Ryuichiro Hara

Facile cleavage of the CβCβ′ bond of zirconacyclopentenes. Convenient method for selectively coupling alkynes with alkynes, nitriles, and aldehydes

Tamotsu Takahashi, Motohiro Kageyama, V. Ya. Denisov et al. · Tetrahedron Letters · 1993 · 168 citations

Copper-Mediated Coupling of Zirconacyclopentadienes with Dihalo Aromatic Compounds. Formation of Fused Aromatic Rings

Tamotsu Takahashi, Ryuichiro Hara, Yasushi Nishihara et al. · Journal of the American Chemical Society · 1996 · 148 citations

Inorganic Chemistry, Chemical Engineering, Cross-coupling Reaction +12

Carbon–Carbon Bond Cleavage and Selective Transformation of Zirconacycles

Tamotsu Takahashi, Martin Kotora, Ryuichiro Hara et al. · Bulletin of the Chemical Society of Japan · 1999 · 116 citations

Inorganic Chemistry, Chemical Engineering, Cross-coupling Reaction +10

Highly Selective and Practical Alkyne-Alkyne Cross-Coupling Using Cp2ZrBu2 and Ethylene

Zhenfeng Xi, Ryuichiro Hara, Tamotsu Takahashi · The Journal of Organic Chemistry · 1995 · 115 citations

Materials Science, Organic Material Chemistry, Chemical Engineering +9

Remarkable effect of copper chloride on diiodination of zirconacyclopentadienes

Chanjuan Xi, Shouquan Huo, Tarek H. Afifi et al. · Tetrahedron Letters · 1997 · 109 citations

Copper Chloride, Heterocyclic, Chemistry