• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 174
  • 30
  • 29
  • 24
  • 8
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 2
  • 2
  • Tagged with
  • 309
  • 77
  • 41
  • 34
  • 23
  • 19
  • 19
  • 18
  • 17
  • 17
  • 17
  • 16
  • 16
  • 13
  • 13
  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Relative nucleophilicities of anions in acetonitrile whose counterion, potassium, is complexed by 18-crown-6

Grisdale, Ernest Edward 08 1900 (has links)
No description available.
2

Migration and cyclisation reactions of selected organic anions / John Michael Hevko.

Hevko, John Michael January 1998 (has links)
Includes 5 leaves of errata. / Includes reprints of author's previously published articles. / Bibliography: leaves 228-245. / xxi, 246 leaves : ill. ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Thesis (Ph.D.)--University of Adelaide, Dept. of Chemistry, 1999?
3

Migration and cyclisation reactions of selected organic anions / John Michael Hevko.

Hevko, John Michael January 1998 (has links)
Includes 5 leaves of errata. / Includes reprints of author's previously published articles. / Bibliography: leaves 228-245. / xxi, 246 leaves : ill. ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Thesis (Ph.D.)--University of Adelaide, Dept. of Chemistry, 1999?
4

Migration and cyclisation reactions of selected organic anions /

Hevko, John Michael. January 1998 (has links) (PDF)
Thesis (Ph. D.)--University of Adelaide, Dept. of Chemistry, 1999? / Includes 5 leaves of errata. Includes reprints of author's previously published articles. Includes bibliographical references (leaves 228-245).
5

Some mass spectrometric studies of negative ions in the gas phase.

Stapleton, Barbara Jane. January 1976 (has links) (PDF)
Thesis (Ph.D.) -- University of Adelaide, Dept. of Organic Chemistry, 1978.
6

Nonatetraenyl anion and homocyclooctatetraene dianion

Mayall, Bruce Ian, 1939- January 1975 (has links)
No description available.
7

Understanding steel corrosion in oilfield brines

Garsany, Yannick January 2002 (has links)
No description available.
8

Cyclopropyl anion as an allyl anion synthon.

January 1990 (has links)
by Dennis K.P. Ng. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1990. / Bibliography: leaves 74-79. / ACKNOWLEDGEMENTS --- p.i / CONTENTS --- p.ii / LIST OF FIGURES --- p.iii / LIST OF TABLES --- p.iv / ABSTRACT --- p.v / Chapter 1. --- INTRODUCTION --- p.1 / Chapter 2. --- RESULTS AND DISCUSSION / Chapter 2.1. --- Preparation of Dithioacetals --- p.20 / Chapter 2.2. --- Coupling Reaction of Cyclopropylmagnesium Bromide with Benzylic Dithioacetals --- p.20 / Chapter 2.3. --- "Coupling Reaction of Cyclopropylmagnesium Bromide with 2-Aryl-2-trimethylsilyl- 1,3-dithianes" --- p.29 / Chapter 2.4. --- Coupling Reaction of Substituted Cyclopropylmagnesium Bromides with Benzylic Dithioacetals --- p.36 / Chapter 2.5. --- Coupling Reaction of Cyclobutyl- and Cyclopentyl-magnesium Bromides with Benzylic Dithioacetals --- p.45 / Chapter 2.6. --- Conclusion --- p.48 / Chapter 3. --- EXPERIMENTAL SECTION / Chapter 3.1. --- General Directions --- p.49 / Chapter 3.2. --- Preparation of Dithioacetals --- p.50 / Chapter 3-3. --- Preparation of Substituted Cyclopropyl Bromides --- p.56 / Chapter 3.4. --- "Coupling Reaction of Cyclopropyl-, Cyclobutyl- and Cyclopentyl-magnesium Bromides with Benzylic Dithioacetals" --- p.60 / Chapter 3.5. --- "Coupling Reaction of Cyclopropylmagnesium Bromide with 2-Aryl-2-trimethylsilyl- 1,3-dithianes" --- p.65 / Chapter 3.6. --- Coupling Reaction of Substituted Cyclopropylmagnesium Bromides with Benzylic Dithioacetals --- p.67 / Chapter 3.7. --- Miscellaneous Syntheses --- p.71 / Chapter 4. --- REFERENCES AND NOTES --- p.74 / Chapter 5. --- APPENDIX --- p.80
9

Synthesis, structural characterization and electrochemistry of 13-vertex carboranes and their radical anions.

January 2008 (has links)
Fu, Xiaodu. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2008. / Includes bibliographical references (leaves 93-102). / Abstracts in English and Chinese. / Acknowledgement --- p.I / Abstract (in English) --- p.II / Abstract (in Chinese) --- p.III / Abbreviation --- p.IV / List of Compounds --- p.V / List of Figures --- p.VII / Contents --- p.X / Chapter Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Carboranes --- p.1 / Chapter 1.2 --- "C,C'-Linked 12-Vertex Carborane Anions" --- p.10 / Chapter 1.3 --- 13-Vertex closo-Carboranes --- p.13 / Chapter 1.4 --- 13-Vertex nido-Carborane Salts and 14-Vertex closo-Carboranes --- p.16 / Chapter 1.5 --- Carborane Radical Anions --- p.19 / Chapter 1.6 --- Our Objectives --- p.23 / Chapter Chapter 2 --- 13-Vertex Carboranes --- p.24 / Chapter 2.1 --- Synthesis and Characterization of 13-Vertex closo-Carboranes --- p.24 / Chapter 2.2 --- Molecular Structures of II-4 and II-6 --- p.30 / Chapter 2.3 --- Attempts to prepare 13-vertex carboranes with propenyl bridges --- p.33 / Chapter 2.4 --- Summary --- p.35 / Chapter Chapter 3 --- 13-Vertex Carborane Radical Anions --- p.36 / Chapter 3.1 --- Synthesis --- p.36 / Chapter 3.2 --- Structures --- p.41 / Chapter 3.3 --- Synthesis and Structure of a monoanionic salt --- p.46 / Chapter 3.4 --- Summary --- p.50 / Chapter Chapter 4 --- Electrochemical Study of 12- and 13-Vertex closo-Carboranes --- p.51 / Chapter 4.1 --- Electrochemical Study of 12-Vertex Carboranes --- p.51 / Chapter 4.2 --- Electrochemical Study of 13-Vertex Supercarboranes --- p.61 / Chapter 4.3 --- Summary --- p.74 / Chapter Chapter 5 --- Conclusion --- p.75 / Chapter Chapter 6 --- Experimental Section --- p.77 / References --- p.93 / Appendix / Chapter I. --- Publication Based on the Research Findings --- p.103 / Chapter II. --- Crystal Data and Summary of Data Collection and Refinement --- p.104 / Chapter III. --- X-ray crystallographic data in CIF (electronic form)
10

Studies of polyaza pyrrole-containing systems and linear and macrocyclic polypyrrolic architectures

Pantoș, Gheorghe Dan 28 August 2008 (has links)
Not available / text

Page generated in 0.039 seconds