专利号:US-4444685-A 优先权日:1981-04-27 标 题 :Stereospecific synthesis of thienamycin from penicillin 发明人:AMATO JOSEPH S; KARADY SANDOR; WEINSTOCK LEONARD M 权利人:MERCK & CO INC 摘要:A stereospecific conversion of penicillin to thienamycin, using diisopropylamine borane and magnesium trifluoroacetate to prepare the hydroxyethyl side chain and acetoacetate dianion equivalent disilylethyl to prepare the β-ketoester side chain.
专利号:CN-105399714-B 优先权日:2015-10-22 标题:A New Method for Asymmetric Synthesis of Natural Product (‑)‑Euscapholide Isomers
专利号:CN-105399714-A 优先权日:2015-10-22 标题 :A New Method for Asymmetric Synthesis of Natural Product (-)-Euscapholide Isomers