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Abstract The question whether dipeptide esters with the general formula COO − .C.CNH + 3 .CO.NH.CR.CO.OCH 3 are sweet or not cannot be explained solely by the presence of two binding sites (NH + 3… (More)
Abstract 3,5-Dialkyl-1,2,4-trithiolanes (I–IV) have been synthesized in reasonable yields by a new route involving chlorination of dialkyl disulfides to α-chloroalkyl sulfenyl chlorides, reaction… (More)
Definition des distances intramoleculaires et des angles inter-atomiques entre les differents radicaux α, δ, et ω (distances minimales, optimales et maximales) permettant de prevoir l'intensite de la… (More)
Abstract Propyne was isomerized to propadiene over a silica catalyst labeled with tritium. We could demonstrate that for every isomerizing molecule a hydrogen atom of the catalyst is exchanged; the… (More)
Abstract We recently described the synthesis of the dihydropyranone 1 from aldohexoses and secondary amine salts1: in addition to 1, Trace amounts of 5-hydroxyml to 1, 11, were formed. Compound 11… (More)
SummaryTwenty-five years ago, Dr. Theo van de Klundert was appointed as Professor of Economics at Tillburg University. On the occassion of this jubilee the authors review Van de Klundert's… (More)