Four phenolic neolignans from Magnolia liliflora

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Abstract

A chloroform extract of fresh leaves of Magnolia liliflora contained the four new phenolic neolignans, liliflodione [a bicyclo(3,2,1)octanoid], liliflol A and B (dihydrobenzofuranoids) and liliflone (a hexahydrobenzofuranoid), along with seven known neolignans. The absolute structures of the new compounds were elucidated by means of chemical and spectral studies.

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