Abstract
Diastereomeric resolution of helically distorted polycondensed bisphenols (1,1′-bibenzo[c]phenanthrene-2,2′-diols: HEBPOLs) 2a–b was conducted utilizing (1R)-(−)-menthyl chloroformate as a chiral resolving agent. Subsequent manipulation produced highly optically pure [>99% enantiomeric excess (ee)] quinone derivatives (P) and (M)-1a–b in very good yields. The absolute configuration of each product was confirmed based on circular dichroism (CD) spectra and X-ray crystal structure analysis.
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