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A concise synthesis of (+)-SCH 351448.
Omid Soltani1, Jef K De Brabander
1Department of Biochemistry, The University of Texas Southwestern Medical Center at Dallas, 5323 Harry Hines Boulevard, Dallas, Texas 75390-9038, USA.
Organic Letters
|June 17, 2005
Summary
Researchers developed a novel synthetic strategy for the natural product (+)-SCH 351448. This efficient method utilizes photochemical acylation to construct the complex macrocyclic dilactone structure.
Area of Science:
- Organic Chemistry
- Natural Product Synthesis
Background:
- The natural product (+)-SCH 351448 is a complex macrocyclic dilactone with a heptacoordinate monosodium salt structure.
- Previous synthetic routes may lack efficiency or convergence for accessing this molecule.
Purpose of the Study:
- To describe a highly convergent and efficient synthetic approach to the natural product (+)-SCH 351448.
- To establish a robust methodology for constructing the C(2)-symmetrical macrocyclic dilactone core.
Main Methods:
- Employed a highly convergent strategy combining two orthogonal C1-C29 fragments.
- Utilized a key photochemical acylation step for fragment coupling.
- Incorporated a base-induced intramolecular acylation and deprotection for final product formation.
Main Results:
- Successfully synthesized the natural product (+)-SCH 351448.
- Demonstrated the efficacy of photochemical acylation in constructing the macrocyclic dilactone.
- Achieved the target molecule through a convergent and efficient synthetic pathway.
Conclusions:
- The developed synthetic approach provides an efficient route to (+)-SCH 351448.
- This methodology highlights the utility of photochemical acylation in complex natural product synthesis.
- The strategy offers a scalable and convergent pathway for accessing macrocyclic dilactones.