期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 10, 期 41, 页码 8211-8215出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ob26422f
关键词
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资金
- Syngenta Ltd.
- NSFC [21032005, 20972058, 21172097]
- National Basic Research Program of China [2010CB833203]
- 111 program from MOE of P. R. China
A concise and stereoselective construction of the tetracyclic core of lycorine-type alkaloids and the formal synthesis of alpha-lycorane has been achieved. The feature of the current method is the employment of a bifunctional thiourea-catalyzed cascade reaction as a powerful tool to construct the skeleton of the natural product, which is a challenging yet very rarely explored strategy. As a result, the tetracyclic core is efficiently synthesized in just three simple operations involving two consecutive cascade reactions.
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