Beilstein J. Org. Chem.2019,15, 60–66, doi:10.3762/bjoc.15.6
resin. 1H and 13C NMR spectra were recorded at room temperature at the field indicated on a Bruker Avance II spectrometer. Multiplicities for 1H NMRcouplings are shown as s (singlet), d (doublet), m (multiplet). Chemical shifts (in ppm) are referenced to residual protonated solvent. The optical
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Graphical Abstract
Scheme 1:
Transamination reaction of 1-Boc-3-piperidone (1).
Beilstein J. Org. Chem.2016,12, 1178–1184, doi:10.3762/bjoc.12.113
-bromo-1,1-dimethylindene.
Keywords: base-free dehydrobromination; cis/trans stereochemistry; five-membered ring conformation; indenes; NMRcouplings; Introduction
The basic mechanistic features of competing suprafacial and antarafacial additions of elemental bromine to an olefin are reasonably well
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Graphical Abstract
Scheme 1:
Bromine adducts (trans-1 and cis-1) of 1,1-dimethylindene (2) and their envelope conformations: ax ...