期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 361, 期 12, 页码 2936-2944出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201900009
关键词
Enantioselective organocatalysis; [60]Fullerene; Supported trityl-pyrrolidine; Michael addition; Catalyst recycling
资金
- University of Bologna
- Spanish State Research Agency [MDM-2017-0720]
Hybridization of a chiral 3-hydroxy-2-trityl-pyrrolidine deriving from (R)-pyrrolidinol with [60] fullerene via click chemistry provides a highly efficient supported enantioselective organocatalyst, which was successfully exploited in a Michael addition of malonates to cinnamaldehydes, via iminium ion activation. The supported organocatalyst was recycled up to six times, with only a moderate decrease in terms of activity and with no loss in enantioselectivity.
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