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BIBTEX RIS

Structural confirmation of spiroelliptin from Iryanthera elliptica by synthesis

1985; Elsevier BV; Volume: 24; Issue: 12 Linguagem: Inglês

10.1016/0031-9422(85)80049-2

1873-3700

Anselmo A. Morais, Raimundo Braz‐Filho, Otto R. Gottlieb,

Carbohydrate Chemistry and Synthesis

Spiroelliptin, a spiro[cyclohexadienone-1,1′-tetralin] from Iryanthera elliptica, was synthesized by a novel process which involved the catalytic hydrogenation of the appropriate chalcone. This and other spiro[methoxycyclobexadienone-1,1′-tetralin] derivatives, obtained by the same process or by the oxidative coupling of the appropriate 1,3-diarylpropanes, were used as models in the compilation of 1H and 13C NMR data allowing the recognition of three such naturally occurring structural types.