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… ultrahigh affinity host− guest complexes of cucurbit uril with bicyclo octane and adamantane guests: Thermodynamic analysis and evaluation of m2 affinity …

evaluation

Yang C.
GSID: PBIwAQd0gtcJ
S Moghaddam, C Yang, M Rekharsky… - Journal of the …, 2011 - ACS Publications

A dicationic ferrocene derivative has previously been shown to bind cucurbit[7]uril (CB[7]) in water with ultrahigh affinity (ΔG o = −21 kcal/mol). Here, we describe new compounds that bind aqueous CB[7] equally well, validating our prior suggestion that they,...

Wide-ranging host capability of a Pd(II)-linked M2L4 molecular capsule with an anthracene shell.

Chemistry (Weinheim an der Bergstrasse, Germany)

Kishi N, Li Z, Sei Y, Akita M, Yoza K, Siegel JS, Yoshizawa M.
PMID: 23508693
Chemistry. 2013 May 10;19(20):6313-20. doi: 10.1002/chem.201204010. Epub 2013 Mar 18.

This article reports that an M2L4 molecular capsule is capable of encapsulating various neutral molecules in quantitative yields. The capsule was obtained as a single product by mixing a small number of components; two Pd(II) ions and four bent...

Rigid adamantane tripod linkage for well-defined conductance of a single-molecule junction.

Physical chemistry chemical physics : PCCP

Lee SU, Mizuseki H, Kawazoe Y.
PMID: 20694223
Phys Chem Chem Phys. 2010 Oct 07;12(37):11763-9. doi: 10.1039/c001400a. Epub 2010 Aug 09.

We present a systematic analysis of molecular level alignments and electron transport characteristics based on the non-equilibrium Green's function (NEGF) approach combined with density functional theory (DFT) for phenyl dithiol (PDT) derivatives with two different linkages, simple thiol (ST)...

Crystal structure of 3-(adamantan-1-yl)-4-(4-chloro-phen-yl)-1H-1,2,4-triazole-5(4H)-thione.

Acta crystallographica. Section E, Crystallographic communications

Al-Wabli RI, El-Emam AA, Alroqi OS, Chidan Kumar CS, Fun HK.
PMID: 25878859
Acta Crystallogr E Crystallogr Commun. 2015 Jan 17;71:o115-6. doi: 10.1107/S2056989015000596. eCollection 2015 Feb 01.

The title compound, C18H20ClN3S, is a functionalized triazoline-3-thione derivative. The benzene ring is almost perpendic-ular to the planar 1,2,4-triazole ring [maximum deviation = 0.007 (1) Å] with a dihedral angle of 89.61 (5)° between them and there is an...

Sustained Small Molecule Delivery from Injectable Hyaluronic Acid Hydrogels through Host-Guest Mediated Retention.

Journal of materials chemistry. B

Mealy JE, Rodell CB, Burdick JA.
PMID: 26693019
J Mater Chem B. 2015 Oct 28;3(40):8010-8019. doi: 10.1039/C5TB00981B. Epub 2015 Sep 18.

Self-assembled and injectable hydrogels have many beneficial properties for the local delivery of therapeutics; however, challenges still exist in the sustained release of small molecules from these highly hydrated networks. Host-guest chemistry between cyclodextrin and adamantane has been used...

Adamantane-based Bidendate Metal Complexes in Crystalline and Solution State.

Analytical sciences : the international journal of the Japan Society for Analytical Chemistry

Ohara K, Tominaga M, Masu H, Azumaya I, Yamaguchi K.
PMID: 27941266
Anal Sci. 2016;32(12):1347-1352. doi: 10.2116/analsci.32.1347.

Bidentate organic molecules with imidazole or benzimidazole moieties connected to a rigid 1,3-diphenyladamantane spacer are simple and unique building blocks that facilitate the assembly of supramolecular architectures in the solid state via metal-coordination. Single-crystal X-ray analysis revealed that the...

NIR-absorbing dye functionalized hollow mesoporous silica nanoparticles for combined photothermal-chemotherapy.

Chemical communications (Cambridge, England)

Zhang Y, Qu Q, Cao X, Zhao Y.
PMID: 29058740
Chem Commun (Camb). 2017 Nov 02;53(88):12032-12035. doi: 10.1039/c7cc07897h.

Multifunctional hollow mesoporous silica nanoparticles were constructed by firstly loading with doxorubicin and then capping with disulfide linked β-cyclodextrin followed by complexation with adamantane functionalized indocyanine dye, showing improved anticancer efficacy through combined photothermal-chemotherapy.

Directed C-H Bond Oxidation of Bridged Cycloalkanes Catalyzed by Palladium(II) Acetate.

Chemistry (Weinheim an der Bergstrasse, Germany)

Larrosa M, Zonker B, Volkmann J, Wech F, Logemann C, Hausmann H, Hrdina R.
PMID: 29488690
Chemistry. 2018 Apr 20;24(23):6269-6276. doi: 10.1002/chem.201800550. Epub 2018 Mar 22.

We have developed a synthesis of 1,2-substituted adamantane carboxylic acids and further bridged cycloalkanes (cage compounds) by palladium acetate-catalyzed C-H bond oxidation. Acetoxylation of cycloalkane framework was performed using picolylamide as a directing group. Modification of the substrate, ligand...

Spectral assignment of new adamantane derivatives of 1,3-; 1,5-dihydroxy- and 1,5-dimethylnaphthalenes.

Magnetic resonance in chemistry : MRC

Peterson IV, Svirskaya NM, Kondrasenko AA, Rubaylo AI.
PMID: 25594390
Magn Reson Chem. 2015 Apr;53(4):323-6. doi: 10.1002/mrc.4206. Epub 2015 Jan 16.

No abstract available.

Structure evolution of nanoparticulate Fe2O3.

Nanoscale

Erlebach A, Kurland HD, Grabow J, Müller FA, Sierka M.
PMID: 25587689
Nanoscale. 2015 Feb 21;7(7):2960-9. doi: 10.1039/c4nr06989g.

The atomic structure and properties of nanoparticulate Fe2O3 are characterized starting from its smallest Fe2O3 building unit through (Fe2O3)n clusters to nanometer-sized Fe2O3 particles. This is achieved by combining global structure optimizations at the density functional theory level, molecular...

Spatial Decomposition Analysis of the Thermodynamics of Cyclodextrin Complexation.

Journal of chemical theory and computation

Yamazaki T, Kovalenko A.
PMID: 26609997
J Chem Theory Comput. 2009 Jul 14;5(7):1723-30. doi: 10.1021/ct9000729.

We propose a method of spatial decomposition analysis (SDA) to study the thermodynamics of association in solution, based on three-dimensional molecular theory of solvation. We decompose the solvation thermodynamics quantities into the excluded volume and solvation shell terms and...

pH-dependent binding of guests in the cavity of a polyhedral coordination cage: reversible uptake and release of drug molecules.

Chemical science

Cullen W, Turega S, Hunter CA, Ward MD.
PMID: 28936311
Chem Sci. 2015 Jan 01;6(1):625-631. doi: 10.1039/c4sc02090a. Epub 2014 Jul 31.

A range of organic molecules with acidic or basic groups exhibit strong pH-dependent binding inside the cavity of a polyhedral coordination cage. Guest binding in aqueous solution is dominated by a hydrophobic contribution which is compensated by stronger solvation...

Showing 1 to 12 of 697 entries