期刊
ORGANIC LETTERS
卷 11, 期 1, 页码 113-116出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol8024555
关键词
-
资金
- NOVARTIS Foundation (Japan)
- Ministry of Education, Culture, Sports, Science and Technology of Japan
Stereoselective synthesis of a trans-fused 7,6,6,7-membered tetracyclic ether, corresponding to the EFGH-ring of gambierol and the BCDE-ring of gambieric acids, was efficiently accomplished via a two-directional approach. The key reactions were SMI2-induced double cyclization for construction of the F- and H-rings and SMI2-induced cyclization followed by ring expansion for construction of the E-ring.
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