboxylic acid) 

Relevant articles and documents

Piezochromic tetraphenylethylene compound as well as preparation method and application thereof

The invention relates to the technical field of fluorescent materials, in particular to a piezochromic tetraphenylethylene compound as well as a preparation method and application thereof. The tetraphenylethylene-based compound has excellent piezochromism

Molecular association-induced emission shifts for E/Z isomers and selective sensing of nitroaromatic explosives

Two 1,2-disubstituted tetraphenylethene E/Z isomers, each containing two cyano functional groups, were successfully synthesized and characterized. Unlike conventional tetraphenylethene molecules, the two isomers possess unique aggregation induced emission red-shift and enhancement behavior. Interestingly, the crystalline solids of these two isomers show distinct emission maxima, which are more than 50 nm apart from each other. These two isomers can selectively detect nitroaromatics, showing a quenching efficiency of picric acid more than 100 times higher than other nitroaromatics. The structural characterization, absorption, and emission in solutions as well as DFT calculations were conducted to help us gain deep insights into the chemistry of these species.

Merostabilization in radical ions, triplets, and biradicals. 6. The excited state behaviour of para-substituted tetraphenylethylenes

The half-wave oxidation and reduction potentials, measured by cyclic voltammetry, of tetraphenylethylene and a series of para-substituted (cyano, methyl, and methoxy) derivatives are found to correlate with ?+ and ?- values respectively.The deviations from these correlations that are observed for one of the derivatives (unsymmetrically substituted) are attributed to merostabilization.The nature of the first excited singlet state of these compounds is investigated by spectroscopic and photochemical means.Quantum yields for the direct cis-trans photoisomerization demonstrate that this provides the dominant pathway for decay of the singlet state.The ?,?* triplet energies are estimated from a qualitative investigation of the relative efficiencies of triplet-sensitized cis-trans isomerization as a function of sensitizer triplet energy.