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Creator:: Stappenbeck, Frank
Resource Type:: Dissertation
Full Text:: system of 30 have been reported by the Hart, Johnson and Speckamp groups.16 Progress toward a very

Creator:: Collett, Nathan D.
Abstract:: Lycopodium alkaloids have generated enormous amounts of interest from the scientific community, both as synthetic targets and for their medicinal properties. Herein is described work towards a unifying approach to large segments of the Lycopodium family. An organocatalyzed intramolecular heteroatom Michael reaction method, for the construction of piperidine and piperizine...
Resource Type:: Dissertation
Full Text:: on lycopodium alkaloids: (a) Ma, X.; Gang, D. R. Nat. Prod. Rep., 2004, 21, 752-772. (b) Ayer, W. A

Creator:: Tonsiengsom, Sorasaree
Abstract:: Studies toward the total syntheses of highly potent cytotoxic alkaloids including the bromopyrrole alkaloids and indole alkaloids were conducted and are described. Studies carried out in the course of this dissertation consist of five total syntheses of natural products that include bromopyrrole alkaloids nagelamide A, D and agelastatin D as...
Resource Type:: Dissertation
Full Text:: .; Koehn, F. J. Org. Chem. 1988, 53, 3116. 22. Ichiba, T.; Yoshida, W. Y.; Scheuer, P. J.; Higa, T

Creator:: Yager, Kraig M.
Resource Type:: Dissertation
Full Text:: , particularly John Amedio, Alan Johnson, Motoji Kawasaki, Steve Toske, Scott Jeffrey, Mark Jensen, Frank

Creator:: Barrios Sosa, Ana Carolina
Abstract:: PART I. A deuterium exchange analysis of 2,5-dihydroxyacetanilide (5) in the absence and presence of DHAE II was performed to test the nucleophilicity of the substrate in the absence and presence of catalyst. In addition, inhibition studies using 1,4-dihydroxybenzene were performed to determine the role that the N-acetyl side chain...
Resource Type:: Dissertation

Creator:: Saha, Mrinmoy
Abstract:: Lycopodium alkaloids have shown widespread and noteworthy biological activity, consisting of over 250 known natural products. Moreover, their structural complexity and diversity have attracted considerable attention from numerous laboratories including our own. Recently, we have developed a unified approach that would provides access to numerous, previously unprepared C₁₀-functionalized lycopodium alkaloids....
Resource Type:: Dissertation
Full Text:: 1985, 26, 241-296. (c) Ayer, W. A. Nat. Prod. Rep., 1991, 8, 455-463. (d) Ayer, W. A.; Trfonov, L. S

Creator:: Korf, Eric A.
Abstract:: Three approaches toward the core of halichlorine and pinnaic acid are described. The first approach entails a racemic transannular nitrone-olefin [3+2] cycloaddition from nitrone 238. Construction of the nitrone 238 began with aldehyde 241. Another key feature in this route involved a ring-closing metathesis for the formation of a 14-membered...
Resource Type:: Dissertation

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