Fig. 6: Effect of structurally diverse Brønsted acids on the cycloaddition.
From: Chiral Brønsted acid-controlled intermolecular asymmetric [2 + 2] photocycloadditions
Yields and diastereomer ratios determined by 1H NMR spectroscopy.
Fig. 6: Effect of structurally diverse Brønsted acids on the cycloaddition. | Nature Communications
