Any organic heterobicyclic compound containing ortho-fused furan and pyran rings.
| Member | Definition | Role |
|---|
| altholactone | | Goniothalenol |
| dysiherbaine | A furopyran that is (3aR,7aR)-hexahydro-2H-furo[3,2-b]pyran substituted by carboxy, (2S)-2-amino-2-carboxyethyl, hydroxy and methylamino groups at positions 2, 2, 6, and 7, respectively (the 2R,3aR,6S,7R,7aR-stereoisomer). A convulsant isolated from the marine sponge Dysidea herbacea that has high affinity for kainate ionotropic glutamate receptors. | dysiherbaine |
| halichondrin b | | Halichondrin B |
| neodysiherbaine a | A furopyran that is (3aR,7aR)-hexahydro-2H-furo[3,2-b]pyran substituted by carboxy, (2S)-2-amino-2-carboxyethyl, hydroxy and hydroxy groups at positions 2, 2, 6, and 7, respectively (the 2R,3aR,6R,7R,7aR-stereoisomer). A convulsant isolated from the marine sponge Dysidea herbacea. | neodysiherbaine A |
| patulin | A furopyran and lactone that is (2H-pyran-3(6H)-ylidene)acetic acid which is substituted by hydroxy groups at positions 2 and 4 and in which the hydroxy group at position 4 has condensed with the carboxy group to give the corresponding bicyclic lactone. A mycotoxin produced by several species of Aspergillus and Penicillium, it has antibiotic properties but has been shown to be carcinogenic and mutagenic. | patulin |
| Picrotin, analytical standard | | Picrotin, analytical standard |