Výsledky vyhledávání - "Frank P. A. Johnson"

Photochemistry of [Re(bipy)(CO)3(PPh3)]+ (bipy = 2,2′-bipyridine) in the presence of triethanolamine associated with photoreductive fixation of carbon dioxide: participation of a chain reaction mechanism

Autor: Hisao Hori, Kazuhide Koike, Koji Takeuchi, Frank P. A. Johnson, Osamu Ishitani, Takashi Ibusuki

Publikováno v: Journal of the Chemical Society, Dalton Transactions. :1019-1024

The complex fac-[Re(bipy)(CO) 3 (PPh 3 )] + 1 + (bipy = 2,2′-bipyridine) was converted into a formate complex fac-[Re(bipy)(CO) 3 {OC(O)H}] 2 in a 52.2% yield by irradiation in the presence of triethanolamine (teoa) and CO 2 . This photochemical fi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a3a74ef8704e85a63b87c5205b0cf27b
https://doi.org/10.1039/a607058b

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Electrocatalytic Reduction of CO2 Using the Complexes [Re(bpy)(CO)3L]n (n = +1, L = P(OEt)3, CH3CN; n = 0, L = Cl-, Otf-; bpy = 2,2‘-Bipyridine; Otf- = CF3SO3) as Catalyst Precursors: Infrared Spectroelectrochemical Investigation

Autor: James Turner, František Hartl, Michael W. George, Frank P. A. Johnson

Publikováno v: Organometallics. 15:3374-3387

This article describes the results of an IR spectroelectrochemical study of the electrocatalytic reduction of carbon dioxide using the complexes [Re(CO)3(bpy)L]n (bpy = 2,2‘-bipyridine; n = 0, L = Cl-, CF3SO3-; n = +1, L = CH3CN, P(OEt)3) as cataly

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c43e9e87d16fed1237f5e0557fc10097
https://doi.org/10.1021/om960044+

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Excited-state properties of [(OC)5W(L)W(CO)5][L = 4,4′-bipyridyl (4,4′-bipy) or pyrazine] and [(OC)5W(4,4′-bipy)]

Autor: James Turner, Frank P. A. Johnson, Jeremy R. Westwell, Michael W. George

Publikováno v: J. Chem. Soc., Dalton Trans.. :2711-2718

Fast time-resolved infrared (TRIR) spectroscopy has been employed to probe the electron distribution in the lowest metal-to-ligand charge-transfer excited states of [(OC)5W(4,4′-bipy)W(CO)5]1, [(OC)5W(4,4′-bipy)]2(4,4′-bipy = 4,4′-bipyridyl)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8aa949568704a16e475c463e62819cf2
https://doi.org/10.1039/dt9950002711

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Organometallic photochemistry in supercritical fluids: Reactions of cyclopentadienyl carbonyl and phosphine carbonyl complexes of manganese with dinitrogen

Autor: Sara L. Morrison, Margaret Jobling, Frank P. A. Johnson, Ulrich S. Schubert, Steven M. Howdle, Jeremy R. Westwell, James A. Banister, Stefanie Grubert, Martyn Poliakoff, Michael W. George

Publikováno v: Journal of Organometallic Chemistry. 484:129-135

UV photolysis has been used to generate dinitrogen compounds by substitution of CO groups by N 2 in supercritical fluid solvents (scXe, scCO 2 and scC 2 H 6 ) containing high pressures of N 2 . Compounds include Cp'Mn(CO) 2 L (Cp′  C 5 H 4 Me; L

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c5754f9ca6fab1f0b218066c1b95fb79
https://doi.org/10.1016/0022-328x(94)87196-5

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Photophysical Behavior of a New CO2 Reduction Catalyst, Re(CO)2(bpy){P(OEt)3}2+

Autor: Koichi Nozaki, Jeremy R. Westwell, Chyongjin Pac, Osamu Ishitani, James Turner, Takashi Ibusuki, Michael W. George, Frank P. A. Johnson, Kazuhide Koike

Publikováno v: Inorganic Chemistry. 33:4712-4717

The cation Re(CO){sub 2}(2,2{prime}-bipyridyl)(P(OEt){sub 3}){sub 2}{sup +} (P {sup +}) is capable of photochemical reduction of carbon dioxide. The authors report here concerning their studies of the photophysical and photochemical properties of Re(

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c8ba71d31bde490a567a1730b68b4cdf
https://doi.org/10.1021/ic00099a022

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Time-resolved IR study of the photobehavior of 4-acetylpyridine pentacarbonyltungsten

Autor: Michael W. George, James Turner, Frank P. A. Johnson

Publikováno v: Inorganic Chemistry. 32:4226-4229

Fast time-resolved infrared spectroscopy (TRIR) is used to probe the photochemistry of W(CO) 5 (4-acetylpyridine) in n-heptane. Visible irradiation (510 nm) populates the lowest MLCT state, which is monitored by TRIR. Subsequent dissociation to W(CO)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d2c2ed447ec5f07ff3ece8037004e127
https://doi.org/10.1021/ic00072a013

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Time-resolved infrared spectroscopy of excited states of transition metal species

Autor: Michael W. George, James J. Turner, Frank P. A. Johnson, Jeremy R. Westwell

Publikováno v: Coordination Chemistry Reviews. 125:101-114

This article describes examples of the application of time-resolved infrared Spectroscopy (TRIR) to the probing of the excited states of transition metal species. Other “direct” methods for excited states include time-resolved absorption Spectros

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b04a394f3ffef53b1af43c4c88aacd3
https://doi.org/10.1016/0010-8545(93)85011-r

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Infrared spectroscopic study of the photochemical substitution and oxidative addition reactions of (.eta.5-C5R5)M(CO)4 compounds of group 5 metals: characterization of the products of reaction with nitrogen, hydrogen and HSiEt3-xClx and the kinetic investigation of (.eta.5-C5R5)M(CO)3 intermediates

Autor: Mark T. Haward, Michael W. George, Vladimir K. Popov, Paul A. Hamley, Catherine Hughes, Martyn Poliakoff, Frank P. A. Johnson

Publikováno v: Journal of the American Chemical Society. 115:2286-2299

IR spectroscopy has been used to study the photochemical reactions of H 2 and N 2 with CpM(CO) 4 and Cp * V(CO) 4 (Cp=η 5 -C 5 H 5 , Cp * =η 5 -C 5 Me 5 ; M=V, Nb, and Ta) and of HSiEt 3-x Cl x , (x=0, 2, and 3) with CpV(CO) 4 . The reactions have

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f0a0e39a731cef03c6f7d08e554f3c79
https://doi.org/10.1021/ja00059a026

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