Crossref
journal-article
Wiley
Angewandte Chemie International Edition (311)
References
37
Referenced
164
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- Crystal data for8: C8H8BNaO10 Mr=297.9 crystal dimensions 0.36×0.34×0.25 mm3 monoclinicP21(No. 4) T=100 Ka=5.40160(10) b=11.6781(2) c=9.4451(2) Å β=105.0590(10) V=575.340(19) Å3 ρcalcd=1.720 Mg m−3 CuKαradiation λ=1.54178 Å. CCD scans yielded 10 760 (1906 unique) reflections Rint=0.038. Multi‐scan absorption correction μ=1.719 mm−1 Tmin=0.85 Tmax=1.0. Structure solution (direct methods) SHELXS‐97 full‐matrix least‐squares refinement against F2SHELXL‐97 213 parameters hydrogen atoms in idealized geometry (riding model) R=0.025 wR=0.077 highest residual electron density peak 0.2 Å−3. Complete lists of atom coordinates and anisotropic displacement parameters as well as tables of bond lengths and bond angles are available as supplementary material. CCDC‐297143 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data_request/cif.
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- The melting point was determined by differential scanning calorimetry; 72±2 % conversion (determined from1H NMR spectroscopy); impurities: octanol (from aliquat 336 up to 6 %) water (200–2800 ppm determined by Karl Fischer titration).
- The absolute configuration of4 a–cwas assigned asRby comparison with the work of Shi et al.[6d]
- The possibility of enrichment of one enantiomer during workup was excluded by subjecting a scalemic mixture of4 cto the same experimental procedure. This control material had 74 %ee(S) before and 76 %ee(S) after the workup procedure.
Dates
Type | When |
---|---|
Created | 19 years, 3 months ago (May 18, 2006, 6:35 a.m.) |
Deposited | 1 year, 10 months ago (Oct. 16, 2023, 4:58 p.m.) |
Indexed | 1 year, 2 months ago (July 2, 2024, 3:11 p.m.) |
Issued | 19 years, 3 months ago (May 18, 2006) |
Published | 19 years, 3 months ago (May 18, 2006) |
Published Online | 19 years, 3 months ago (May 18, 2006) |
Published Print | 19 years, 3 months ago (May 26, 2006) |
@article{Gausepohl_2006, title={Highly Enantioselective Aza‐Baylis–Hillman Reaction in a Chiral Reaction Medium}, volume={45}, ISSN={1521-3773}, url={http://dx.doi.org/10.1002/anie.200600327}, DOI={10.1002/anie.200600327}, number={22}, journal={Angewandte Chemie International Edition}, publisher={Wiley}, author={Gausepohl, Rolf and Buskens, Pascal and Kleinen, Jochen and Bruckmann, Angelika and Lehmann, Christian W. and Klankermayer, Jürgen and Leitner, Walter}, year={2006}, month=may, pages={3689–3692} }