Bifunctional Iminophosphorane Superbases Enable the Highly Enantioselective Sulfa-Michael Addition to Fully Substituted Cyclopropene Carboxylic Acid Derivatives - Kang Yuan; Alberto I. Ristache; Szymon M. Kosc; Agamemnon Crumpton; Darren J. Dixon (Journal of the American Chemical Society, 2025)