Journal
ORGANIC LETTERS
Volume 24, Issue 44, Pages 8104-8108Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.2c02834
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Funding
- NSFC-Joint Foundation of Yunnan Province
- Second Tibetan Plateau Scientific Expedition and Research (STEP) program
- National Natural Science Foundation of China
- CAS Interdisciplinary Innovation Team
- Key Program of Yunnan Province
- Yunnan Science Fund for Distinguished Young Scholars
- [U2002221]
- [2019QZKK0502]
- [81673329]
- [81874298]
- [21871278]
- [2019FJ002]
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A compound called rugosiformisin A was isolated from Isodon rugosiformis and its structure was determined using different techniques. Furthermore, a successful synthesis of rugosiformisin A was achieved, highlighting important steps in the process.
Rugosiformisin A, a skeleton-rearranged abietane-type diterpenoid with a spiro[4.5]decane motif, was isolated from Isodon rugosiformis. Its structure was unambiguously established via NMR spectroscopic analysis and single-crystal X-ray diffraction. A bioinspired asymmetric synthesis of rugosiformisin A was achieved in 15 steps with 2.7% overall yield. The synthesis features an iridium-catalyzed asymmetric polyene cyclization and a semi-pinacol rearrangement.
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