H. Fred Koch

Synthesis and crystal structures of lower rim amine and carbamoyl substituted calixarenes as transfer agents for oxyanions between an aqueous and a chloroform phase

Nicholas J. Wolf, Emil M. Georgiev, Alexander T. Yordanov et al. · Polyhedron · 1999 · 63 citations

Natural Sciences, Chemistry, Materials Science +14

Acidity of Hydrocarbons. X. Exchange Rates of Ring-Substituted Toluene-α-t's with Lithium Cyclohexylamide in Cyclohexylamine

Andrew Streitwieser, H. Fred Koch · Journal of the American Chemical Society · 1964 · 56 citations

Natural Sciences, Chemistry, Analytical Chemistry +7

(Methylthio)methyl and (<i>N,N</i>-Dimethylcarbamoyl)methyl Upper-Rim-Substituted Calix[4]arenes as Potential Extractants for Ag(I), Hg(II), Ni(II), Pd(II), Pt(II), and Au(III)

Alexander T. Yordanov, Olusegun M. Falana, H. Fred Koch et al. · Inorganic Chemistry · 1997 · 55 citations

Natural Sciences, Biochemistry, Analytical Chemistry +5

Synthesis and extraction studies of 1,2- and 1,3-disubstituted butylcalix[4]arene amides with oxyions; geometric and conformational effects

Olusegun M. Falana, H. Fred Koch, D. Max Roundhill et al. · Chemical Communications · 1998 · 35 citations

Natural Sciences, Chemistry, Organic Chemistry +11

Chiral induction in photochemical reactions. Part 4. Conformational analysis and crystal structure of (–)-8-phenylmenthyl [(–)-(1R,2S,5R)-2-(1-methyl-1-phenylethyl)-5-methylcyclohexyl] phenylglyoxylates: their face-differentiating effect in photochemical oxetane formation

Jan Runsink, H. Fred Koch, Alfred Nehrings et al. · Journal of the Chemical Society Perkin Transactions 2 · 1988 · 16 citations

Natural Sciences, Chemistry, Organic Chemistry +14