https://www.selleckchem.com/pr....oducts/buloxibutid.h
© 2020 WILEY-VCH Verlag GmbH Co. KGaA, Weinheim.The enantioselective synthesis of polycyclic aromatic hydrocarbon (PAH)-based planar chiral cyclophanes was achieved for the first time by the rhodium-catalyzed intramolecular regio- and enantioselective [2+2+2] cycloaddition of tethered diyne- benzofulvenes followed by stepwise oxidative transformations. The thus synthesized p-terphenyl- and 9-fluorenone-based planar chiral bent cyclophanes were converted to 9-fluorenol-based ones with excellent ee values of 99% by diastereo
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