ABSTRACT
OMe MeO 2 ′NMeMeN MeO
HH
O OMe
C38H42N2O6 622.76
Alkaloids in this entry have the 1R,1?Sconfiguration (Shamma-Moniot numbering convention; older CAS numbering put the primes on the opposite rings). Alkaloids in diastereomeric series are given in other entries; for enantiomeric alkaloids see Gyrolidine, G-235. Alkaloid from Thalictrum lucidum, Thalictrum minus Race B, Thalictrum minus var. microphyllum, Thalictrum rugosum, Pycnarrhena longifolia, Berberis tschonoskyana, Berberis laurina, Dehaasia triandra, Mahonia repens and Albertisia papuana (Ranunculaceae). Mp 139-1408 Mp 199-2008. [a]26D +169 (c, 0.147 in MeOH). lmax 280 (MeOH). Hydrochloride (1:2):
Needles + 3H2O. Mp 260-2618. Dipicrate:
Cryst. + 1H2O. Mp 178-1808 dec. N2,N2?-Di-Me:
Needles + 2H2O. Mp 256-2588 dec. N2-De-Me, N2?-b-oxide: 2-Norobaberine
2?-b-N-oxide [149155-48-6] C37H40N2O7 624.732 Alkaloid from seeds of Anisocycla cymosa (Menispermaceae). Amorph. powder. [a]20D +158 (c, 0.31 in CHCl3). lmax 212 ; 284 (MeOH).
