CAS Registry Number: 17088-50-5

Taxonomy: Physicochemical and Pharmacological Properties of Alkaloids – Miscellaneous Alkaloids

Biological sources: Menispermum dauricum

C19H24NO6Cl: 397.1292/399.1263

Mp: 241°C (dec., EtOH–EtOAc) [1]

[α]D −120° (Py) [1]

Solubility: sol. CHCl3, Py; sp. sol. Et2O, EtOH [1]

IR: 1690, 1670, 1625, 1605 [2]

MS m/z: 397(M+), 362, 209(100), 194, 181, 166, 150 [2]

1 H NMR(Py-d5): 2.27(3H, s, NCH3), 3.72, 3.79, 4.04(each 3H, s, 3 × OCH3), 5.01, 5.59(each 1H, d, J = 0.8, CH = C–CH–OH), 5.18(1H, q, J = 7.5, CH2–CHCl) [2]