Volume 32; Issue 19

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Tetrahedron Letters
Volume 32; Issue 19

Tetrahedron Letters

Volume 32; Issue 19

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 473 KB

english, 1991

2

2-Deoxy-1-O-silylated-β-hexopyranoses. Useful glycosyl donors and synthetic intermediates.

Waldemar Priebe, Grzegorz Grynkiewicz, Nouri Neamati

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 284 KB

english, 1991

3

Controlling benzylic functionality and stereochemistry: 1. Synthesis of the secopseudopterosin aglycone

Stuart W. McCombie, Brian Cox, Sue-Ing Lin, Ashit K. Ganguly, Andrew T. McPhail

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 255 KB

english, 1991

4

Controlling benzylic functionality and stereochemistry: 2. Synthesis of the pseudopterosin aglycone

Stuart W. McCombie, Brian Cox, Ashit K. Ganduly

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 273 KB

english, 1991

5

Hydrofluorination of anhydrothymidine via soluble aluminum derivatives

Kenneth Green, David M. Blum

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 232 KB

english, 1991

6

Highly reactive organolithiums (from “Freeman's Reagent”) and their additions to naphthalene oxazolines.

David J. Rawson, A.I. Meyers

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 206 KB

english, 1991

7

α-Haloenones from secondary alkynols

Geetha J. Angara, Edward McNelis

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 152 KB

english, 1991

8

Chiral γ-silyloxy allylstannanes as synthetic reagents. Proof of absolute configuration

James A. Marshall, Gregory S. Welmaker

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 292 KB

english, 1991

9

An efficient protocol for the synthesis of fenestrane derivatives

W.A. Smit, S.M. Buhanjuk, S.O. Simonyan, A.S. Shashkov, Y.T. Struchkov, A.I. Yanovsky, R. Caple, A.S. Gybin, L.G. Anderson, J.A. Whiteford

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 292 KB

english, 1991

10

An unusual case of Khand-Pauson cyclization involving the participation of a conjugated double bond. A promising sequence for the assemblage of polycyclic framework

A.L. Veretenov, W.A. Smit, L.G. Vorontsova, M.G. Kurella, R. Caple, A.S. Gybin

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 347 KB

english, 1991

11

Diastereoselective synthesis of ribofuranosyl glycines

Albrecht Lieberknecht, Johannes Schmidt, John J. Stezowski

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 270 KB

english, 1991

12

New orthopara- and orthometacyclophanes

Masatoshi Asami, Claus Krieger, Heinz A. Staab

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 266 KB

english, 1991

13

Palladium-catalysed arylation of allylic alcohols: Highly selective synthesis of β-aromatic carbonyl compounds or β-aromatic α,β-unsaturated alcohols.

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 210 KB

english, 1991

14

β-Phosphorylated five membered ring nitroxides, a new class of stable nitroxides. 1. Synthesis by Reaction. of dialkylphosphites with 1-pyrroline-n-oxides.

Anne Mercier, Yves Berchadsky, Badrudin, Pietri Sylvia, Paul Tordo

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 265 KB

english, 1991

15

Two probable different FeCO geometries in carbonmonoxide myoglobin model systems

Bernard Boitrel, Alexandra Lecas-Nawrocka, Eric Rose

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 272 KB

english, 1991

16

Preparation of quinone-imide ketals from amides with hypervalent organo-iodine compounds

R. Barret, M. Daudon

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 140 KB

english, 1991

17

The cyclobutenic way to triquinanes. Synthesis of (±) silphinene

Michel Franck-Neumann, Michel Miesch, Laurence Gross

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 150 KB

english, 1991

18

An efficient preparation of 3-azabicyclo [3.3.0]. Oct-5-en-7-ones from propargyl alcohol- cobalt complexes via nicholas reaction with amidic nitrogen nucleophiles followed by pauson-khand cyclization

Nakcheol Jeong, Sung-eun Yoo, Sang Jo Lee, Sang Hee Lee, Young Keun Chung

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 354 KB

english, 1991

19

Syntheses of 2,2-bishydroxymethylcyclopropyl adenine and uracil, novel carbocyclic nucleosides

Shigeru Nishiyama, Shinya Ueki, Tatsuya Watanabe, Shosuke Yamamura, Kuniki Kato, Tomohisa Takita

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 135 KB

english, 1991

20

A simple and stereocontrolled syntheses of a 1β-methylcarbapenem key intermediate by means of organosilicon chemistry

Shoichiro Uyeo, Hikaru Itani

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 137 KB

english, 1991

21

Osmium-catalyzed oxidation of β-lactams with peroxides

Shun-Ichi Murahashi, Takao Saito, Takeshi Naota, Hidenori Kumobayashi, Susumu Akutagawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 240 KB

english, 1991

22

Jereisterol A and B : Two 3β-methoxy-secosteroids from the pacific sponge Jereicopsis graphidiophora.

M. Valeria D'Auria, Luigi Gomez Paloma, Luigi Minale, Raffaele Riccio, Cecile Debitus

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 289 KB

english, 1991

23

Friedel-crafts coordinated processes: Selective cyclooligomerization of acyl chlorides

Giovanni Sartori, Giuseppe Casnati, Franca Bigi, Davide Baraldi

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 220 KB

english, 1991

24

Reduction of ketones with polydibenzo-18-crown-6-borohydride

A. Sarkar, Br Rao

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 251 KB

english, 1991

25

Stereoselective palladium catalyzed cyclization on carbohydrate templates- a route to chiral cyclopentanes and some heterocyclic analogs

G.J. Engelbrech, C.W. Holzapfel

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 329 KB

english, 1991

26

An approach to the stereocontrolled synthesis of polysubstituted chiral butenolides and γ-lactones

Carmen Ma Rodríguez, Victor S. Martín

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 214 KB

english, 1991

27

Terminal 1-halo- 1 and 1-pseudohalo-1-alkynes via bis(trimethylsilyl)peroxide (BTMSPO) promoted Umpolung transfer of Halides and pseudohalides.

Antonella Casarini, Pasquale Dembech, Gianna Reginato, Alfredo Ricci, Giancarlo Seconi

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 206 KB

english, 1991

28

A novel and versatile synthesis of 1-aryl-benzocyclobutenols and 1-aryl-benzocyclobutenes

Indrapal Singh Aidhen, N.S. Narasimhan

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 126 KB

english, 1991

29

A convenient synthetic route to 1,2,4-tri and 1,3-disubstituted cubanes

Graziano Castaldi, Rosalba Colombo, Pietro Allegrini

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 197 KB

english, 1991

30

Bis(arylsulphonyl)acetylenes

Lucia Pasquato, Ottorino De Lucchi, Liliana Krotz

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 168 KB

english, 1991