1990
DOI: 10.1002/hlca.19900730404
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Ein neuer synthetischer Zugang zu Ubichinonen

Abstract: 1. Einleitung. -Ubichinone wurden erstmals Mitte der fiinfziger Jahre von Morton et al. im Verdauungstrakt von Pferden und Schweinen [l] sowie in der Pferdeleber [2] festgestellt. Isoliert in reiner, zum Teil kristalliner Form wurden solche Verbindungen mit verschiedenen Kettenlangen aus Ochsenherz [3](Ubichinon-10') (11; n = 8; s. Schema 2)), aus Rattenleber [5] (Ubichinon-10') (11; n = S), -9') (11; n = 7), -8') (11; n = 6), -7') (11; n = 5) und -6') (11; n = 4)) sowie aus Hefe [6] (Ubichinon-9') (11; n = 7)… Show more

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Cited by 35 publications
(10 citation statements)
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“…to furnish 6a-c in good yields (Scheme 1). Using the modified procedure of Rüttimann and Lorenz, [7] previous attempts showed that the introduction of the side chain on a millimolar scale gave the ubiquinone 3 in only poor yield. We have previously reported the synthesis of compound 6a using this procedure and obtained only poor yields of 6.…”
Section: Resultsmentioning
confidence: 99%
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“…to furnish 6a-c in good yields (Scheme 1). Using the modified procedure of Rüttimann and Lorenz, [7] previous attempts showed that the introduction of the side chain on a millimolar scale gave the ubiquinone 3 in only poor yield. We have previously reported the synthesis of compound 6a using this procedure and obtained only poor yields of 6.…”
Section: Resultsmentioning
confidence: 99%
“…The method of Rüttimann and Lorenz, which uses methylsuccinic anhydride and trichloroethylene as precursors in a key Diels-Alder reaction, [7] was recently modified to incorporate 13 C isotopes into the quinonic ring.…”
Section: Resultsmentioning
confidence: 99%
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