作者: Dieter Seebach , Johannes Aebi , Daniel Wasmuth
DOI: 10.1002/0471264180.OS063.12
关键词:
摘要: Diastereoselective α-alkylation of β-hydroxycarboxylic esters through alkoxide enolates: diethyl (2S, 3R)-( + )-3-allyl-2-hydroxysuccinate from (S)-( − )-malate reactant: 9.51 g (50 mmol) ( )-diethyl (S)-malate product: allylated product product: (2S,3R)-3-allyl-2-hydroxysuccinic acid Keywords: alkylation, C-alkylation; assay methods, for butyllithium, with diphenylacetic acid; diisopropylamine; lithium diisopropylamide (LDA), preparation of; tetrahydrofuran; ethyl bromoacetate, lachrymator; tetrahydrofuran, purification; apparatus, maintaining an inert atmosphere; thermometer, Pt