Total synthesis of (+)-γ-lycorane from ethyl lactate using iterative Claisen and Overman rearrangement reactions
作者:Manoj B. Uphade、Kavirayani R. Prasad
DOI:10.1016/j.tet.2020.131661
日期:2020.11
Total synthesis of (+)-γ-lycorane is accomplished from (S)-ethyl lactate. Key disconnections in the synthesis involve an iterative Claisen and Overman rearrangement reactions to install the chiral centers in the tetrahydroindole moiety while, Pictet-Spengler reaction is used for the synthesis of the isoquinoline unit.
由(S)-乳酸乙酯可完成(+)- γ-乙二烷的全合成。合成中的关键断开涉及反复的Claisen和Overman重排反应,以将手性中心安装在四氢吲哚部分中,而Pictet-Spengler反应用于合成异喹啉单元。