Volume 32; Issue 39

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Tetrahedron Letters
Volume 32; Issue 39

Tetrahedron Letters

Volume 32; Issue 39

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 848 KB

english, 1991

2

Use of the Me3Sn function as a readily removable ‘anchoring’ group in the synthesis of enantiomerically pure bicyclic alcohols and ketones

Edward Piers, Jacques Y. Roberge

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 273 KB

english, 1991

3

Synthesis and reactivity of alkynyloxy molybdenum carbene complexes: formation of cyclopropyl substituted dihydrofurans and dihydropyrans

Daniel F. Harvey, Matthew F. Brown

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 279 KB

english, 1991

4

The synthesis of circumanthracene

Richard D. Broene, François Diederich

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 278 KB

english, 1991

5

Photocyclization of benzalcycloalkanone oximes. A photoannulation route to quinolines.

Robert J. Olsen

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 180 KB

english, 1991

6

Large rate accelerations in aldol reaction of ortho-substituted benzaldehydes

Goutam Das, Edward R. Thornton

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 385 KB

english, 1991

7

An approach to the A ring of neocarzinostatin chromophore via sequential carbometalation/anion capture

John M. Nuss, Barry H. Levine, Roger A. Rennels, Majid M. Heravi

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 264 KB

english, 1991

8

Palladium-catalyzed regioselective allylation of 6,6-dimethylfulvene: a new fulvene synthesis

Jan-Erik Nyström, Jan O. V»gberg, Björn C. Söderberg

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 239 KB

english, 1991

9

Synthesis of (E)-4-(3-hydroxy-1-propenyl)-2-methoxyphenol-bovine serum albumin conjugate: a novel hapten-protein conjugate

Dian Y. Lee, Vincent L. Chiang

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 369 KB

english, 1991

10

Sulfones as peptide bond isosteres

R.A. Rivero, W.J. Greenlee, A.A. Patchett

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 150 KB

english, 1991

11

The magnesium complexes of 1,2-dimethylenecycloalkanes: a new method for a one-step spiroannelation

Heping Xiong, Reuben D. Rieke

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 244 KB

english, 1991

12

Stereoselective carbohydate synthesis via palladium hydroxide catalyzed epoxide hydrogenolysis

J. Gabriel Garcia, Ronald J. Voll, Ezzat S. Younathan

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 256 KB

english, 1991

13

Integrated aromatic metalation - cross coupling methodologies. A concise synthesis of the azafluoranthene alkaloid imeluteine

Baoping Zhao, Victor Snieckus

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 135 KB

english, 1991

14

Structure of stereochemistry of thysanone: a novel human rhinovirus 3C-protease inhibitor from Thysanophora penicilloides

Sheo B. Singh, Michael G. Cordingley, Richard G. Ball, Jack L. Smith, Anne W. Dombrowski, Michael A. Goetz

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 248 KB

english, 1991

15

The total synthesis of radermachol

Qingping Jiang, Balawant S. Joshi, S. William Pelletier

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 218 KB

english, 1991

16

A useful synthesis of d-erythro-sphingomyelins

Zhengxin Dong, Jared A. Butcher Jr.

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 205 KB

english, 1991

17

3-bromo-2-pyrone: an easily prepared chameleon diene and a synthetic equivalent of 2-pyrone in thermal diels-alder cycloadditions

Gary H. Posner, Todd D. Nelson, Chris M. Kinter, Kamyar Afarinkia

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 292 KB

english, 1991

18

Highly stereoselective rearrangement of (E,E)-suspensolide to anastrephin and epianastrephin

Merle A. Battiste, Lucjan Strekowski, James M. Coxon, Roman L. Wydra, Donald B. Harden

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 143 KB

english, 1991

19

α,β-functionalization of enones via pentacovalent oxaphospholenes

Cynthia K. McClure, Christopher W. Grote

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 313 KB

english, 1991

20

Carbocyclisation of ω-ethylenic propargylic zinc reagents

Gilles Courtemanche, Jean-F. Normant

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 241 KB

english, 1991

21

A new practical method for the synthesis of acetylenes.

Jean Boivin, Laurent Elkaim, Paul G. Ferro, Samir Z. Zard

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 242 KB

english, 1991

22

Synthesis of 2-dimethylaminoimidazole derivatives: a new access to indolyl-imidazole alkaloids of marine origin.

Angeliki Dalkafouki, Janick Ardisson, Nicole Kunesch, Liliane Lacombe, Jacques E. Poisson

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 291 KB

english, 1991

23

Formation of a tetracyclic structure between cytosine derivatives and a model metabolite of the carcinogen 4-nitroquinoline N-oxide

Eric Defrancq, Claude Morat, Marie-France Lhomme, Jean Lhomme

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 282 KB

english, 1991

24

Phosphonates and phosphine oxides as reagents in a one-pot synthesis of coumarins

Pascal Bouyssou, Jacques Chenault

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 156 KB

english, 1991

25

Steroidal nitro ketones: synthetic and stereochemical aspects

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 201 KB

english, 1991

26

Aminoacylation of nucleosides. Mitsunobu conditions versus chemoenzymatic route

J-L. Montero, M. Criton, G-F. Dewynter, J-L. Imbach

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 190 KB

english, 1991

27

Enol esters as intermediates for the facile conversion of amino acids into amides and dipeptides

Zahia Kabouche, Christian Bruneau, Pierre H. Dixneuf

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 243 KB

english, 1991

28

Reductive Beckmann fragmentation of α-alkoxycycloalkanone oxime acetates

Hiromichi Fujioka, Hideaki Yamamoto, Makoto Miyazaki, Takeshi Yamanaka, Kazuhiro Takuma, Yasuyuki Kita

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 143 KB

english, 1991

29

Lithium iodide-catalyzed conjugate addition of β-dicarbonyl compounds

R. Antonioletti, F. Bonadies, E.S. Monteagudo, A. Scettri

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 145 KB

english, 1991

30

The reaction of malononitrile with chalcone: a controversial chemical process

Pedro Victory, José I. Borrell, Anton Vidal-Ferran, Carlos Seoane, José L. Soto

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 233 KB

english, 1991

31

One pot preparation of pyrido[2,3,4-de]quinazolines and benzo[de][1,6]naphthyridines by a consecutive process involving an aza-Wittig/electrocyclic ring-closure/heterocumulene-mediated annelation or intramolecular Diels-Alder cycloaddition sequence.

Pedro Molina, Mateo Alajarín, Angel Vidal

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 266 KB

english, 1991

32

Can both cis- and trans-isomers of the 9-decalyl radical be detected in solution by ESR spectroscopy?

Brian P. Roberts, Andrew J. Steel

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 290 KB

english, 1991

33

Synthesis of alkene dipeptide isosteres employing the wittig-still rearrangement

K.M. Bol, R.M.J. Liskamp

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 284 KB

english, 1991

34

β-phenylsulfonylenones as α,β-acetylenic ketones equivalents in diels-alder reactions

Fernando M. Leon, Juan C. Carretero

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 229 KB

english, 1991

35

Chiral induction in cycloaddition reactions of azomethine ylides derived from secondary α-amino acids by the decarboxylative route

Thomas Coulter, Ronald Grigg, John F. Malone, Visuvanathar Sridharan

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 217 KB

english, 1991

36

The iodotrichlorosilane induced reactions of aromatic aldehydes with acrylonitrile : a unique route to unsaturated iminoaldehydes

Saad S. Elmorsy, Duria S. Badawy, Mohamed A. Nour, Andrew Pelter

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 114 KB

english, 1991

37

Highly diastereoselective addition of cyanide to β-hydroxyketones

Ernesto Brunet, Manohar Singh Batra, Francisco J. Aguilar, José Luis García Ruano

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 151 KB

english, 1991

38

Electrophilic catalysis by cyclodextrins

Hongping Ye, Ding Rong, Valerian T. D'Souza

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 262 KB

english, 1991

39

Application of microwave energy to organic synthesis: improved technology

R.A. Abramovitch, D.A. Abramovitch, K. Iyanar, K. Tamareselvy

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 254 KB

english, 1991

40

Electrophilic chemistry of dodecahedrane. Direct entry to epoxydodecahedrane and the first tethered derivative

Leo A. Paquette, Dean R. Lagerwall, John L. King, Satomi Niwayama, Renato Skerlj

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 220 KB

english, 1991

41

A route to acyclic tricarbonyl(η5-trienyl)iron(1+) complexes for use in polyene asymmetric synthesis

G.Richard Stephenson, Martyn Voyle, Sarah Williams

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 330 KB

english, 1991

42

Highly enantioselective and diastereoselective synthesis of β-amino acid esters and β-lactams from achiral esters and imines

E.J. Corey, Carl P. Decicco, Ronald C. Newbold

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 303 KB

english, 1991

43

Transition metal catalysis of the diels-alder reaction

Alan S. Olson, William J. Seitz, M. Mahmun Hossain

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 268 KB

english, 1991

44

Transition state stucture and frontier orbital influence on the cycloaddition reactions of 2,5-dimethyl-3,4-dimethylenethiophene with styrenes and benzaldehydes

Karl W. Haider, Jeffrey A. Clites, Jerome A. Berson

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 292 KB

english, 1991

45

Selective α,ω-dicarboxylic acid recognition in a chiral cleft shaped by the 9,9′-spirobifluorene unit

Victoria Alcázar Montero, Laura Tomlinson, K.N. Houk, François Diederich

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 310 KB

english, 1991

46

A highly efficient synthesis of (Z) γ-iodo allylic alcohols

Ilane Marek, Alexandre Alexakis, Jean-F. Normant

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 203 KB

english, 1991

47

Synthesis and characterization of cyclic peptides with hydrolytic activity

Pascale Malon, Jean-Marc Bonmatin, André Brack

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 244 KB

english, 1991

48

Diastereoselection in the addition of enolates to chiral α,β-epoxyaldehydes

Jean-Marc Escudier, Michel Baltas, Liliane Gorrichon

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 248 KB

english, 1991

49

Asymmetric amination of carboxylic acids via a diels-alder strategy.

Véronique Gouverneur, Léon Ghosez

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 217 KB

english, 1991

50

Enantiospecific total synthesis of (−)-allosamizoline, and aminocyclitol moiety of the insect chitinase inhibitor allosamidin

Masaya Nakata, Seiji Akazawa, Shuji Kitamura, Kuniaki Tatsuta

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 283 KB

english, 1991

51

Highly diastereoselective aldol reactions of 4-thianone: a new strategy for synthesis of polypropionate frames

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 276 KB

english, 1991

52

Chemical-microbiological synthesis of 6β-eudesmanolides from 11-hydroxyl derivatives: synthesis of 6β-dendroserins by Rhizopus nigricans

Andrés García-Granados, Antonio Martínez, Francisco Rivas, M. Esther Onorato, Jose M. Arias

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 146 KB

english, 1991

53

Solid phase peptide synthesis of selectively phosphorylated peptides.

Gunnar Stærkær, Mogens H. Jakobsen, Carl Erik Olsen, Arne Holmb

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 306 KB

english, 1991

54

Control of diastereofacial selectivity in the nucleophilic epoxidation of γ-oxygenated-α,β-unsaturated sulphones

Richard F.W. Jackson, Stephen P. Standen, William Clegg

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 267 KB

english, 1991

55

A short and efficient synthesis of DE-A,B(22E,24S)-8β-(benzoyloxy)-25-hydroxyergost-22-ene a valuable intermediate in the total synthesis of 25-hydroxylated vitamin D2-metabolites

Jaap C. Hanekamp, Rob Boer Rookhuizen, Henry L.A.v.d. Heuvel, Hendrik J.T. Bos, Lambert Brandsma

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 217 KB

english, 1991

56

The thorpe-ingold effect in the synthesis of tetrahydro-furans and pyrans by competitive cyclisation with phenylthio migration

Sara McIntyre, Francis H. Sansbury, Stuart Warren

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 261 KB

english, 1991

57

“Tandem” reactivity of 2-cyano-Δ3-piperideines: a new approach to the synthesis of ervatamine type indole alkaloids.

Jean-Luc Bettiol, Ildiko Buck, Henri-Phillippe Husson, David S. Grierson, Anna Diez, Mario Rubiralta

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 236 KB

english, 1991

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