Phosphomolybdic acid: a highly efficient solid acid catalyst for the synthesis of trans-4,5-disubstituted cyclopentenones

Highly Efficient One-Pot Three-Component Mannich Reaction in Water Catalyzed by Heteropoly Acids

Najmedin Azizi, Lalleh Torkiyan, Mohammad R. Saidi · Organic Letters · 2006 · 239 citations

Natural Sciences, Chemistry, Catalysis +10

Synthesis of 1,4-Dicarbonyl Compounds and Cyclopentenones from Furans

Giovanni Piancatelli, Maurizio D’Auria, F. D'ONOFRIO · Synthesis · 1994 · 218 citations

Natural Sciences, Chemistry, Catalysis +12

Origins of 1,2- and 1,3-stereoselectivity in dicobaltoctacarbonyl alkene-alkyne cyclizations for the synthesis of substituted bicyclo[3.3.0]octenones.

Philip Magnus, Lawrence M. Principe · Tetrahedron Letters · 1985 · 209 citations

Natural Sciences, Chemistry, Organic Chemistry +11

A useful preparation of 4-substituted 5-hydroxy-3-oxocyclopentene

Giovanni Piancatelli, Arrigo Scettri, S. Barbadoro · Tetrahedron Letters · 1976 · 197 citations

Natural Sciences, Chemistry, Medicinal Chemistry +9

Catalytic Asymmetric Nazarov Reactions Promoted by Chiral Lewis Acid Complexes

Varinder K. Aggarwal, Andrew Belfield · Organic Letters · 2003 · 189 citations

Natural Sciences, Chemistry, Catalysis +8