Lewis Acid-Promoted, Stereocontrolled, Gram Scale, Diels-Alder Cycloadditions of Electronically Matched 2-Pyrones and Vinyl Ethers: The Critical Importance of Molecular Sieves and the Temperature of Titanium Coordination with the Pyrone.
G. Posner, H. Dai, D. Bull, Jae-kyoo Lee +5 more

