Naoya Morohashi

Selective oxidation of thiacalix[4]arenes to the sulfinyl- and sulfonylcalix[4]arenes and their coordination ability to metal ions

Nobuhiko Iki, Hitoshi Kumagai, Naoya Morohashi et al. · Tetrahedron Letters · 1998 · 185 citations

Natural Sciences, Chemistry, Inorganic Chemistry +8

High Complexation Ability of Thiacalixarene with Transition Metal Ions. The Effects of Replacing Methylene Bridges of Tetra(<i>p</i>-<i>t</i>-butyl)calix[4]arenetetrol by Epithio Groups

Nobuhiko Iki, Naoya Morohashi, Fumitaka Narumi et al. · Bulletin of the Chemical Society of Japan · 1998 · 162 citations

Natural Sciences, Chemistry, Analytical Chemistry +14

Selective synthesis of three conformational isomers of tetrakis[(ethoxycarbonyl)methoxy]thiacalix[4]arene and their complexation properties towards alkali metal ions †

Nobuhiko Iki, Fumitaka Narumi, Toyohisa Fujimoto et al. · Journal of the Chemical Society Perkin Transactions 2 · 1998 · 144 citations

Natural Sciences, Chemistry, Catalysis +15

Selective oxidation of thiacalix[4]arenes to the sulfinyl and sulfonyl counterparts and their complexation abilities toward metal ions as studied by solvent extraction

Naoya Morohashi, Nobuhiko Iki, Atsushi Sugawara et al. · Tetrahedron · 2001 · 141 citations

Natural Sciences, Chemical Engineering, Chemistry +7

Energy transfer luminescence of Tb3+ ion complexed with calix[4]arenetetrasulfonate and the thia and sulfonyl analogue. The effect of bridging groupsElectronic supplementary information (ESI) available: emission spectra of Sm3+ and Dy3+ ions complexed with 2; emission spectra of Sm3+, Eu3+ and Dy3+ complexed with 3; continuous variation curves for the Tb3+ complexes with 2 and 3. See http://www.rsc.org/suppdata/p2/b0/b009151k/

Nobuhiko Iki, Takayuki Horiuchi, Oka Hiromi et al. · Journal of the Chemical Society Perkin Transactions 2 · 2001 · 106 citations

Natural Sciences, Chemistry, Materials Science +15