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
- 119
- Category
- Article
- ISSN
- 0044-8249
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## 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