Zobrazeno 1 - 10
of 139
pro vyhledávání: '"Tadao Hakushi"'
Publikováno v:
Developments in Chemical Engineering and Mineral Processing. 11:481-490
The cation-binding by a series of oligoethylene glycol glyme derivatives has been performed by the solvent extraction of alkali metal picrates between water and dichloromethane. The effect of the length of the oligoethylene unit and the substituents
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c16ecaeb795c61cb5967a3cb6ea4342a
https://doi.org/10.1002/apj.5500110606
https://doi.org/10.1002/apj.5500110606
Autor:
Norio Nishiyama, Takashi Sugimura, Akira Tai, Rumiko Tsuchida, Hiromitsu Iguchi, Tadao Hakushi
Publikováno v:
Tetrahedron: Asymmetry. 9:1007-1013
Diastereoface-differentiating oxidation of the chiral enol ether prepared from cyclohexanone and optically active 2,4-pentanediol gave a diastereomeric mixture of the corresponding 2-hydroxycyclohexanone acetal. The diastereomeric excess of the produ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db645cacbd7e04265c56538f8e3c3369
https://doi.org/10.1016/s0957-4166(98)00046-9
https://doi.org/10.1016/s0957-4166(98)00046-9
Publikováno v:
Journal of the American Chemical Society. 119:472-478
Enantiodifferentiating photoisomerizations of (Z,Z)-1,3-cyclooctadiene (1ZZ) to the chiral E,Z-isomer 1EZ were performed at varying temperatures in the presence of some benzenepoly-, naphthalene(di...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b2b47346f7d61d382335114755f06ae
https://doi.org/10.1021/ja963160c
https://doi.org/10.1021/ja963160c
Autor:
Tadao Hakushi, Mikio Ouchi
Publikováno v:
Coordination Chemistry Reviews. 148:171-181
The cation-binding abilities of crown ethers for thallium(I) ion are described. Unsubstituted symmetrical and unsymmetrical crown-5 and crown-6 ethers usually possess high thallium(I) ion binding ability; however, its selectivity against alkali metal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef3cb0bd98278128c0c7189384911255
https://doi.org/10.1016/0010-8545(96)01208-8
https://doi.org/10.1016/0010-8545(96)01208-8
Publikováno v:
Organometallics. 13:4912-4918
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfbefc04af0cb5cae2fac497323567c3
https://doi.org/10.1021/om00024a038
https://doi.org/10.1021/om00024a038
Publikováno v:
Tetrahedron: Asymmetry. 5:1163-1166
Intramolecular meta -arene-alkene photocycloaddition of 1b , the substrate having a chiral auxiliary as a linking bridge between the arene and the alkene, resulted in high diastereofacial differentiation of the alkene at the addition step and suffici
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::305c0316d15bd059fa3417b958f83df9
https://doi.org/10.1016/0957-4166(94)80147-9
https://doi.org/10.1016/0957-4166(94)80147-9
Autor:
Mikio Ouchi, Tadao Hakushi, Kizakkekoikkal K. Chacko, Takashi Araki, Konstantinos Skobridis, M. Elizabeth Sobhia, Edwin Weber
Publikováno v:
Bulletin of the Chemical Society of Japan. 66:2309-2314
The cation binding of dibenzo-20-crown-6 (2) and dibenzo-22-crown-6 (3) are determined by quantitative solvent extraction study. Compound 3 shows high Tl+/K+ and Tl+/Rb+ selectivity. The crystal structure of 3 is reported. Crystal data: monoclinic (P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2fe956059f0a3e8e2a7089dc681aa5f
https://doi.org/10.1246/bcsj.66.2309
https://doi.org/10.1246/bcsj.66.2309
Autor:
Tadao Hakushi, Manabu Fujiwara, Mikio Ouchi, Yuko Yamashoji, Takayuki Matsushita, Minoru Tanaka
Publikováno v:
Polyhedron. 12:1239-1244
The higher selectivity towards a thallium(I) ion of dibenzo-22-crown-6 (DB22C6) compared with dibenzo-18-crown-6 (DB18C6) and dibenzo-20-crown-6 (DB20C6) was investigated by 1 H and 13 C NMR spectroscopy and 13 C relaxation time ( T 1 ) measurements.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::051d02f1fa514e4ffc03193fae63c9ee
https://doi.org/10.1016/s0277-5387(00)88217-0
https://doi.org/10.1016/s0277-5387(00)88217-0