Ring transformations of 2,3-dihydroisoxazoles via azomethine ylides—formation of annulated 5- and 7-membered N-heterocycles

Reversal of nitrone cycloaddition regioselectivity with electron-deficient dipolarophiles

Joyner Sims, K. N. Houk · Journal of the American Chemical Society · 1973 · 127 citations

Natural Sciences, Chemistry, Inorganic Chemistry +8

Tungstate catalysed oxidation of secondary amines with hydrogen peroxide. A novel transformation of secondary amines into nitrones

Hitoshi Mitsui, Sei-ichi Zenki, Tatsuki Shiota et al. · Journal of the Chemical Society Chemical Communications · 1984 · 82 citations

Natural Sciences, Chemistry, Catalysis +9

424. Experiments towards the synthesis of corrins. Part III. Formation of a bicyclic oxaziran from a Δ¹-pyroline and from the corresponding nitrone

Raymond Bonnett, V. M. Clark, A. H. TODD · Journal of the Chemical Society (Resumed) · 1959 · 55 citations

Natural Sciences, Chemistry, Medicinal Chemistry +7

1,7-Electrocyclic Reactions of α,β,γ,δ-Unsaturated 1,3-Dipoles as a Synthetic Route to Seven-Membered Heterocycles

Gaetano Zecchi · Synthesis · 1991 · 44 citations

Natural Sciences, Chemistry, Medicinal Chemistry +13

A study of periselectivity in the thermal cyclisation reactions of diene-conjugated diazo compounds: 1,7-cyclisation as a route to 3H-1,2-diazepines and 1,5-cyclisation leading to new rearrangement reactions of 3H-pyrazoles

Ian R. Robertson, John T. Sharp · Tetrahedron · 1984 · 44 citations

Natural Sciences, Chemistry, Medicinal Chemistry +11