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Beilstein J. Org. Chem. 2014, 10, 344–351, doi:10.3762/bjoc.10.32
Graphical Abstract
Scheme 1: Various procedures for the generation of difluoromethylene phosphonium ylide [19-25].
Scheme 2: Difluoromethylenation of alkenes and alkynes and difluoromethylation of heteroatom nucleophiles wit...
Scheme 3: Bromo–chloro exchange reaction using AgCl.
Scheme 4: Proposed different reaction pathways of the difluorinated ylide in the presence of TMSCl and TMSBr.
Figure 1: gem-Difluoroolefination of aldehydes. Reactions were performed on 0.5 mmol scale in a pressure tube...
Figure 2: gem-Difluoroolefination of activated ketones. Reactions were performed on 0.5 mmol scale in a press...
Scheme 5: Plausible mechanisms for the formation of difluoromethylene triphenylphosphonium ylide from TMSCF2C...
Beilstein J. Org. Chem. 2008, 4, No. 21, doi:10.3762/bjoc.4.21
Scheme 1: Structure of chiral quaternary ammonium salts.
Scheme 2: Determination of the absolute configuration of (+)-3a.