Synthesis of Natural Product-like Polyheterocycles via One-Pot Cascade Oximation, C-H Activation, and Alkyne Annulation

被引:40
作者
Zheng, Liyao [1 ]
Bin, Yunhui [1 ]
Wang, Yunpeng [1 ]
Hua, Ruimao [1 ]
机构
[1] Tsinghua Univ, Dept Chem, Minist Educ, Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China
基金
中国国家自然科学基金;
关键词
CATALYZED INTRAMOLECULAR ANNULATION; DIVERSITY-ORIENTED SYNTHESIS; HETERO-DIELS-ALDER; CASSIA-SIAMEA; BOND ACTIVATION; DRUG DISCOVERY; PRIVILEGED STRUCTURES; RHODIUM CATALYSIS; ANTITUMOR AGENTS; CHEMICAL SPACE;
D O I
10.1021/acs.joc.6b01460
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
An efficient protocol for the direct transformation of chrornan-4-ones to tricyclic fused pyridines with the skeleton of cassiarins, a family of alkaloids with antimalarial activity, was developed. Also, a general strategy for modular construction of polyheterocydes with diverse natural product-like skeletons was developed by using ketone-alkyne bifunctional substrates. These reactions involved a one-pot cascade oximation of ketones, rhodium-catalyzed C-H activation, and intermolecular/intramolecular alkyne annulations under mild conditions with high atom, step, and redox economy.
引用
收藏
页码:8911 / 8919
页数:9
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