Die Reaktion von 2,2′-Bipyrrol mit Ortho
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Sepulveda-Boza, Silvia ;Breitmaier, Eberhard
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Article
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1983
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John Wiley and Sons
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English
⚖ 141 KB
**The Reaction of 2,2′‐Bipyrrole with Triethyl Orthoformate** 2,2′‐Bipyrrole (**1**) and triethyl orthoformate react in the presence of a Lewis acid to the hitherto unknown 1,9‐Bis(2‐pyrrolyl)pyrromethene (**4**) which was identified by spectroscopic methods (MS, NMR).