Journal of the Chemical Society. Perkin transactions I p. 263 - 269 (1981)
Update date:2022-08-05
Topics:
Bezuidenhoudt, Barend C. B.
Brandt, E. Vincent
Roux, David G.
The absolute configuration of (αR)-α,2'-dihydroxy-4,4'-dimethoxydihydrochalcone from the heartwood of Pterocarpus angolensis D.C. is established.Its structure is substantiated by synthesis and by photochemical conversion of its α-O-tosyl derivative into an α-tosyloxymethyldeoxybenzoin and hence to the α-methyldeoxybenzoin analogue.The photochemical step also leads, amongst others, to α-hydroxymethyldeoxybenzoin, β-hydroxydihydrochalcone, and 2-benzylbenzofuran-3-one analogues depending on the conditions the photolysis.
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Doi:10.1055/s-1981-29361
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