22. Reaction of Aromatic N-Oxides with Dipolarophiles. III.
Cycloadditions of Substituted Phenyl Isocyanates to 3,5-Dimethyl and 3,5-Dibromopyridine N-Oxides and X-Ray Crystal Structures of the Isomeric Cycloadducts
T. Hisano, M. Ichikawa, M. Matsuoka, H. Hagiwara, K. Muraoka, T. Komori, K. Harano, Y. Ida and A. T. Christensen
48. Reaction of Aromatic N-Oxides with Dipolarophiles. VI. Further Studies on 1,3-Dipolar Cycloaddition Reaction of Pyridine N-Oxides with Phenyl Isocyanates
K. Harano, F. Suematsu, T. Matsuoka and T. Hisano
(1984 ・ Chem. Pharm. Bull. ・ 32(2) ・ (543-552). ⭕
49. Reaction of Aromatic N-Oxides with Dipolarophiles. VII. Effect of Aromaticity on 1,3-Dipolar Cycloaddition Reactivity of Substituted Pyridine N-Oxides and Preparation of Oxazolo[4,5-b]pyridine Derivatives
T. Hisano, K. Harano, T. Matsuoka, F. Suematsu and N. Ohizumi
53. Reaction of Aromatic N-Oxides with Dipolarophiles. IX. Formation of 1:2 Cycloadduct of 2-Alkylpyridine N-Oxides and Phenyl Isocyanates and a Frontier Molecular Orbital Study
T. Matsuoka, K. Harano, H. Kubo and T. Hisano
(1986 ・ Chem. Pharm. Bull. ・ 34(2) ・ (572-581). ⭕
54. Reaction of Aromatic N-Oxides with Dipolarophiles. X. Role of Charge-Transfer Complexes in 1,3-Dipolar Cycloaddition of Pyridine N-Oxides to Phenyl Isocyanate
K. Harano, R. Kondo, M. Murase, T. Matsuoka and T. Hisano
(1986 ・ Chem. Pharm. Bull. ・ 34(3) ・ (966-974). ⭕
55. Reaction of Aromatic N-Oxides with Dipolarophiles. XI. 1,3-Dipolar Cycloaddition Reaction of Pyridine N-Oxide with Tosyl Isocyanate and One-pot Synthesis of 2-Oxooxazolo[4,5-b]pyridine Derivatives
T. Hisano, K. Harano, R. Fukuoka, T. Matsuoka, K. Muraoka and I. Shinohara
74. Reaction of Aromatic N-Oxides with Dipolarophiles. XVII.
Cycloaddition Behavior of Allenes Toward Pyridine N-Oxides and Formation of Azetidine-Type Cycloadduct
T. Matsuoka, T. Hasegawa, K. Harano and T. Hisano
(1992 ・ Heterocycles ・ 33(1) ・ (179-188))
89. Reaction of Aromatic N-Oxides with Dipolarophiles. XVIII.
Formation Mechanism and X-Ray Structure of the Cycloadduct from Sequential Pericyclic Reaction of Pyridine N-Oxides with Phenylsulfonyl Allene
T. Matsuoka, T. Hasegawa, M. Eto, K. Harano and T. Hisano
(1993 ・ J. Chem. Soc. Perkin Trans. 2 ・ (1859-1865))
91. Reaction of Aromatic N-Oxides with Dipolarophiles. XIX. PM3 Analysis of Sequential Pericyclic Reactions Between Pyridine N-Oxides and Allenes,
T. Matsuoka, T. Hasegawa, K. Harano and T. Hisano
Heterocycles, 34, 257-264(1994).
98. Ab Initio and PM3 Analysis of 1,3-Dipolar Cycloaddition Reaction between Pyridine N-Oxides and Isocyanates. Theoretical Evidence of Concerted and Nonsynchronous Mechanism with Zwitterionic Character(PyNO)