Asymmetric, protecting-group-free total synthesis of (+)-caribenol A.
Asymmetric, protecting-group-free total synthesis of (+)-caribenol A.
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DOI:
10.1002/asia.201300441
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发表时间:
2013-09
期刊:
影响因子:
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通讯作者:
Jing-chun Han;Lianzhu Liu;Chuang-Chuang Li-Chuang;Zhen Yang
中科院分区:
文献类型:
--
作者:
Jing-chun Han;Lianzhu Liu;Chuang-Chuang Li-Chuang;Zhen Yang
Caribenol Queen: A new asymmetric, protecting-group-free synthesis of the marine tetracyclic diterpenoid (+)-caribenol A (1) has been achieved. The enantioselective synthesis employed (S)-methyl 1-methyl-2-oxocyclopent-3-enecarboxylate as a chiral scaffold, and an intramolecular Diels-Alder (IMDA) reaction of substrate 3 afforded the [5.7.6] tricyclic core in compound 2.