Synthesis of novel [3,2-b] furan-fused pentacyclic triterpenoids via gold - Catalyzed intramolecular heterocyclization of 2-alkynyl-3-oxotriterpene acids
Synthesis of novel [3,2-b] furan-fused pentacyclic triterpenoids via gold - Catalyzed intramolecular heterocyclization of 2-alkynyl-3-oxotriterpene acids
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DOI：
10.1016/j.tet.2018.02.056
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发表时间：
2018-04-12
期刊：
影响因子：
2.1
通讯作者：
Spivak, Anna Yu
中科院分区：
文献类型：
--
作者：
Gubaidullin, Rinat R.;Khalitova, Rezeda R.;Spivak, Anna Yu
利用金催化桦木酸、熊果酸和齐墩果酸的2-炔基衍生物的5-exo-dig杂环化反应，发展了一条直接且原子经济的合成新的[3，2-B]呋喃稠合五环三萜类化合物的路线。(C)2018爱思唯尔有限公司版权所有
A direct and atom-economical synthetic route to new [3,2-b] furan-fused pentacyclic triterpenoids has been developed, using gold-catalyzed 5-exo-dig heterocyclization of accessible 2-alkynyl derivatives of betulonic, ursonic, and oleanonic acids. (C) 2018 Elsevier Ltd. All rights reserved.