Table 6.
Marine natural product structural revisions of absolute configuration (2005–2010).a
| Proposed Structure | Initial Structure Determination Method | Revised Structure | Structure Revision Method | 
|---|---|---|---|
![]() Amphilactene derivative50(1999) Sponge  | 
Mosher’s | 
 
 | 
Mosher’s51 | 
![]() Amphilactene derivative50(1999) Sponge  | 
Comparison | 
 
 | 
X-ray51 | 
![]() Fusapyrone128 (1994) Fungus  | 
1D & 2D NMR | 
 
 | 
HMBC NMR Comparison129 | 
![]() Deoxyfusapyrone128 (1994) Fungus  | 
1D & 2D NMR | 
 
 | 
HMBC NMR Comparison129 | 
| 
 Plakolide A182(2004) Sponge  | 
CD | 
 | 
Total Synthesis183 | 
![]() 4-keto-clonostachydiol184(2006) Fungus  | 
Deriv. OR | 
 
 | 
Total Synthesis185 | 
Theyear in which the initial structure was published is in parentheses. Only the structure determination methods used for the portion of the structure that is erroneous are mentioned in this table. Predict. = predictions based on molecular modeling. Mol. Mod. = use of geometry optimized structure. Deriv. = derivatization. Chromatog. = chiral HPLC or GC with or without derivatization.




