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  • 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.
21

Synthesis of 1,4,5,16-tetrahydroxytetraphenylene.

January 2003 (has links)
Hui Chi Wai. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2003. / Includes bibliographical references (leaves 81-84). / Abstracts in English and Chinese. / Chapter I. --- Abstract --- p.ii / Chapter II. --- Acknowledgements --- p.iv / Chapter III. --- Table of contents --- p.v / Chapter IV. --- Introduction --- p.1 / Chapter A. --- Synthesis of tetraphenylene --- p.1 / Chapter B. --- Structural characteristics of tetraphenylene --- p.3 / Chapter C. --- Inclusion properties of tetraphenylene --- p.5 / Chapter D. --- Synthesis of substituted tetraphenylenes --- p.7 / Chapter 1. --- Electrophilic aromatic substitution approach --- p.7 / Chapter 2. --- Substituted biphenyl approach --- p.8 / Chapter 3. --- Substituted biphenylene approach --- p.10 / Chapter 4. --- Bis acetylene approach --- p.10 / Chapter E. --- "Synthesis of dibenzo[α ,e]cyclooctene (42) and its derivatives" --- p.14 / Chapter F. --- "Synthesis of 5,6,11,12-tetradehydrodibenzo[α ,e]cyclooctene (8) and its derivatives" --- p.16 / Chapter G. --- The aim of the present research --- p.21 / Chapter V. --- Results and discussion --- p.26 / Chapter A. --- Synthetic strategy --- p.26 / Chapter B. --- "Preparation of 1,10-dimethoxydibenzo[α ,e]cyclooctene (79)" --- p.28 / Chapter C. --- "Preparation of l,12-dimethoxytribenzo[α, c,e]cyclooctene (96)" --- p.33 / Chapter D. --- "Preparation of 1,4,5,16-tetrahydroxytetraphenylene (72) and its derivatives" --- p.44 / Chapter VI. --- Conclusion --- p.57 / Chapter VII. --- Experimental section --- p.58 / Chapter VIII. --- References --- p.81 / Chapter IX. --- Appendix --- p.85 / Chapter A. --- List of NMR Spectra --- p.86 / Chapter B. --- List of X-ray crystallographic data --- p.104
22

New benzyne precursors : the chemistry of benzobisoxadisilole and benzotrisoxadisilole

Chen, Yali 01 January 2006 (has links)
No description available.
23

Cycloaromatization reactions of enamines

Kang, Guo-jun. January 1983 (has links)
No description available.
24

Synthesis of novel heteroaromatic compounds structurally related to natural products via biradical cycloaromazations of enyne-carbodiimides, enyne-ketenimines, and enallene-isonitriles

Lu, Xiaoling, January 1900 (has links)
Thesis (Ph. D.)--West Virginia University, 2003. / Title from document title page. Document formatted into pages; contains ix, 404 p. : ill. Includes abstract. Includes bibliographical references (p. 397-404).
25

The SN2 mechanism in aromatic nucleophilic substitution /

Wong, Ka-wing. January 1963 (has links)
Thesis (M. Sc.)--University of Hong Kong, 1964. / Typewritten.
26

Neutral and heavy nucleophiles in aromatic nucleophilic substitutions.

Yeung, Hin-wing. January 1967 (has links)
Thesis (M. Sc.)--University of Hong Kong, 1968. / Typewritten.
27

Catalysis of the benzilic acid rearrangement by alkali amides

Fenn, Clarence Junius, 1932- January 1956 (has links)
No description available.
28

Hydroxylation of aromatic compounds by a synthetic analog of an enzyme system

Michelson, Malvin Jay, 1933- January 1957 (has links)
No description available.
29

Identification of high molecular weight polycyclic aromatic hydrocarbons by chromatography and mass spectrometry

Lopez Sanchez, Susana 12 1900 (has links)
No description available.
30

Mechanism of nonactivated aromatic nucleophilic substitution

Pinholster, Daniel Farmer 08 1900 (has links)
No description available.

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