Volume 32; Issue 9

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Tetrahedron Letters
Volume 32; Issue 9

Tetrahedron Letters

Volume 32; Issue 9

1

Regiochemistry and stereochemistry of the coupling of phenylthiopentadienyl metals with C-electrophiles

S. Florio, L. Ronzini, R. Sgarra

Journal:

Tetrahedron Letters

Year:

1991

File:

PDF, 30 KB

1991

2

Graphical abstract

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 564 KB

english, 1991

3

The stereocontrolled formation of cyclic vicinal cis-diols via a samarium diiodide pinacol coupling of dialdehydes

Jose Luis Chiara, Walter Cabri, Stephen Hanessian

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 309 KB

english, 1991

4

Synthesis of substituted cyclobutenediones from 3-ethenyl-4-methoxy-cyclobutene-1,2-dione

Simon Xu, Benjamin R. Yerxa, Robert W. Sullivan, Harold W. Moore

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 214 KB

english, 1991

5

Silvanols: Water-soluble calixarenes

George R. Newkome, Yuefei Hu, Mary Jane Saunders, Frank R. Fronczek

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 401 KB

english, 1991

6

Muricatacin: A simple biologically active acetogenin derivative from the seeds of annona muricata (annonaceae)

Matthew J. Rieser, John F. Kozlowski, Karl V. Wood, Jerry L. McLaughlin

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 236 KB

english, 1991

7

Nucleophilic substitution of tetracarbonyliron complexes of γ-acetoxycrotonates: The homologous Michael reaction

J.R. Green, M.K. Carroll

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 270 KB

english, 1991

8

The unsymmetrical silaketal as a neutral, removable tether for effecting intramolecular diels-alder reactions.

John W. Gillard, Réjean Fortin, Erich L. Grimm, Michel Maillard, Michael Tjepkema, Michael A. Bernstein, Robert Glaser

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 283 KB

english, 1991

9

A novel regioselective synthesis of allylsilanes.

T.H. Chan, D. Labrecque

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 275 KB

english, 1991

10

Alkyl hydroperoxide oxidation of alkanes and alkenes with a highly active Mn catalyst.

Joseph E. Sarneski, Demetrius Michos, H. Holden Thorp, Mary Didiuk, Thomas Poon, Jennifer Blewitt, Gary W. Brudvig, Robert H. Crabtree

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 215 KB

english, 1991

11

Formation of carboxamides with N,N,N′,N′-tetramethyl (succinimido) uronium tetrafluoroborate in aqueous / organic solvent systems

Willi Bannwarth, Reinhard Knorr

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 236 KB

english, 1991

12

Synthese eines oxepino[2,3-d]isoxazol-systems

Lutz Aßmann, Tony Debaerdemaeker, Willy Friedrichsen

Journal:

Tetrahedron Letters

Year:

1991

File:

PDF, 202 KB

1991

13

Total synthesis of lipoxins A4 and B4 from d-isoascorbic acid

C. Gravier-Pelletier, J. Dumas, Y. Le Merrer, J.C. Depezay

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 292 KB

english, 1991

14

Ruthenium-catalyzed controlled functionalization of the norbornane skeleton

A. Tenaglia, E. Terranova, B. Waegell

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 167 KB

english, 1991

15

Chiral aminal termplates 61. Diastereoselectivity of hydrazone alkylation. Asymmetric synthesis of α-aminoaldehydes

Alexandre Alexakis, Nathalie Lensen, Pierre Mangeney

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 243 KB

english, 1991

16

A direct synthesis of olefins by reaction of carbonyl compounds with lithio derivatives of 2-[alkyl- or (2′-alkenyl)- or benzyl-sulfonyl]-benzothiazoles.

Jean Bernard Baudin, Georges Hareau, Sylvestre A. Julia, Odile Ruel

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 249 KB

english, 1991

17

Alkali metal fluoride mediated silyl-reformatsky reaction in solid-liquid media; activation by microwaves.

Régine Latouche, Françoise Texier-Boullet, Jack Hamelin

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 261 KB

english, 1991

18

Enantiospecific naphthopyran synthesis by intramolecular diels-alder cyclisation of 4-keto 2,3-unsaturated C-glycosides

Jean Herscovici, Sylvie Delatre, Kostas Antonakis

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 281 KB

english, 1991

19

Palladium-catalyzed hydrostannation of alkoxyallenes. A new access to functionalized allylstannanes.

Karen Koerber, Jacques Gore, Jean-Michel Vatele

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 227 KB

english, 1991

20

Preparation et proprietes solubilisantes de micelles polymerisees d'un tensioactif glycolipidique : le poly (N- (undecene - 10-yl) lactobionamide)

B. Boyer, G. Lamaty, J.M. Moussamou-Missima, A.A. Pavia, B. Pucci, J.P. Roque

Journal:

Tetrahedron Letters

Year:

1991

File:

PDF, 288 KB

1991

21

An alternative efficient method for transformation of thiocarbonyl to carbonyl group using trifluoroacetic anhydride

Ryōichi Masuda, Masaru Hojo, Tadaaki Ichi, Shigetoshi Sasano, Tatsuya Kobayashi, Chihiro Kuroda

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 213 KB

english, 1991

22

Group 6 anionic μ-hydride complexes [HM2(CO)10]− (M = Cr, Mo, W): New catalysts for hydrogenation and hydrosilylation

Takamasa Fuchikami, Yumiko Ubukata, Yasutaka Tanaka

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 281 KB

english, 1991

23

[3,3]sigmatropic ring expansion of cyclic thionocarbonates.3. Computational evaluation of the transition states

Shinya Harusawa, Hirotaka Osaki, Ryuji Yoneda, Takushi Kurihara, Hirofumi Ohishi

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 210 KB

english, 1991

24

Polyamino-β-cyclodextrin as a model of aldolase

Waichiro Tagaki, Hiroshi Yamamoto

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 135 KB

english, 1991

25

Regioselective dehydration in cyclic system with triphenylphosphine-azodicarboxylate

Takamas Iimori, Yasuo Ohtsuka, Takeshi Oishi

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 272 KB

english, 1991

26

Preparation of Nε-(3-hydroxy-16-oxoestra-1,3,5(10)-trien-17β-YL)-l-lysine, 16α-hydroxyestrone-lysing adduct, via heyns rearrangement

Shinichi Miyairi, Takanori Ichikawa, Toshio Nambara

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 135 KB

english, 1991

27

Halofluorination of alkenes using tetrabutylammonium dihydrogentrifluoride

Manabu Kuroboshi, Tamejiro Hiyama

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 235 KB

english, 1991

28

Enantiodifferentiating transformation of prochiral 1,3,5-pentanetriols controlled by intramolecular van der Waals attractions

Toshiro Harada, Isao Wada, Jun-ji Uchimura, Atsushi Inoue, Sachi Tanaka, Akira Oku

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 321 KB

english, 1991

29

Application of dimethylsulphoxide(DMSO) / trifluoroacetic acid(TFA) oxidation to the synthesis of cystine-containing peptide

Akira Otaka, Takaki Koide, Atsuko Shide, Nobutaka Fujii

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 256 KB

english, 1991

30

Revised structures of prianosins C and D, antineoplastic alkaloids from the Okinawan marine sponge Prianos melanos

Jun'ichi Kobayashi, Jie-fei Cheng, Shosuke Yamamura, Masami Ishibashi

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 179 KB

english, 1991

31

Stereoselective 1,4-hydroboration of acyclic (E)-α,β-unsaturated ketones with dialkylboranes. Synthesis of (Z)-vinyloxyboranes.

Gian Paolo Boldrini, Michele Bortolotti, Emilio Tagliavini, Claudio Trombini, Achille Umani-Ronchi

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 266 KB

english, 1991

32

Internal rotation in 2,2-dimesityl-1-trimethylsilylethenol

Ella B. Nadler, Zvi Rappoport

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 275 KB

english, 1991

33

Anomeric spiroepoxides derived from fructopyranose, and the synthesis of new fructophosphonic acids

Malcolm M. Campbell, Gavin D. Hefferman, Terence Lewis

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 211 KB

english, 1991

34

Diastereoselective routes to endo and exo ethyl 1-azabicyclo[2.2.1] hept-3-YL carboxylates

Barry S. Orlek, Harry Wadsworth, Paul Wyman, Michael S. Hadley

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 218 KB

english, 1991

35

Synthesis of ethyl 1-azabicyclo[2.2.1]hept-4-yl carboxylate

Barry S. Orlek, Harry Wadsworth, Paul Wyman, Frank D. King

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 117 KB

english, 1991

36

Montmorillonite supported (−)N-dodecyl-N-methyl ephedrenium borohydride : An efficient reducing agent

A Sarkar, BR Rao

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 266 KB

english, 1991

37

Studies directed towards the synthesis of immunosuppressive agent FK-506 : Synthesis of the entire bottom-half

AV Rama Rao, TK Chakraborty, K Laxma Reddy

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 239 KB

english, 1991