Journal of the Chemical Society. Perkin transactions I p. 514 - 521 (1981)
Update date:2022-08-02
Topics:
Brandt, Edward V.
Ferreira, Daneel
Roux, David G.
The range of natural peltogynoid-type chalcone, flavonol, and dihydroflavonol analogues is extended by the recognition of carnein, β-photomethylquercetin, and (+)-2,3-trans-crombeone in the purple heartwood of Acacia carnei.The first synthesis of a 2,3-trans-peltogynone, crombeone tetramethyl ether, is effected and its catalytic reduction leads to a 2,3-trans-3,4-cis-peltogynol analogue.Crombeone itself is subject to a variety of methylene insertion reactions with diazomethane.
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