John F. Hansen

Unsaturated heterocyclic systems. LXXIII. .pi.-Equivalent heterocyclic congeners of cyclooctatetraene. Synthesis and valance isomerization of 2-alkoxyazocines

Leo A. Paquette, Tsuyoshi Kakihana, John F. Hansen et al. · Journal of the American Chemical Society · 1971 · 36 citations

Heterocyclic, Altmetric Attention Score, Organic Chemistry +9

Halogenation of N-oxygenated pyrazoles. Preparation of N-oxygenated 4-halopyrazole and 4,4-dihalo-4H-pyrazole derivatives

John F. Hansen, Yong In Kim, Linus J. Griswold et al. · The Journal of Organic Chemistry · 1980 · 29 citations

N-oxygenated Pyrazoles, Halogenation, Chemical Engineering +13

Reaction of vinyl ketoximes with <i>N</i>‐bromosuccinimide. Synthesis of isoxazoles and 4‐bromoisoxazolines

John F. Hansen, Scott A. Strong · Journal of Heterocyclic Chemistry · 1977 · 28 citations

Chemical Engineering, Natural Product Synthesis, Engineering +10

Photochemical synthesis of 6,7-dihydro-5H-dibenz[c,e]azepine and 5,6,7,8-tetrahydrodibenz[c,e]azocine derivatives

Peter W. Jeffs, John F. Hansen, George A. Brine · The Journal of Organic Chemistry · 1975 · 26 citations

Derivative (Chemistry), Heterocyclic, Photochemical Synthesis +10

Unsaturated heterocyclic systems. LXXV. Generation and protonation of azocinyl dianions

Leo A. Paquette, John F. Hansen, Tsuyoshi Kakihana · Journal of the American Chemical Society · 1971 · 25 citations

Engineering, Chemical Analysis, Altmetric Attention Score +16