title: Oleanolic acid ethanol monosolvate.
abstract: CRYSTALS OF THE TITLE COMPOUND (SYSTEMATIC NAME: 3β-hy-droxy-olean-12-en-28-oic acid ethanol monosolvate), C(30)H(48)O(3)·C(2)H(5)OH, were obtained from unsuccessful co-crystallization trials. The asymmetric unit contains two symmetry-independent oleanolic acid mol-ecules, as well as two ethanol solvent mol-ecules. Inter-molecular O-H⋯O hydrogen bonds stabilize the crystal packing. In the oleanolic acid mol-ecules, ring C has a slightly distorted envelope conformation, while rings A, B, D and E adopt chair conformations and rings D and E are cis-fused. Both independent ethanol mol-ecules are orientationally disordered [occupancy ratios of 0.742 (8):0.258 (8) and 0.632 (12):0.368 (12).
authors: Anna
authors: A
authors: Froelich
authors: Andrzej K
authors: AK
authors: Gzella
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