Light-induced Dehydrodimerization of 3-Hydroxypyrroles

Irradiation (λ > 280 nm) of 3‐hydroxy‐1H‐pyrrole‐2‐carboxylates 1 in CH3CN gives the [2.2′‐bi(3‐oxo‐2,3‐dihydro‐1H‐pyrrole)]‐2‐,2′‐dicarboxylates 2 in reasonable to good yields. The corresponding N‐methylpyrroles 3 only undergo slow photodecomposition under similar conditions. Several 2‐methyl‐3‐...

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Veröffentlicht in:	Helvetica chimica acta 1984-11, Vol.67 (7), p.1957-1962
Hauptverfasser:	Ghaffari-Tabrizi, Ramin, Margaretha, Paul, Schmalle, Helmut W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Heterocyclic compounds Heterocyclic compounds with several n hetero atoms in the same ring, in separated rings or in fused rings Organic chemistry Organic compounds Physics Preparations and properties Structure of solids and liquids crystallography Structure of specific crystalline solids
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