Cycloaddition Reactions of 5-Deutero-1-phenyl-4-vinylpyrazole. Stereoselective cis "ene" Reaction and Simplification of NMR Spectra of Mixtures of Cycloadducts

Article abstract of DOI:10.1007/BF00810298

The reaction of methyl propiolate (MP) with 1-phenyl-4-vinylpyrazole deuterated in the five position has clarified the 1H-NMR spectrum of the mixture of the adducts 1:2 which are obtained as a result of a Diels-Alder cycloaddition followed by a non-regios