Date Published: February 01, 2012
Publisher: International Union of Crystallography
Author(s): Graeme J. Gainsford, Andreas Luxenburger.
The title compound, C29H35NO6.0.334C3H8O, a novel chiral N-(fluoren-9-ylmethyloxyxcarbonyl) precursor, crystallizes with two independent carbamate (M) molecules and propan-2-ol solvent molecules in the unit cell. Its crystal structure has been determined from barely adequate data obtained from a multi-fragment needle crystal. In the crystal, N—H⋯O hydrogen bonds link M molecules related by translation along the a axis into two independent chains. The ordered solvent molecule, having a partial occupancy of 0.334, is attached to one independent M molecule through O—H⋯O hydrogen bonds. The crystal packing exhibits weak intermolecular C—H⋯O interactions and voids of 270 Å3 filled with randomly disordered solvent molecules which were handled using the SQUEEZE methodology.
For details of the synthesis, see Harris et al. (2011 ▶). For a related structure, see: Valle et al. (1988 ▶). For hydrogen-bond motifs, see: Bernstein et al. (1995 ▶).