Volume 31; Issue 44

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Tetrahedron Letters
Volume 31; Issue 44

Tetrahedron Letters

Volume 31; Issue 44

1

Graphical abstracts

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 832 KB

english, 1990

2

Net carbon atom loss from 5,6-(9′,10′-dihydro-9′,10′-anthraceno)-1,2,4,6-cycloheptatetraene

Timothy J. McCarthy, David C. Pang, Supanna Tivakornpannarai, Edward E. Waali

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 221 KB

english, 1990

3

A new mode of reactivity of N-methoxy-N-methylamides with strongly basic reagents

Samuel L. Graham, Thomas H. Scholz

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 276 KB

english, 1990

4

Effects of iodide ion and amines on the free radical alkylation of 1,4-enediones by alkylmercury halides

Glen A Russell, Hyo Kim Byeong

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 252 KB

english, 1990

5

Use of dicobalt hexacarbonyl-estabilized propargyl cations in intramolecular Friedel-Crafts alkylations

David D. Grove, Frank Miskevich, Chase C. Smith, James R. Corte

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 233 KB

english, 1990

6

The mechanism of fragmentation of alkyl α-(oxyimino)benzylphosphonates; use of silica gel as a novel hydroxylic trapping reactant for an intermediate alkyl metaphosphate.

Louis D. Quin, Xiao-Ping Wu, Eli Breuer, Mahmoud Mahajna

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 153 KB

english, 1990

7

N-iodosuccinimide mediated oxidative cleavage of vicinal, monoprotected diols

Chriss E. McDonald, Harald Holcomb, Todd Leathers, Francis Ampadu-Nyarko, James Frommer Jr.

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 257 KB

english, 1990

8

The thermodynamics of the formation of pyridinium ylides from carbienes

Joseph A. LaVilla, Joshua L. Goodman

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 256 KB

english, 1990

9

Bis(triphenylstanyl)telluride a mild and selective reagent for telluration and debromination

C.J. Li, David N. Harpp

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 203 KB

english, 1990

10

Nicotine synthase - an enzyme from nicotiana species which catalyzes the formation of (S)-nicotine from nicotinic acid and 1-methyl-δ'pyrrolinium chloride

J. Brent Friesen, Edward Leete

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 315 KB

english, 1990

11

Anomalous reactivity of mono substituted rhodium stabilized vinylcarbenoids

Huw M.L. Davies, Elie Saikali, T. Jeffrey Clark, Edwin H. Chee

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 265 KB

english, 1990

12

Catalysis of Diels-Alder reactions by metalloporphyrins

David W. Bartley, Thomas J. Kodadek

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 191 KB

english, 1990

13

Conformationally controlled reductions of 14-membered macrolides

Thomas H Keller, Larry Weiler

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 288 KB

english, 1990

14

A simple synthesis of γ and δ-keto α-amino acid derivatives

Norman Aubry, Raymond Plante, Robert Déziel

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 115 KB

english, 1990

15

A concise total synthesis of the aglycone of the gilvocarcins

Prashant P. Deshpande, Olivier R. Martin

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 283 KB

english, 1990

16

Synthesis of carbacephem antibiotics: synthesis via dieckmann reaction using phenyl esters to direct the regioselectivity of the cyclization

Bill G. Jackson, John P. Gardner, Perry C. Heath

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 165 KB

english, 1990

17

Stereospecific functionalization of (R)-(−)-1,1′-bi-2-naphthol triflate

Lilia Kurz, Gary Lee, David Morgans Jr., Michael Joe Waldyke, Timothy Ward

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 270 KB

english, 1990

18

Synthetic studies on paraherquamide: synthesis of the 2H-1,5. Benzodioxepin ring system

Robert M. Williams, Timothy D. Cushing

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 170 KB

1990

19

A versatile, efficient synthesis of (−)-(2S, 3R, 4S)-2-amino-1-cyclohexyl-3,4-dihydroxy-6-methylheptane, the abbott pseudodipeptidyl insert

John L. Wood, David R. Jones, Ralph Hirschmann, Amos B. Smith III

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 100 KB

1990

20

1- [tris-trimethylsilyl] methyl-4,4-diphenyl-1-arsabutatrien 2,4-diallenyl-1,3-diarsetan

G Märkl, S Reithinger

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 120 KB

1990

21

Separation and photoinduced transformations of the enantiomers of 3′,3′-dimethylspiro[2H-1-benzopyran-2,1′(2)oxaindans]

B. Stephan, A. Mannschreck, N.A. Voloshin, N.V. Volbushko, V.I. Minkin

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 198 KB

1990

22

Trifluoropyruvic and lactic thioamides from ethyl trifluoroacetoacetate

Christian Maliverney, Heinz G. Viehe

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 127 KB

1990

23

First phosphorus macrocycles incorporating tetrathiafulvalene (TTF) moieties

Meryam Badri, Jean Pierre Majoral, Frédéric Gonce, Anne-Marie Caminade, Marc Salle, Alain Gorgues

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 288 KB

english, 1990

24

Flexible aglycone residues in duplex DNA

Philippe Franqois, Didier Perilleux, Yves Kempener, Etienne Sonveaux

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 202 KB

1990

25

Cationic arenetricarbonylmanganese complexes : nucleophilic aromatic addition

F. Rose-Munch, K. Aniss

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 141 KB

1990

26

Synthese sur support solide de peptides comportant un residu aminoalcool C-terminal.

Gérard Molle, Jean-Yves Dugast

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 89 KB

1990

27

Efficient asymmetric synthesis of optically pure tertiary mono and diphosphine ligands

S. Juge, M. Stephan, J.A. Laffitte, J.P. Genet

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 203 KB

1990

28

The use of 2,6-anhydro-2-thio glycopyranosyl fluoride for a highly α-stereoselective glycosylation

Kazunobu Toshima, Satsuki Mukaiyama, Takashi Ishiyama, Kuniaki Tatsuta

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 89 KB

1990

29

Nucleoside 3′-N,N-dialkylphosphonamidates: novel building blocks for oligonucleotide synthesis

Takeshi Wada, Kazushige Ishikawa, Tsujiaki Hata

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 254 KB

english, 1990

30

Synthesis of erythronolide a via a very efficient macrolactonization under usual acylation conditions with the Yamaguchi reagent

Masataka Hikota, Youji Sakurai, Kiyoshi Horita, Osamu Yonemitsu

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 143 KB

1990

31

Formation of 1,2-dioxacyclohexanes by the reaction of alkenes with tris(2,4-pentanedionato)manganese(III) or with β-ketocarbonyl compounds in the presence of manganese(III) acetate

Shin-ichi Tategami, Takashi Yamada, Hiroshi Nishino, James D. Korp, Kazu Kurosawa

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 158 KB

1990

32

Chemical and electrochemical reduction of diselenide dication salt, 1,5-diselenoniabicyclo[3.3.0]Octane bis(hexafluorophosphate)

Hisashi Fujihara, Ryouichi Akaishi, Akiko Nakamura, Naomichi Furukawa

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 207 KB

1990

33

Yb(CN)3-catalyzed reaction of aziridines with cyanotrimethylsilane. A facile synthesis of optically pure β-amino nitriles

Seijiro Matsubara, Tomohiro Kodama, Kiitiro Utimoto

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 83 KB

1990

34

Remarkable difference of chemoselectivity in the reduction of α-bromo ketones with dibutyltin dihydride system

Ikuya Shibata, Kenji Nakamura, Akio Baba, Haruo Matsuda

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 147 KB

1990

35

Regioselective introduction of alkyl groups to the position α or γ to nitrogen atom of piperidine skeletons using anodic oxidation in a key step

Tatsuya Shono, Sun Terauchi, Yoshihisa Ohki, Yoshihiro Matsumura

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 95 KB

1990

36

An efficient preparation of the optically active γ -hydroxy stannanes using lipase-catalyzed hydrolysis

Toshiyuki Itoh, Tadataka Ohta, Mitsue Sano

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 317 KB

english, 1990

37

Triethylborane induced perfluoroalkylation of silyl enol ethers or germyl enol ethers with perfluoroalkyl iodides

Katsukiyo Miura, Masahiko Taniguchi, Kyoko Nozaki, Koichiro Oshima, Kiitiro Utimoto

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 150 KB

1990

38

Novel alkylation of aromatic nitriles via photo-induced electron transfer of group 14 metal-carbon σ donors

Soichiro Kyushin, Yukihiro Masuda, Kazuhiro Matsushita, Yasuhiro Nakadaira, Mamoru Ohashi

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 180 KB

english, 1990

39

Synthesis of optically active α-trimethylsilyl δα,β-butenolides and their conversion into various butenolides and saturated γ-lactones

Takayori Ito, Sentaro Okamoto, Fumie Sato

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 199 KB

english, 1990

40

Lipase-catalyzed irreversible transesterification using enol esters: XAD-8 immobilized lipoprotein lipase-catalyzed resolution of secondary alcohols

Shu-Hui Hsu, Shihn-Sheng Wu, Yi-Fong Wang, Chi-Huey Wong

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 199 KB

1990

41

A simple method for the preparation of optically active α -hydroxystannanes by the enantioselective hydrolysis using a lipase

Toshiyuki Itoh, Tadataka Ohta

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 109 KB

1990

42

Regiospecific synthesis of ether-bonded oligomers of haematoporphyrin IX and its relatives

Andrei F. Mironov, Alexander N. Nizhnik, Irina V. Deruzhenko, Raymond Bonnett

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 143 KB

1990

43

Synthesis of L and D α-amino acids from chiral amidals

Rosa Amoroso, Giuliana Cardillo, Claudia Tomasini

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 139 KB

1990

44

On the mechanism of the enantioselectivity in the dihydroxylation of alkenes by osmium tetraoxide-chiral ligand complexes.

Karl Anker Jøgensen

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 256 KB

english, 1990

45

Asymmetrized trils (hydroxymethyl)methane as a highly stereodivergent chiral building block: preparation of all four stereoisomers of protected 2-hydroxymethyl-1,3-butanediol

Giuseppe Guanti, Luca Banfi, Enrica Narisano

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 206 KB

1990

46

Addition of α-bromoesters to azetidine-2,3-diones promoted by zinc-trimethylchlorosilane: a general synthesis of 3-trimethyisilyloxyazetidin-2-ones and α-alkylidene β-lactams.

Claudio Palorno, Jesus M. Aizpurua, M. Concepción López, Natalia Aurrekoetxea, Mikel Oiarbide

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 212 KB

1990

47

Highly stereoselective synthesis of α-hydroxy β-amino acids through β-lactams: application to the synthesis of the taxol and bestatin side chains and related systems.

Claudio Palomo, Ana Arrieta, Fernando P. Cossío, Jesus M. Aizpurua, Antonia Mielgo, Natalia Aurrekoetxea

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 198 KB

1990

48

Regioselectivity in the formation of cyclic sulphones from 4- and 5-alkenesulphonyl chlorides

Peter N. Culshaw, John C. Walton

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 235 KB

english, 1990

49

Stereoselectivity of osmylation reactions: synthesis of gibberellins A78 and A79

Christine L Willis

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 150 KB

1990

50

Additive pummerer reactions of vinylic sulphoxides. Synthesis of γ-hydroxy-α,β-unsaturated esters and α-hydroxyketones

Donald Craig, Kevin Daniels, A.Roderick MacKenzie

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 285 KB

english, 1990

51

Synthesis of monocillin IV dimethyl ether

R.A. Kasr, R.D. Wakharkar, B. Chanda, N.R. Ayyangar

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 82 KB

1990

52

Radical-initiated tautomerization of azoethane to acetaldehyde-ethylhydrazone; Reactivity of the CH3CHNNC2H5 radical

Miklós Görgényi, László Seres

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 93 KB

1990