H
Hiroaki Iitsuka
Researcher at Tokyo University of Agriculture and Technology
Publications - 6
Citations - 15
Hiroaki Iitsuka is an academic researcher from Tokyo University of Agriculture and Technology. The author has contributed to research in topics: Hydrogen bond & Crystal structure. The author has an hindex of 2, co-authored 6 publications receiving 11 citations.
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Journal ArticleDOI
Fluoro Group Pivoting Dual Hydrogen Bonding Intramolecular Bridge for 1,2-Bis(2-fluorophenyl)acenaphthenediol Molecule in Solution: NMR Spectrometrical Confirmation of Simultaneous Participation of F–C(sp2) Group to Through-space-couplings with Aromatic and Hydroxy Hydrogen Atoms
Takahiro Mido,Hiroaki Iitsuka,Miyuki Kobayashi,Keiichi Noguchi,Noriyuki Yonezawa,Akiko Okamoto +5 more
TL;DR: Dual hydrogen bonding intramolecular bridge pivoted by fluoro group for 1,2-bis(2-fluorophenyl)-3,8-dimethoxy-acenaphthenediol in solution is ascertained as simultaneous contribution of mutual fluorescence as discussed by the authors.
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Crystal structure of (1r,2s)-1,2-bis(4-chlorophenyl)-3,8-dimethoxyacenaphthene-1,2-diol: tetrameric string of four conformers connected by classical hydrogen bonds and molecular accumulation alignment by linking of the tetramers with the aid of non-classi
Takahiro Mido,Hiroaki Iitsuka,Takeshi Yokoyama,Genta Takahara,Kazuki Ogata,Noriyuki Yonezawa,Akiko Okamoto +6 more
TL;DR: In this article, the structure of (1 R,2 S )-1,2-bis (4-chlorophenyl)-3,8-dimethoxyacenaphthene-1-2-diol, C 26 H 20 O 4 Cl 2, is reported and discussed from the viewpoints of characteristics in spatial organization, i.e., single molecular structures of four conformers, tetrameric aggregates, and higher ordered structures, with clarification of a classical and two non-classical hydrogen bonding interactions as the structure determining interactions.
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The crystal structure of 1,8-bis(4-methoxybenzoyl)naphthalene-2,7-diyl dibenzoate, C40H28O8
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Crystal structure of bis(1,8-dibenzoyl-7-methoxynaphthalen-2-yl)terephthalate: Terephthalate phenylene moiety acts as bidentate hydrogen acceptor of bidirectional C-H···π non-classical hydrogen bonds
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Crystal structure of 1,2-bis(4-fluorophenyl)-1-hydroxy-2,3,8-trimethoxyacenaphthene: formation of a five-membered intramolecular O—H⋯O hydrogen-bonded ring
TL;DR: The structure of the title compound, C27H22F2O4, at 193'K has triclinic (P\overline{1}) symmetry as mentioned in this paper, and the 4-fluoro-phenyl rings make dihedral angles of 87.02'7' and 51.86'8'