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Theoretical Study of the Reaction of Dimethyl Acetylenedicarboxylate with 1-Methyl-2-(1-substituted vinyl)pyrroles

✍ Scribed by Luis R. Domingo; R. Alan Jones; M. Teresa Picher; José Sepúlveda-Arques


Publisher
Elsevier Science
Year
1995
Tongue
French
Weight
490 KB
Volume
51
Category
Article
ISSN
0040-4020

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✍ Grzegorz Mlostoń; Tomasz Gendek; Heinz Heimgartner 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 145 KB

AbstractÐReaction of 2-unsubstituted 1H-imidazole 3-oxides with isocyanates, isothiocyanates, and dimethyl acetylenedicarboxylate led to the formation of 2-functionalized imidazole derivatives. Stepwise reaction mechanisms via zwitterionic intermediates are proposed. The intermediate [312] cycloaddu