Microwave-Assisted Minutes Synthesis of Bioactive Phenylbutanoids Occurring in Zingiber cassumunar

Abstract

Microwave-assisted condensation of benzaldehyde (3a,b) with acetone in aqueous sodium hydroxide adsorbed on basic alumina provides phenylbutenone (4a–4b) in 68–71% yield within 4 min, which upon further reduction with sodium borohydride and basic alumina gives phenylbutenol (5a,b) in 91–94% yield within 2 min. Dehydration of 5 with anhydrous copper (II… (More)
DOI: 10.1007/s10600-005-0154-3

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