Search Results - "Lee, Darren S."

Scalable Continuous Vortex Reactor for Gram to Kilo Scale for UV and Visible Photochemistry by Lee, Darren S, Sharabi, Medhat, Jefferson-Loveday, Richard, Pickering, Stephen J, Poliakoff, Martyn, George, Michael W

“…We report the development of a scalable continuous Taylor vortex reactor for both UV and visible photochemistry. This builds on our recent report (Org. Process…”
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1,4-Addition of TMSCCl3 to (E)-Fumaric Esters and Thermal Rearrangement of the Adducts to 3,4-Dichloropent-2-enedioates by Wahl, Benoit, Lee, Darren S., Woodward, Simon

“…The diesters (E)‐RO2CCH=CHCO2R [R = Et, CH2Ph, iPr, iBu, tBu, 2‐ethylhexyl, (–)‐menthyl, (–)‐bornyl] undergo 1,4‐trichloromethylation with Me3SiCCl3 in 84–95 %…”
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Vanadium(V) Oxo and Imido Calix[8]arene Complexes: Synthesis, Structural Studies, and Ethylene Homo/Copolymerisation Capability by Redshaw, Carl, Walton, Mark J., Lee, Darren S., Jiang, Chengying, Elsegood, Mark R. J., Michiue, Kenji

“…Interaction of p‐tert‐butylcalix[8]areneH8 (L8H8) with [NaVO(OtBu)4] (formed in situ from VOCl3) afforded the complex [Na(NCMe)5][(VO)2L8H]⋅4 MeCN (1⋅4 MeCN)…”
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Continuous N-alkylation reactions of amino alcohols using γ-Al2O3 and supercritical CO2: unexpected formation of cyclic ureas and urethanes by reaction with CO2 by Streng, Emilia S, Lee, Darren S, George, Michael W, Poliakoff Martyn

“…The use of γ-Al2O3 as a heterogeneous catalyst in scCO2 has been successfully applied to the amination of alcohols for the synthesis of N-alkylated…”
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Palladium-Catalyzed Stereoselective Intramolecular Oxidative Amidation of Alkenes in the Synthesis of 1,3- and 1,4-Amino Alcohols and 1,3-Diamines by Malkov, Andrei V., Lee, Darren S., Barłóg, Maciej, Elsegood, Mark R. J., Kočovský, Pavel

“…An efficient and practical Pd‐catalyzed intramolecular oxidative allylic amidation provides facile access to derivatives of 1,3‐ and 1,4‐amino alcohols and…”
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A Continuous-Flow Electrochemical Taylor Vortex Reactor: A Laboratory-Scale High-Throughput Flow Reactor with Enhanced Mixing for Scalable Electrosynthesis by Love, Ashley, Lee, Darren S, Gennari, Gabriele, Jefferson-Loveday, Richard, Pickering, Stephen J, Poliakoff, Martyn, George, Michael

“…We report the development of a small footprint continuous electrochemical Taylor vortex reactor capable of processing kilogram quantities of material per day…”
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Continuous Photo-Oxidation in a Vortex Reactor: Efficient Operations Using Air Drawn from the Laboratory by Lee, Darren S, Amara, Zacharias, Clark, Charlotte A, Xu, Zeyuan, Kakimpa, Bruce, Morvan, Herve P, Pickering, Stephen J, Poliakoff, Martyn, George, Michael W

“…We report the construction and use of a vortex reactor which uses a rapidly rotating cylinder to generate Taylor vortices for continuous flow thermal and…”
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A Simple and Versatile Reactor for Photochemistry by Clark, Charlotte A, Lee, Darren S, Pickering, Stephen J, Poliakoff, Martyn, George, Michael W

“…A photoreactor that generates a thin film upon rotation for efficient irradiation of solutions is described. The reactor is based around a standard piece of…”
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High-Productivity Single-Pass Electrochemical Birch Reduction of Naphthalenes in a Continuous Flow Electrochemical Taylor Vortex Reactor by Lee, Darren S., Love, Ashley, Mansouri, Zakaria, Waldron Clarke, Toby H., Harrowven, David C., Jefferson-Loveday, Richard, Pickering, Stephen J., Poliakoff, Martyn, George, Michael W.

“…We report the development of a single-pass electrochemical Birch reduction carried out in a small footprint electrochemical Taylor vortex reactor with…”
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UV PhotoVap: Demonstrating How a Simple and Versatile Reactor Based on a Conventional Rotary Evaporator Can Be Used for UV Photochemistry by Clark, Charlotte A, Lee, Darren S, Pickering, Stephen J, Poliakoff, Martyn, George, Michael W

“…We report the use of a simple rotary evaporator as a semi-continuous UV photochemical reactor. By generation of a thin film from the rotation of a flask,…”
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Integrated Multistep Photochemical and Thermal Continuous Flow Reactions: Production of Bicyclic Lactones with Kilogram Productivity by Howie, Rowena A, Elliott, Luke D, Kayal, Surajit, Sun, Xue-Zhong, Hanson-Heine, Magnus W. D, Hunter, Jonathan, Clark, Charlotte A, Love, Ashley, Wiseall, Christopher, Lee, Darren S, Poliakoff, Martyn, Booker Milburn, Kevin I, George, Michael W

“…Combining continuous photochemistry and flow reactions in high-temperature/high-pressure water has enabled us to integrate a multistep sequence into a single…”
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Efficient Preparation of TMSCCl2Br and Its Use in Dichlorocyclopropanation of Electron-Deficient Alkenes by Lee, Darren S., Durán-Peña, María Jesús, Burroughs, Laurence, Woodward, Simon

“…The reaction of excess TMSCl and LiCCl2Br at low temperature is a technically simple high yield route to TMSCCl2Br. The latter is a stable source of the…”
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Investigating Scale-Up and Further Applications of DABAL-Me3 Promoted Amide Synthesis by Lee, Darren S, Amara, Zacharias, Poliakoff, Martyn, Harman, Thomas, Reid, Gary, Rhodes, Barrie, Brough, Steve, McInally, Thomas, Woodward, Simon

“…Methods for the batch scale up of DABAL-Me3 promoted direct ester to amide synthesis have been demonstrated at 10–100 g scales using a tert-amide model…”
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Combining engineering and chemistry for the selective continuous production of four different oxygenated compounds by photo-oxidation of cyclopentadiene using liquid and supercritical CO2 as solvents by Wu, Lingqiao, Abada, Zahra, Lee, Darren S., Poliakoff, Martyn, George, Michael W.

“…A range of products is reported from the photo-oxidation of cyclopentadiene from photochemically generated singlet oxygen (1O2) using carbon dioxide (CO2) as a…”
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1,4‐Addition of TMSCCl 3 to ( E )‐Fumaric Esters and Thermal Rearrangement of the Adducts to 3,4‐Dichloropent‐2‐enedioates by Wahl, Benoit, Lee, Darren S., Woodward, Simon

“…The diesters ( E )‐RO 2 CCH=CHCO 2 R [R = Et, CH 2 Ph, i Pr, i Bu, t Bu, 2‐ethylhexyl, (–)‐menthyl, (–)‐bornyl] undergo 1,4‐trichloromethylation with Me 3…”
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Efficient Preparation of TMSCCl 2 Br and Its Use in Dichlorocyclopropanation of Electron‐Deficient Alkenes by Lee, Darren S., Durán‐Peña, María Jesús, Burroughs, Laurence, Woodward, Simon

“…The reaction of excess TMSCl and LiCCl 2 Br at low temperature is a technically simple high yield route to TMSCCl 2 Br. The latter is a stable source of the…”
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Efficient Preparation of TMSCCl sub(2)Br and Its Use in Dichlorocyclopropanation of Electron-Deficient Alkenes by Lee, Darren S, Duran-Pena, Maria Jesus, Burroughs, Laurence, Woodward, Simon

“…The reaction of excess TMSCl and LiCCl sub(2)Br at low temperature is a technically simple high yield route to TMSCCl sub(2)Br. The latter is a stable source…”
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Investigating Scale-Up and Further Applications of DABAL-Me 3 Promoted Amide Synthesis by Lee, Darren S., Amara, Zacharias, Poliakoff, Martyn, Harman, Thomas, Reid, Gary, Rhodes, Barrie, Brough, Steve, McInally, Thomas, Woodward, Simon

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Photooxidation of Fulvenes in a Continuous Flow Photoreactor using Carbon Dioxide as a Solvent by Wu, Lingqiao, Lee, Darren S., Boufroura, Hamza, Poliakoff, Martyn, George, Michael W.

“…A range of 3‐substituted oxepinones have been synthesised by the photooxidation of fulvenes with photochemically generated singlet oxygen (1O2) using carbon…”
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Continuous N -alkylation reactions of amino alcohols using γ-Al 2 O 3 and supercritical CO 2 : unexpected formation of cyclic ureas and urethanes by reaction with CO 2 by Streng, Emilia S, Lee, Darren S, George, Michael W, Poliakoff, Martyn

“…The use of γ-Al O as a heterogeneous catalyst in scCO has been successfully applied to the amination of alcohols for the synthesis of -alkylated heterocycles…”
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