Various substituted -lactones were easily prepared under flow conditions by photocatalytic addition of aldehydes onto unsaturated esters followed by reduction of the resulting -keto esters with sodium borohydride (NaBH4); The -hydroxy esters obtained easily cyclized to give the desired heterocycles in good yields
Flow Synthesis of Substituted gamma- Lactones by Consecutive Photocatalytic/Reductive Reactions
PALMIERI, Alessandro;BALLINI, Roberto
2014-01-01
Abstract
Various substituted -lactones were easily prepared under flow conditions by photocatalytic addition of aldehydes onto unsaturated esters followed by reduction of the resulting -keto esters with sodium borohydride (NaBH4); The -hydroxy esters obtained easily cyclized to give the desired heterocycles in good yieldsFile in questo prodotto:
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