Journal of Organic Chemistry p. 372 - 376 (1983)
Update date:2022-09-26
Topics:
Ralph, John
Landucci, Lawrence L.
NMR studies of novel dehydration derivatives of anthrahydroquinone (AHQ)-lignin and anthranol-lignin model quinone methide adducts have confirmed the sole diastereomeric form of the adducts as "threo".Upon dehydration of the AHQ adduct 1-(3,4-dimethoxyphenyl)-1-(10-hydroxy-9-oxoanthracen-10-yl)-2-(2-methoxyphenoxy)propane with polyphosphoric acid, the spiro compound 3'-(3,4-dimethoxyphenyl)-2',3'-dihydro-8'-methoxy-2'-methylspiro
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