Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Soh-ichi Kitoh"'
Autor:
Soh-ichi Kitoh, Yijing Feng, Shuhei Fujinami, Masaki Ichitani, Mitsunori Honda, Ko-Ki Kunimoto
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 11, Pp o1699-o1699 (2013)
In the title compound, C11H9FN2O2S, the 2-sulfanylideneimidazolidin-4-one moiety is essentially planar, with a maximum deviation of 0.0183 (14) Å. The mean plane of this moiety is approximately coplanar with the attached acetyl group and perpendicul
Externí odkaz:
https://doaj.org/article/7059cca75a064af1b4e4508118e647f5
Autor:
Masaki Ichitani, Soh-ichi Kitoh, Shuhei Fujinami, Mitsuhiro Suda, Mitsunori Honda, Ko-Ki Kunimoto
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 6, Pp o953-o953 (2013)
In the title compound, C7H12N2OS, the 2-sulfanylideneimidazolidin-4-one moiety is nearly planar, with a maximum deviation of 0.054 (2) Å. In the crystal, a pair of N—H...O hydrogen bonds and a pair of N—H...S hydrogen bonds each form a centrosym
Externí odkaz:
https://doaj.org/article/77a69285914a4c4580c17f5dcb4a50ca
Publikováno v:
European Journal of Chemistry. 5:305-310
IR and Raman spectra of lithium pyruvate monohydrate and its O- and C-deuterated and 13 C- and 18 O-substituted compounds have been recorded in the solid state, and the observed bands have been assigned by using the isotope effects and the normal coo
Autor:
Soh-ichi Kitoh, Ko-Ki Kunimoto, Mitsunori Honda, Shuhei Fujinami, Keiko Tanaka, Mitsuhiro Suda, Masaki Ichitani
Publikováno v:
European Journal of Chemistry. 5:6-10
Crystal structures of racemic and enantiomeric 5-isopropyl-5-methylhydantoin (IPrMH) have been determined by single crystal X-ray diffraction. Melting temperatures and solid state infrared spectra are also measured. Racemic IPrMH has a lower melting
Autor:
Kazuhiko Hanai, Mitsunori Honda, Shuhei Fujinami, Keiko Tanaka, Akio Kuwae, Ko-Ki Kunimoto, Mitsuhiro Suda, Masaki Ichitani, Soh-ichi Kitoh
Publikováno v:
European Journal of Chemistry. 4:350-352
( S )-5-Isopropyl-5-methyl-2-thiohydantoin was synthesized by one-pot reaction of α-methyl- L -valine and thiourea in the absence of solvent. The crystal structure of this compound has been determined from single crystal X-ray diffraction data. This
Publikováno v:
Spectroscopy Letters. 42:73-80
金沢大学理工研究域物質化学系
The crystal structures of 5-benzyl-2-thiohydantoin (5-BTH) and 1-acetyl-5-benzyl-2-thiohydantoin (1-Ac-5-BTH) have been determined by X-ray diffraction. In the 5-BTH crystals, the enantiomeric (R)- and
The crystal structures of 5-benzyl-2-thiohydantoin (5-BTH) and 1-acetyl-5-benzyl-2-thiohydantoin (1-Ac-5-BTH) have been determined by X-ray diffraction. In the 5-BTH crystals, the enantiomeric (R)- and
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
Publikováno v:
Journal of Molecular Structure. 737:277-282
Racemic 4-phenyl-1,3-thiazolidin-2-one (4-PTO) crystallizes in the form of conglomerate. The conglomerate formation has been confirmed by analyzing Weissenberg X-ray photographs and IR, Raman spectra of the racemate and the enantiopure 4-PTO crystals
Publikováno v:
Crystal Research and Technology. 39:375-381
Crystal structures of (R)- and (rac)-4-phenyl-1,3-oxazolidin-2-one (4-POO) have been determined by X-ray diffraction and characterized by the solid state 13C NMR and IR spectra. Molecular geometries and intermolecular interactions in (R)- and (rac)-4
Publikováno v:
Journal of Chemical Crystallography. 32:547-553
The crystal structures of (rac)- and (R)-4-phenyl-1,3-oxazolidine-2-thione (4-POT) have been determined by X-ray diffraction. The structure of (rac)-4-POT is monoclinic P21/n with a = 11.9096(9) A, b = 5.9523(6) A, c = 12.3563(8) A, β = 91.054(6)°,