Abstract
Total syntheses of preussochromones A, D, E, and F and structural revisions of preussochromones E and F are reviewed, demonstrating the use of α-keto esters and α,β-diketo esters as valuable reactants in stereoselective cyclization reactions in total synthesis.
1 Introduction
2 The Route to Preussochromone D
3 Synthesis and Structural Revision of Preussochromones E and F
4 Total Synthesis of Preussochromone A
5 Conclusion
Key words
natural product synthesis - preussochromone - chromenone - fully substituted cyclopentane - sulfur-containing natural products - keto ester