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Published on: February 7, 2019
Concise synthesis of pauciflorol F using a Larock annulation
Jenna L Jeffrey1, Richmond Sarpong
1Department of Chemistry, University of California, Berkeley, California 94720, USA.
A palladium-catalyzed Larock annulation offers a new route to resveratrol-derived natural products. This method aided in revising a key intermediate and enabled the two-step synthesis of pauciflorol F.
Area of Science:
- Organic Chemistry
- Natural Product Synthesis
- Catalysis
Background:
- Resveratrol derivatives are a class of natural products with potential biological activities.
- Efficient synthetic routes to these compounds are valuable for further research.
- Palladium-catalyzed reactions are powerful tools in organic synthesis.
Purpose of the Study:
- To develop an efficient synthetic strategy for resveratrol-derived natural products.
- To utilize palladium-catalyzed Larock annulation for accessing these compounds.
- To achieve the total synthesis of pauciflorol F.
Main Methods:
- Employing a palladium-catalyzed Larock annulation reaction.
- Synthesizing resveratrol derivatives.
- Structural revision of synthetic intermediates.
- Total synthesis of pauciflorol F.
Main Results:
- The Larock annulation provided efficient access to a subset of resveratrol-derived natural products.
- A key intermediate in the synthesis of pauciflorol F was structurally revised.
- Pauciflorol F was synthesized in two steps from the pentannulation product.
Conclusions:
- Palladium-catalyzed Larock annulation is a viable and efficient method for synthesizing resveratrol-derived natural products.
- The study successfully revised a synthetic intermediate and achieved the total synthesis of pauciflorol F.
- This approach offers a streamlined pathway to complex natural products.
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