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Total Synthesises of ( atrop -) Abyssomicin C. Pusheng Wang 2012/05/12. Contents. 1. Introduction 2. Sorensen’s Total Synthesis 3. Nicolaou’s Total Synthesis 4. Saicic’s Total Synthesis. 1. Introduction.
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Total Synthesises of (atrop-) Abyssomicin C Pusheng Wang 2012/05/12
Contents • 1. Introduction • 2. Sorensen’s Total Synthesis • 3. Nicolaou’s Total Synthesis • 4. Saicic’s Total Synthesis
1. Introduction • Natural polycyclic polyketides isolated from the bottom (depth 289 m) of the Japanease Sea, as secondary metabolites(次级代谢产物) of the Gram-positive(革兰氏阳性)actinomycete(放线菌). • Antibiotic activity against Gram-positive bacteria
2. Sorensen’s Total Synthesis Retrosynthetic analysis E. J. Sorensen, Angew. Chem. Int. Ed. 2005, 44, 6533 – 6537.
2. Sorensen’s Total Synthesis 15 steps, 0.3% yield
3. Nicolaou’sTotal Synthesis Retrosynthetic analysis K. C. Nicolaou,Angew. Chem. Int. Ed. 2006, 45, 3256 – 3260.
4. Saicic’sTotal Synthesis Retrosynthetic analysis Radomir N. Saicic, Angew. Chem. Int. Ed. 2012, 51, 1 – 6.