Howard C. Berk

Domino Diels-Alder reactions. 6. Domino Diels-Alder cycloadditions to 9,10-dihydrofulvalene and 11,12-dihydrosesquifulvalene. A synthetic tool for the elaboration of polycondensed alicyclic systems

Leo A. Paquette, Matthew J. Wyvratt, Howard C. Berk et al. · Journal of the American Chemical Society · 1978 · 62 citations

Domino Diels-alder Reactions, Domino Diels-alder Cycloadditions, Engineering +11

Preparation of Trifluoromethylsulfonylpyrroles via Mesoionic Intermediates

Howard C. Berk, John E. Franz · Synthetic Communications · 1981 · 19 citations

Novel Hetero Structures, Engineering, General Preparation +7

Unsaturated heterocyclic systems. XCII. Nitrogen analogs of 1,6-methano[12]annulene. Effect on valence tautomerism of the locus of aza substitution

Leo A. Paquette, Howard C. Berk, Steven V. Ley · The Journal of Organic Chemistry · 1975 · 16 citations

Inorganic Chemistry, Engineering, Heterocyclic +13

Unsaturated heterocyclic systems. LXXXV. Benzoannelation effects on azocine reactivity. Chemical and polarographic reduction of several mono-, di-, and tribenzomethoxyazocines

Leo A. Paquette, Larry B. Anderson, John F. Hansen et al. · Journal of the American Chemical Society · 1972 · 14 citations

Azocine Reactivity, Heterocyclic, Chemical Analysis +10

Periselective addition of mesoionic compounds to tetracyanoethylene. Preparation of [(dicyanovinyl)hydrazono]malononitriles

Howard C. Berk, John E. Franz · The Journal of Organic Chemistry · 1979 · 13 citations

Chemical Engineering, Chemical Measurement, Engineering +11