Katsuya Maeyama

W(CO)₅·THF-Catalyzed Endo-Selective Cyclization of ω-Acetylenic Silyl Enol Ethers

Katsuya Maeyama, Nobuharu Iwasawa · Journal of the American Chemical Society · 1998 · 137 citations

Engineering, Heterocyclic, Altmetric Attention Score +10

W(CO)₅·THF-Catalyzed Electrocyclizations of Aromatic Enynes via Vinylidene Intermediates

Katsuya Maeyama, Nobuharu Iwasawa · The Journal of Organic Chemistry · 1999 · 113 citations

Chemical Engineering, Enantioselective Synthesis, Engineering +8

Reactions of Propargyl Metallic Species Generated by the Addition of Alkynyllithiums to Fischer-Type Carbene Complexes

Nobuharu Iwasawa, Katsuya Maeyama, Masatoshi Saitou · Journal of the American Chemical Society · 1997 · 89 citations

Inorganic Chemistry, Chemical Engineering, Cross-coupling Reaction +13

Novel Synthesis of Pentacarbonylbenzopyranylidenetungsten(0) Complexes and Their Diels−Alder Reaction with Electron-Rich Alkenes

Nobuharu Iwasawa, Masahide Shido, Katsuya Maeyama et al. · Journal of the American Chemical Society · 2000 · 89 citations

Inorganic Chemistry, Engineering, Their Diels−alder Reaction +11

A Novel Reaction for Annulation onto α,β-Unsaturated Ketones: W(CO)₅·L Promoted <i>Exo-</i> and <i>Endo</i>-Selective Cyclizations of ω-Acetylenic Silyl Enol Ethers Prepared by 1,4-Addition of Propargyl Malonate to Enones

Nobuharu Iwasawa, Katsuya Maeyama, Hiroyuki Kusama · Organic Letters · 2001 · 71 citations

Reaction Solvent, Novel Organocatalysts, Useful Method +12