Volume 31; Issue 5

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Tetrahedron Letters
Volume 31; Issue 5

Tetrahedron Letters

Volume 31; Issue 5

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 750 KB

english, 1990

2

The first enantioselective syntheses of pure R- and S-isoproterenol

E.J Corey, John O Link

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 217 KB

english, 1990

3

The Effect of propargyl oxygen substituents in the carbene-chromium/alkyne cycloaddition

M.F. Semmelhack, Nakcheol Jeong, Gary R. Lee

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 149 KB

english, 1990

4

A new system for catalytic enantioselective reduction of achiral ketones to chiral alcohols. Synthesis of chiral α-hydroxy acids

E.J Corey, Raman K Bakshi

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 277 KB

english, 1990

5

First direct fluorination of tyrosine-containing biologically active peptides

D. Hebel, K.L. Kirk, L.A. Cohen, V.M. Labroo

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 253 KB

english, 1990

6

Diastereoselective organocuprate addition to homochiral ketals of 3-acetylcyclopent-2-en-1-one

Michael E. Jung, Willard Lew

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 251 KB

english, 1990

7

Intramolecular addition of alkyllithiums to acetylenes: Regiospecific 4-, 5-, and 6-exo-dig cyclizations

William F. Bailey, Timo V. Ovaska

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 243 KB

english, 1990

8

Additional flexibility solves the leaving group problem in cyclodextrin acylation

Ronald Breslow, Shin Chung

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 223 KB

english, 1990

9

Total Synthesis of (13Z)-Spata-13(15),17-diene, and the Formal Synthesis of Spatol

William G. Dauben, Bruce A. Kowalczyk

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 178 KB

english, 1990

10

On the structure of the dioncophyllaceae alkaloids dioncophylline a (“triphyophylline”) and “O-Methyl-Triphyophylline”

Gerhard Bringmann, Martin Rübenacker, Johannes R. Jansen, Dieter Scheutzow, Laurent Aké Assi

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 323 KB

english, 1990

11

Ein neuer weg in die heteroyohimbanreihe

Peter Rosenmund, M. Hosseini-Merescht

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 119 KB

1990

12

Reduction of [1.1.1]propellane with lithium 4,4′-Di-t-butylbiphenyl: Bicyclo[1.1.1]pent-1,3-diyldilithium

Uwe Bunz, Günter Szeimies

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 148 KB

english, 1990

13

On the oxidation of saturated hydrocarbons with H2O2 in the presence of iron(II)-picolinate or iron(II)−1,10 phenanthroline 2-carboxylate.

G. Balavoine, D.H.R. Barton, J. Boivin, A. Gref

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 261 KB

english, 1990

14

Phenylselenofluoration d'alcenes acido-sensibles

Christine Saluzzo, Gérard Alvernhe, Daniel Anker, Günter Haufe

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 217 KB

1990

15

The cyclodimerization of aryl vinyl sulphones: A facile and specific reaction when activated by cathodic electron transfer

Jacques Delaunay, Gilles Mabon, Armelle Orliac, Jacques Simonet

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 124 KB

english, 1990

16

Brop: A new reagent for coupling N-methylated amino acids

Jacques Coste, Marie-Noëlle Dufour, Antoine Pantaloni, Bertrand Castro

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 242 KB

english, 1990

17

Fluoride-catalyzed generation and reactions of 1-(p-tolylsulfinyl)vinyl anion

Cheng Hung-Chuan, Yan Tu-Hsin

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 210 KB

english, 1990

18

Utilization of PPh3-Ti(IV) reagents. An efficient α'-alkylidenation of cyclic enones

Toshikatsu Takanami, Kohji Suda, Hidenobu Ohmori

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 227 KB

english, 1990

19

Gas phase substituent effects. Stabilities of 1-aryl-2,2,2-trifluoroethyl cations

Masaaki Hishima, Hiroki Inoue, Mizue Fujio, Yuho Tsuno

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 290 KB

english, 1990

20

Structures of syringostatins A and B, novel phytotoxins produced by pseudomonas syringae pv. syringae isolated from lilac blights

Akira Isogai, Naoyuki Fukuchi, Shuichi Yamashita, Kazuo Suyama, Akinori Suzuki

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 236 KB

english, 1990

21

Stereoselective anti-addition of PhIO·TfOH to terminal alkynes. Preparation of E-(β-trifluoromethanesulfonyloxyvinyl)-iodonium triflates

Tsugio Kitamura, Ryuji Furuki, Hiroshi Taniguchi, Peter J. Stang

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 127 KB

english, 1990

22

The total synthesis of oleandomycin

Kuniaki Tatsuta, Takashi Ishiyama, Shuichi Tajima, Yoshihito Koguchi, Hiroki Gunji

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 258 KB

english, 1990

23

Chiral stacking of a natural flavone, flavocommelin, in aqueous solutions

Toshio Goto, Kumi Yoshida, Mitsuo Yoshikane, Tadao Kondo

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 189 KB

english, 1990

24

Exceptional desulphonylation of β-epoxy sulphonyl containing 10-oxatricyclodecenones

Adrie A.M Houwen-Claassen, A.J.H Klunder, J.J.T Vriends, B Zwanenburg

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 244 KB

english, 1990

25

Aza-claisen rearrangement of amide enolates. Stereoselective synthesis of 2,3-disubstituted carboxamides

Tetsuto Tsunoda, Osamu Sasaki, Shô Itô

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 236 KB

english, 1990

26

An efficient method for hydrolysis of N-monosubstituted amides via acetoxypivalimides

Tetsuto Tsunoda, Osamu Sasaki, Shô Itô

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 223 KB

english, 1990

27

Stereoselectivity in intramolecular 1,3-dipolar cycloadditions. Nitrile oxides versus silyl nitronates

W. Dehaen, A. Hassner

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 240 KB

english, 1990

28

An alternative synthesis of the indole alkaloid vinoxine

M.-Lluïsa Bennasar, Ester Zulaica, Juan-Miguel Jiménez, Joan Bosch

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 243 KB

english, 1990

29

Stereoselective synthesis of artemisinin

T. Ravindranathan, M. Anil Kumar, Rani B. Menon, S.V. Hiremath

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 191 KB

english, 1990

30

Synthesis of cyclic α-amino acids through ring closure of glycine derived free radicals

Peter M. Esch, Henk Hiemstra, W. Nico Speckamp

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 248 KB

english, 1990

31

Enantiomeric synthesis of endo-substituted tetrahydropyrans

Victor S Martín, Maria T Nuñez, Miguel A Ramirez, Marcos A Soler

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 212 KB

english, 1990

32

Enantiospecific synthesis of the potent anti-herpetic carbocyclic 9-(2′deoxy-2′-flouro-β-D-arabinofuranosyl) guanine (+)CAFG from arsiteromycin

Alan D Borthwick, Keith Biggadike, Stuart Holman, C.L. Mo

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 193 KB

english, 1990

33

Synthesis and electrochemical characterisation of poly(tempoacrylate)

Finlay MacCorquodale, Joe A. Crayston, John C. Walton, D.Jim Worsfold

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 235 KB

english, 1990

34

DNA dynamics from a spin probe: Dependence of probe motion tether length

James J. Kirchner, Eric J. Hustedt, Bruce H. Robinson, Paul B. Hopkins

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 259 KB

english, 1990

35

Synthesis of 3′-deoxy-3′-(2-propynyl)thymidine and 3′-cyanomethyl-3′-deoxythymidine, analogs of AZT

Jose Fiandor, Steve Y. Tam

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 213 KB

english, 1990

36

Approach to the synthesis of nogalarol via the cycloaddition of a carbene-chromium complex with a functionalized alkyne

M.F. Semmelhack, Nakcheol Jeong

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 318 KB

english, 1990

37

Regioselective cyclopropanation via unsymmetrical oxatrimethylenemethane palladium intermediates

Barry M. Trost, Hirokazu Urabe

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 211 KB

english, 1990

38

First total synthesis of (−)-dioncophylline A (“Triphyophylline”) and of selected stereoisomers: Complete (revised) stereostructure

Gerhard Bringmann, Johannes R. Jansen, Helmut Reuscher, Martin Rübenacker, Karl Peters, Hans Georg von Schnering

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 288 KB

english, 1990

39

Synthesis of 2,3-substituted tetrahydropyrans by rearrangement of 5,6-dihydro-4H-1,3-dioxocins

Herbert Frauenrath, Martin Sawicki

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 143 KB

english, 1990

40

Enzymes in organic synthesis : VI scope and enantioselectivity of enzymatic hydrolyses of organosilyl-substituted esters

Bernard De Jeso, Nathalie Belair, Hervé Deleuze, Marie-Claude Rascle, Bernard Maillard

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 148 KB

english, 1990

41

Stereospecificity in FE(CO)5 induced reactions of divinyl pyrrolidines

Gilbert Lassalle, René Grée

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 203 KB

english, 1990

42

Proton-induced single electron transfer reactions: Photooxygenation of 1,1,2,2-tetraarylcyclopropanes in the presence of protic acids

Masaki Kamata, Hirotaka Furukawa, Tsutomu Miyashi

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 217 KB

english, 1990

43

Tubiporein, a novel diterpene from a japanese soft coral tubipora sp.

Takenori Natori, Hiroyuki Kawai, Nobuhiro Fusetani

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 128 KB

english, 1990

44

Stereoselective synthesis of 2-substituted 1-methoxy-1,3-dienes by 1,4-elimination with tributylstannyllithium

Shinya Fujiwara, Shigeo Katsumura, Sachihiko Isoe

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 198 KB

english, 1990

45

An efficient synthesis of platelet-activating factor (PAF) via 1-0-alkyl-2-O-(3-isoxazolyl)-SN-glycero-3-phosphocholine, a new PAF agonist utilization of the 3-isoxazolyloxy group as a protected hydroxyl.

Norio Nakamura, Hideki Miyazaki, Nobuyuki Ohkawa, Takeshi Oshima, Hiroyuki Koike

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 244 KB

english, 1990

46

Synthetic studies on new sugar oxetanose: Synthesis of D-erythrooxetanose and its reaction with silylated adenine derivative

Shigeru Nishiyama, Tadaaki Ohgiya, Shozuke Yamamura, Kuniki Kato, Masashi Nagai, Tomohisa Takita

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 258 KB

english, 1990

47

Lampteromyces bioluminescence — 5 chemical synthesis of lampteroflavin as mushroom light emitter

Minoru Isobe, Hiroyuki Takahashi, Toshio Goto

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 125 KB

english, 1990

48

Facile synthesis of resolved α-ethynyl-substituted cyclic amines

J.R Michael Lundkvist, Lars-G Wistrand, Uli Hacksella

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 253 KB

english, 1990

49

2,3-Dichloro-5,6-Dicyano-p-Benzoquinone, an efficient, mild, neutral and highly regioselective catalyst for alcoholysis of epoxides

N. Iranpoor, I. Mohammadpour Baltork

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 181 KB

english, 1990

50

A short enantioselective route to corynanthe alkaloid precursors

John Leonard, Dehimi Ouali, Shirley K Rahman

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 259 KB

english, 1990

51

Novel metabolites from ploiarium alternifolium: A bixanthone and two anthraquinonylxanthones

Graham J. Bennett, Hiok-Huang Lee, Timothy K. Lowrey

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 289 KB

english, 1990

52

Reactions of caesium fluoroxysulphate with pyridine

Stojaa Stavber, Marko Zupan

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 220 KB

english, 1990

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