Fig. 1From: Regioselective alkali metal reduction of dibenzocyclooctadiene lignan derivatives, demethoxylation followed by dehalogenation a Structures of compounds 1a–1c, 2a–2c and 3a–3c; b molecular structures of compounds 1′–3′ and 3″ prepared in Na/t-BuOH; c the single-crystal X-ray structures compounds 1′-2′Back to article page