Crystal engineering with urea and thiourea hydrogen-bonding groups

R Custelcean - Chemical communications, 2008 - pubs.rsc.org
The utilization of N, N′-disubstituted ureas and thioureas as design elements in the
synthesis of crystalline organic solids is reviewed. These hydrogen-bonding units are …

Metal ion and anion-based “tuning” of a supramolecular metallogel

MOM Piepenbrock, N Clarke, JW Steed - Langmuir, 2009 - ACS Publications
A bis (pyridylurea) ligand (1) forms metallogels in methanol in the presence of up to 0.5
equiv of copper (II) chloride. The metallogel has been characterized using powder X-ray …

A conformationally flexible, urea-based tripodal anion receptor: Solid-state, solution, and theoretical studies

DR Turner, MJ Paterson, JW Steed - The Journal of Organic …, 2006 - ACS Publications
Tripodal tris (urea) cationic receptors 1 and 2 containing p-tolyl or octyl substituents,
respectively, have been synthesized, and their association behavior with anionic guests has …

Supramolecular assembly of calcium metal− organic frameworks with structural transformations

PC Liang, HK Liu, CT Yeh, CH Lin… - Crystal growth & design, 2011 - ACS Publications
Six new calcium metal− organic frameworks [Ca (BDC)(DMF)(H2O)](1),[Ca
(ABDC)(DMF)](2),[Ca3 (BTC) 2 (DMF) 2 (H2O) 2]· 3H2O (3),[Ca (H2dhtp)(DMF)](4),[Ca …

Anion coordination in metal− organic frameworks functionalized with urea hydrogen-bonding groups

R Custelcean, BA Moyer, VS Bryantsev… - Crystal growth & …, 2006 - ACS Publications
A series of metal− organic frameworks (MOFs) functionalized with urea hydrogen-bonding
groups has been synthesized and structurally analyzed by single-crystal X-ray diffraction to …

Gradual transition from NH··· pyridyl hydrogen bonding to the NH··· O tape synthon in pyridyl ureas

P Byrne, DR Turner, GO Lloyd, N Clarke… - Crystal Growth and …, 2008 - ACS Publications
We report the synthesis and X-ray crystal structures of a series of pyridyl ureas of the type
currently topical in anion binding and supramolecular gelation applications, along with their …

Metal–organic frameworks derived from bis-pyridyl-bis-amide ligands: Effect of positional isomerism of the ligands, hydrogen bonding backbone, counter anions on …

NN Adarsh, DK Kumar, P Dastidar - CrystEngComm, 2009 - pubs.rsc.org
Three new metal–organic frameworks, namely [Co (μ-L1) 2 (Cl) 2] n1,[Cd (µ-L1) 2 (NO3) 2]
n2 and [{Co (μ-L1′)(H2O) 4}. SO4· 3 (H2O)] n3 (L1= N, N′-bis-(4-pyridyl) isophthalamide …

Ion separation by selective crystallization of organic frameworks

R Custelcean - Current Opinion in Solid State and Materials Science, 2009 - Elsevier
Selective crystallization of organic frameworks is presented as a promising alternative to ion
separation from competitive aqueous environments. The review focuses primarily on the …

Anion-dependent self-assembly of silver (I) and diaminotriazines to coordination polymers: Non-covalent bonds and role interchange between silver and hydrogen …

BR Manzano, FA Jalón, ML Soriano… - Inorganic …, 2008 - ACS Publications
New coordination polymers have been obtained by the self-assembly of silver salts AgX (X=
BF4, PF6, CF3SO3) and 2, 4-diamino-6-R-1, 3, 5-triazines L (R= phenyl and p-tolyl) of …

Diastereochemical diversity of imidazoline scaffolds via substrate controlled TMSCl mediated cycloaddition of azlactones

V Sharma, JJ Tepe - Organic letters, 2005 - ACS Publications
Diastereochemical Diversity of Imidazoline Scaffolds via Substrate Controlled TMSCl Mediated
Cycloaddition of Azlactones | Organic Letters ACS ACS Publications C&EN CAS Find my …