Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Tatsuya Tachikawa"'
Autor:
Tatsuya TACHIKAWA
Publikováno v:
Journal of Computer Chemistry, Japan. 21:A3-A4
Autor:
Mikio Yasutake, Yutaro Miyazaki, Tatsuya Tachikawa, Takuji Hirose, Mizuki Watabe, Sho Akimoto, Koichi Kodama
Publikováno v:
Tetrahedron. 71:4714-4721
Four triphenylene (TP) and four hexa-peri-hexabenzocoronene (HBC) derivatives with trialkylsilylethynyl groups were prepared and characterized by differential scanning calorimetry, polarizing optical microscopy, and X-ray diffraction measurements. Al
Autor:
Mikio Yasutake, Tatsuya Tachikawa, Hiroaki Takai, Hiroyuki Minamikawa, Koichi Kodama, Mizuki Watabe, Takuji Hirose
Publikováno v:
Tetrahedron. 70:5100-5108
Synthesis and mesophase-transition behaviors of six 1,6-disubstituted pyrene-based hexacatenar liquid crystals 1 n ( n =8–18) are reported here. They were synthesized by the Sonogashira coupling between 1,6-diethynylpyrene and 2-bromothiophene bear
Autor:
Shingo Kurauchi, Hidehiko Nakano, Tatsuya Tachikawa, Keiko Nakamura, Hiroshi Sato, Kouichi Nozawa, Hitoshi Goto
Publikováno v:
Journal of Computer Chemistry, Japan. 10:141-146
Journal of Computer Chemistry, Japan (JCCJ)では,J-STAGEの投稿・審査システム(J-STAGE2)を利用して投稿から公開までの作業をWeb上で行っている.J-STAGE2での論文公開は,PDF形式で行われてきたが,世
Publikováno v:
Molecular Crystals and Liquid Crystals. 431:461-466
3,7-Bis(N,N-diethylamino)-10-(phenylthio)carbonylphenoxazine (1a) and its analogs (1b–f) were synthesized and the color change after γ irradiation was investigated. The color change of acetonitrile solutions of 1a ([1a]0 = 1.0 × 10−3 M) after
Publikováno v:
Journal of Photopolymer Science and Technology. 16:187-190
A leuco crystal violet analog, tris(4-N, N-dimethylaminophenyl)methanethiol (1) was synthesized and utilized to the γ rays detection system. Acetonitrile solution of leuco dye 1 showed significant absorbance change after γ irradiation of 1 Gy, and
Publikováno v:
Journal of Photopolymer Science and Technology. 16:191-194
A novel phenoxazine color former, 3, 7-bis(N, N-diethylamino)-10-(2, 2, 2-trichloroethoxycarbonyl)phenoxazine (1), was synthesized. Acetonitrile solution of colorless 1 was observed to give blue cation 2a by γ irradiation of 10 Gy. Little absorbance
Publikováno v:
Journal of Photopolymer Science and Technology. 14:245-249
Autor:
Masao Kaneko, Daisuke Goma, Sumio Tokita, Isao Nagashima, Hidenobu Shiroishi, Tatsuya Tachikawa
Publikováno v:
Journal of Photopolymer Science and Technology. 14:239-243
5, 8-Diphenyl-5, 8-dihydroanthra[1, 9-bc:4, 10-b′c′]diquinoline (ADQ, 3) and its endoperoxide (ADQepo, 4) were photochromic compounds with high heat stability. By heating above 100°C, colorless ADQepo (4) was slowly converted to green ADQ (3) in
Publikováno v:
Dyes and Pigments. 48:35-41
The first absorption maxima of linear para acenoquinones (LPAs) were calculated by the Pariser–Parr–Pople molecular orbital (PPP MO) method using a novel, two-centre electron repulsion integral new-γ. The spectrochemical softness parameter k in