Search Results - "Tsang, W. C. Peter"

Combined C−H Functionalization/C−N Bond Formation Route to Carbazoles by Tsang, W. C. Peter, Zheng, Nan, Buchwald, Stephen L

“…A new method in which a series of substituted carbazoles is efficiently produced by the combination of an amide and an arene is described. The key feature of…”
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Palladium-Catalyzed Method for the Synthesis of Carbazoles via Tandem C−H Functionalization and C−N Bond Formation by Tsang, W. C. Peter, Munday, Rachel H, Brasche, Gordon, Zheng, Nan, Buchwald, Stephen L

“…The development of a new method for the assembly of unsymmetrical carbazoles is reported. The strategy involves the selective intramolecular functionalization…”
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An Enantiomerically Pure Adamantylimido Molybdenum Alkylidene Complex. An Effective New Catalyst for Enantioselective Olefin Metathesis by Tsang, W. C. Peter, Jernelius, Jesper A, Cortez, G. A, Weatherhead, Gabriel S, Schrock, Richard R, Hoveyda, Amir H

“…An enantiomerically pure Mo-based complex that bears an alkylimido ligand is prepared and characterized through NMR spectroscopy and X-ray analysis. Mo complex…”
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Catalytic Homologation of Vinyltributylstannane to Allyltributylstannane by Mo(IV) Complexes in the Presence of Ethylene by Schrock, Richard R, Duval-Lungulescu, M, Tsang, W. C. Peter, Hoveyda, Amir H

“…We have found that CH2CHSnBu3 is converted into CH2CHCH2SnBu3 catalytically in the presence of Mo(IV) olefin complexes such as Mo(NAr)(CH2CH2)[biphen] (where…”
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Alkylidene and Metalacyclic Complexes of Tungsten that Contain a Chiral Biphenoxide Ligand. Synthesis, Asymmetric Ring-Closing Metathesis, and Mechanistic Investigations by Tsang, W. C. Peter, Hultzsch, Kai C, Alexander, John B, Bonitatebus, Peter J, Schrock, Richard R, Hoveyda, Amir H

“…Two complexes that contain the racemic or enantiomerically pure (S) form of the 3,3‘-di-tert-butyl-5,5‘,6,6‘-tetramethyl-1,1‘-biphenyl-2,2‘-diolate (Biphen2-)…”
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Investigations of Reactions between Chiral Molybdenum Imido Alkylidene Complexes and Ethylene:  Observation of Unsolvated Base-Free Methylene Complexes, Metalacyclobutane and Metalacyclopentane Complexes, and Molybdenum(IV) Olefin Complexes by Tsang, W. C. Peter, Jamieson, Jennifer Y, Aeilts, Sarah L, Hultzsch, Kai C, Schrock, Richard R, Hoveyda, Amir H

“…In this paper we explore reactions between 13CH213CH2 and the imido alkylidene complexes, Mo(NAr)(CHCMe2Ph)[(S)-Biphen] (3a; NAr = N-2,6-i-Pr2C6H3),…”
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Evaluation of Enantiomerically Pure Binaphthol-Based Molybdenum Catalysts for Asymmetric Olefin Metathesis Reactions that Contain 3,3‘-Diphenyl- or 3,3‘-Dimesityl-Substituted Binaphtholate Ligands. Generation and Decomposition of Unsubstituted Molybdacyclobutane Complexes by Tsang, W. C. Peter, Schrock, Richard R, Hoveyda, Amir H

“…Enantiomerically pure molybdenum imido alkylidene complexes were prepared that contain binaphtholate ligands substituted in the 3 and 3‘ positions with either…”
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Alkylidene and Metalacyclic Complexes of Tungsten that Contain a Chiral Biphenoxide Ligand. Synthesis, Asymmetric Ring-Closing Metathesis, and Mechanistic Investigations  [J. Am. Chem. Soc. 2003, 125, 2652−2666]. by Tsang, W. C. Peter, Hultzsch, Kai C, Alexander, John B, Bonitatebus, Peter J, Schrock, Richard R, Hoveyda, Amir H

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Enhanced method for the generation of binary Fresnel holograms based on grid-cross downsampling by W. K. Cheung, W. K. Cheung, Peter Tsang, Peter Tsang, T. C. Poon, T. C. Poon, Changhe Zhou, Changhe Zhou

“…Past research has demonstrated that digital Fresnel holograms can be binarized in a non-iterative manner by downsampling the source image with a grid lattice…”
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