Synthetic Studies of Proanthocyanidins. Part 4. The Synthesis of Procyanidin B1 and B4: TMSOTf-catalyzed Cyclization of Catechin and Epicatechin Condensation
Synthetic Studies of Proanthocyanidins. Part 4. The Synthesis of Procyanidin B1 and B4: TMSOTf-catalyzed Cyclization of Catechin and Epicatechin Condensation