4640-41-9Relevant articles and documents
Design of a novel cyclopropane donor bis(trimethylsilylmethyl)cyclopropane and its electron transfer reactions
Oku, Akira,Yamauchi, Yoshihito,Schroeder, Marc
, p. 1194 - 1195 (2001)
A novel donor of SET reactions, 1,1-bis(trimethylsilylmethyl)-2-phenylcyclopropane (BTCP), was designed to function as a homoallylic 1-phenyl-3-(trimethylsilylmethyl)-3-butenyl radical (5). Thus, non-irradiated reaction of BTCP with DDQ or chloranil gave
Hageman,McNelis
, p. 3300 (1975)
Preparation and Electrochemical and Optical Properties of α-Alkoxyphthalocyanines with β-Pyridylthio Groups
Kimura, Takeshi,Kudo, Chiko,Nakajo, Shiduko
, p. 4006 - 4013 (2019)
Phthalocyanines (Pcs) 5a-Mg, 5b-Mg, 6a-Mg, and 6b-Mg with eight alkoxy groups at α-positions and 2- or 4-pyridylthio groups at the β-positions, were prepared from 3,6-dialkoxy-4,5-dipyridylthiophthalonitriles. Magnesium complexes 5a-Mg, 5b-Mg, and 6a-Mg were treated with trifluoroacetic acid to produce free-base compounds 5a-2H, 5b-2H, and 6a-2H. In the UV/Vis spectra, Q-band absorption of Mg and free-base Pcs appeared near 760 nm and 780 nm, respectively, in chloroform and 745 nm and 760 nm, respectively, in methanol. Emission spectra of these Pcs showed small Stokes shifts in chloroform and methanol. Reactions of 5a-Mg, 5b-Mg, and 5b-2H with methyl iodide produced the corresponding Pcs 7a-Mg, 7b-Mg, and 7b-2H with methyl pyridinium groups, respectively. After methylation of the pyridine nitrogen, the Pcs were moderately soluble in water but had little solubility in chloroform. The UV/Vis and emission spectra of methylated Pcs 7a-Mg, 7b-Mg, and 7b-2H were obtained in methanol and water. Photobleaching of diphenylisobenzofuran (DPBF) was examined in methanol in the presence of Pcs 7b-Mg and 7b-2H, and was monitored by UV/Vis spectroscopy.
Discotic liquid crystals of transition metal complexes, 55 : Novel chlorine-substituted phthalocyanine derivatives showing mesomorphism and low HOMO energy level
Yatabe, Masashi,Kajitani, Akio,Yasutake, Mikio,Ohta, Kazuchika
, p. 32 - 45 (2018/03/26)
We have synthesized a series of novel phthalocyaninato copper(II) (abbreviated as PcCu) compounds, 1,4,8,11,15,18,22,25-octakisalkoxy-2,3,9,10,16,17,23,24-octachloro-phthalocyaninato copper(II) (abbreviated as (α-CnO)8(β-Cl)8PcCu (4a-4d): n = 6 (a), 8 (b), 10 (c) and 12 (d)) and, for comparison, another series of PcCu compounds, 1,4,8,11,15,18,22,25-octakisalkoxyphthalocyaninato copper(II) (abbreviated as (α-CnO)8PcCu (1a-1d)). The PcCu derivatives 1a-1d are substituted by alkoxy chains only at the α positions (1,4,8,11,15,18,22,25). On the other hand, the PcCu derivatives 4a-4d are substituted by alkoxy chains at the α positions and chlorine atoms at the β positions (2,3,9,10,16,17,23,24). We have investigated the influence of chlorine atoms substituted at the β positions of the Pc ring on mesomorphism, spectroscopic and electronic properties for these two series of PcCu derivatives 1 and 4 by using a polarizing optical microscope, DSC, temperature-variable small angle X-ray diffractometer, a UV-Vis spectrophotometer and cyclic voltammetry. Each of the derivatives 1a-1d is crystalline without showing mesomorphism. On the other hand, each of the chlorine-substituted PcCu derivatives 4a-4d shows plural phase transitions, and the longer chain-substituted PcCu derivatives 4c-4d show a rectangular ordered columnar [Colro(P2m)] mesophase. Furthermore, we have revealed that each of the PcCu derivatives 4a-4d shows a Q-band in the near-infrared region and a lower HOMO energy level than conventional phthalocyanine derivatives.
NOVEL COMPOUND,PHOTOSENSITIVE RESIN COMPOSITION COMPRISING THE SAME AND COLOR FILTER
-
Paragraph 0219-0221, (2017/09/20)
Provided are a compound represented by chemical formula 1, a photosensitive resin composition comprising the same and a color filter manufactured by using the photosensitive resin composition. In the chemical formula 1, each substituent is the same as defined in the specification. The compound of the present invention has excellent solubility with respect to an organic solvent.COPYRIGHT KIPO 2017
