Total Synthesis of the Proposed Structure of Briarellin J

被引:30
|
作者
Crimmins, Michael T. [1 ]
Mans, Mark C. [1 ]
Rodriguez, Abimael D. [2 ]
机构
[1] Univ N Carolina, Kenan Caudill Venable & Murray Labs Chem, Chapel Hill, NC 27599 USA
[2] Univ Puerto Rico, Dept Chem, San Juan, PR 00931 USA
关键词
ENANTIOSELECTIVE TOTAL-SYNTHESIS; RING-CLOSING METATHESIS; CORAL PACHYCLAVULARIA-VIOLACEA; EUNICELLIN-BASED DITERPENOIDS; INDIAN GORGONIAN CORAL; DIELS-ALDER APPROACH; ASBESTINUM PALLAS; NATURAL-PRODUCTS; OPHIRIN-B; STRATEGY;
D O I
10.1021/ol102169w
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The total synthesis of the originally proposed structure of briarellin J is reported in 15 steps from a known compound and in 23 steps from readily available materials. Key reactions include an exo-selective intramolecular Diels-Alder and a substrate-controlled hydroboration. Discrepancies in the spectroscopic data of the synthetic and natural material led to a revision of the assigned structure.
引用
收藏
页码:5028 / 5031
页数:4
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