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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.
71

Stereo-controlled intramolecular nitrone-alkene cycloaddition reactions involving carbohydrates substances. / CUHK electronic theses & dissertations collection

January 2006 (has links)
Wong Wai Fun. / "June 2006." / Thesis (Ph.D.)--Chinese University of Hong Kong, 2006. / Includes bibliographical references (p. 226-230). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstracts in English and Chinese.
72

Synthetic studies on zoapatanol.

January 1998 (has links)
by Yip Ting. / Thesis submitted in 1997. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1998. / Includes bibliographical references (leaves 55-59). / Abstract also in Chinese. / Acknowledgment --- p.i / Table of Contents --- p.ii / Abstract --- p.iii / Abbreviation --- p.iv / Chapter Part 1 --- Introduction --- p.1 / Chapter 1.1 --- General Background --- p.1 / Chapter 1.2 --- Review on the Published Syntheses of Zoapatanol --- p.2 / Chapter Part 2 --- Results and Discussion --- p.12 / Chapter 2.1 --- Synthetic Strategy --- p.12 / Chapter 2.1.1 --- Synthesis of Tertiary Alcohol46 --- p.14 / Chapter 2.1.2 --- Synthesis of Vinyl Bromide 55-Z --- p.15 / Chapter 2.1.3 --- Synthetic studies on39 --- p.18 / Chapter 2.1.4 --- Synthetic studies on40 --- p.19 / Chapter 2.2 --- Synthetic Strategy --- p.23 / Chapter 2.2.1 --- Synthesis of 79 - route1 --- p.24 / Chapter 2.2.2 --- Synthesis of 79 - route2 --- p.26 / Chapter 2.2.3 --- Synthesis of 79 - route3 --- p.28 / Chapter 2.2.4 --- Synthetic studies on free radical cyclization of79 --- p.30 / Chapter 2.2.5 --- Synthesis of83 --- p.31 / Chapter 2.2.6 --- Synthetic studies on carbanion cyclization of83 --- p.31 / Chapter Part 3 --- Conclusion --- p.33 / Chapter Part 4 --- Experimental --- p.34 / Chapter Part 5 --- References --- p.55
73

Construction of carbocycles from carbohydrates via 1,3-dipolar cycloadditions.

January 2007 (has links)
Kwok, Wun Sang. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references (leaves 147-152). / Abstracts in English and Chinese. / Acknowledgment --- p.i / Table of Contents --- p.ii / Abstract --- p.iii / Abstract (Chinese Version) --- p.iv / Abbreviation --- p.v / Chapter 1. --- Introduction --- p.1 / Chapter 1.1 --- General Background --- p.1 / Chapter 1.1.1 --- "1,3-Dipolar Cycloaddition" --- p.1 / Chapter 1.1.2 --- Structure of Preparation of Nitrile Oxide --- p.3 / Chapter 1.2 --- Intramolecular Nitrile Oxide Alkene Cyclization (INOC) --- p.7 / Chapter 1.2.1 --- INOC in Organic Synthesis --- p.7 / Chapter 1.2.2 --- Formation of Oximolactone as Unwanted Reaction in INOC --- p.10 / Chapter 1.2.3 --- Nitrile Oxide Alkene Cyclization with Free Hydroxyl Group --- p.11 / Chapter 1.3 --- Natural Occurring Gabosine --- p.14 / Chapter 1.3.1 --- "Structure, Biological Effect and Syntheses of Gabosines" --- p.14 / Chapter 1.3.2 --- Synthesis of Gabosine O and its 4-epimer --- p.17 / Chapter 1.4 --- Protected 6-dehydroxy-Pseudo-a-D-Talose --- p.21 / Chapter 1.4.1 --- Structures and Biological Effects of Valienamine and its Derivatives --- p.21 / Chapter 1.4.2 --- Structural and Biological Studies of Valienamine by Our Group --- p.23 / Chapter 2. --- Results and Discussion --- p.28 / Chapter 2.1 --- Studies on INOC of Sugar Derivatives with Free Hydroxyl Group(s) --- p.28 / Chapter 2.2 --- Enantiospecific Synthesis of 4-epi-Gabosine O --- p.47 / Chapter 2.3 --- Enantiospecific Synthesis of Gabosine O --- p.84 / Chapter 2.4 --- Synthesis of 6-Deoxy-Pseudo-a-D-Talose --- p.87 / Chapter 3. --- Conclusion --- p.95 / Chapter 4. --- Experimental --- p.100 / References --- p.147 / Appendix NMR spectra --- p.153
74

Synthesis and applications of copper hydride complexes in reductive reactions

Fung, Chi-ming, Kelvin, January 2005 (has links)
Thesis (Ph. D.)--University of Hong Kong, 2006. / Title proper from title frame. Also available in printed format.
75

An asymmetric carbene cyclization cycloaddition strategy toward the synthesis of indicol

Lam, Sze-kui. January 2005 (has links)
Thesis (Ph. D.)--University of Hong Kong, 2006. / Title proper from title frame. Also available in printed format.
76

Explorations on transition metal-catalyzed enantioselective cyclization reactions and applications of thiourea ligands

Yang, Min, January 2005 (has links)
Thesis (Ph. D.)--University of Hong Kong, 2006. / Title proper from title frame. Also available in printed format.
77

Cycloaddition reactions of organic molecules on GE(100)

Lee, Sang Won, January 2001 (has links)
Thesis (Ph. D.)--University of Missouri-Columbia, 2001. / Typescript. Vita. Includes bibliographical references (leaves 102-105). Also available on the Internet.
78

Studies toward the synthesis of the kempane diterpene ring system, and some cascade radical cyclizations /

Bao, Guanglin, January 2000 (has links)
Thesis (Ph.D.)--Memorial University of Newfoundland, 2001. / Includes bibliographical references.
79

Expansion of the scope of the allenic Pauson-Khand reaction to include carboxylic acids and esters

Fisher, Kimberly D. January 1900 (has links)
Thesis (M.S.)--West Virginia University, 2002. / Title from document title page. Document formatted into pages; contains xvi, 49, 85 p. : ill. Includes abstract. Includes bibliographical references (p. 45-49).
80

Chirality transfer in the allenic [2+2+1] cycloaddition reaction An approach towards the synthesis of antitumor agent, (±)-suberosenone, using an allenic [2+2+1] cycloaddition reaction /

Kerekes, Angela D. January 2001 (has links)
Thesis (Ph. D.)--West Virginia University, 2001. / Title from document title page. Document formatted into pages; contains xi, 120 p. : ill. Includes abstract. Includes bibliographical references (p. 115-120).

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