We are interested in physical organic chemistry based on designs and syntheses of new pi-electronic system.

Keywords: organic open-sell molecules, pi-electronic compounds, energy transfer, electron transfer, dendrimer, porphyrin, electron-donor, electron-acceptor

Stable diradical with very large ferrimagnetic intermolecular interaction

“Nitroxide-Substituted Nitronyl Nitroxide and Iminonitroxide”

J. Am. Chem. Soc. 2010, 132, 15908-15910.

Radical-substituted radical cation

“Trinitroxide-trioxytriphenylamine: Spin State Conversion from Triradical Doublet to Diradical Cation Triplet by Oxidative Modulation of a pi-Conjugated System”

Angew. Chem., Int. Ed. 2012, 51, 3193-3197.

“A New Ferrimagnet Based on a Radical-Substituted Radical Cation Salt”

J. Am. Chem. Soc. 2009, 131, 4670-4673.

“A Stable Radical-Substituted Radical Cation with Strongly Ferromagnetic Interaction: Nitronyl Nitroxide-Substituted 5,10-Diphenyl-5,10-dihydrophenazine Radical Cation”

J. Am. Chem. Soc. 2004, 126, 58-59.

Dendrimer with rigid-pi-electronic backbones

“A Light-Harvesting Array Composed of Porphyrins and Rigid Backbones”

Org. Lett. 2008, 10, 4477-4480.

“Stepwise Construction of a Cross-shaped Covalent Assembly of Dendrimers”

Tetrahedron Lett. 2008, 49, 2931-2934.

Spin-controlled photo-induced electron transfer

“Highly Efficient Photoproduction of Charge-Separated States in Donor-Acceptor-Linked Bis(acetylide) Platinum Complexes”

J. Am. Chem. Soc. 2009, 131, 10374-10375.

“Photoinduced Electron Transfer of N-[(3- and 4-Diarylamino)phenyl]-1,8-Naphthalimide Dyads: Orbital-Orthogonal Approach in a Short-linked D-A System”

J. Phys. Chem. A 2008, 112, 2533-2542.