Volume 30; Issue 31

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Tetrahedron Letters
Volume 30; Issue 31

Tetrahedron Letters

Volume 30; Issue 31

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 485 KB

english, 1989

2

Electrosynthesis of γ-asarone

R.R. Vargas, V.L. Pardini, H. Viertler

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 175 KB

english, 1989

3

Beckmann fragmentation versus Beckmann rearrangement in dehydronorcamphor derivatives

Daniel G. VerHaeghe, Gregory S. Weber, Paul A. Pappalardo

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 235 KB

english, 1989

4

An intramolecular cycloaddition-sigmatropic rearrangement approach to (±) gascardic acid

Gervais Bérubé, Alex G. Fallis

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 312 KB

english, 1989

5

Intramolecular asymmetric tandem additions to chiral naphthyl oxazolines

A.I. Meyers, Giulia Licini

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 204 KB

english, 1989

6

An enantiodivergent approach to D- and L-erythrose via microbial oxidation of chlorobenzene

Tomas Hudlicky, Hector Luna, John D. Price, Fan Rulin

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 141 KB

english, 1989

7

The degenerate thermal rearrangement of 3,3-difluoromethylenecyclobutane.: The effect of gem-difluoro substituents on cyclobutane bond strength

William R. Dolbier Jr., Laura Cooke

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 244 KB

english, 1989

8

Photorearrangement of allyl diphenyl phosphate via possible type-II reaction and phosphoranyl 1,3-biradicals

David R. Anderson, Claudia N. Eley

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 147 KB

english, 1989

9

Alkylations of “enolates” generated from amino carbene complexes of chromium

William D. Wulff, Benjamin A. Anderson, Lyle D. Isaacs

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 254 KB

english, 1989

10

Electrophilic condensation of silyl ethers of homopropargyl alcohols with aldehydes -- regioselective synthesis of dihydropyrans

Tak-Hang Chan, Prabhat Arya

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 246 KB

english, 1989

11

A new synthesis of bis-aminoethanethiol (bat) chelating agents containing a gamma carboxylate

R.H. Mach, H.F. Kung, P. Jungwiwattanaporn, Y.-Z. Guo

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 237 KB

english, 1989

12

Construction of optically pure tryptophans from serine derived aziridine-2-carboxylates

Kazuo Sato, Alan P. Kozikowski

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 273 KB

english, 1989

13

Synthesis of AZA substituted polycycles via rhodium (II) carboxylate induced cyclization of diazoimides

Albert Padwa, Donald L. Hertzog, Richard L. Chinn

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 266 KB

english, 1989

14

A mild four-carbon homologation of 4-formyl-azetidinones

Christina Bodurow, Michael A. Carr

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 215 KB

english, 1989

15

Palladium-mediated 2,6-dialkylation of N-benzilidine imines: Preparation of 2,6-dialkylbenzaldehydes

J. Stuart McCallum, John R. Gasdaska, Lanny S. Liebeskind, Samuel J. Tremont

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 255 KB

english, 1989

16

Regio- and diastereoselectivity of enol ether formation by 1,4-sigmatropic shifts of hydrogen in carbonyl ylides

Andrew C. Lottes, John A. Landgrebe, Kristin Larsen

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 222 KB

english, 1989

17

Catalyst dependent mechanistic paths in the reactions of ethyl diazoacetate with β-keto esters

Andrew C. Lottes, John A. Landgrebe, Kristin Larsen

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 208 KB

english, 1989

18

The first structurally confirmed saponin from solidago gigantea: structure elucidation by modern NMR techniques

G. Reznicek, J. Jurenitsch, G. Michl, E. Haslinger

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 245 KB

english, 1989

19

Synthesis of dimeric carbacyclin structures: Iloprost-11-iloprost-ester and iloprost-15-iloprostester

Jürgen Westermann, Michael Harre, Helmut Dahl

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 437 KB

english, 1989

20

Photoisomerisierung von tetrachlormethan in einer argon-matrix

Günther Maier, Hans Peter Reisenauer, Jiani Hu, B.Andes Hess Jr., Lawrence J. Schaad

Journal:

Tetrahedron Letters

Year:

1989

Language:

german

File:

PDF, 298 KB

german, 1989

21

Carbohydrates as chiral templates: Diastereoselective Ugi synthesis of (S)-amino acids using O-acylated D-arabinopyranosylamine as the auxiliary

Horst Kunz, Waldemar Pfrengle, Wilfried Sager

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 151 KB

english, 1989

22

Trifluorthioacetaldehyd

Bernhard Schuler, Wolfgang Sundermeyer

Journal:

Tetrahedron Letters

Year:

1989

File:

PDF, 123 KB

1989

23

A short access to iridoid precursors

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 181 KB

english, 1989

24

Sur une methode rapide de determination de la purete diastereoisomerique des adduits cyclopentadiene-esters alleniques chiraux

M. Bertrand, J.P. Zahra

Journal:

Tetrahedron Letters

Year:

1989

File:

PDF, 211 KB

1989

25

Anion receptor molecules : Synthesis of an octaaza-cryptand and structure of its fluoride cryptate

Bernard Dietrich, Jean-Marie Lehn, Jean Guilhem, Claudine Pascard

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 303 KB

english, 1989

26

Aminium radical salt catalyzed desulphurization of thiiranes: An efficient preparation of arylsubstituted olefins

Masaki Kamata, Kazuyuki Murayama, Tsutomu Miyashi

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 195 KB

english, 1989

27

The reactivity of superoxide: A potent oxidant generated in situ from superoxide and CO2

Hiroshi Yamamoto, Tadahiko Mashino, Tetsuo Nagano, Masaaki Hirobe

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 272 KB

english, 1989

28

Ruthenium complex catalyzed benzylation of arenes with benzyl formates; decarbonylation and decarboxylation of alkyl formates

Teruyuki Kondo, Supawan Tantayanon, Yasushi Tsuji, Yoshihisa Watanabe

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 231 KB

english, 1989

29

General entry to the synthesis of optically active diterpenoids of C-20β series

Manabu Node, Xiao-jiang Hao, Hideko Nagasawa, Kaoru Fuji

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 209 KB

english, 1989

30

Conversion of 2′-hydroxychalcones to flavanones catalyzed by cobalt Schiff base complex

Kazushige Maruyama, Kimihiro Tamanaka, Akira Nishinaga, Akira Inada, Tsutomu Nakanishi

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 224 KB

english, 1989

31

Aragupetrosine a, a new vasodilative macrocyclic quinolizidine alkaloid from an Okinawan marine sponge Xestospongia sp

Motomasa Kobayashi, Kazuyoshi Kawazoe, Isao Kitagawa

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 265 KB

english, 1989

32

Highly nucleophilic tributyltin azide in oxirane ring cleavage leading to 1,2-azido alcohol

Seiki Saito, Shuhei Yamashita, Toshiya Nishikawa, Yoshie Yokoyama, Masami Inaba, Toshio Moriwake

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 212 KB

english, 1989

33

[2,3]-Wittig rearrangement on carbohydrate template. Novel approach to chiral synthesis of 3-alkylmalic acids

Katsumi Kakinuma, Hui-Yin Li

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 239 KB

english, 1989

34

Electroreductive “Barbier Type” allylation of imines with a combination of a Pb(0)/Pb(II) redox mediator and sacrificial anode (Al)

Hideo Tanaka, Takao Nakahara, Hamid Dhimane, Sigeru Torii

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 210 KB

english, 1989

35

1,5-dihydro-3H-2,4-benzodioxepine as a novel carbonyl protecting group

Nobuo Machinaga, Chihiro Kibayashi

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 245 KB

english, 1989

36

Asymmetric Michael-type alkylation of chiral imines. Enantioselective syntheses of (−)-geosmin and two other related natural terpenes, as well as enant-(+)-geosmin

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 217 KB

english, 1989