Synthesis and properties of 7,7-bis(heteroazulen-3-yl)-8,8-dicyano-1,4-quinodimethanes

Shin-ichi Naya, Kyosuke Yoda and Makoto Nitta

Tetrahedron, 2004, 60, 4953
DOI: 10.1016/j.tet.2004.04.031

Synthesis, properties, and oxidizing function of 6-substituted 7,9-dimethylcyclohepta[b]pyrimido[5,4-d]pyrrole-8(7H),10(9H)-dionylium tetrafluoroborates

Shin-ichi Naya and Makoto Nitta

Tetrahedron, 2003, 59, 7291
DOI: 10.1016/S0040-4020(03)01150-5

Synthesis, Stability, and Spectroscopic and Electronic Properties of Three Benzocyclohepta[a]azulenylium Ions1

Kazuo Yamane, Hiroyuki Yamamoto and Makoto Nitta

J. Org. Chem., 2002, 67, 8114
DOI: 10.1021/jo020136a

Effect of the structure of nitroxyl radicals on the kinetics of their acid-catalyzed disproportionation

Ivan V. Tikhonov, Vasily D. Sen', Leonid I. Borodin, Evgeny M. Pliss, Valery A. Golubev and Alexander I. Rusakov

J. Phys. Org. Chem., 2014, 27, 114
DOI: 10.1002/poc.3247

Synthesis and properties of bis(heteroazulen-3-yl)methyl cations and bis(heteroazulen-3-yl)ketones

Shin-ichi Naya and Makoto Nitta

Tetrahedron, 2003, 59, 4157
DOI: 10.1016/S0040-4020(03)00546-5

ChemInform Abstract: Synthesis and Properties of Stabilized Bis(2‐oxo‐2H‐cyclohepta[b]furan‐3‐yl)phenylmethyl and Bis(1,2‐dihydro‐2‐oxo‐N‐phenylcyclohepta[b]pyrrol‐3‐yl)phenylmethyl Cations and Their Derivatives: Remarkable Substituent Effect on the Conformation and Stability of the Cations.

Shin‐ichi Naya and Makoto Nitta

ChemInform, 2001, 32
DOI: 10.1002/chin.200112024

Synthesis and Reactivity of 3-Methylsulfinyl-2H-cyclohepta[b]furan-2-ones

Noboru Morita, Junya Higashi, Kazuyuki Okada, Taku Shoji, Kozo Toyota, Masataka Watanabe, Masafumi Yasunami, Shigeru Kikuchi and Shunji Ito

HETEROCYCLES, 2008, 76, 759
DOI: 10.3987/COM-08-S(N)85

A Novel Approach to 5,5’-Diisopropyl-3,3’-bi-2H-cyclohepta[b]furan-2-one

Noboru Morita, Junya Higashi, Kazuyuki Okada, Taku Shoji, Kozo Toyota, Masataka Watanabe, Masafumi Yasunami, Shigeru Kikuchi and Shunji Ito

HETEROCYCLES, 2007, 73, 237
DOI: 10.3987/COM-07-S(U)43

The Chemistry of 2H-Cyclohepta[b]furan-2-one: Synthesis, Transformation and Spectral Properties

Noboru Morita, Kozo Toyota and Shunji Ito

HETEROCYCLES, 2009, 78, 1917
DOI: 10.3987/REV-09-654

Novel synthesis and properties of 7,9-dimethylcyclohepta[b]pyrimido[5,4-d]thiophen-8(7H),10(9H)-dionylium tetrafluoroborate: autorecycling oxidation of some alcohols under photo-irradiation

Shin-ichi Naya, Hisashi Miyama, Kenji Yasu, Tohru Takayasu and Makoto Nitta

Tetrahedron, 2003, 59, 4929
DOI: 10.1016/S0040-4020(03)00769-5

Synthesis and properties of 5-[bis(1-heteroazulen-3-yl)methylidene]pyrimidine-2,4,6(1,3,5H)-triones

Shin-ichi Naya, Kyosuke Yoda and Makoto Nitta

Tetrahedron, 2005, 61, 8616
DOI: 10.1016/j.tet.2005.07.001

Synthesis and characterisation of N-substituted bis-phenols as precursors for unsymmetrical triarylmethane cations

Rupam J. Sarma, Chandan Tamuly and Jubaraj B. Baruah

Dyes and Pigments, 2007, 72, 75
DOI: 10.1016/j.dyepig.2005.08.001

Synthesis and Properties of 3,8-Diaryl-2H-cyclohepta[b]furan-2-ones

Taku Shoji, Daichi Ando, Masayuki Iwabuchi, Tetsuo Okujima, Ryuta Sekiguchi and Shunji Ito

Organics, 2024, 5, 252
DOI: 10.3390/org5030013

Reaction of 2H-Cyclohepta[b]furan-2-ones with Pyridinium Salts of Trifluoromethanesulfonic Anhydride

Noboru Morita, Tomohiro Matsuki, Masashi Nakashima, Taku Shoji, Kozo Toyota, Shigeru Kikuchi and Shunji Ito

HETEROCYCLES, 2006, 69, 119
DOI: 10.3987/COM-06-S(O)48

Novel synthesis and properties of 7,9-dimethylcyclohepta[b]pyrimido[5,4-d]furan-8(7H),10(9H)-dionylium tetrafluoroborate: autorecycling oxidation of some alcohols under photo-irradiation

Shin-ichi Naya, Hisashi Miyama, Kenji Yasu, Tohru Takayasu and Makoto Nitta

Tetrahedron, 2003, 59, 1811
DOI: 10.1016/S0040-4020(03)00118-2

Synthesis, Properties, and Oxidizing Ability of Areno-Annulated 1,3-Dimethyl-10-phenylcyclohepta[4,5]pyrrolo[2,3-d]pyrimidine- 2,4(1,3H)-dionylium Ions

Shin-ichi Naya, Hiroshi Ohtoshi and Makoto Nitta

J. Org. Chem., 2006, 71, 176
DOI: 10.1021/jo051777j

Synthesis and properties of novel 5-(cyclohepta-2′,4′,6′-trienylidene)pyrimidine-2(1H),4(3H),6(5H)-triones: methodology for synthesizing cyclohepta[b]pyrimido[5,4-d]furan-8(7H),10(9H)-dionylium tetrafluoroborates

Shin-ichi Naya and Makoto Nitta

Tetrahedron, 2003, 59, 3709
DOI: 10.1016/S0040-4020(03)00543-X