Volume 33; Issue 31

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Tetrahedron Letters
Volume 33; Issue 31

Tetrahedron Letters

Volume 33; Issue 31

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 513 KB

english, 1992

2

Biomimetic transformations of 2-aminoimidazole into zoanthoxanthins: Exposing a potential biogenic missing link

Xu Ying-zi, Kenichi Yakushijin, David A. Horne

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 293 KB

english, 1992

3

Car☐ylation of saturated hydrocarbons by gif systems (Fe0/CO/O2, and CU0/CO/O2 in pyridine-acetic acid)

Derek H.R. Barton, Eva Csuhai, Dari´o Doller

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 275 KB

english, 1992

4

Cymathere ethers A and B: Bicyclic oxylipins from the marine brown alga Cymathere triplicata

Philip J. Proteau, William H. Gerwick

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 317 KB

english, 1992

5

Stereoselective conjugate additions of allyl silanes and enol silyl ethers to a chiral 2-substituted-2-cyclohexen-1-one

Arthur G. Schultz, Heesoon Lee

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 235 KB

english, 1992

6

2-Azonianorbornene-2-spiro-1′ -aziridinium triflate - a novel ethylene immonium ion equivalent: Application to a synthesis of physostigmine

Paul A. Grieco, William A. Carroll

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 193 KB

english, 1992

7

A force field model for the transition structures of intramolecular nitrile oxide cycloadditions

Frank K. Brown, Laura Raimondi, Yun-Dong Wu, K.N. Houk

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 217 KB

english, 1992

8

The “inside alkoxy effect” in intramolecular nitrile oxide cycloadditions: Ab initio and force field modeling

Laura Raimondi, Yun-Dong Wu, Frank K. Brown, K.N. Houka

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 201 KB

english, 1992

9

Diastereoselective formation of pyruvylated glycosides from partly protected sugars and methyl pyruvate

Thomas Ziegler, Elisabeth Eckhardt, Gerhard Herold

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 307 KB

english, 1992

10

A highly diastereofacial intramolecular Diels-Alder reaction of α,β - unsaturated carbene complexes to decalins

Gunnar Mu¨ller, Gerhard Jas

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 265 KB

english, 1992

11

Thioacylphosphinidene

G. Ma¨rkl, W. Ho¨lzl, A. Kallmu¨nzer, M.L. Ziegler, B. Nuber

Journal:

Tetrahedron Letters

Year:

1992

Language:

german

File:

PDF, 172 KB

german, 1992

12

Co(salen) catalyzed oxidation of 2,4,6-trisubstituted anilines with tert-butylhydroperoxide

Akira Nishinaga, Stefan Fo¨rster, Emerich Eichhorn, Bernd Speiser, Anton Rieker

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 285 KB

english, 1992

13

Electrochemistry of triazenes — 2. Formation of the 2,7-dimethoxy-5,10-dimethyl-5,10-dihydrophenazine radical cation during oxidation of 1,3-diaryl-3-methyltriazenes

Bernd Speiser, Hartmut Stahl

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 269 KB

english, 1992

14

Metallation of 2-phenylindolizine

Michel Renard, Jean Gubin

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 117 KB

english, 1992

15

Ionic liquids as solvents for the regioselective O-alkylation of C/O ambident nucleophiles.

Meryam Badri, Jean-Jacques Brunet, Robert Perron

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 233 KB

english, 1992

16

Organomanganese (II) reagents XXIII: Manganese-catalyzed acylation of organomagnesium compounds by car☐ylic acid chlorides

Ge´rard Cahiez, Blandine Laboue

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 254 KB

english, 1992

17

A rapid and efficient synthesis of imidazo [1,2-a] and 1,2,4-triazolo [4,3-a]-piperazine car☐ylic acids.

Gary A. McCort, Jean Claude Pascal

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 211 KB

english, 1992

18

A facile claisen rearrangement involving the transient tautomeric enamine forms of α-allyloxy and α-propargyloxyimines

Didier Desmae¨le, Nicolas Champion

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 285 KB

english, 1992

19

Phosphine-boranes in synthesis. Borane as an efficient protecting group in the preparation of functionalized phosphines.

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 83 KB

english, 1992

20

Synthesis of a potential “suicide substrate” of the HIV-1 protease, incorporating A 3-acetoxy-Δ-4,5-(L)-pipecolic acid as proline substitute.

Jean-Paul Mazaleyrat, Isabelle Rage, Juan Xie, Jaroslav Savrda, Michel Wakselman

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 323 KB

english, 1992

21

Delta-pyrone`ne : Epoxydation se´lective et acce`s aux cyclocitrals

D. Serramedan, F. Marc, M. Pereyre, C. Filliatre, P. Chabarde`s, B. Delmond

Journal:

Tetrahedron Letters

Year:

1992

File:

PDF, 215 KB

1992

22

Extremely powerful chiral auxiliaries: Enantiomeric [4+2] cycloadducts of 2-oxazolone and 9,10-dimethylanthracene

Koreichi Kimura, Kazutaka Murata, Keiko Otsuka, Tadao Ishizuka, Mamoru Haratake, Takehisa Kunieda

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 233 KB

english, 1992

23

Palladium-catalyzed iminocarbonylative cross-coupling reaction between haloarenes, t-BuNC, and 9-alkyl-9-BBN derivatives. Synthesis of alkyl aryl ketones

Tatsuo Ishiyama, Takayuki Oh-e, Norio Miyaura, Akira Suzuki

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 227 KB

english, 1992

24

Zirconium-mediated diastereoselective coupling reactions of chiral aldimine: Remarkable temperature-dependence of chiral induction

Hisanaka Ito, Takeo Taguchi, Yuji Hanzawa

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 288 KB

english, 1992

25

A new stereocontrolled synthesis of diequatorial furofuran lignans having two different aryl groups: A synthesis of methyl piperitol

Tsuyoshi Ogiku, Shin-ichi Yoshida, Masami Takahashi, Tooru Kuroda, Hiroshi Ohmizu, Tameo Iwasaki

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 254 KB

english, 1992

26

A new stereocontrolled synthesis of axial-equatorial furofuran lignans having two different aryl groups: A synthesis of Fargesin

Tsuyoshi Ogiku, Shin-ichi Yoshida, Masami Takahashi, Tooru Kuroda, Hiroshi Ohmizu, Tameo Iwasaki

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 135 KB

english, 1992

27

Accurate determination of the extent to which an SE2′ reaction of an allylsilane is anti

Michael J.C. Buckle, Ian Fleming, Salvador Gil

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 122 KB

english, 1992

28

Decomposition of 2-diazo-1,3-diketones: Stereocontrol of the mechanism.

Valerij A. Nikolaev, Vladimir V. Popik

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 247 KB

english, 1992

29

Novel L-Phe-Gly mimetics

Li Yi-Lin, Kristina Luthman, Uli Hacksell

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 263 KB

english, 1992

30

A simple and general entry to Aplysinopsine- type alkaloids by tandem Aza-Wittig/heterocumulene-mediated annelation.

Pedro Molina, Pilar M. Fresneda, Pedro Almendros

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 259 KB

english, 1992

31

New and efficient procedures for the synthesis of stereodefined 2-(hetero)aryl and 2-methyl substituted alkyl 2-alkenoates having very high stereoisomeric purity

Renzo Rossi, Adriano Carpita, Paolo Cossi

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 253 KB

english, 1992

32

Generation and cycloaddition reactions of the 1,2,3-triazole analogue of o-quinodimethane

George E. Mertzanos, Julia Stephanidou-Stephanatou, Constantinos A. Tsoleridis, Nicholas E. Alexandrou

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 102 KB

english, 1992

33

3R-Hydroxymuscarine from L-rhamnose without protection

Simon J. Mantell, Peter S. Ford, David J. Watkin, George W.J. Fleet, David Brown

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 267 KB

english, 1992

34

Unusual KF/Al2O3 promoted tandem electrophilic-nucleophilic aromatic substitution leading to the xanthone formation

Marcel Patek, Michal Lebl, Milos Budesinsky

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 144 KB

english, 1992

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