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1994, Vol. 66, Issue 10-11

19th International Symposium on the Chemistry of Natural Products, Karachi, Pakistan, 16–20 January 1994

This conference is part of the Natural Products series.
Preface
Atta-ur-Rahman
p. viii [Details] [Full text - pdf 1060 kB]
Special Lectures
The invention of chemical reactions of relevance to the chemistry of natural products
D. H. R. Barton
p. 1943 [Details] [Full text - pdf 714 kB]
The study of intramolecular dynamics by nuclear magnetic resonance
R. R. Ernst
p. 1955 [Details] [Full text - pdf 402 kB]
Perspectives in supramolecular chemistry: From molecular recognition towards self-organisation
J.-M. Lehn
p. 1961 [Details] [Full text - pdf 245 kB]
Plenary Lectures
Recent discoveries in the chemistry of natural products
Atta-ur-Rahman and M. I. Choudhary
p. 1967 [Details] [Full text - pdf 553 kB]
Functional roles of natural products: The involvement of extended arrays of weak interactions in cooperative binding phenomena
D. H. Williams, M. S. Searle, Patrick Groves, J. P. Mackay, M. S. Westwell, D. A. Beauregard and M. F. Cristofaro
p. 1975 [Details] [Full text - pdf 438 kB]
The chemistry of some sponges and their symbionts
D. J. Faulkner, M. D. Unson and C. A. Bewley
p. 1983 [Details] [Full text - pdf 577 kB]
Synthetic and stereochemical aspects of pheromone chemistry
K. Mori
p. 1991 [Details] [Full text - pdf 421 kB]
Unnatural prostaglandins of biochemical and physiological significance
R. Noyori, H. Koyano, M. Mori, R. Hirata, Y. Shiga, T. Kokura and M. Suzuki
p. 1999 [Details] [Full text - pdf 450 kB]
Enhanced synthetic efficiency towards natural products via transition metal catalyzed reactions
B. M. Trost
p. 2007 [Details] [Full text - pdf 427 kB]
Design and development of synthetic peptide antigens
W. Voelter, S. Stoeva, T. Kaiser, G. Grubler, M. Mihelic, H. Echner, A. A. Haritos, H. Seeger and T. H. Lippert
p. 2015 [Details] [Full text - pdf 544 kB]
The formation of benzophenanthridine alkaloids
M. H. Zenk
p. 2023 [Details] [Full text - pdf 471 kB]
Section A: Synthetic Approaches to Natural Products
Higher-order cycloaddition reactions in natural product synthesis
H. S. Ateeq
p. 2029 [Details] [Full text - pdf 244 kB]
Natural products by enantioselective catalysis with transition metal compounds
H. Brunner
p. 2033 [Details] [Full text - pdf 216 kB]
Asymmetric syntheses and lanthanide-induced CD studies of (24R and 24S) 5β-cholestane-3α,7α,12α,24,25-pentols
B. Dayal, K. Rao, G. Salen, W. M. Seong, B. N. Pramanik, E. C. Huang and V. Toome
p. 2037 [Details] [Full text - pdf 226 kB]
The tandem cycloaddition chemistry of nitroalkenes
S. E. Denmark, M. E. Schnute, A. Thorarensen, D. S. Middleton and A. Stolle
p. 2041 [Details] [Full text - pdf 252 kB]
Biosynthetic studies on taxol
P. E. Fleming, H. G. Floss, M. Haertel, A. R. Knaggs, A. Lansing, U. Mocek and K. D. Walker
p. 2045 [Details] [Full text - pdf 200 kB]
Stereocontrol using silicon: A synthesis of methyl (+)-nonactate
Mohammed Ahmar, Catherine Duyck and I. Fleming
p. 2049 [Details] [Full text - pdf 252 kB]
Recent developments in the synthesis of drimane and lactarane sesquiterpenes
Ae. de Groot, B. J. M. Jansen, A. A. Versteaen-Haaksma, H. J. Swarts, R. V. A. Orru, G. A. Stork and J. B. P. A. Wijnberg
p. 2053 [Details] [Full text - pdf 270 kB]
Synthesis and CD spectral studies of some fused cholestenopyrimidines
Mashooda Hasan, N. Rashid, W. Voelter, G. Snatzke and H. Duddeck
p. 2057 [Details] [Full text - pdf 208 kB]
Synthesis of macrocyclic lactam/lactone derivatives having antimicrobial activity
Paul Helquist, Mikael Bergdahl, Robert Hett, A. R. Gangloff, Marc Demillequand, Muriel Cottard, M. M. Mader, Timothy Friebe, J. Iqbal, Y. Wu, Björn Akermark, T. Rein and Nina Kann
p. 2063 [Details] [Full text - pdf 275 kB]
Enantioselective synthesis of alkaloids and carbohydrates via chemoenzymatic methods
T. Hudlicky
p. 2067 [Details] [Full text - pdf 182 kB]
Application of the aza-Claisen rearrangement to the total synthesis of natural products: (-)-Isoiridomyrmecin
S. Itô and T. Tsunoda
p. 2071 [Details] [Full text - pdf 241 kB]
Concise enantiospecific syntheses of α-hydroxy-β-amino acids and indolizidines of natural origin
C. W. Jefford, Z.-H. Lu and J. B. Wang
p. 2075 [Details] [Full text - pdf 236 kB]
A new synthetic approach to dendrobatid alkaloids
Chihiro Kibayashi
p. 2079 [Details] [Full text - pdf 211 kB]
Synthetic studies on phenazine antibiotics and antheridic acid
T. Kitahara, Y. Kinoshita, S. Aono, M. Miyake, T. Hasegawa, H. Watanabe and K. Mori
p. 2083 [Details] [Full text - pdf 256 kB]
A palladium catalyzed route to a benzofuran analogue of idolactam V (ILV): Effects on PKC isotype selectivity
A. P. Kozikowski, D. Ma, Linh Du, N. E. Lewin and P. M. Blumberg
p. 2087 [Details] [Full text - pdf 259 kB]
The structure and reactivity of C60
H. W. Kroto, R. Taylor and D. R. M. Walton
p. 2091 [Details] [Full text - pdf 203 kB]
Total syntheses of strychnos alkaloids
M. E. Kuehne, C. S. Brook, F. Xu and R. Parsons
p. 2095 [Details] [Full text - pdf 134 kB]
Synthesis and chemistry of the insect antifeedant azadirachtin
S. V. Ley
p. 2099 [Details] [Full text - pdf 183 kB]
Di-2-ethylhexyl phthalate: A medical concern and a possible marker for chronic fatigue syndrome
Sohail Malik, M. A. Kenny and D. S. Buchwald
p. 2103 [Details] [Full text - pdf 216 kB]
Synthesis of heterocyclic natural products: Model studies towards diazonamide A
C. J. Moody, K. J. Doyle, M. C. Elliott and T. J. Mowlem
p. 2107 [Details] [Full text - pdf 222 kB]
Synthesis, conformational and biological properties of lipophilic derivatives of gastrin and cholecystokinin peptides
L. Moroder and R. Romano
p. 2111 [Details] [Full text - pdf 237 kB]
Stereospecific addition of thiophenol to electron-deficient double bond and its application to natural product synthesis
O. Miyata, T. Naito and I. Ninomiya
p. 2115 [Details] [Full text - pdf 167 kB]
Enantiocontrolled route to natural products using chiral equivalents of cyclopentenone and cyclohexenone
K. Ogasawara
p. 2119 [Details] [Full text - pdf 176 kB]
Experiments directed towards synthesis of complex glycosphinogolipids: Ganglioganglioside GQ1b1
S. Nunomura, Yuji Matsuzaki, Y. Ito and T. Ogawa
p. 2123 [Details] [Full text - pdf 208 kB]
Diastereo- and enantioselective akaloid syntheses
W. Oppolzer
p. 2127 [Details] [Full text - pdf 214 kB]
Studies on the total synthesis of manzamine A
U. K. Pandit, B. C. Borer, H. Bieräugel and Sirik Deerenberg
p. 2131 [Details] [Full text - pdf 225 kB]
Novel methods for the synthesis of C-aryl glycoside natural products
K. A. Parker
p. 2135 [Details] [Full text - pdf 180 kB]
Biomimetic chemical transformation from simple indole alkaloids to Gelsemium alkaloids
S.-I. Sakai and H. Takayama
p. 2139 [Details] [Full text - pdf 218 kB]
Atropisomer-selective 1,1'-binaphthyl synthesis via chirality transfer from sulfur
R. W. Baker and M. V. Sargent
p. 2143 [Details] [Full text - pdf 417 kB]
Use of the aryl groups as the carboxyl synthon. Application to the synthesis of some natural products containing hydroxyamino acid functions
T. Shiori, Fumiyoshi Matsuura and Yasumasa Hamada
p. 2151 [Details] [Full text - pdf 234 kB]
Combined directed ortho metalation-cross coupling strategies. Design for natural product synthesis
V. Snieckus
p. 2155 [Details] [Full text - pdf 237 kB]
Asymmetric synthesis of natural products monitored by chiral sulfoxides
G. Solladie, Antonio Almario and Carmen Dominguez
p. 2159 [Details] [Full text - pdf 208 kB]
N-acyliminium ion cyclisations in natural product chemistry: Synthesis of gelsemine
W. N. Speckamp, N. J. Newcombe, Henk Hiemstra, Fang Ya, R. J. Vijn and W.-J. Koot
p. 2163 [Details] [Full text - pdf 223 kB]
Application of α-chloroglycine residues for the modification of oligopeptides
W. Steglich, Martin Jager, Stefan Jaroch and Peter Zistler
p. 2167 [Details] [Full text - pdf 161 kB]
Enzymatic synthesis of analogs of bacterial lipid A and design of biologically active LPS-antagonists and -mimetics
M. Bulusu, J. Hildebrandt, C. Lam, E. Liehl, H. Loibner, I. Macher, D. Scholz, E. Schutze, P. Stutz, H. Vyplel and F. Unger
p. 2171 [Details] [Full text - pdf 244 kB]
Total synthesis of aryl C-glycoside antibiotics
K. Suzuki
p. 2175 [Details] [Full text - pdf 264 kB]
Azabicyclo[3.2.1]octene derivatives obtained by rearrangement reactions in course of the catharanthine synthesis
Hedvig Bolcskei, Eszter Gacs-Baitz and C. Szántay
p. 2179 [Details] [Full text - pdf 193 kB]
The chemistry of khat. An approach to the synthesis of euonyminol
J. D. White
p. 2183 [Details] [Full text - pdf 293 kB]
Synthesis of C-glycosyl compounds and other natural products from levoglucosenone
Z. J. Witczak
p. 2189 [Details] [Full text - pdf 251 kB]
Section B: Bioactive Natural Products
Highlights in phytochemistry of hepaticae-biologically active terpenoids and aromatic compounds
Y. Asakawa
p. 2193 [Details] [Full text - pdf 202 kB]
Second generation leukotriene biosynthesis inhibitors
A. Basha, D. W. Brooks, A. O. Stewart, R. L. Bell and G. W. Carter
p. 2197 [Details] [Full text - pdf 207 kB]
Discovery of potential antidepressant agents: Novel 3-arylpyrrolidines with dual mechanism of action on neurotransmission
F. Z. Basha and J. F. DeBernardis
p. 2201 [Details] [Full text - pdf 213 kB]
Chemistry in a salad bowl: Comparative organosulfur chemistry of garlic, onion and shiitake mushrooms
E. Block and Russell Deorazio
p. 2205 [Details] [Full text - pdf 174 kB]
The biosynthesis of pyoverdins
H. Budzikiewicz
p. 2207 [Details] [Full text - pdf 290 kB]
Biorational design of herbicides: Synthesis of inhibitors of the PFP enzyme
M. S. Chorghade and Csaba Cseke
p. 2211 [Details] [Full text - pdf 193 kB]
Enzyme-mediated regioselective acylation of polyhydroxylated natural products
Bruno Danieli and S. Riva
p. 2215 [Details] [Full text - pdf 246 kB]
Mechanism-based isolation and structures of some anticancer active natural products
A. A. L. Gunatilaka, D. G. I. Kingston and R. K. Johnson
p. 2219 [Details] [Full text - pdf 314 kB]
Bioactive metabolites from marine invertebrates
Michèle Guyot
p. 2223 [Details] [Full text - pdf 243 kB]
Bioactive compounds from marine sponges
Tatsuo Higa, J.-I. Tanaka, Atsushi Kitamura, Tomoyuki Koyama, M. Takahashia and T. Uchida
p. 2227 [Details] [Full text - pdf 236 kB]
Search for new antifungal compounds from higher plants
K. Hostettmann and A. Marston
p. 2231 [Details] [Full text - pdf 266 kB]
Structural studies on glycoprotein glycans
J. P. Kamerling
p. 2235 [Details] [Full text - pdf 306 kB]
Biomimetic synthesis of nazlinin and nitrarine
M. J. Wanner and G. J. Koomen
p. 2239 [Details] [Full text - pdf 224 kB]
Biotechnology and synthetic chemistry: Routes to clinically important natural products
J. P. Kutney
p. 2243 [Details] [Full text - pdf 235 kB]
Structural and synthetic studies of pithomycolide
P. W. Le Quesne, M. Moussa and D. A. Forsyth
p. 2249 [Details] [Full text - pdf 241 kB]
Synthesis and cytotoxicity of natural (+)-duocarmycin A and its three possible stereoisomers
K. Nakatani, Yasumichi Fukuda and S. Terashima
p. 2255 [Details] [Full text - pdf 299 kB]
Role of cell surface carbohydrates in malaria
Nasir-ud-Din, M. A. Qazi, G. Senaldi, A. H. Khan, K. Mahmood, Z. Mahmood, M. H. Qazi, D. C. Hoessli and E. Walker-Nasir
p. 2259 [Details] [Full text - pdf 269 kB]
Bioactive phenolic compounds in traditional medicines
S. Nishibe
p. 2263 [Details] [Full text - pdf 274 kB]
Microbial metabolites affecting lipid biosynthesis
S. Õmura and H. Tomoda
p. 2267 [Details] [Full text - pdf 265 kB]
Marine animal and terrestrial plant anticancer constituents
G. R. Pettit
p. 2271 [Details] [Full text - pdf 809 kB]
Recent studies on cytotoxic, anti-HIV and antimalarial agents from plants
G. A. Cordell, C. K. Angerhofer and J. M. Pezzuto
p. 2283 [Details] [Full text - pdf 323 kB]
Bioactive components from Ficus glomerata
N. N. Rahman, M. Khan and R. Hasan
p. 2287 [Details] [Full text - pdf 283 kB]
Alkaloids from plants of Madagascar in the treatment of drug-resistant Plasmodium malaria
P. Rasoanaivo and S. Ratsimamanga-Urverg
p. 2291 [Details] [Full text - pdf 289 kB]
Recent results in the search for bioactive compounds from Turkish medicinal plants
B. Sener
p. 2295 [Details] [Full text - pdf 233 kB]
Secondary phytotoxic metabolites from pathogenic fungi: Structure, synthesis and activity
R. Tabacchi
p. 2299 [Details] [Full text - pdf 246 kB]
Biosynthesis of the pigments of life. The mystery of the cyclisation and ring D-inversion in the formation of uroporphyrinogen III
L. E. Tietze, H. Geissler and G. Schulz
p. 2303 [Details] [Full text - pdf 210 kB]
Plant cell biotechnology for the production of secondary metabolites
R. Verpoorte, R. van der Heijden, J. H. C. Hoge and H. J. G. ten Hoopen
p. 2307 [Details] [Full text - pdf 301 kB]
Section C: Structural Studies on Natural Products
New natural products from terrestrial medicinal plants and marine algae
V. U. Ahmad, W. U. Ahmad, R. Aliya, F. T. Baqai, Ghazala, S. Iqbal, R. Khatoon, F. V. Mohammad, M. Noorwala, S. Perveen, A. Pervez, N. Saba, M. G. Shah and S. Siddiqui
p. 2311 [Details] [Full text - pdf 214 kB]
The chemistry of fumonisins and related compounds. Fumonisins from Fusarium moniliforme: Chemistry, structure and biosynthesis
J. W. ApSimon, B. A. Blackwell, O. E. Edwards, A. Fruchier, J. D. Miller, M. Savard and J. C. Young
p. 2315 [Details] [Full text - pdf 226 kB]
Synthesis of new antitumour anthracyclines: Derivatives bearing a fluorine substitution at position 8 or 10
A. Guidi, F. Canfarini, A. Giolitti, F. Pasqui, V. Pestellini and F. Arcamone
p. 2319 [Details] [Full text - pdf 204 kB]
Gas phase infrared spectroscopy in characterization of unsaturated natural products
A. B. Attygalle
p. 2323 [Details] [Full text - pdf 230 kB]
Aframodial and other bioactive diterpenoids from Aframomum species
J. F. Ayafor, M. H. K. Tchuendem, B. Nyasse, F. Tillequin and H. Anke
p. 2327 [Details] [Full text - pdf 269 kB]
Total synthesis of yuehchukene
J. Bergman and L. Venemalm
p. 2331 [Details] [Full text - pdf 153 kB]
Recent developments in iridoids chemistry
A. Bianco
p. 2335 [Details] [Full text - pdf 216 kB]
Some recent isolation studies from potential insecticidal Piper species
P. M. Boll, V. S. Parmar, O. D. Tyagi, A. Prasad, J. Wengel and C. E. Olsen
p. 2339 [Details] [Full text - pdf 177 kB]
Antifertility principles from Marsdenia tinctoria: Pharmacological and phytochemical studies
A. K. A. Chowdhury, M. F. Hashim, B. C. Sen, O. F. Khan and Muniruddin Ahmed
p. 2343 [Details] [Full text - pdf 211 kB]
Biologically active constituents of tropical and subtropical plants
W. Kraus, M. Koll-Weber, R. Maile, T. Wunder and B. Vogler
p. 2347 [Details] [Full text - pdf 304 kB]
Bioactive natural products from Thai plants
C. Mahidol, P. Sahakitpichan and S. Ruchirawat
p. 2353 [Details] [Full text - pdf 252 kB]
Molecular rearrangements in derivatives of grandiflorenic acid [(-)-kaur-9(11),16-dien-19-oic acid]
T. Nakano, M. A. Maillo, A. C. Spinelli, Alfonso Martin and A. Usubillaga
p. 2357 [Details] [Full text - pdf 229 kB]
Molecular rearrangements in longipinane derivatives
Pedro Joseph-Nathan and C. M. Cerda-Garcia-Rojas
p. 2361 [Details] [Full text - pdf 192 kB]
Erythromycin: New chemistry on an old compound
R. J. Pariza and L. A. Freiberg
p. 2365 [Details] [Full text - pdf 173 kB]
C45- and C50-carotenoids
H. Pfander
p. 2369 [Details] [Full text - pdf 311 kB]
Constituents of some Asian medicinal plants
W. C. Taylor
p. 2375 [Details] [Full text - pdf 226 kB]
Cytotoxic lignans from Haplophyllum species
A. Ulubelen, R. R. Gil, G. A. Cordell, A. H. MeriCli and F. MeriCli
p. 2379 [Details] [Full text - pdf 148 kB]
Structure elucidation of xanthone derivatives with CD4-binding activity from Penicillium glabrum (Wehmer) Westling
S. K. Wrigley, M. A. Latif, T. M. Gibson, M. I. Chicarelli-Robinson and D. H. Williams
p. 2383 [Details] [Full text - pdf 322 kB]
Section D: Bioorganic Chemistry
A transition from ionic to free-radical mechanisms in chemistry and enzymology
M. Akhtar, J. N. Wright, A. Z. Shyadehi and P. Robichaud
p. 2387 [Details] [Full text - pdf 289 kB]
Chemistry of the cytotoxic principles of the ma rine fungus Lignincola laevis
S. P. Abraham, T. D. Hoang, M. Alam and E. B. G. Jones
p. 2391 [Details] [Full text - pdf 272 kB]
Anthraquinones and chemotaxonomy of the asphodelaceae
E. Dagne and Abiy Yenesew
p. 2395 [Details] [Full text - pdf 202 kB]
Multiple ionizations in proteins: Arsenical analogues of natural phosphates
H. B. F. Dixon
p. 2399 [Details] [Full text - pdf 276 kB]
Anticoagulant activities of β-1,3-glucansulfates in dependence on their molecular weight
S. Alban and G. Franz
p. 2403 [Details] [Full text - pdf 367 kB]
Structure-activity relations of teratogenic natural products
William Garfield and R. F. Keeler
p. 2407 [Details] [Full text - pdf 278 kB]
Biosynthesis of lactacystin, a novel microbial metabolite which induces differentiation of Neuro 2a cells, a mouse neuroblastoma cell line
A. Nakagawa, Masatsune Kainosho and S. Õmura
p. 2411 [Details] [Full text - pdf 196 kB]
Formation of reactive intermediates by cytochrome P-450 mediated oxidation of the anticancer drug mitoxantrone
K.-P. Zeller, K. Mewes, G. Ehninger and J. Blanz
p. 2415 [Details] [Full text - pdf 220 kB]