Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Joseph A. Paquette"'
Publikováno v:
The Journal of Physical Chemistry A. 123:323-328
The electronic structure of 1,3,5-triphenyl-6-oxoverdazyl, a heteroatom-rich stable organic radical, and its diamagnetic 1,3,5-triphenyl-6-oxotetrazane precursor are probed using X-ray absorption near-edge structure (XANES) spectroscopy. The N K-edge
Publikováno v:
Canadian Journal of Chemistry. 95:399-409
We report the synthesis and mesophase characterization of a series of novel hexaalkoxydibenzanthracenes to probe the effect of side-chain length variation and substituents on the mesophase temperature range. A series of hexaalkoxydibenz[a,c]anthracen
Publikováno v:
Chemistry Publications
The design, synthesis, and polymerization of a norbornene-based monomer bearing a nickel(II) complex of Goedken's macrocycle (endo-13) and the characterization of the resulting polymer (14) are described. Detailed studies of the ring-opening metathes
Autor:
Joe B. Gilroy, Joseph A. Paquette
Publikováno v:
Chemistry Publications
Nickel(II) complexes of Goedken's macrocycle bearing alkyne substituents were copolymerized with 2,7-dibromo-9,9-dihexylfluorene, 2,5-dibromo-3-hexylthiophene, and 1,4-dibromo-2,5-bis(hexyloxy)benzene via microwave-induced Sonogashira cross-coupling
Autor:
Kenneth E. Maly, S. Holger Eichhorn, Joanne Wing-Yan Yu, Joseph A. Paquette, Rebecca E. Yardley
Publikováno v:
New Journal of Chemistry. 40:5985-5988
We report the synthesis and mesophase characterization of a series of novel di- and tetra-aryl acenequinones. Diphenyl-acenequinones 1 and 2 exhibit monotropic mesophases while tetra-aryl acenequinones 4 and 5 exhibit stable columnar hexagonal mesoph
Publikováno v:
Chemistry Publications
The synthesis, characterization, and ring-opening methathesis polymerization (ROMP) of a novel norbornene-based boron difluoride (BF2) formazante monomer are described in detail. The polymerization studies confirmed ROMP to occur in the presence of B
Publikováno v:
Chemical Vapor Deposition. 21:275-280
Remarkable developments and successes are witnessed in the fabrication and implementation of optical sensors based on localized surface plasmon resonance (LSPR) for the investigation of chemical and biological material quantities. We report on the re
Autor:
Kevin J. A. Bozek, Vance E. Williams, Katie M. Psutka, Joseph A. Paquette, Joshua R. Williams, Kenneth E. Maly, Oliver Calderon
Publikováno v:
European Journal of Organic Chemistry. 2015:1456-1463
We report the synthesis of a series of 2,3,5,6-tetraalkoxydibenz[a,c]anthracenes bearing substituents (H, OCH3, or CN) in the 11- and 12-positions and an investigation of their liquid-crystalline properties. The synthesis involved Suzuki coupling of
Publikováno v:
Macromolecular Rapid Communications. 36:621-626
The synthesis and characterization of a new class of nickel-containing polymers is described. The optimized copolymerization of alkyne-bearing nickel(II) complexes of Goedken's macrocycle (4,11-dihydro-5,7,12,14-tetramethyldibenzo[b,i][1,4,8,11]tetra
Autor:
Jacquelyn T. Price, Reg Bauld, Christopher S. Harrison, Giovanni Fanchini, Joseph A. Paquette, Joe B. Gilroy
Publikováno v:
Polym. Chem.. 5:5223-5226
6-Oxoverdazyl radical polymers were synthesized and their tunable redox properties studied in solution and the solid-state. The preservation of the pendant 6-oxoverdazyl moieties in the polymers produced was confirmed through spectroscopic studies an