Volume 33; Issue 8

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Tetrahedron Letters
Volume 33; Issue 8

Tetrahedron Letters

Volume 33; Issue 8

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 587 KB

english, 1992

2

The synthesis and chemistry of functionalized furochromones.4.1 Addition of nitronate anions to 30bromochromone and 6-bromofurochromone. An expedient route to furo(3′,2′:6,7)-benzopyrano(2,3-d)-isoxazolones and chromono(2,3-d)isoxazolones.

Ronald B. Gammill, Sharon A. Nash, Larry T. Bell, William Watt

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 245 KB

english, 1992

3

A novel entry to substituted chromones and furochromones through cyclopropane intermediates.

Ronald B. Gammill, Sharon A. Nash, Larry T. Bell, William Watt

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 216 KB

english, 1992

4

Alkene aziridination and epoxidation catalyzed by chiral metal salen complexes

Kenneth J. O'Connor, Shiow-Jyi Wey, Cynthia J. Burrows

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 285 KB

english, 1992

5

Asymmetric epoxidation of unfunctionalized alkenes using the new C2-symmetrical 1,1′-binaphthyl-2,2′-dimethylene-bridged ansa-Bis(1-indenyl)titanium dichloride catalyst

Steven L. Colletti, Ronald L. Halterman

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 318 KB

english, 1992

6

Practical synthesis of enantiomerically pure myo-inositol derivatives

Karol S. Bruzik, Jeffrey Myers, Ming-Daw Tsai

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 246 KB

english, 1992

7

Stereocontrolled photochemical [2 + 2] cycloaddition

Steven A. Fleming, Susan C. Ward

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 273 KB

english, 1992

8

Vinylboranes are omniphilic dienophiles. Some unusual and useful properties of vinylboranes in diels-alder reactions

Daniel A. Singleton, Jose P. Martinez, José V. Watson

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 285 KB

english, 1992

9

Synthesis and structures of a new class of calixarene analogs derived from 5-t-butyltetrahydro-1,3,5-triazine-2(1H)one.

Paritosh R. Dave, Gerald Doyle, Theodore Axenrod, Hamid Yazdekhasti, Herman L. Ammon

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 281 KB

english, 1992

10

Intramolecular amino delivery reactions for the synthesis of valienamine and analogues

Spencer Knapp, Andrew B.J. Naughton, T.G. Murali Dhar

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 302 KB

english, 1992

11

An efficient partial synthesis of (+)-artemisinin and (+)-deoxoartemisinin

Peter T. Lansbury, Deanne M. Nowak

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 298 KB

english, 1992

12

A general, one-pot method for the synthesis of 2-substituted oxazoles

Eric L. Williams

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 238 KB

english, 1992

13

A convenient procedure for the direct conversion of terminal alkenes into carboxylic acids

Uday S. Racherla, Vijay V. Khanna, Herbert C. Brown

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 233 KB

english, 1992

14

Higher order, mixed cyanocuprates derived from n-lithio-imidazole and pyrrole: New “dummy” ligand alternatives in organocopper chemistry

Bruce H. Lipshutz, Paul Fatheree, William Hagen, Kirk L. Stevens

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 240 KB

english, 1992

15

An intramolecular Baylis-Hillman reaction

Fides Roth, Peter Gygax, Georg Fráter

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 225 KB

english, 1992

16

A new access to phosphaindolizines by [3+2] cycloaddition of azomethine ylides onto phosphaalkynes

Uwe Bergsträßer, Andreas Hoffmann, Manfred Regitz

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 249 KB

english, 1992

17

Reactions d'aldolisation croisee en serie furanique par l'intermediaire d'enols silicies

C. Le Roux, M. Maraval, M.E. Borredon, H. Gaspard-Iloughmane, J. Dubac

Journal:

Tetrahedron Letters

Year:

1992

File:

PDF, 151 KB

1992

18

Perfluorocarbons as inert gases in homogeneous sonochemistry

Th. Lepoint, F. Mullie, N. Voglet, D.H. Yang, J. Vandercammen, J. Reisse

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 141 KB

english, 1992

19

Radical cyclization of β-allenic oxime ethers

J. Hatem, C. Henriet-Bernard, J. Grimaldi, R. Maurin

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 145 KB

english, 1992

20

Access to polyhydroxylated cycloheptane derivatives through stereoselective nitrile oxide intramolecular cycloaddition. Synthesis of an analogue of calystegine B2

O Duclos, A Duréault, J.C Depezay

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 240 KB

english, 1992

21

Fluoride as leaving group in SRN1 reactions of a tetrasubstituted-1,4-benzoquinone

Michel P. Crozet, Luc Giraud, Jean-François Sabuco, Patrice Vanelle

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 132 KB

english, 1992

22

Fluoride ion promoted anodic substitutions of chalcogeno compounds.2. Regioselective anodic methoxylation of 1,1-dihydro-perfluoroalkyl and cyanomethyl selenides.

Kazimierz Surowiec, Toshio Fuchigami

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 247 KB

english, 1992

23

meso-perfluorination of porphyrins with N-fluoropyridinium triflate

Yoshinori Naruta, Fumito Tani, Kazuhiro Maruyama

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 237 KB

english, 1992

24

Regioselective double disulfide formation using silylchloride-sulfoxide system

Kenichi Akaji, Kenji Fujino, Tadashi Tatsumi, Yoshiaki Kiso

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 298 KB

english, 1992

25

Zirconium porphyrins as novel active catalysts for highly regio- and stereo-selective ethylalumination of alkynes

Kenji Shibata, Takuzo Aida, Shohei Inoue

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 278 KB

english, 1992

26

Development of tetrahydrofuran chiral synthons by enzymatic approach: Improved synthesis of a strong agonist of platelet activating factor

Susumu Kobayashi, Michitaka Sato, Yoshihito Eguchi, Masaji Ohno

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 260 KB

english, 1992

27

Pd(0)-catalyzed allylic alkylation in the synthesis of (±)carbovir.

Lise-Lotte Gundersen, Tore Benneche, Kjell Undheim

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 194 KB

english, 1992

28

New marine cytotoxic bispyrones. Absolute stereochemistry of onchitriols I and II

Jaime Rodríguez, Ricardo Riguera, Cécile Debitus

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 283 KB

english, 1992

29

Stereoselective synthesis of nucleosides by metallocene-promoted activation of glycosyl fluorides

Ma Isabel Matheu, Raouf Echarri, Sergio Catillón

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 272 KB

english, 1992

30

The first occurrence of polyhydroxylated steroids with phosphate conjugation from the starfish tremaster novaecaledoniae

Francesco De Riccardis, Maria Iorizzi, Luigi Minale, Raffaele Riccio, Cécile Debitus

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 315 KB

english, 1992

31

Meso-alkynyl porphyrins

Harry L. Anderson

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 281 KB

english, 1992

32

Base-dependent stereoselectivity in reactions of acyl ligand in phenylacetyliron complex (η5-C5H5)Fe(CO)(PPh3)(COCH2Ph)

Zhong-Wu Guo, Aleksander Zamojski

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 253 KB

english, 1992

33

An unusual base-mediated ring contraction reaction of benzopyrans to benzofurans

Derek R. Buckle, Andrew Faller, Ivan L. Pinto, David G. Smith

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 233 KB

english, 1992

34

Highly diastereoselective synthesis of β-lactams by addition of titanium enolates of 2-pyridyl thioesters to chiral imines

Rita Annunziata, Mauro Cinquini, Franco Cozzi, Pier Giorgio Cozzi

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 227 KB

english, 1992

35

Bifunctional chiral auxiliaries 4: Alkylation of enolates derived from 1,3-diacyl-trans-4,5-tetramethyleneimidazolidin-2-ones

Stephen G. Davies, Andrew A. Mortlock

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 273 KB

english, 1992