Bowdichia nitida

Other quinones from Australian blackwood, Acacia mela-noxylon (Fabaceae), are also capable of inducing allergenic reactions. Among these are 2,6-dimethoxybenzoquinone see section above on plant-plant interactions) and 2-methyl-6-methoxyfuranobenzoquinone (34) (Fig. 6.6). 2,6-Dimethoxybenzoquinone (30) also is found in the wood of Bowdichia nitida (Fabaceae) (Leistner, 1985) and in Ama-ranthus palmeri (Amaranthaceae), where it is responsible for allelopathic effects (Fischer and Quijano, 1985). 

Brown PM, Thomson RH, Hausen BM (1974) Uber die Inhalt-stoffe von Bowdichia nitida BENTH. Liebigs Ann Chem 1295-1300... 

Bowdichia nitida Sucupira, sicopira, sebipira Bowdichione, 2,6-DMBQ Sawdust ether extract patch hydroquinone patch Heavy construciton floors, joists, railroad. Will cross-react with Dalbergia spp. 

Other related isoflavonoid types are known that may co-occur with one or more isoflavones in legume heartwoods. Related pterocarpans and isoflavans, for example, accompany isoflavones in the wood of various Dalbergia and Machaerium species (see Sect. 7.S.3.3). Again, the isoflavone quinone bowdichione (42) and the pterocarpan homopterocarpin, (46) occur with the isoflavones genistein (34) and calycosin (3 -hydroformononetin) (111) in the heartwood of Bowdichia nitida,... 

Brown P M, Thomson R H 1974 Uber die Inhaltsstoffe von Bowdichia nitida. Erstmalige Isolierung eines Isoflavonchinons. Justus Liebigs Ann Chem 8 1295-1300... 

Brown PM, Thomson RH, Hausen BM 1974 Naturally occurring quinones. XXIV. Extractives from Bowdichia nitida. The first isoflavone quinone. Justus Liebigs Ann Chem pp. 1295... 

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