Table 4 Substrate scope with o-naphthoquinone without ester groupa

From: Organocatalytic atroposelective construction of axially chiral arylquinones

  1. aReaction conditions: 1b (0.44 mmol), 2b (0.20 mmol), (S)-CPA4 (10 mol%), CH2Cl2 (4 mL), –30 °C for 24 h under Ar atmosphere. Isolated yields were provided and ee values were determined by HPLC analysis on a chiral stationary phase
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