Cycloaddition of N-acylimines with cyclobutadienes

Properties of the [4]annulene system. Induced paramagnetic ring current

S. Masamune, Nobuo Nakamura, M. Suda et al. · Journal of the American Chemical Society · 1973 · 121 citations

Natural Sciences, Chemistry, Electronic Materials +9

Novel aromatic systems. II. Cyclobutenyl cations and the question of their homoaromaticity. Preparation and study of the homocyclopropenium ion, the simplest homoaromatic system

George A. Olah, John S. Staral, Robert J. Spear et al. · Journal of the American Chemical Society · 1975 · 93 citations

Natural Sciences, Chemistry, Analytical Chemistry +10

Synthesis of Nitrogen-containing Heterocycles by the Imino Diels-Alder Reaction

Steven M. Weinreb, Jeremy I. Levin · Heterocycles · 1979 · 89 citations · Full text

Natural Sciences, Chemistry, Inorganic Chemistry +8

A Facile Method for the Synthesis of Substituted<i>N</i>-Methylenecarboxamides and Alkyl<i>N</i>-Methylenecarbamates

Rainer Kupfer, Stefan C. Meier, E.‐U. Würthwein · Synthesis · 1984 · 71 citations

Natural Sciences, Chemistry, Medicinal Chemistry +4

Aluminum trichloride .sigma. complexes of cyclobutadienes

P. B. J. Driessen, H. Hogeveen · Journal of the American Chemical Society · 1978 · 49 citations

Natural Sciences, Chemistry, Analytical Chemistry +8