E. Taylor, R. Robey, David K. Johnson
Apr 28, 2003
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Journal
Organic Syntheses
Abstract
Methyl 2-Alkynoates from 3-Alkyl-2-Pyrazolin-5-ones: Methyl 2-Hexynoate intermediate: 3-(1-propyl)-2-pyrazolin-5-one product: methyl 2-hexynoate Keywords: annulation, heterocyclic-[5]; cyclization, condensation; esterification, unsubstituted monobasic acids; oxidation, miscellaneous; assay methods, for reduction of Tl(III) to Tl(I); thallium(III) nitrate, preparation of; thallium