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Showing 13 to 24 of 142 entries
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A new class of organic donor-acceptor molecules with large third-order optical nonlinearities.

Chemical communications (Cambridge, England)

Michinobu T, May JC, Lim JH, Boudon C, Gisselbrecht JP, Seiler P, Gross M, Biaggio I, Diederich F.
PMID: 15685321
Chem Commun (Camb). 2005 Feb 14;(6):737-9. doi: 10.1039/b417393g. Epub 2005 Jan 17.

Donor-acceptor molecules with 4-(dimethylamino)phenyl donor and 1,1,4,4-tetracyanobuta-1,3-diene acceptor moieties are readily prepared by short, high-yielding routes. The quite small chromophores are characterised by X-ray crystallography and feature intense intramolecular charge-transfer bands, substantial quinoid character in the donor rings, reversible...

Synthesis and properties of oligo[n]cruciforms: nanosized sterically encumbered tetraethynylphenyl-homologated fluorophores.

The Journal of organic chemistry

Al Ouahabi A, Baxter PN, Gisselbrecht JP, De Cian A, Brelot L, Kyritsakas-Gruber N.
PMID: 19522488
J Org Chem. 2009 Jul 03;74(13):4675-89. doi: 10.1021/jo802797e.

A series of nanosized phenyleneethynylenes have been prepared which are sterically insulated from the surrounding environment by multiple functionalization with triisopropylsilyl (TIPS) substituents. The phenyleneethynylenes comprise oligo[n]cruciforms 1-4 (n = 3-5) and a dehydrotribenzo[12]annulene 5, the former of which...

Visualizing the product of a formal cycloaddition of 7,7,8,8-tetracyano-p-quinodimethane (TCNQ) to an acetylene-appended porphyrin by scanning tunneling microscopy on Au(111).

Chemistry (Weinheim an der Bergstrasse, Germany)

Fesser P, Iacovita C, Wäckerlin C, Vijayaraghavan S, Ballav N, Howes K, Gisselbrecht JP, Crobu M, Boudon C, Stöhr M, Jung TA, Diederich F.
PMID: 21484902
Chemistry. 2011 May 02;17(19):5246-50. doi: 10.1002/chem.201100733. Epub 2011 Apr 11.

No abstract available.

Organic super-acceptors with efficient intramolecular charge-transfer interactions by [2+2] cycloadditions of TCNE, TCNQ, and F4-TCNQ to donor-substituted cyanoalkynes.

Chemistry (Weinheim an der Bergstrasse, Germany)

Kivala M, Boudon C, Gisselbrecht JP, Enko B, Seiler P, Müller IB, Langer N, Jarowski PD, Gescheidt G, Diederich F.
PMID: 19266523
Chemistry. 2009;15(16):4111-23. doi: 10.1002/chem.200802563.

Rivaling the best one: Thermal [2+2] cycloadditions of TCNE, TCNQ, and F(4)-TCNQ to N,N-dimethylanilino-substituted cyanoalkynes afforded a new class of organic super-acceptors featuring efficient intramolecular charge-transfer interactions. These acceptors rival the acceptor F(4)-TCNQ in the propensity for reversible electron...

Probing single-photon ionization on the attosecond time scale.

Physical review letters

Klünder K, Dahlström JM, Gisselbrecht M, Fordell T, Swoboda M, Guénot D, Johnsson P, Caillat J, Mauritsson J, Maquet A, Taïeb R, L'Huillier A.
PMID: 21561188
Phys Rev Lett. 2011 Apr 08;106(14):143002. doi: 10.1103/PhysRevLett.106.143002. Epub 2011 Apr 05.

We study photoionization of argon atoms excited by attosecond pulses using an interferometric measurement technique. We measure the difference in time delays between electrons emitted from the 3s(2) and from the 3p(6) shell, at different excitation energies ranging from...

Structural, optical, and electrochemical properties of three-dimensional push-pull corannulenes.

The Journal of organic chemistry

Wu YL, Stuparu MC, Boudon C, Gisselbrecht JP, Schweizer WB, Baldridge KK, Siegel JS, Diederich F.
PMID: 23171240
J Org Chem. 2012 Dec 21;77(24):11014-26. doi: 10.1021/jo302217n. Epub 2012 Dec 05.

Electrochemically active corannulene derivatives with various numbers of electron-donating 4-(N,N-dimethylamino)phenylethynyl (1-4) or electron-withdrawing cyanobutadienyl peripheral substitutents (5-8) were prepared. The latter derivatives resulted from formal [2 + 2] cycloaddition of cyanoolefins to 1-4 followed by retro-electrocyclization. Conformational properties were...

Cascade carbopalladation reaction between alkynes and gem-dibromoolefins: facile access to monoannelated pentalenes.

Organic letters

Rivera-Fuentes P, Rekowski Mv, Schweizer WB, Gisselbrecht JP, Boudon C, Diederich F.
PMID: 22849571
Org Lett. 2012 Aug 17;14(16):4066-9. doi: 10.1021/ol301670d. Epub 2012 Jul 31.

A carbopalladation cascade reaction of easily accessible gem-dibromoolefins and alkynes furnishes monobenzo- and mononaphthopentalenes. The new chromophores accessed by this short route exhibit small HOMO-LUMO gaps and redox amphoteric behavior with tunable redox potentials.

Is Dose-Dense Therapy Effective Against DLBCL in the Era of Rituximab?.

Oncology (Williston Park, N.Y.)

Gisselbrecht C.
PMID: 25192143
Oncology (Williston Park). 2012 May 15;26(5).

No abstract available.

Electrochemical and Spectral Characterization of Iron Corroles in High and Low Oxidation States:  First Structural Characterization of an Iron(IV) Tetrapyrrole π Cation Radical.

Inorganic chemistry

Van Caemelbecke E, Will S, Autret M, Adamian VA, Lex J, Gisselbrecht JP, Gross M, Vogel E, Kadish KM.
PMID: 29350036
Inorg Chem. 1996 Jan 03;35(1):184-192. doi: 10.1021/ic9509037.

The electrochemistry and spectroscopic properties of three iron corroles were examined in benzonitrile, dichloromethane, and pyridine containing 0.1 M tetra-n-butylammonium perchlorate or tetra-n-ethylammonium hexafluorophosphate as supporting electrolyte. The investigated compounds are represented as (OEC)Fe

Unconventional Synthesis of a Cu.

Chemistry (Weinheim an der Bergstrasse, Germany)

Trolez Y, Finke AD, Silvestri F, Monti F, Ventura B, Boudon C, Gisselbrecht JP, Schweizer WB, Sauvage JP, Armaroli N, Diederich F.
PMID: 29727042
Chemistry. 2018 Jul 20;24(41):10422-10433. doi: 10.1002/chem.201801161. Epub 2018 Jun 27.

A Cu

Toward Better Control of Inclusion Cleanliness in a Gas Stirred Ladle Using Multiscale Numerical Modeling.

Materials (Basel, Switzerland)

Bellot JP, Kroll-Rabotin JS, Gisselbrecht M, Joishi M, Saxena A, Sanders S, Jardy A.
PMID: 29996521
Materials (Basel). 2018 Jul 10;11(7). doi: 10.3390/ma11071179.

The industrial objective of lowering the mass of mechanical structures requires continuous improvement in controlling the mechanical properties of metallic materials. Steel cleanliness and especially control of inclusion size distribution have, therefore, become major challenges. Inclusions have a detrimental...

European Medicines Agency review of ixazomib (Ninlaro) for the treatment of adult patients with multiple myeloma who have received at least one prior therapy.

ESMO open

Tzogani K, Florez B, Markey G, Caleno M, Olimpieri OM, Melchiorri D, Hovgaard DJ, Sarac SB, Penttilä K, Lapveteläinen T, Salmonson T, Bergh J, Gisselbrecht C, Pignatti F.
PMID: 31555488
ESMO Open. 2019 Sep 08;4(5):e000570. doi: 10.1136/esmoopen-2019-000570. eCollection 2019.

On 21 November 2016, the European Commission issued a marketing authorisation valid throughout the European Union for ixazomib in combination with lenalidomide and dexamethasone for the treatment of adult patients with multiple myeloma who have received at least one...

Showing 13 to 24 of 142 entries