نتایج جستجو برای: macrocycle

تعداد نتایج: 1399  

Journal: :Analytical Sciences: X-ray Structure Analysis Online 2006

Journal: :Dalton transactions 2012
Polly L Arnold Guy M Jones Qing-Jiang Pan Georg Schreckenbach Jason B Love

Expansion of a Schiff-base polypyrrolic macrocycle allows the formation of a binuclear uranyl complex with co-linear uranyl ions and a very short oxo-oxo distance.

Journal: :Chemical communications 2005
Ja-Hyoung Ryu Nam-Keun Oh Myongsoo Lee

An amphiphilic rigid macrocycle was shown to self-assemble into tubular aggregates that can solubilize SWNTs in aqueous solution through significant pi-pi interactions.

Journal: :Chemical communications 2004
Caleb M May Stephen J Archibald Adam J Bridgeman Christopher J Empson Timothy J Hubin

An unusual copper(ii) complex of a highly rigid and bulky ligand (a macrocycle-glyoxal condensate) has been synthesized and investigated via DFT calculations and structural characterisation.

Journal: :Organic & biomolecular chemistry 2008
Sandra Bartoli Tariq Mahmood Abdul Malik Sally Dixon Jeremy D Kilburn

A chiral bisguanidinium macrocycle binds N-Boc-L-glutamate in a 1 : 1 stoichiometry with significant selectivity in competitive solvent (DMSO-H(2)O).

Journal: :Dalton Transactions 2021

A one-pot cyclisation/oxidation process results in a new constrained-cavity Schiff-base dipyrrin macrocycle and allows access to Li, Fe, Zn complexes of this unique chromophore.

Journal: :Journal of the American Chemical Society 2008
Brian N Tse Thomas M Snyder Yinghua Shen David R Liu

DNA-templated organic synthesis enables the translation, selection, and amplification of DNA sequences encoding synthetic small-molecule libraries. Previously we described the DNA-templated multistep synthesis and model in vitro selection of a pilot library of 65 macrocycles. In this work, we report several key developments that enable the DNA-templated synthesis of much larger (>10,000-membere...

Journal: :Molecules 2013
Miguel A García-Sánchez Fernando Rojas-González E Carmina Menchaca-Campos Salvador R Tello-Solís R Iris Y Quiroz-Segoviano Luis A Diaz-Alejo Eduardo Salas-Bañales Antonio Campero

The crossed and linked histories of tetrapyrrolic macrocycles, interwoven with new research discoveries, suggest that Nature has found in these structures a way to ensure the continuity of life. For diverse applications porphyrins or phthalocyanines must be trapped inside solid networks, but due to their nature, these compounds cannot be introduced by thermal diffusion; the sol-gel method makes...

Journal: :Journal of the American Chemical Society 2008
Giulia Fioravanti Natalia Haraszkiewicz Euan R Kay Sandra M Mendoza Carlo Bruno Massimo Marcaccio Piet G Wiering Francesco Paolucci Petra Rudolf Albert M Brouwer David A Leigh

Although the desirability of developing synthetic molecular machine systems that can function on surfaces is widely recognized, to date the only well-characterized examples of electrochemically switchable rotaxane-based molecular shuttles which can do so are based on the tetracationic viologen macrocycle pioneered by Stoddart. Here, we report on a [2]rotaxane which features succinamide and naph...

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