Abstract
The crystal structure of 2-acetyl-3,6-dihydroxy-3,7-dimethyl-6-phenyl-12-azatricyclo[7,2,1,05,12]dodecane methiodide, C22H32INO3, has been determined using three-dimensional X-ray diffraction data. The compound crystallizes in the monoclinic space group P21, with cell dimensions a = 15307, b = 9 198, c = 7.842/~ and fl= 9757 °. There are two molecules in the unit cell. The structure has been refined by the full-matrix least-squares technique to an R value of 0.044. The two six-membered rings A and B in the tricyclic system are chair-shaped and the five-membered ring C has an envelope conformation. The A/B and A/C ring junctions are both cis but the B/C ring junction is trans.
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