Selective Synthesis of 2H-Chromenes: Application to the Concise Synthesis of Benzopyran Natural Products
EJOC Ph 3 PAuNTf 2 as a Superior Catalyst for the Selective Synthesis of 2 H -Chromenes: Application to the Concise Synthesis of Benzopyran Natural Products Ioannis N. Lykakis, Christina Efe, Charis Gryparis and Manolis Stratakis