Novel approach to biscarbazole alkaloids via Ullmann coupling – synthesis of murrastifoline-A and bismurrayafoline-A | Zendy

Carsten Börger | Zendy; Olga Kataeva | Zendy; HansJoachim Knölker | Zendy

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Novel approach to biscarbazole alkaloids via Ullmann coupling – synthesis of murrastifoline-A and bismurrayafoline-A

Author(s) -

Carsten Börger,

Olga Kataeva,

HansJoachim Knölker

Publication year - 2012

Publication title -

organic and biomolecular chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.923

H-Index - 146

eISSN - 1477-0539

pISSN - 1477-0520

DOI - 10.1039/c2ob26229k

Subject(s) - chemistry , yield (engineering) , ullmann reaction , combinatorial chemistry , coupling (piping) , stereochemistry , organic chemistry , catalysis , mechanical engineering , materials science , engineering , metallurgy

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).

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