M. Node et al. / Tetrahedron: Asymmetry 9 (1998) 157–167
167
J=8.5 and 2.8 Hz, 1H), 2.46 (dd, A part of AB, J=19.1 and 9.0 Hz, 1H), 2.37–2.15 (m, 4H), 2.30 (dd, B
part of AB, J=9.0 and 4.7 Hz, 1H), 1.91–1.83 (m, 1H), 1.69 (dd, J=13.8 and 8.2 Hz, 1H), 1.08 (d, J=6.9
Hz, 3H); IR (CHCl3): 3520 (br), 3460 (br), 2970, 2930, 2890, 1735, 1475, 1450, 1430, 1405, 1375 cm−1
;
MS (70 eV) m/z 196 (M+, 24), 139 (51), 127 (35), 126 (35), 113 (59), 112 (74), 94 (100), 86 (67); HRMS
calcd for C11H16O3 (M+) 196.1100, found 196.1091.
Acknowledgements
We thank Amano Pharmaceutical Co. Ltd, for their kind offering of the lipases.
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