Mechanistic Studies of Oxygen Atom Transfer at Nonheme Iron Centers PDF Download
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Author: Jinheung Kim
Publisher:
ISBN:
Category :
Languages : en
Pages : 580
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Author: Jinheung Kim
Publisher:
ISBN:
Category :
Languages : en
Pages : 580
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Author: Arlene Feay Ghiron
Publisher:
ISBN:
Category : Chemistry, Inorganic
Languages : en
Pages : 236
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Author: Travis Michael Owen
Publisher:
ISBN:
Category : Nitrogen oxides
Languages : en
Pages : 122
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Book Description
From these results, a mechanism can be proposed that includes an initial oxide(·–) ion transfer from Fe IV O group to NO to form nitrite, followed by an oxygen atom transfer from a second equivalent of [Fe IV O(N4Py)] 2+ to the nitrite intermediate to form nitrate. This second step chemistry was confirmed by independently studying the reaction of [Fe IV O(N4Py)] 2+ with nitrite to form nitrate. There is also a biological inorganic chemistry in which metal nitrosyl species are oxidized to form innocuous nitrite or nitrate. In this context, the oxidation of the synthetic nitrosyl complex [Fe(tmc)(NO)] 2+ has been studied, which also produced [Fe II (tmc)(ONO)] + . The molecular structure of [Fe II (tmc)(ONO)] + determined by X-ray crystallography indicates a bidentate binding mode of the nitrito ligand via both oxygen atoms. The oxidation results are consistent with a net oxide(·- ) ion transfer mechanism forming [Fe II (tmc)(NO 2)] +, followed by a subsequent linkage isomerization. For comparison purposes, several related, independently synthesized [Fe II (tmc)X] + complexes (X = NO 2 -, NO 3 -, AcO - ) have been characterized by spectroscopic techniques, X-ray crystallography and differential pulse and cyclic voltammetry. A final investigation involved studying the reactivity of a series of [Fe IV O(tmc)X] + (X = CF 3 SO 3 -, CF 3 CO 2 -, AcO - ) complexes toward organic substrates by oxygen atom transfer and hydrogen atom abstraction to construct a reactivity trend depending on the strength of the axial ligand X.
Author: Kevin Douglas Koehntop
Publisher:
ISBN:
Category :
Languages : en
Pages : 444
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Author: J. A. McCleverty
Publisher: Newnes
ISBN: 0080913164
Category : Science
Languages : en
Pages : 11845
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Book Description
Comprehensive Coordination Chemistry II (CCC II) is the sequel to what has become a classic in the field, Comprehensive Coordination Chemistry, published in 1987. CCC II builds on the first and surveys new developments authoritatively in over 200 newly comissioned chapters, with an emphasis on current trends in biology, materials science and other areas of contemporary scientific interest.
Author: Christopher J Schofield
Publisher: Royal Society of Chemistry
ISBN: 1849739501
Category : Science
Languages : en
Pages : 508
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Since the discovery of the first examples of 2-oxoglutarate-dependent oxygenase-catalysed reactions in the 1960s, a remarkably broad diversity of alternate reactions and substrates has been revealed, and extensive advances have been achieved in our understanding of the structures and catalytic mechanisms. These enzymes are important agrochemical targets and are being pursued as therapeutic targets for a wide range of diseases including cancer and anemia. This book provides a central source of information that summarizes the key features of the essential group of 2-oxoglutarate-dependent dioxygenases and related enzymes. Given the numerous recent advances and biomedical interest in the field, this book aims to unite the latest research for those already working in the field as well as to provide an introduction for those newly approaching the topic, and for those interested in translating the basic science into medicinal and agricultural benefits. The book begins with four broad chapters that highlight critical aspects, including an overview of possible catalytic reactions, structures and mechanisms. The following seventeen chapters focus on carefully selected topics, each written by leading experts in the area. Readers will find explanations of rapidly evolving research, from the chemistry of isopenicillin N synthase to the oxidation mechanism of 5-methylcytosine in DNA by ten-eleven-translocase oxygenases.
Author: Sam P. De Visser
Publisher: Royal Society of Chemistry
ISBN: 1849731810
Category : Science
Languages : en
Pages : 463
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Book Description
Mononuclear iron containing enzymes are important intermediates in bioprocesses and have potential in the industrial biosynthesis of specific products. This book features topical review chapters by leaders in this field and its various sub-disciplines.
Author: Andrei K. Yudin
Publisher: John Wiley & Sons
ISBN: 9783527312139
Category : Science
Languages : en
Pages : 532
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Book Description
Aziridines and epoxides are among the most widely used intermediates in organic synthesis, acting as precursors to complex molecules due to the strains incorporated in their skeletons. Besides their importance as reactive intermediates, many biologically active compounds also contain these three-membered rings. Filling a gap in the literature, this clearly structured book presents the much needed information in a compact and concise way. The renowned editor has succeeded in gathering together excellent authors to cover synthesis, applications, and the biological aspects in equal depth. Divided roughly equally between aziridines and epoxides, the twelve chapters discuss: * Synthesis of aziridines * Nucleophilic ring-opening of aziridines and epoxides * Organic synthesis with aziridine building blocks * Vinyl aziridines in organic synthesis * Diastereoselective aziridination reagents * Synthetic aspects of aziridinomitocene chemistry * Biosynthesis of biologically important aziridines * Organic catalysis of epoxide and aziridine ring formation * Metal-mediated synthesis of epoxides * Asymmetric epoxide ring opening chemistry * Epoxides in complex molecule synthesis * Biological activity of epoxide-containing molecules A high-quality reference manual for academic and industrial chemists alike.
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 994
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Author: Kelong Fan
Publisher: Frontiers Media SA
ISBN: 2889668215
Category : Science
Languages : en
Pages : 151
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