## Abstract Novel [26]porphyrinogens^[2]^ 24β28 were conveniently prepared in few steps from the pyrrole building blocks 19β23. The selectivity of the cyclization is explained by a conformational __helical effect__ due to steric congestion of the pyrrole Ξ²βsubstituents. The aromaticity of the [26]p
β¦ LIBER β¦
Syntheses of novel substituted porphyrins by the mercuration and palladium/olefin methodology
β Scribed by Morris, Ian K.; Snow, Kevin M.; Smith, Norman W.; Smith, Kevin M.
- Book ID
- 120985703
- Publisher
- American Chemical Society
- Year
- 1990
- Tongue
- English
- Weight
- 844 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0022-3263
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