Table 9.
Marine natural product structural revisions of double bond geometry (2005–2010).a
| Proposed Structure | Initial Structure Determination Method | Revised Structure | Structure Revision Method |
|---|---|---|---|
![]() Iejimalide A138(1988) Tunicate |
NOE |
|
NOE NMR139 |
![]() Iejimalide C140(1991) Tunicate |
Comparison |
|
Comparison139 |
![]() Iejimalide D140(1991) Tunicate |
Comparison |
|
Comparison139 |
![]() Scleritodermin A141 (2004) Sponge |
NOE Deriv. Chromatog. |
|
Total Synthesis142 |
|
Mycothiazole143(1988) Sponge |
J-based |
|
Comparison144 |
![]() Tridachiahydropyrone C223(2000) arotamer of B Mollusk |
Comparison |
![]() Oxytridachiahydropyrone |
Total Synthesis191 |
The year 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. Deriv. = derivatization. Chromatog. = chiral HPLC or GC with or without derivatization.





