Oxidative polycyclization with rhenium(VII) oxides: application of the stereoselectivity rules in the total synthesis of rollidecins C and D
作者:Lawrence J. D'Souza、Santosh C. Sinha、Shou-Fu Lu、Ehud Keinan、Subhash C. Sinha
DOI:10.1016/s0040-4020(01)00381-7
日期:2001.6
route to the target compounds was guided by the recently proposed rules of stereoselectivity for the tandem oxidative cyclization reaction with trifluoroacetylperrhenate. Thus, the rapid transformation of compounds 14 and 15 to 1 and 2, respectively, was achieved with a predictable stereochemistry by the oxidative bis-cyclization with Re(VII) followed by one or two simple transformations.
分别从部分官能化的“裸露”碳骨架14和15合成了两个相邻的双THF壬基产乙酸甘油酯Rollidecin C,1和rollidecin D,2。最近提出的与三氟乙酰基高r酸酯串联氧化环化反应的立体选择性规则指导了目标化合物的逆合成路线。因此,通过可预测的立体化学,通过用Re(VII)进行氧化双环化,然后进行一或两个简单的转化,分别实现了化合物14和15至1和2的快速转化。