Solvothermal reactions of a predesigned amphiphilic ligand, 4'-tert-butyl-biphenyl-3,5-dicarboxylate (BBPDC), with Zn(NO(3))(2), Co(NO(3))(2), and Cu(NO(3))(2) gave rise to three isostructural mesh-adjustable molecular sieves (MAMSs), MAMS-2, MAMS-3, and MAMS-4, respectively. The three new MAMSs all exhibit temperature-tuned molecular sieving effect. There exists a linear relationship between m...

The structure of the title compound, C(12)H(21)NO(4), contains two crystallographically independent mol-ecules in the asymmetric unit. Mol-ecules are linked into pseudosymmetric R(2) (2)(8) dimers through two N-H⋯O hydrogen bonds. The dimers are connected by weak C-H⋯O inter-actions, resulting in a three-dimensional network.

In the title compound, C(25)H(35)N(2) (+)·Cl(-)·H(2)O, the imidazolidine ring adopts a twisted conformation, with a pseudo-twofold axis passing through the N-C-N carbon and the opposite C-C bond. The N-C-N fragment of the imidazolidine ring shows some degree of both double- and single-bond character due to partial electron delocalization. One of the tert-butyl groups is disordered over two conf...

Copper-catalyzed asymmetric allylation of chiral N-tert-butanesulfinyl imines has been described. Dual stereocontrol, through the combination of a chiral auxiliary and a chiral copper complex, has played an important role in achieving the nearly perfect diastereoselectivities (all dr > 99 : 1), especially for ketimine substrates.

In the centrosymmetric title compound, [Cu(2)(C(21)H(30)N(3)O)(2)(C(2)H(3)O(2))(2)], each Cu atom has a distorted tetra-hedral coordination geometry defined by N and O atoms in a chelate ring, N of an imidazole ring, and an acetate O atom. The uncoordinated acetate O atom is disordered over two sites with occupancies 0.7:0.3.

The title compound, C10H12N2S, does not contain any strong hydrogen-bond donors but two long C-H⋯N contacts are observed in the crystal structure, with the most linear inter-action linking mol-ecules along [010]. The ellipsoids of the tert-butyl group indicate large librational motion.

In the title mol-ecule, C(24)H(25)Br, one of two tert-butyl groups is rotationally disordered between two orientations in a 0.59 (3):0.41 (3) ratio. The crystal packing exhibits no π-π inter-actions; however, relatively short inter-molecular Br⋯Br contacts of 3.654 (1) Å are observed.

In the title compound, [RuCl(2)(C(16)H(32)P(2))(2)], the Ru(II) ion is situated on a twofold rotation axis, so the asymmetric unit contains one half-mol-ecule. The slightly distorted octa-hedral environment of the Ru center is formed by four P atoms [Ru-P = 2.4417 (6) and 2.4544 (6) Å] from two different (1S,1S',2R,2R')-TangPhos ligands [(1S,1S',2R,2R')-TangPhos = (1S,1S',2R,2R')-(+)-1,1'-di-te...

A novel organogelator based on tert-butyl esters of asparagines has been synthesized and its organogelation abilities have been investigated. The rheological characterization has confirmed the gelation behavior, and its thixotropic properties. Furthermore, the morphological studies performed reveal a spherical structure. Thus, this organogelator can be considered as a new example of the emergin...

The title mol-ecule, C(22)H(24)F(6)N(2)O(3), adopts a folded conformation whereby the carboxyl-ate residue lies over the quinolinyl residue, with the dihedral angle between the carbamate and quinoline planes being 41.64 (7)°. Helical supra-molecular C(7) chains sustained by O-H⋯O hydrogen bonds propagating along the a-axis direction feature in the crystal packing. The F atoms of one of the CF(3...