Diisopropyl [(2-hydroxy-1-naphthyl)methyl]phosphonate
The bond lengths and angles in the title compound, C17H23PO4, are in accordance with anticipated values. There are two conformers in the asymmetric unit. They differ from each other in the orientation of the C and P tetrahedra. Analysis of the structure does not reveal any significant differences between the bond distances and angles of the molecules in the asymmetric unit. In the crystal structure, the conformers are linked by O—H⋯O=P and C—H⋯O hydrogen bonds.
Self-assembly of 2,8,14,20-tetraisobutyl-5,11,17,23-tetrahydroxyresorc[4]arene
We report herein the observation of a hexameric structure of a hydroxyresorc[4]arene in the solid state, enclosing a large interior space. This artificial molecular container is stabilized only by hydrogen bonds. The tendency to form aggregates in solution is demonstrated mainly by means of ESI-MS methods.