Chiral 2-aminobenzimidazole bifunctional organocatalysts: effect of di-CF3 and TFA on catalytic mechanisms

Enantioselective Michael Reaction of Malonates to Nitroolefins Catalyzed by Bifunctional Organocatalysts

Tomotaka Okino, Yasutaka Hoashi, Yoshiji Takemoto · Journal of the American Chemical Society · 2003 · 1.4K citations

Natural Sciences, Chemistry, Catalysis +4

Enantio- and Diastereoselective Michael Reaction of 1,3-Dicarbonyl Compounds to Nitroolefins Catalyzed by a Bifunctional Thiourea

Tomotaka Okino, Yasutaka Hoashi, Tomihiro Furukawa et al. · Journal of the American Chemical Society · 2004 · 1K citations

Natural Sciences, Chemistry, Medicinal Chemistry +12

Schiff Base Catalysts for the Asymmetric Strecker Reaction Identified and Optimized from Parallel Synthetic Libraries

Matthew S. Sigman, Eric N. Jacobsen · Journal of the American Chemical Society · 1998 · 895 citations

Pharmacy, Chemical Biology, Chemistry +13

Enantio‐ and Diastereoselective Michael Reaction of 1,3‐Dicarbonyl Compounds to Nitroolefins Catalyzed by a Bifunctional Thiourea.

Tomotaka Okino, Yasutaka Hoashi, Tomihiro Furukawa et al. · ChemInform · 2005 · 863 citations

Natural Sciences, Chemistry, Catalysis +8

Recognition and activation by ureas and thioureas: stereoselective reactions using ureas and thioureas as hydrogen-bonding donors

Yoshiji Takemoto · Organic & Biomolecular Chemistry · 2005 · 770 citations

Natural Sciences, Biochemistry, Chemistry +17