1 article(s) from Rzepa, Henry S
Synthesis of vicinal dimethyl difluorosuccinates. The conversion of the tartrates 1 with SF4 and HF ...
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Schlosser's route to vicinal erythro- or threo- difluoro alkanes 5 .
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Halofluorination of electron-rich alkenes with in situ fluoride displacement generates vicinal difl...
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Bromofluorination of stilbene .
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Treatment of anti-14 with base generated the E-fluorostilbene 15 by an anti elimination mechanism.
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Hypothesis for the predominent retention of configuration during fluoride substitution via phenoniu...
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Proposed C-C bond rotation during the preparation of 14 from cis-stilbene.
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Crystal structure of erythro-13.
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X-ray structure of threo-13.
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Expanded regions of the second order AA'XX' spin systems in the 1H-NMR (left) and 19F-NMR spectra (...
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NMR coupling constants and calculated relative energies (kcalmol-1) of the staggered conformers of ...
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Synthesis of erythro-19 via ozonolysis of erythro-13.
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X-ray structure of erythro-19.
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X-ray structure of threo-19.
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Strategy for the preparation of diastereoisomers of erythro- and threo- 20.
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NMR (CDCl3, RT) coupling constants of erythro- and threo- 2,3-difluoro-3-phenylpropionates 21.
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Newman projections showing the staggered conformations of erythro- and threo- 21.
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X-ray structure of methyl threo- 21.
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The preferred conformation of α-fluoroamides has the C-F and amide carbonyl anti-planar [29,30].
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The synthesis of stereoisomers of erythro- and threo- 22. These isomers could be separated by chrom...
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X-ray structure of erythro-22.
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Crystal packing of erythro-22 clearly indicating intermolecular hydrogen bonding.
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X-ray structure of threo-22.
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The conformations of erythro- and threo- 23 are very different as a consequence of each conformatio...
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3JHF and 3JHH coupling constants for the erythro (yellow) and threo (blue) diastereoisomers of the ...
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Newman projections of the three staggered conformations of the erythro and threo stereoisomers of t...
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The average coupling constant with no conformational bias. The limiting coupling constants Jg = 8 H...
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The observed 3JHF coupling constants are an average over the rotational isomers.
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Beilstein J. Org. Chem. 2006, 2, No. 19, doi:10.1186/1860-5397-2-19
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