Abstract
The title compound crystallizes in the space group P21/n, with a = 18.423(3), b = 9.628(3), c = 19.243(2) Å, β = 116.208(8)°, with two independent molecules in the asymmetric unit, which are not enantiomers. The chiral centers C8a, C9, C12, C12a, C12b are either S,R,S,R,R or R,S,R,S,S, respectively, because of the centric space group.
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Bovio, B., Sarzi-Amadè, M. Crystal structure of 9,12-ethano-12a-methoxycarbonyl-5, 8a,9,12,12a,12b-hexahydro-6H-[1,2]dioxino[4′,5′:4,5] isoxazolo[3,2-a]isoquinoline, C17H19NO5 . Journal of Chemical Crystallography 32, 409–415 (2002). https://doi.org/10.1023/A:1020249323075
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DOI: https://doi.org/10.1023/A:1020249323075