Abstract
α-Exo-unsaturated-γ-butyrolactones were prepared. Reduction of α-benzylidene succinic acid esters with lithium aluminum hydride afford 2-benzylidene-1,4-butanediols. Manganese dioxide oxidation of glycols followed by silver oxide oxidation and lactonization afford α-benzylidene-γ-butyrolactones. Thus α-benzylidene-, α-anisylidene-, α-veratrylidene-, α-(3,4,5-trimethoxybenzylidene)-β-(3,4,5-trimethoxybenzyl)-γ-butyrolactone were synthesized.
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Schedule a callMore From: Bulletin of the Agricultural Chemical Society of Japan
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