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First total syntheses of chrestifoline-B and (±)-chrestifoline-C, and improved synthetic routes to bismurrayafoline-A, bismurrayafolinol and chrestifoline-DBörger, Carsten, Schmidt, Arndt W., Knölker, Hans-Joachim 21 July 2014 (has links) (PDF)
We describe an efficient synthesis of the methylene-bridged biscarbazole alkaloids bismurrayafoline-A, bismurrayafolinol and chrestifoline B–D using an Ullmann-type coupling at the benzylic position.
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First total syntheses of chrestifoline-B and (±)-chrestifoline-C, and improved synthetic routes to bismurrayafoline-A, bismurrayafolinol and chrestifoline-DBörger, Carsten, Schmidt, Arndt W., Knölker, Hans-Joachim 21 July 2014 (has links)
We describe an efficient synthesis of the methylene-bridged biscarbazole alkaloids bismurrayafoline-A, bismurrayafolinol and chrestifoline B–D using an Ullmann-type coupling at the benzylic position.
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Novel approach to biscarbazole alkaloids via Ullmann coupling – synthesis of murrastifoline-A and bismurrayafoline-ABörger, Carsten, Kataeva, Olga, Knölker, Hans-Joachim 07 April 2014 (has links) (PDF)
Unprecedented Ullmann couplings of murrayafoline-A with either 6-bromo- or 4-bromocarbazole derivatives provide highly efficient synthetic routes to the biscarbazole alkaloids murrastifoline-A (6 steps, 66% overall yield) and bismurrayafoline-A (6 steps, 28% overall yield). / Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
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Novel approach to biscarbazole alkaloids via Ullmann coupling – synthesis of murrastifoline-A and bismurrayafoline-ABörger, Carsten, Kataeva, Olga, Knölker, Hans-Joachim January 2012 (has links)
Unprecedented Ullmann couplings of murrayafoline-A with either 6-bromo- or 4-bromocarbazole derivatives provide highly efficient synthetic routes to the biscarbazole alkaloids murrastifoline-A (6 steps, 66% overall yield) and bismurrayafoline-A (6 steps, 28% overall yield). / Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
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