期刊
ORGANIC LETTERS
卷 11, 期 17, 页码 3938-3941出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol901537n
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资金
- Welch Chair [F-0018]
Synthesis of the BCD ring system of cortistatin A has been accomplished in 9 steps and 30% overall yield starting from commercially available 2-methylcyclopent-2-enone, Key transformations include the addition of cyclopropenyllithium 16 to aldehyde 15, an intramolecular cyclopropenefuran [2 + 4] cycloaddition leading to epimers 18/19, and a subsequent cyclopropylcarbinyl rearrangement to afford 24.
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