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[2]Catenanes built around octahedral transition-metal complexes that contain two intertwined endocyclic but non-sterically hindering tridentate ligands.

Chemistry (Weinheim an der Bergstrasse, Germany)

Ayme JF, Lux J, Sauvage JP, Sour A.
PMID: 22431359
Chemistry. 2012 Apr 27;18(18):5565-73. doi: 10.1002/chem.201104061. Epub 2012 Mar 19.

Sterically hindering bidentate chelates, such as 2,9-diphenyl-1,10-phenanthroline, form entwined complexes with copper(I) and other tetrahedrally coordinated transition-metal centres. To prepare octahedral complexes containing two entwined tridentate ligands and thus apply a strategy similar to that used for making catenanes...

Association of colorectal cancer with pathogenic Escherichia coli: Focus on mechanisms using optical imaging.

World journal of clinical oncology

Veziant J, Gagnière J, Jouberton E, Bonnin V, Sauvanet P, Pezet D, Barnich N, Miot-Noirault E, Bonnet M.
PMID: 27298769
World J Clin Oncol. 2016 Jun 10;7(3):293-301. doi: 10.5306/wjco.v7.i3.293.

AIM: To investigate the molecular or cellular mechanisms related to the infection of epithelial colonic mucosa by pks-positive Escherichia coli (E. coli) using optical imaging.METHODS: We choose to evaluate the tumor metabolic activity using a fluorodeoxyglucose analogue as 2-deoxyglucosone...

A Switchable Hybrid [2]-Catenane Based on Transition Metal Complexation and π-Electron Donor-Acceptor Interactions.

Journal of the American Chemical Society

Amabilino DB, Dietrich-Buchecker CO, Livoreil A, Pérez-García L, Sauvage JP, Stoddart JF.
PMID: 27715034
J Am Chem Soc. 1996 Apr 24;118(16):3905-3913. doi: 10.1021/ja954329+.

A bimodal [2]-catenane has been synthesized via a copper(I) templated synthesis. The compound contains both a transition metal coordination site and a set of π-electron rich and π-electron deficient aromatic units suitable for the formation of acceptor-donor complexes. Each...

Templating and Clipping Coordination Reactions Leading to Heteronuclear Trimetallic Complexes Containing Interlocking Rings.

Inorganic chemistry

Cárdenas DJ, Sauvage JP.
PMID: 11669911
Inorg Chem. 1997 Jun 18;36(13):2777-2783. doi: 10.1021/ic961469r.

We report the preparation of heterotrimetallic complexes with a Cu-complexed [2]-catenate structure, containing two other metals within the rings. Starting from a multidentate ligand 1 containing two terpy units (terpy 2,2':6',2"-terpyridine) and one dpp fragment (dpp 2,9-diphenyl-1,10-phenanthroline), a 29-membered...

Synthesis of a [2]catenane around a Ru(diimine)3(2+) scaffold by ring-closing metathesis of olefins.

Organic letters

Arico F, Mobian P, Kern JM, Sauvage JP.
PMID: 12762678
Org Lett. 2003 May 29;5(11):1887-90. doi: 10.1021/ol0300367.

[reaction: see text] The synthesis of a ruthenium[2]catenane is described. One ring includes two 1,10-phenanthroline moieties, the other a bipyridinic unit. The interlocking ring system was formed by using a double ring closing metathesis reaction. Under irradiation, a rapid...

A copper-complexed rotaxane in motion: pirouetting of the ring on the millisecond timescale.

Chemical communications (Cambridge, England)

Poleschak I, Kern JM, Sauvage JP.
PMID: 14765265
Chem Commun (Camb). 2004 Feb 21;(4):474-6. doi: 10.1039/b315080a. Epub 2004 Jan 23.

A new bistable rotaxane, consisting of a 2,2'-bipyridine-containing thread and a ring incorporating both a bidentate chelate and a tridentate fragment, has been prepared; this complex undergoes an electrochemically driven pirouetting motion of the ring around the axis which...

Energy Transfer in Rigid Ru(II)/Os(II) Dinuclear Complexes with Biscyclometalating Bridging Ligands Containing a Variable Number of Phenylene Units.

Inorganic chemistry

Barigelletti F, Flamigni L, Guardigli M, Juris A, Beley M, Chodorowski-Kimmes S, Collin JP, Sauvage JP.
PMID: 11666175
Inorg Chem. 1996 Jan 03;35(1):136-142. doi: 10.1021/ic9503085.

We have prepared rodlike cyclometalated Ru(II)/Os(II) dinuclear complexes, (ttp)Ru(dpb-(ph)(n)()-dpb)Os(ttp)(2+), where the biscyclometalating bridging ligands contain dipyridylbenzene fragments, dbp, separated by a variable number, n, of phenylene spacers, and the terminal ligand is a terpyridine derivative [dpbH is di-2-pyridyl-1,3-benzene, ttp...

A Hermaphrodite Molecule: Quantitative Copper(I)-Directed Formation of a Doubly Threaded Assembly from a Ring Attached to a String We are grateful to Jean-Daniel Sauer for high-field NMR experiments and to Raymond Hubert and Hélène Nierengarten for MS measurements. We also gratefully acknowledge the help of Prof. Jean Fischer and Dr. Nathalie Kyritsakas (Laboratoire de Cristallochimie et de Chimie Structurale, Université Louis Pasteur). M.C.J. thanks the European Commission for a Grant (TMR Cont.

Angewandte Chemie (International ed. in English)

Jiménez MC, Dietrich-Buchecker C, Sauvage JP, De Cian A.
PMID: 10767036
Angew Chem Int Ed Engl. 2000 Apr;39(7):1295-1298. doi: 10.1002/(sici)1521-3773(20000403)39:7<1295::aid-anie1295>3.0.co;2-d.

No abstract available.

[Treating type 2 diabetes: theory and practice].

Diabetes & metabolism

Sauvanet JP.
PMID: 14672091
Diabetes Metab. 2003 Nov;29(5):556-7.

No abstract available.

Light-driven expulsion of the sterically hindering ligand L in tris-diimine ruthenium(II) complexes of the Ru(phen)2(L)2+ family: a pronounced ring effect.

Inorganic chemistry

Collin JP, Jouvenot D, Koizumi M, Sauvage JP.
PMID: 15962977
Inorg Chem. 2005 Jun 27;44(13):4693-8. doi: 10.1021/ic050246a.

Three new ruthenium(II) complexes have been prepared which contain two 1,10-phenanthroline units and a third sterically hindering chelate. In one case, the hindering ligand is a disubstituted 2,2'-bipyridine (bpy) attached to two very bulky manisyl groups. The two other...

A triad based on an iridium(III) bisterpyridine complex leading to a charge-separated state with a 120-micros lifetime at room temperature.

Chemistry (Weinheim an der Bergstrasse, Germany)

Flamigni L, Baranoff E, Collin JP, Sauvage JP.
PMID: 16807945
Chemistry. 2006 Aug 25;12(25):6592-606. doi: 10.1002/chem.200600002.

A triad D-Ir-A, where Ir is an Ir(III) bisterpyridine complex connected through an amidophenyl spacer to D, a triphenylamine electron donor, and to A, a naphthalene bisimide electron acceptor, has been synthesized and electrochemically investigated. The photoinduced processes in...

A catenane consisting of a large ring threaded through both cyclic units of a handcuff-like compound.

Chemical communications (Cambridge, England)

Frey J, Kraus T, Heitz V, Sauvage JP.
PMID: 16244738
Chem Commun (Camb). 2005 Nov 14;(42):5310-2. doi: 10.1039/b509745b. Epub 2005 Sep 23.

The template effect of copper(I) allowed the preparation of a new catenane constructed around a bis-macrocyclic unit; a double ring-closing metathesis reaction afforded the central ring which is threaded through both rings of the bis-macrocycle.

Showing 1 to 12 of 153 entries