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ABSTRACT:
SUBMITTER: Cuadros S
PROVIDER: S-EPMC5638065 | biostudies-literature | 2017 Sep
REPOSITORIES: biostudies-literature
Cuadros Sara S Dell'Amico Luca L Melchiorre Paolo P
Angewandte Chemie (International ed. in English) 20170818 39
Reported herein is a light-triggered organocatalytic strategy for the desymmetrization of achiral 2-fluoro-substituted cyclopentane-1,3-diketones. The chemistry is based on an intermolecular aldol reaction of photochemically generated hydroxy-o-quinodimethanes and simultaneously forges two adjacent fully substituted carbon stereocenters, with one bearing a stereogenic carbon-fluorine unit. The method uses readily available substrates, a simple chiral organocatalyst, and mild reaction conditions ...[more]