A Concise Stereoselective Synthesis of the Tetracyclic Naphthoquinone (-)-Isagarin
作者:Rodney A. Fernandes、Arun B. Ingle
DOI:10.1002/ejoc.201101279
日期:2011.11
A concisestereoselectivesynthesis of the tetracyclicnaphthoquinone natural product (-)-isagarin has been completed in seven steps from known alkyne 5 (obtained from D -mannitol) by using Dotz benzannulation and intramolecular stereospecific dioxabicyclic ketal formation as key steps.