Volume 32; Issue 30

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Tetrahedron Letters
Volume 32; Issue 30

Tetrahedron Letters

Volume 32; Issue 30

1

The stereospecific preparation of an hydroxyethylene isostere precursor via a novel piperidine-2,5-dione template

Daniel J. Plata, M.Robert Leanna, Howard E. Morton

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 240 KB

english, 1991

2

Nucleoside synthesis from thioglycosides

Spencer Knapp, Wen-Chung Shieh

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 263 KB

english, 1991

3

Reactivity of carbanions stabilized by two alpha phosphorus groups

Mudlagiri B. Goli, Samuel O. Grim

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 271 KB

english, 1991

4

Synthesis of tri-substituted furans: mild Ti(IV)-mediated couplings to acetals. Construction of the epoxy hemi-amido ketal of fusarin C

Robert M Williams, Christopher S Esslinger

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 274 KB

english, 1991

5

Efficient route to the synthesis of C-2, C-3 substituted 4-piperidones

Dharmpal S. Dodd, Allan C. Oehlschlager

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 209 KB

english, 1991

6

Mechanistic dichotomies in Pd catalyzed enyne metathesis of cyclic olefins

Barry M. Trost, Mary K. Trost

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 229 KB

english, 1991

7

Determination of enantiomeric purity of alcohols using achiral diphenyldichlorosilane

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 220 KB

english, 1991

8

A novel route to 1,3-dienyl-2-boronic esters providing simple syntheses of conjugated [E,E]-dienes and conjugated [E]-alkenones.

Herbert C. Brown, Narayan G. Bhat, Ramakrishnan R. Iyer

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 275 KB

english, 1991

9

Radical cyclizations of functionalized allenes

Jack K. Crandall, Timothy A. Ayers

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 305 KB

english, 1991

10

Synthesis of an avermectin-nemadectin hybrid.

Thomas L. Shih, Mark A. Holmes, Helmut Mrozik, Michael H. Fisher

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 234 KB

english, 1991

11

Pictamine, a quinolizidine alkaloid from the tunicate clavelina picta

Fanhua Kong, D.John Faulkner

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 132 KB

english, 1991

12

Oxidative generation of an enediyne system from a 1,5-diyne precursor. A novel triggering device for enediynes

Martin E. Maier, Tilmann Brandstetter

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 329 KB

english, 1991

13

Acyclic diastereofacial selection in radical addition.

William Smadja, Mohamed Zahouily, Michel Journet, Max Malacria

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 276 KB

english, 1991

14

(S,S)-bis-p-tolylsulfinylmethane and carbonyl compounds: reactivity and asymmetric induction

Guy Solladié, Françoise Colobert, Pilar Ruiz, Chafiq Hamdouchi, M.Carmen Carreño, L. José, García Ruano

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 211 KB

english, 1991

15

Synthèse “One-Pot” de Dérivés Halogénés du 4,4-Dioxyde isoxazolino-[4,5-b]benzo[b]thiophènes

M. Soufiaoui, B. Syassi, B. Daou, N. Baba

Journal:

Tetrahedron Letters

Year:

1991

File:

PDF, 135 KB

1991

16

Expeditious synthesis of the four isomers of methyl dimorphecolate

Jean-Marc Duffault, Jacques Einhorn, Alex Alexakis

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 274 KB

english, 1991

17

Regioselective hydrochlorination of olefins is favored by an acidic solid catalyst

Lionel Delaude, Pierre Laszlo

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 272 KB

english, 1991

18

Cycloaddition dipolaire −1,3 sur des 2H-pyrroles: synthèse de quelques dérivés de pyrazolino- et isoxazolino- [5,6-e] pyrroles

A. Eddaif, S. Kitane, M. Soufiaoui, P. Mison

Journal:

Tetrahedron Letters

Year:

1991

File:

PDF, 145 KB

1991

19

Thermolysis of 7-isopropylidene-2,3-diazabicyclo [2.2.1] hept-2-ene in the presence of spin trap

Jimmy S. Hwang, Mohammad Nahid Siddiqui, Ahmed M. Bukhari

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 266 KB

english, 1991

20

Chemo and regioselective opening of ethereal carbon-oxygen bonds by monochloroborane-dimethylsulfide.

Paolo Bovicelli, Enrico Mincione, Giancarlo Ortaggi

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 277 KB

english, 1991

21

Intramolecular transesterification in thiophosphate-analogues of an RNA-dimer.

Helena Almer, Roger Strömberg

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 340 KB

english, 1991

22

Synthesis of some proline derivatives by means of michael additions of glycine esters

Anne van der Werf, Richard M. Kellogg

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 207 KB

english, 1991

23

A valence bond approach to explaining fullerene stabilities

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 257 KB

english, 1991

24

4-Acetoxycyclopent-2-enone: a synthetic equivalent for cyclopentadienone in diels-alder reactions

P.P.M.A. Dols, L. Lacroix, A.J.H. Klunder, B. Zwanenburg

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 319 KB

english, 1991

25

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 583 KB

english, 1991

26

The chemistry of N-substituted benzotriazoles: a novel route to dienamines

Alan R. Katritzky, Qiu-He Long, Ping Lue

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 234 KB

english, 1991

27

Rational design of chiral stationary phases for capillary supercritical fluid chromatography.

Bryant E. Rossiter, Patrik Petersson, Deborah F. Johnson, Masakatsu Eguchi, Jerald S. Bradshaw, Karin E. Markides, Milton L. Lee

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 249 KB

english, 1991

28

Molecular modeling of intramolecular hydrogen bonding in simple oligoamides 2. GB/SA CH2Cl2.

Douglas A. Smith, S. Vijayakumar

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 284 KB

english, 1991

29

A new method for preparing aqueous solutions of trialkylsulfonium and trialkylsulfoxonium hydroxides

Dennis P. Phillion, Steven S. Andrew

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 112 KB

english, 1991

30

Some CC bond constructions on monosaccharides using cobaloxime-mediated radical alkyl-nitroalkylanion cross coupling reactions

Bruce P. Branchaud, Gui-Xue Yu

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 267 KB

english, 1991

31

Isolation of a glucosidic precursor of isomeric marmelo lactones from quince fruit

Peter Winterhalter, Andrea Lutz, Peter Schreier

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 121 KB

english, 1991

32

Asymmetric hydrogenation of itaconic acids with rhodium(I)-phenyl-capp complex a correction

Heiner Jendralla

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 130 KB

english, 1991

33

A [4+1] cyclopentannulation route to ring a aromatic, C(1)-C(11) methano-bridged steroids

H. Künzer, G. Sauer, R. Wiechert

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 155 KB

english, 1991

34

Formation of the morphine precursor salutaridine is catalyzed by a cytochrome p-450 enzyme in mammalian liver

Tobias Amann, Meinhart H. Zenk

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 243 KB

english, 1991

35

Cheletropic reactions in diphosphirane series

G. Etemad-Moghadam, C. Tachon, M. Gouygou, M. Koenig

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 288 KB

english, 1991

36

Anomalous reimer-tiemann reaction from phenol, chloroform and potassium fluoride in sulfolane.

Bernard R. Langlois

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 275 KB

english, 1991

37

A new approach to the synthesis of oligodeoxyribonucleotides with alkylamino groups linked to internucleotide phosphate groups

Sergei M. Gryaznov, Victor K. Potapov

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 237 KB

english, 1991

38

A concise synthesis of taiwanin E using a michael initiated ring closure protocol

David C. Harrowven

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 205 KB

english, 1991

39

Calculation of rotational states of flexible molecules using simulated annealing

Stephen R. Wilson, Frank Guarnieri

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 286 KB

english, 1991

40

Cembrane, synthesis. An advanced intermediate for crassin acetate.

Marcus A. Tius, N. Kesavulu Reddy

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 263 KB

english, 1991

41

Molecular modeling of intramolecular hydrogen bonding in simple oligoamides 1. In vacuo.

Douglas A Smith, S Vijayakumar

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 308 KB

english, 1991