Table 2.
Clerodane diterpenoids isolated from Aristolochia species.
| Clerodane | Species |
| (5R,8R,9S,10R)-ent-3-Cleroden-15-oic acid [13,14-dihydrokolavenic acid; populifolic acid] (27) |
A. brasilienses [38]; A. cymbifera [39]; A. galeata [40] |
| (5R,8R,9S,10R)-ent-3-Cleroden-15-ol [dihydrokolavenol] (28) | A. galeata [40] |
| (5R,8R,9S,10R)-ent-15-Ethanoyl-3-clerodene [dihydrokolavenol acetate] (29) | A. galeata [40] |
| Methyl (5R,8R,9S,10R)-ent-3-cleroden-15-oate [methyl populifoloate]) (30) | A. esperanzae [38]; A. galeata [40] |
| (5S,8R,9S,10R)-ent-3-Cleroden-15-oic acid [epi-populifolic acid] (31) | A. cymbifera [39] |
| Methyl (5S,8R,9S,10R)-ent-3-cleroden-15-oate (32) | A. cymbifera [39] |
| (5R,8R,9S,10R)-ent-Clerod-3,13-dien-15-oic acid [Δ13,14-kolavenic acid] (33) | A. brasilienses [38]; A. galeata [40] |
| (5R,8R,9S,10R)-ent-Clerod-3,13-dien-15-ol [Δ13,14-kolavenol] (34) | A. galeata [40] |
| (5R,8R,9S,10R)-ent-15-Ethanoyl-clerod-3,13-diene [acetyl kolavenoate] (35) | A. galeata [40] |
| Methyl (5R,8R,9S,10R)-ent-clerod-3,13-dien-15-oate [methyl kolavenoate] (36) |
A. esperanzae [38]; A. galeata [40] |
| (5S,8R,9S,10R)-ent-Clerod-3,13-dien-15-oic acid (37) | A. brasilienses [38] |
| (5R,8R,9S,10R)-ent-Clerod-3,14-dien-13β-ol [(+)-kolavelool] (38) | A. galeata [40] |
| (5R,8R,9S,10R)-(4→2)-abeo-Clerod-13β-hydroxy-2,14-dien-3-oic acid [(+)-(4®2)-abeo-kolavelool-3-oic acid] (39) |
A. chamissonis [41] |
| (5R,8R,9S,10R)-ent-Clerod-14-en-3β,4α,13α-triol [(–)-3α,4β-dihydroxykolavelool] (40) | A. chamissonis [41] |
| (5R,8R,9S,10R)-ent-Clerod-3,14-dien-13α-ol [(–)-kolavelool] (41) |
A. chamissonis [41]; A. cymbifera [38]; A. galeata [38] |
| (5R,8R,9S,10R)-ent-Clerod-3,14-dien-2α,13α-diol [(–)-2β-hydroxykolavelool] (42) |
A. chamissonis [41] |
| (5R,8R,9S,10R)-ent-Clerod-3,14-dien-2β,13α-diol [(+)-13-epi-2α-hydroxykolavelool; 13-epi-roseostachenol] (43) |
A. chamissonis [41] |
| (5S,8R,9S,10R)-2-Oxo-ent-3-cleroden-15-oic acid (44) | A. brasilienses [38] |
| (5R,8R,9S,10R)-2-Oxo-ent-3-cleroden-15-oic acid [2-oxopopulifolic acid] (45) |
A. brasilienses [39]; A. cymbifera [39]; A. galeata [40] |
| (5R,8R,9S,10R)-2-Oxo-ent-15-ethanoyl-3-clerodene [2-oxodihydrokolavenol acetate] (46) |
A. galeata [40] |
| Methyl (5R,8R,9S,10R)-2-oxo-ent-3-cleroden-15-oate [methyl 2-oxopopulifoloate] (47) |
A. esperanzae [38] |
| (5R,8R,9S,10R)-2-Oxo-ent-clerod-3,14-dien-13α-ol [(–)-13-epi-2-oxokolavelool; 13-epi-roseostachenone] (48) |
A. chamissonis [41] |
| Methyl (5S,8R,9S,10R)-2-oxo-ent-clerod-3,13-dien-15-oate (49) | A. brasilienses [38] |
| (5R,8R,9S,10R)-2-Oxo-ent-clerod 3,13-dien-15-oic acid [Δ13,14-2-oxokolavenic acid] (50) |
A. brasilienses [38] |
| Methyl (5R,8R,9S,10R)-2-oxo-ent-clerod-3,13-dien-15-oate [methyl Δ13,14-2-oxokolavenoate] (51) |
A. esperanzae [38] |
| (5S,8S,9R,10S)-2-Oxo-ent-clerod-3,13-dien-15-oic acid (52) | A. brasilienses [38] |
| Methyl (5R,8R,9S,10R)-ent-2α-hydroperoxy-3-cleroden-15-oate (53) | A. esperanzae [38] |
| (5R,8R,9S,10R)-ent-2α-Hydroperoxy-clerod-3,14-dien-13α-ol [(–)-2β-hydroperoxykolavelool] (54) |
A. chamissonis [41] |
| Methyl (5R,8R,9S,10R)-ent-2α-hydroperoxy-clerod-3,13-dien-15-oate (55) | A. esperanzae [38] |
Usual names are given in brackets