Ralph B. Nielsen

Selective, zirconium-mediated cross-coupling of alkynes: the synthesis of isomerically pure 1,3-dienes and 1,4-diiodo-1,3-dienes

Stephen L. Buchwald, Ralph B. Nielsen · Journal of the American Chemical Society · 1989 · 165 citations

Materials Science, Cross-coupling Reaction, Derivative (Chemistry) +11

A Modified Procedure for the Preparation of Cp2Zr(H)Cl (Schwartz's Reagent)

Stephen L. Buchwald, Susan J. LaMaire, Ralph B. Nielsen et al. · Tetrahedron Letters · 1987 · 164 citations

Inorganic Chemistry, Chemical Engineering, Engineering +3

Proton‐ionizable crown compounds. <b>4</b>. New macrocyclic polyether ligands containing a triazole subcyclic unit

Jerald S. Bradshaw, Ralph B. Nielsen, P.‐K. TSE et al. · Journal of Heterocyclic Chemistry · 1986 · 57 citations

Inorganic Chemistry, Triazole Proton, Crystal Structure +12

Kinetics and substituent effects in the formation of zirconocene thioaldehyde complexes: .beta.-hydride elimination versus cyclometalation

Stephen L. Buchwald, Ralph B. Nielsen · Journal of the American Chemical Society · 1988 · 53 citations

Inorganic Chemistry, Molecular Sciences, Engineering +13

The synthesis, structure and reactivity of trimethylphosphine-zirconocene thioaldehyde complexes

Stephen L. Buchwald, Ralph B. Nielsen, John C. Dewan · Journal of the American Chemical Society · 1987 · 46 citations

Inorganic Chemistry, Engineering, Biochemistry +11