92755-13-0Relevant articles and documents
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 Oxazolopyridine Derivatives
Matsuoka, Toshikazu,Shinada, Minoru,Suematsu, Fumihiro,Harano, Kazunobu,Hisano, Takuzo
, p. 2077 - 2090 (2007/10/02)
The 1,3-dipolar cycloaddition reactivity of pyridine N-oxides to phenyl isocyanate was calculated by the MINDO/3 MO method using the perturbation equation derived by Klopman and Salem.The calculated did not predict the low reactivity of acceptor substitut