Author : Helena Grennberg
Publisher :
Page : 55 pages
File Size : 38,57 MB
Release : 1992
Category : Alkenes
ISBN : 9789155429638
[PDF] Development And Mechanistic Studies Of Palladium Catalysed Oxidations Of Conjugated Dienes And Olefins eBook
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Studies on Palladium(II)-catalyzed Aerobic Oxidations of Olefins and Conjugated Dienes in DMSO
Author : Magnus Rönn
Publisher :
Page : 51 pages
File Size : 45,67 MB
Release : 1997
Category : Alkenes
ISBN : 9789155439583
Palladium Catalyzed Oxidation of Hydrocarbons
Author : P. Henry
Publisher : Springer Science & Business Media
Page : 449 pages
File Size : 14,97 MB
Release : 2012-12-06
Category : Science
ISBN : 940099446X
The field of organometallic chemistry has emerged over the last twenty-five years or so to become one of the most important areas of chemistry, and there are no signs of abatement in the intense current interest in the subject, particularly in terms of its proven and potential application in catalytic reactions involving hydrocarbons. The development of the organometallic/ catalysis area has resulted in no small way from many contributions from researchers investigating palladium systems. Even to the well-initiated, there seems a bewildering and diverse variety of organic reactions that are promoted by palladium(II) salts and complexes. Such homogeneous reactions include oxidative and nonoxidative coupling of substrates such as olefins, dienes, acetylenes, and aromatics; and various isomerization, disproportionation, hydrogenation, dehydrogenation, car bonylation and decarbonylation reactions, as well as reactions involving formation of bonds between carbon and halogen, nitrogen, sulfur, and silicon. The books by Peter M. Maitlis - The Organic Chemistry of Palladium, Volumes I, II, Academic Press, 1971 - serve to classify and identify the wide variety of reactions, and access to the vast literature is available through these volumes and more recent reviews, including those of J. Tsuji [Accounts Chem. Res. , 6, 8 (1973); Adv. in Organometal. , 17, 141 (1979)], R. F. Heck [Adv. in Catat. , 26, 323 (1977)], and ones by Henry [Accounts Chem. Res. , 6, 16 (1973); Adv. in Organometal. , 13, 363 (1975)]. F. R. Hartley's book - The Chemistry of Platinum and Palladium, App!. Sci. Pub!.
The Development and Mechanistic Studies of Palladium Catalyzed Hydroamination and Metal-free Oxidative Amination Reactions
Author : Brian M. Cochran
Publisher :
Page : 612 pages
File Size : 26,52 MB
Release : 2009
Category : Alkenes
ISBN :
Mechanistic Studies of Palladium-catalyzed "Wacker-type" Intramolecular Aerobic Oxidative Amination of Alkenes and Development of Safe and Scalable Continuous-flow Methods for Palladium-catalyzed Aerobic Oxidation
Author : Xuan Ye
Publisher :
Page : 219 pages
File Size : 46,36 MB
Release : 2010
Category :
ISBN :
Mechanistic Studies and Catalyst Development of Palladium-catalyzed Aerobic C-h Oxidations of (hetero)aromatics
Author : Dian Wang
Publisher :
Page : 194 pages
File Size : 32,89 MB
Release : 2017
Category :
ISBN :
The selective oxidation of C-H bonds in (hetero)aromatics provides an efficient access to functionalized aromatic molecules of industrial interest. Aerobic oxygen is an ideal terminal oxidants for this transformation because it is readily available and often produces water as the sole byproduct. Homogeneous palladium catalysts are eminently compatible with aerobic turnovers and have seen success in numerous aerobic oxidation processes (e. g., alkene oxidation, alcohol oxidation). In contrast, palladium-catalyzed aerobic oxidative C-H functionalization has been rather underdeveloped. Challenges include slow catalytic turnover, catalyst decomposition and lack of selectivity control (e.g., site selectivity, homo- vs. cross-coupling selectivity). This thesis presents three research projects with different approaches to tackle the unsolved problems in the reaction class of palladium-catalyzed aerobic C-H oxidation of (hetero)aromatics. The reaction mechanism of C-H/C-H coupling of [o]-xylene was characterized, which disclosed a novel, bimetallic pathway. Built on this work, the effect of copper cocatalyst in this reaction was investigated, which revealed a non-traditional role of copper salt in oxidative palladium catalysis and led to the discovery of an improved catalyst system. Last, a synthetic methodology for aerobic indole C-H arylation with ligand-controlled site selectivity was developed, which provided efficient access to pharmaceutically-relevant aryl indoles and led to preliminary mechanistic insights into regiocontrol.
Olefin Polymerization
Author : Walter Kaminsky
Publisher : Wiley-VCH
Page : 0 pages
File Size : 17,79 MB
Release : 2006-08-18
Category : Technology & Engineering
ISBN : 9783527317424
With an enormous velocity, olefin polymerization has expanded to one of the most significant fields in polymers since the first industrial use about 50 years ago. In 2005, 100 million tons of polyolefins were produced - the biggest part was catalyzed by metallorganic compounds. The Hamburg Macromolecular Symposium 2005 with the title "Olefin Polymerization" involved topics such as new catalysts and cocatalysts, kinetics, mechanism and polymer reaction engineering, synthesis of special polymers, and characterization of polyolefins. The conference combined scientists from different disciplines to discuss latest research results of polymers and to offer each other the possibility of cooperation. This is reflected in this volume, which contains invited lectures and selected posters presented at the symposium.
Development and Applications of Intramolecular Palladium-catalyzed 1,4-oxidations of Conjugated Dienes
Author : Pher Andersson
Publisher :
Page : 63 pages
File Size : 40,17 MB
Release : 1991
Category : Diolefins
ISBN : 9789155427962
Mechanistic Studies of Palladium-catalyzed Diene Carbocyclization
Author : Laurel Anne Goj
Publisher :
Page : 570 pages
File Size : 49,90 MB
Release : 2004
Category : Diolefins
ISBN :
Mechanistic Studies on the Reactions of Dienes and Palladium(II) Complexes
Author : H. M. Asfour
Publisher :
Page : 0 pages
File Size : 10,98 MB
Release : 1984
Category :
ISBN :