Formal Total Synthesis of (±)-Cephalotaxine and Congeners via Aryne Insertion Reaction

被引:58
作者
Gouthami, Pashikanti [1 ]
Chegondi, Rambabu [1 ]
Chandrasekhar, Srivari [1 ]
机构
[1] CSIR Indian Inst Chem Technol, Div Nat Prod Chem, Hyderabad 500007, Andhra Pradesh, India
关键词
CEPHALOTAXUS ALKALOIDS; STEREOSELECTIVE-SYNTHESIS; MOLECULAR-STRUCTURE; EFFICIENT SYNTHESIS; ANALOGS; ALKYLATION; CRYSTAL; ACCESS;
D O I
10.1021/acs.orglett.6b00659
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The formal total synthesis of pentacyclic core alkaloid, (+/-)-cephalotaxine is achieved in nine steps from known 2-allylpyrrolidine-2-carboxaldehyde using aryne insertion reaction as a key step in 10% overall yield. The developed novel strategy enabled easy access to cephalotaxine congeners.
引用
收藏
页码:2044 / 2046
页数:3
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