Intramolecular, Nucleophile-Catalyzed Aldol-Lactonization (NCAL) Reactions:  Catalytic, Asymmetric Synthesis of Bicyclic β-Lactones

Asymmetric synthesis of (S)- and (R)-malic acid from ketene and chloral

Hans Wynberg, Emiel G. J. Staring · Journal of the American Chemical Society · 1982 · 300 citations

Natural Sciences, Chemistry, Analytical Chemistry +6

Use of In Situ Generated Ketene in the Wynberg β-Lactone Synthesis:  New Transformations of the Dichlorinated β-Lactone Products

Reginald L. Tennyson, Daniel Romo · The Journal of Organic Chemistry · 2000 · 83 citations

Natural Sciences, Chemistry, Green Chemistry +5

Improved procedure for the tungstate-catalyzed epoxidation of .alpha.,.beta.-unsaturated acids

K. S. KIRSHENBAUM, K. Barry Sharpless · The Journal of Organic Chemistry · 1985 · 78 citations

Natural Sciences, Chemistry, Catalysis +5

Intramolecular [2 + 2] cycloaddition reactions of ketene and carbonyl groups. A new synthesis of benzofurans

William T. Brady, Y. F. GIANG · The Journal of Organic Chemistry · 1986 · 37 citations

Natural Sciences, Chemistry, Medicinal Chemistry +11

Cleavage of unsaturated .alpha.-ketols to .omega.-oxo-.alpha.,.beta.-unsaturated acids

Rey Floresca, Masaaki Kurihara, David S. Watt et al. · The Journal of Organic Chemistry · 1993 · 35 citations

Natural Sciences, Biochemistry, Chemistry +8