B. Wang et al. / Tetrahedron: Asymmetry 22 (2011) 980–985
985
phenyl)ethanol,
28.08 min.
22.99 min;
(R)-1-(4-methoxyphenyl)ethanol,
Qianjiang Ren Cai Project (Grant No., 2009R10039). We thank all
the other members of Professor Yu’s group.
4.4.7. (S)-1-(4-Ethoxyphenyl)ethanol and (R)-1-(4-ethoxy-
phenyl)ethanol (R1 = 4- C2H5OC6H4, R2 = CH3)
References
1H NMR (CDCl3) d 1.34 (3H, t, J = 6.0 Hz), 1.39 (3H, d, J = 6.8 Hz),
1.69 (1H, s), 4.13 (2H, q, J = 7.0 Hz), 4.18 (1H, m), 6.85 (1H, s), 6.87
(1H, s), 7.15 (1H, s), 7.17 (1H, s). Ee values and conversion
were determined by GC analysis. GC-analysis conditions: oven
temperature, 148 °C, injector temperature, 230 °C, detector tem-
perature, 230 °C. Retention time: (S)-1-(4-ethoxyphenyl)ethanol,
15.72 min; (R)-1-(4-ethoxyphenyl)ethanol, 14.14 min.
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Acknowledgments
This work was financially supported by the National High-tech
R&D Program (863 Program, grant No., 2010AA101502) and