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Synthese und Eigenschaften der Furo‐ und Thieno‐Analogen von PQQ‐Triester
Author(s) -
Martin Pierre,
Winkler Tammo
Publication year - 1994
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19940770113
Subject(s) - chemistry , quinoline , derivative (finance) , stereochemistry , quinone , organic chemistry , financial economics , economics
Synthesis and Characterization of the Furo and Thieno Analogues of the Triester of PQQ We report here the synthesis and properties of the furo and thieno analogues of 4,5‐dihydro‐4,5‐dioxo‐1 H ‐pyrrolo[2,3‐ f ]quinoline‐2,7,9‐ tricarboxylic acid ( = PQQ), i.e. the furo‐ and thieno[2,3‐ f ]quinoline‐4,5‐quinone (FQQ and TQQ, resp.) derivatives B and C , obtained as triesters. The triester of PQQ derivative A is much more stable than the triesters of B or C , and only the triester of A shows strong activity in nonenzymatic catalytic oxidations.