Enantioselective Synthesis of the Tetrahydrofuran Lignans (–)- and (+)-Magnolone
Journal of Natural Products2007Vol. 70(10), pp. 1588–1592
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Abstract
The optically pure trisubstituted 7'-oxotetrahydrofuran lignans (-)- and (+)-magnolone ( 1) were synthesized by employing stereoselective S N1 intramolecular cyclization as a key reaction. The absolute configuration of naturally occurring (-)-magnolone was determined as (7 S,8 R,8' S).