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Synthese von 2,3-Bis(ethoxycarbonyl)-1H-pyrrol-1-propionsäure-ethylester

✍ Scribed by Röder, Erhard ;Wiedenfeld, Helmut ;Bourauel, Thomas

Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
284 KB
Volume
1987
Category
Article
ISSN
0947-3440

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A new and efficient synthesis of 2-trifluoromethyl substituted pyrroles and ethyl-2,3-bis(ethoxycarbonyl)-1H-pyrrole-1-propionate
✍ Michael G. Hoffmann; Ernest Wenkert 📂 Article 📅 1993 🏛 Elsevier Science 🌐 French ⚖ 355 KB

Dirhodium tetraacetate catalyzed decomposition of trifluoromethyl acetyl diazoacetates 6a and 6b in ethyl vinyl ether gives rise to the dihydrofuroates 7a and 7b, respectively, which can be converted into the corresponding 2-(trifluoromethyl)pyrroles. This two step pyrrole synthesis is also suitable