Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Tomoyoshi Fukagawa"'
Autor:
Soh-ichi Kitoh, Noriko Kitamura, Shigeru Kohtani, Ryoichi Nakagaki, Tomoyoshi Fukagawa, Ko-Ki Kunimoto
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 188:378-386
Among several newly synthesized coumarins are 7-pyrrolyl coumarins and carbazole-coumarin hybrids (2-pyranone-condensed carbazoles). Their spectral properties and crystal structures are discussed by comparing with those of related 7-aminocoumarin der
Autor:
Hiroyuki Saigusa, Robert J. Gordon, Shigeru Kohtani, Naoki Miyakoshi, Chisato Mukai, Ryoichi Nakagaki, Tomoyoshi Fukagawa
Publikováno v:
The Journal of Chemical Physics. 119:5414-5422
The S1←S0 electronic spectra of 4-dimethylaminobenzonitrile-h6 and -d6 (DMABN) and dimethylaniline-h6 and -d6 have been reexamined, and new electronic origins have been observed for the -d6 species, approximately 65 cm−1 lower in energy than prev
Autor:
Shigeru Kohtani, Soh-ichi Kitoh, Noriko Kitamura, Ko-Ki Kunimoto, Ryoichi Nakagaki, Tomoyoshi Fukagawa
Publikováno v:
Analytical Sciences: X-ray Structure Analysis Online. 22:x219-x220
The crystal structure of 10H-4-methyl-2H-2-oxopyrano[5,6-b]carbazole hydrate was determined by X-ray diffraction. The crystal, 2C16H11NO2·H2O, belongs to space group P21/a with cell dimensions of a = 7.927(6)A, b = 22.78(1)A, c = 13.73(1)A, β = 102
Autor:
Soh-ichi Kitoh, Shigeru Kohtani, Ryoichi Nakagaki, Noriko Kitamura, Ko-Ki Kunimoto, Tomoyoshi Fukagawa
Publikováno v:
Analytical Sciences: X-ray Structure Analysis Online. 22:x187-x188
Substituted 7aminocoumarins form an important class of laser dyes for the blue-green region. In this paper we report on the crystal structure of 7-(1H-pyrrol-1-yl)-4-methyl-2H-1-benzopyran-2one (I, see Figs. 1 and 2). This compound can be regarded as
Autor:
Soh-ichi Kitoh, Noriko Kitamura, Shigeru Kohtani, Ko-Ki Kunimoto, Ryoichi Nakagaki, Tomoyoshi Fukagawa
Publikováno v:
Analytical Sciences: X-ray Structure Analysis Online. 22:x189-x190
Crystal Structure of 7-(1H-pyrrol-1-yl)-4-trifluoromethyl-2H-1-benzopyran-2-one has been determined by X-ray diffraction. The crystal, C14H8NO2F3, belongs to space group P21/n with cell dimensions of a = 10.201(6)A, b = 8.481(8)A, c = 13.864(8)A, β