Ein alternativer Zugang zum PQQ-Triester
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Dieter Sicker; Ekkehard Stehfest; Horst Wilde; Pierre Martin
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Article
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1996
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John Wiley and Sons
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German
⚖ 280 KB
An Alternative Approach to the PQQ‐Triester A novel approach to triethyl 5‐methoxy‐1__H__‐pyrrolo[2,3‐__f__]quinoline‐2,7,9‐tricarboxylate (6), a close precursor of the redox cofactor PQQ of bacterial dehydrogenases, is described. Diethyl 2‐oxopent‐3‐ynedioate (5) was used as building block for the