作者:Yong Li、Yuxin Cui、Yang Jing、Jun Liu、Yuguo Du
DOI:10.1016/j.tet.2023.133621
日期:2023.9
The enantioselective total syntheses of varioxiranol B and varioxiranol C, two naturally occurring salicyl alcohols isolated from the marine-derived fungus Emericella variecolor, have been accomplished for the first time by convergent strategies. The synthesis features rapid access to the key chiral backbone from chiral pool 2, 3-O-isopropylidene-d-ribose and the formation of styrene skeleton employing
varioxiranol B 和 varioxiranol C 是从海洋来源的真菌Emericella variecolor中分离出来的两种天然水杨醇,首次通过收敛策略实现了对映选择性全合成。该合成的特点是从手性池2、3- O-异亚丙基-d-核糖快速获得关键手性主链,并利用烯烃交叉复分解和酸催化一锅脱乙酰化和丙酮化物脱保护形成苯乙烯骨架。