One-pot Diels–Alder cycloaddition/gold(I)-catalyzed 6-endo-dig cyclization for the synthesis of the complex bicyclo[3.3.1]alkenone framework
2011
One-pot Diels–Alder cycloaddition for complex organic synthesis
publication
Evidence: moderate
Author Information
Author(s): Sow Boubacar, Bellavance Gabriel, Barabé Francis, Barriault Louis, Toste F Dean
Primary Institution: University of Ottawa
Hypothesis
Can a one-pot Diels–Alder reaction combined with gold(I)-catalyzed cyclization efficiently synthesize bicyclo[3.3.1]alkenones?
Conclusion
The study successfully developed a method to synthesize bicyclo[3.3.1]nonenones in high yields using a one-pot reaction.
Supporting Evidence
- The method allows for the creation of four new stereogenic centers and three new C–C bonds in one operation.
- The reaction was tolerant of sterically crowded environments.
- The yields of the synthesized compounds ranged from 48% to 93%.
Takeaway
Scientists found a way to make a special type of molecule in just one step, which is usually very hard to do.
Methodology
The synthesis involved a one-pot Diels–Alder reaction followed by gold(I)-catalyzed carbocyclization.
Limitations
Some steps had low chemical yields, which could affect the overall efficiency.
Digital Object Identifier (DOI)
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