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Beilstein J. Org. Chem. 2023, 19, 892–900, doi:10.3762/bjoc.19.67
Graphical Abstract
Scheme 1: Versatile reactivities of cyclopropanes 1a.
Scheme 2: Preparative methods for cyclopropanedicarboxylates 1a.
Scheme 3: Bromination of ethyl acetoacetate (3c) and reaction with nitrostyrene 2a.
Scheme 4: Reaction of 4b with (diacetoxyiodo)benzene (top); structural determination of product 9 (bottom).
Figure 1: Monitoring the cyclization reaction using 4e by 1H NMR.
Scheme 5: A plausible mechanism for formation of cyclopropane 1 and dihydrofuran 8.
Scheme 6: Tin(II)-mediated ring expansion of nitrocyclopropane 1e.
Beilstein J. Org. Chem. 2020, 16, 1830–1836, doi:10.3762/bjoc.16.150
Scheme 1: Synthetic scheme of the 3-arylated-4-nitrophenols 5.
Figure 1: X-ray crystallography of the major isomer of 4a. The thermal ellipsoids indicate 50% probability.
Scheme 2: Conversion from 3a to 4a and one-pot synthesis of 4a.
Scheme 3: Deuteration of cyclohexanone 4a.
Scheme 4: A plausible mechanism for the formation of 5a.
Figure 2: Resonance structure of nitroalkenes 1b and 1d.
Beilstein J. Org. Chem. 2015, 11, 1241–1245, doi:10.3762/bjoc.11.138
Scheme 1: A strategy for developing functionalized nitrile oxides.
Figure 1: Versatile functionalized nitrile oxides.