作者:Chaoli Zhang、Jun Liu、Yuguo Du
DOI:10.1016/j.tetlet.2013.04.044
日期:2013.6
The concise total synthesis of antitumor natural product (+)-pyrenolide D has been achieved in seven steps from readily available natural carbohydrate d-xylose with 10.8% overall yield. The key steps involved methylpropiolate-mediated stereoselective alkynylation on lactone carbonyl group and the tandem one-pot desilylation–spirolactonization.
从容易获得的天然碳水化合物d-木糖以七个步骤完成了抗肿瘤天然产物(+)-吡咯内酯D的简明全合成,总收率为10.8%。关键步骤涉及丙炔酸甲酯介导的内酯羰基立体选择性炔基化和串联一锅式去甲硅烷基化-螺内酯化。