Zobrazeno 1 - 10
of 254
pro vyhledávání: '"and John R. Shapley"'
Autor:
Timothy J. Strathmann, Dimao Wu, Mengwei Han, Jinyong Liu, Charles J. Werth, Xiaoge Su, Danielle L. Gray, John R. Shapley
Publikováno v:
Inorganic Chemistry. 56:1757-1769
Recently, N,N-trans Re(O)(LN–O)2X (LN–O = monoanionic N–O chelates; X = Cl or Br prior to being replaced by solvents or alkoxides) complexes have been found to be superior to the corresponding N,N-cis isomers in the catalytic reduction of perch
Autor:
John R. Shapley, Timothy J. Strathmann, Charles J. Werth, Yin Wang, Jinyong Liu, Jong Kwon Choe
Publikováno v:
ACS Catalysis. 5:511-522
A highly active catalyst for reduction of the inert water contaminant perchlorate (ClO4–) to Cl– with 1 atm H2 at 25 °C is prepared by noncovalently immobilizing the rhenium complex ReV(O)(hoz)2Cl (hoz = 2-(2′-hydroxyphenyl)-2-oxazoline) toget
Publikováno v:
Journal of Organometallic Chemistry. :98-105
A number of bis(diene)iridium(I)tin complexes have been synthesized to assess the influence of various dienes on the steric and electronic properties of Ir(diene)2Sn(CH3)3, where the diene is DMB = 2,3-dimethyl-1,3-butadiene (1), NBD = 2,5-norbornadi
Autor:
Jong Kwon Choe, Charles J. Werth, Danmeng Shuai, Dorrell C. McCalman, John R. Shapley, William F. Schneider
Publikováno v:
ACS Catalysis. 3:453-463
Catalytic reduction with Pd has emerged as a promising technology to remove a suite of contaminants from drinking water, such as oxyanions, disinfection byproducts, and halogenated pollutants, but low activity is a major challenge for application. To
Autor:
John R. Shapley, Rui Zhang, Charles J. Werth, Kathryn A. Guy, Danmeng Shuai, Timothy J. Strathmann
Publikováno v:
ChemCatChem. 5:313-321
To understand nitrate reduction pathway and to improve selectivity towards dinitrogen (N2) over toxic ammonia species (NH4+, NH3), aqueous reduction experiments with an Al2O3-supported Pd-In bimetallic catalyst were conducted by using isotope-labeled
Autor:
Danielle L. Gray, Xiaoge Su, Susana Y. Kimura, Dimao Wu, Charles J. Werth, Jinyong Liu, Timothy J. Strathmann, John R. Shapley, Mahdi M. Abu-Omar, Mengwei Han
Publikováno v:
Inorganic chemistry. 55(5)
This study develops synthetic strategies for N,N-trans and N,N-cis Re(O)(LO-N)2Cl complexes and investigates the effects of the coordination spheres and ligand structures on ancillary ligand exchange dynamics and catalytic perchlorate reduction activ
Autor:
John R. Shapley, Kathleen H. Kelley, Dorrell C. McCalman, William F. Schneider, Charles J. Werth
Publikováno v:
Topics in Catalysis. 55:300-312
Nitrous Oxide (N2O), an ozone depleting greenhouse gas, is an observed intermediate in aqueous nitrate/nitrite reduction mediated by both natural microbial and synthetic laboratory catalysts. Because of our interest in catalytic nitrate/nitrite remed
Publikováno v:
ChemCatChem. 3:898-903
Publikováno v:
Environmental Science & Technology. 44:4716-4721
Recent work demonstrates reduction of aqueous perchlorate by hydrogen at ambient temperatures and pressures using a novel rhenium-palladium bimetal catalyst immobilized on activated carbon (Re/Pd-AC). This study examines the influence of Re speciatio
Publikováno v:
Journal of Organometallic Chemistry. 694:3331-3337
The fluorocarbon soluble, binuclear ruthenium(I) complexes [Ru(μ-O 2 CMe)(CO) 2 L F ] 2 , where L F is the perfluoroalkyl substituted tertiary phosphine, P(C 6 H 4 -4-CH 2 CH 2 (CF 2 ) 7 CF 3 ) 3 , or P(CH 2 CH 2 (CF 2 ) 5 CF 3 ) 3 , were synthesize