Catalytic Asymmetric[4+2] Cycloaddition of o-Hydroxybenzyl Alcohols with o-Hydroxyl Styrenes: Diastereo- and Enantioselective Construction of Chiral Chroman Scaffold
Wu Qiong, Zhao Jiajia, Sun Sibing, Tu Mansu, Shi Feng
Acta Chim. Sinica . 2016, (7): 576 -581 .  DOI: 10.6023/A16020080