23429-43-8

Upstream product

• 6974-12-5 1,4-dibromo-2-butene 
• 104-88-1 4-chlorobenzaldehyde 
• 1112-96-5 (E)/(Z)-(But-2-en-1,4-diyl)bis-tetraethylester 
• 53643-43-9 (E)-2-butene-1,4-bis(triphenylphosphonium chloride) 

Downstream Products

• 36288-06-9 (E,E,E)-1,6-di(4-chlorophenyl)hexa-1,3,5-triene 

Relevant academic research and scientific papers

TRIARYLAMINE HYDRAZONE COMPOUND AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR

PROBLEM TO BE SOLVED: To provide a compound that improves the electric characteristics of electrophotographic photoreceptors. SOLUTION: A triarylamine hydrazone compound is represented by general formula (1) (R1-R6 independently represent a halogen atom, a substituted/unsubstituted C1-6 alkyl group, a substituted/unsubstituted C1-6 alkoxy group or a substituted/unsubstituted C6-14 aryl group; a is an integer of 1 to 3 or less; b-g independently represent an integer of 0-5). SELECTED DRAWING: Figure 1 COPYRIGHT: (C)2017,JPOandINPIT

TRIARYLAMINE HYDRAZONE COMPOUND AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR

PROBLEM TO BE SOLVED: To provide a compound that improves the electric characteristics of electrophotographic photoreceptors. SOLUTION: A triarylamine hydrazone compound is represented by formula (1) (R1-R6 independently represent halogen, a substituted/unsubstituted C1-6 alkyl group, a C1-6 alkoxy group or a substituted/unsubstituted C6-14 aryl group; a is an integer of 1 to 3 or less; b and c independently represent 0 or 1; d, e, f, g, h and i independently represent an integer of 0-5). SELECTED DRAWING: Figure 1 COPYRIGHT: (C)2017,JPOandINPIT

TRIARYLAMINE DERIVATIVE, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR

PROBLEM TO BE SOLVED: To provide a triarylamine derivative which allows an electrophotographic photoreceptor to be produced. SOLUTION: A triarylamine derivative is represented by, for example, formula (1). (R1 and R2 are the same or different and each selected from the group consisting of a halogen atom, an optionally substituted C1-6 alkyl group, an optionally substituted C1-6 alkoxy group and an optionally substituted C6-12 aryl group. k and l are each an integer of 0-4; m and n are each an integer of 1-3.) SELECTED DRAWING: Figure 1 COPYRIGHT: (C)2016,JPOandINPIT

Halogenated (F, Cl, Br, or I) Diphenylhexatrienes: Crystal Structures, Fluorescence Spectroscopic Properties, and Quantum Chemical Calculations

A series of halogenated compounds, (E,E,E)-1,6-di(4-X-phenyl)hexa-1,3,5-trienes (1: X = F, 2: X = Cl, 3: X = Br, 4: X = I), were synthesized and their crystal structures and fluorescence emission properties were systematically investigated. Single-crystal X-ray analysis reveals that molecules are arranged via X/X halogen bonds and/or CH/X-type hydrogen bonds to form a herringbone structure in 1 and π-stacked structures in 2-4. In the structures of 2 and 3, which are almost isomorphous, the distance and displacement for the nearest stacking molecules are smaller than those in 4. Although the structures of 2-4 are basically not greatly different from each other, the nearest-neighbor arrangements are π-stacked in 2 and 3, but herringbone in 4. Steady-state and time-resolved measurements show that the solid-state fluorescence properties also strongly depend on the halogen size. The fluorescence spectra are red-shifted and the Stokes shifts are large in 2 and 3 relative to those in 1 and 4, resulting from the difference in molecular arrangement in the crystal structure. The experimentally observed clear correlation between crystal structure and optical transition energy is reproduced fairly well by quantum chemical calculations for the excited states of molecular pairs in the X-ray determined structures of 1-4.

Effect of substituents and conjugated chain length on the UV spectra of α,ω-di-substituted phenyl polyenes

A series of α,ω-di-substituted phenyl polyenes, p-X-Ph(CH = CH)nPh-p-Y (n = 1, 2, or 3) were synthesized, and their ultraviolet (UV) absorption maximum wavelength were determined. The correlation between molecular structure and the maximum wavelength energy (wavenumber/cm -1) was carried out. The results show that the maximum wavelength energy of the title compounds is mainly affected by both substituent excited-state parameters and maximum wavelength energy of the parent molecule. However, the two influence factors are not independent, and the action of substituent is governed by the parent molecular absorption energy. In the case of the compounds containing NO2 or NH2 groups, the influence of interaction of polarity parameters on the maximum wavelength energy must also be considered. In addition, the exploration was also made for the quantifying correlation of UV absorption maximum wavelength energy with the conjugated polarizability potential CPP replacing the parent molecular absorption energy. And the results indicate that the equation with CPP parameters is more accurate and convenient. Copyright 2013 John Wiley & Sons, Ltd. For the α,ω-di-substituted phenyl polyenes, p-X-Ph(CH = CH)nPh-p-Y (n = 1, 2, or 3), their ultraviolet absorption maximum wavelength energy (wavenumber/cm-1) was mainly affected by both substituent excited-state parameters and maximum wavelength energy of the parent molecule. However, the two influence factors are not independent, and the action of substituent is governed by the parent molecular absorption energy. Copyright