There are two molecules in the asymmetric unit of the title compound, C(24)H(22)N(2)O(4)S. The conformation of the seven-membered ring is twisted boat for both molecules. The molecule is chiral, but crystal symmetry generates a recemate. The crystal packing is stabilized by weak intermolecular C-H⋯O hydrogen bonds.

The title compound, C(21)H(21)N(3)O(2), was obtained following a five-step synthetic procedure yielding weakly diffracting rod and needle-shaped crystals which crystallized concomitantly. Structural analysis of a rod-shaped crystal showed that the central seven-membered heterocyclic ring adopts a conformation that is perhaps best described as a distorted boat, with the H-bearing (CH(2) and NH) ...

Complexes of Gd, Eu and Yb(III) have been prepared with a series of heptadentate ligands related to the parent complex AAZTA, based on the 6-methyl-6-aminoperhydrodiazepine moiety. For (RR) and (RS)-diastereoisomers of a di-glutarate ligand, solution NMR studies revealed the presence of two major species that undergo water exchange rates at Gd differing by a factor of six. Comparison of solutio...

The toolbox of medicinal chemists includes the 1,4-benzodiazepine scaffold as a “privileged scaffold” in drug discovery. Several biologically active small molecules containing have been approved by FDA for treatment various diseases, with most them being used their psychotropic effects. therapeutic potential 1,4-benzodiazepines has stimulated interest synthetic developing new strategies to rang...