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Oligopyrrole Synthesis by 1,3-Dipolar Cycloaddition of Azomethine Ylides with Bissulfonyl Ethylenes

✍ Scribed by Ana López-Pérez; Rocío Robles-Machín; Javier Adrio; Juan Carlos Carretero


Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
388 KB
Volume
46
Category
Article
ISSN
0044-8249

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1,3-Dipolar Cycloadditions of Phenanthri
✍ Jiří Dostál; Milan Potáček; Otakar Humpa; JaromÍR Marek 📂 Article 📅 2010 🏛 Wiley (John Wiley & Sons) ⚖ 399 KB 👁 1 views

## Abstract Azomethine ylides generated from 5‐(alkoxycarbonylmethyl)phenanthridinium cations were studied in 1,3‐dipolar cycloadditions with dimethyl maleate and dimethyl fumarate as dipolarophiles. The cycloadducts with the pyrrolidino[1,2‐f]phenanthridine skeleton easily underwent dehydrogenatio