Enantioselective direct [small alpha]-alkylation of cyclic ketones by means of photo-organocatalysis. Arceo, E., Bahamonde, A., Bergonzini, G., & Melchiorre, P. Chemical Science, 5(6):2438–2442, 2014. Publisher: The Royal Society of ChemistryPaper doi abstract bibtex We report here the first asymmetric catalytic alkylation of unmodified ketones with alkyl halides. This metal-free approach, which requires light in order to proceed, provides a rare example of highly enantioselective photochemical catalytic processes. An easily available cinchona-based primary amine catalyst guides both the stereoselectivity-defining event and, through the transient formation of photon-absorbing chiral electron donor-acceptor complexes, the photo-activation of the substrates.
@article{arceo_enantioselective_2014,
title = {Enantioselective direct [small alpha]-alkylation of cyclic ketones by means of photo-organocatalysis},
volume = {5},
issn = {2041-6520},
url = {http://dx.doi.org/10.1039/C4SC00315B},
doi = {10.1039/C4SC00315B},
abstract = {We report here the first asymmetric catalytic alkylation of unmodified ketones with alkyl halides. This metal-free approach, which requires light in order to proceed, provides a rare example of highly enantioselective photochemical catalytic processes. An easily available cinchona-based primary amine catalyst guides both the stereoselectivity-defining event and, through the transient formation of photon-absorbing chiral electron donor-acceptor complexes, the photo-activation of the substrates.},
number = {6},
journal = {Chemical Science},
author = {Arceo, Elena and Bahamonde, Ana and Bergonzini, Giulia and Melchiorre, Paolo},
year = {2014},
note = {Publisher: The Royal Society of Chemistry},
pages = {2438--2442},
}
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