HNMR_CHART |
(CDCl3,60 MHz) δ:2.5(3H, s, NMe), 3.8(6H, s, 2xOMe), 5.7(2H, s, 2xOH) |
참고문헌 |
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· DS. Bhakuni et al., J. Chem. Soc. Perkin 1, 1662, 1977
· R. Hirsenkorn, Tetrahedron Lett., 31, 7591, 1990 |