Volume 46; Issue 23

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Tetrahedron
Volume 46; Issue 23

Tetrahedron

Volume 46; Issue 23

1

Corrigendum: Brad K. Carte', Charles DeBrosse, Drake Eggleston, mark Hemling, Mary Mentzer, Benjamin Poehland, Nelson Troupe, John W. Westley and Sidney M. Hecht, Isolation and characterization of a presumed biosynthetic precursor of camptothecin from extracts of Camptotheca acuminata, Tetrahedron 1990, 46, 2747-2760.

Journal:

Year:

1990

File:

PDF, 34 KB

1990

2

Synthesis of (+)-biotin: efficient resolution of key intermediates

Ron Bihovsky, Veeraiah Bodepudi

Journal:

Year:

1990

Language:

english

File:

PDF, 661 KB

english, 1990

3

An efficient synthesis and mechanism of formation of 6-acetyl-1,2-dihydro-2-oxo-3-pyridinecarboxylic acid

Joseph P. Sanchez

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Year:

1990

Language:

english

File:

PDF, 341 KB

english, 1990

4

Hyrtiosins A and B, new indole alkaloids from the Okinawan marine sponge Hyrtios erecta

Jun'ichi Kobayashi, Tetsuya Murayama, Masami Ishibashi, Sumiko Kosuge, Masako Takamatsu, Yasushi Ohizumi, Hiroshi Kobayashi, Tomihisa Ohta, Shigeo Nozoe, Sasaki Takuma

Journal:

Year:

1990

Language:

english

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PDF, 342 KB

english, 1990

5

Synthesis of saframycins. V. Selenium oxide oxidation of hexahydro-1,5-imino-3-benzazocin-7,10-dione; a useful method for constructing saframycins C and D from saframycin B

Naoki Saito, Yoko Ōhira, Noriko Wada, Akinori Kubo

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Year:

1990

Language:

english

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PDF, 1.40 MB

english, 1990

6

Synthesewege zum vinylisocyanat

Karl-Heinz König

Journal:

Year:

1990

Language:

german

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PDF, 301 KB

german, 1990

7

2-Benzoylamino-5-diethnamino-1 ,6,6a λ4-triselena-3, 4-diazapentalen

R. Köhler, L. Beyer, M. Moll, A. Hantschmann, R. Richter, J. Sieler, R. Szargan, L. Weber, E. Hoyer

Journal:

Year:

1990

Language:

german

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PDF, 259 KB

german, 1990

8

Determination of the chiral purity of aminoalcohols by 1H NMR spectroscopy

Manfred Michalik, Christian Döbler

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Year:

1990

Language:

english

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PDF, 266 KB

english, 1990

9

Stereoselective synthesis of a new aldose reductase inhibitor-An extension of the bislactim ether method for the synthesis of amino acids

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Year:

1990

Language:

english

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PDF, 315 KB

english, 1990

10

Systemes bicycliques azotes. Synthese photochimique de 1-azabicyclo [n.2.0]alcanes fonctionnalises

Laila Ouazzani-Chadi, Jean-Charles Quirion, Yves Troin, Jean-Claude Gramain

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Year:

1990

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PDF, 1002 KB

1990

11

Formation de cyclopentanes lors de réactions de Heck

Guy Fournet, Geneviève Balme, Jacques Gore

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Year:

1990

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PDF, 700 KB

1990

12

Transposition du squelette aspidospermane par reaction de Polonovski-Potier

G. Lewin, J. Poisson, C. Schaeffer, J.P. Volland

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Year:

1990

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PDF, 709 KB

1990

13

An efficient synthesis of the Prelog-Djerassi lactone methyl ester from (-)-trans-pulegenic acid

Salih Hacini, Maurice Santelli

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Year:

1990

Language:

english

File:

PDF, 403 KB

english, 1990

14

Ring size preference in the intramolecular cyclisation of amines with esters. Synthesis of aminoacid derived hexahydropyrimidines and tetrahydroimidazoles

Richard Besse, Peter J. Garratt, Christopher J. Hobbs, Helen M. Rogers, A. Mannan Sueleiman, Christopher S.J. Walpole, Roger Wrigglesworth

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Year:

1990

Language:

english

File:

PDF, 509 KB

english, 1990

15

Synthesis of phenyl substituted cyclohexa-1,4-dienes and cyclohexa-2,5-dienones by anodic methoxylation of alkylbiphenyls

Isidoro Barba, Rafael Chinchilla, Cecilia Gómez

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Year:

1990

Language:

english

File:

PDF, 702 KB

english, 1990

16

Asymmetric Darzens condensation on chiral η6Cr(CO)3 complexed benzaldehydes

Clara Baldoli, Paola Del Buttero, Stefano Maiorana

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Year:

1990

Language:

english

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PDF, 427 KB

english, 1990

17

Solid-state conformations of four truxillic and truxinic diamides

Salvatore Caccamese, Frank R. Fronczek

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Year:

1990

Language:

english

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PDF, 463 KB

english, 1990

18

An unusual reaction of flavan-3-ols with acetone of relevance to the formation of the tetracyclic ring system in peltogynoids

Jan H. Van Der westhuizen, Jacobus A. Steenkamp, Daneel Ferreira

Journal:

Year:

1990

Language:

english

File:

PDF, 353 KB

english, 1990

19

Iminophosphorane-mediated synthesis of fused uracils. A faclle one-pot preparation of pyrimido[4,5-d]pyrimidine derivatives

Pedro Molina, Maria Jesús Vilaplana, Juana Pérez

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Year:

1990

Language:

english

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PDF, 724 KB

english, 1990

20

Preparation and catalytic hydrogenation of 1,2,4-oxadiazolo[4,5-a]indolines

E. Malamidou-Xenikaki, E. Coutouli-Argyropoulou

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Year:

1990

Language:

english

File:

PDF, 605 KB

english, 1990

21

Stereoselective total syntheses of (±)-18,19-dihydrohunterburnine, (±)-10-0-methyl-18, 19-dihydrohunterburnine, (±)-10-hydroxycorynatheidol and (±)-10-methoxycorynantheidol

Mauri Lounasmaa, Reija Jokela, Lasse-Pekka Tiainen

Journal:

Year:

1990

Language:

english

File:

PDF, 575 KB

english, 1990

22

A radical cyclisation reaction based strategy to 2,3,5-tri- and tetrasubstituted furans

A. Srikrishna, G. Sundarababu

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Year:

1990

Language:

english

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PDF, 558 KB

english, 1990

23

Synthesis of 2-(2-oxopyrrolidin-1-yl)-1,4-quinones and a hydrogen-bonded 2-alkylamino-1,4-naphthoquinone

Joseph P. Michael, Pier F. Cirillo, Louis Denner, Gladys D. Hosken, Arthur S. Howard, Owen S. Tinkler

Journal:

Year:

1990

Language:

english

File:

PDF, 737 KB

english, 1990

24

New oxygenated eudesmanolides from artemisia herba-alba

J. Alberto Marco, Juan F Sanz, Enrique Falcó, Jasmin Jakupovic, Johann Lex

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Year:

1990

Language:

english

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PDF, 833 KB

english, 1990

25

Solvent effect as the result of frontier molecular orbital interaction. V. Diels-Alder with heterodienophiles: a unified approach to the solvent effect of the Diels-Alder reactions

G. Desimoni, G. Faita, P.P. Righetti, L. Toma

Journal:

Year:

1990

Language:

english

File:

PDF, 1.01 MB

english, 1990

26

Further bioactive derivative of avarol from Dysidea avara

A. De Giulio, S. De Rosa, G. Di Vincenzo, G. Strazzullo

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Year:

1990

Language:

english

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PDF, 325 KB

english, 1990

27

SRN1C-arylation of potassium aryloxides by arylazo phenyl or tert- butyl sulfides in DMSO

Giovanni Petrillo, Marino Novi, Carlo Dell Erba, Cinzia Tavani, Giovanni Berta

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Year:

1990

Language:

english

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PDF, 749 KB

english, 1990

28

An unexpected pericyclic reaction between propiolic ester and a 2-vinyl benzofuran

P.Myshkin De Capite, Mohindar S. Puar, John M. Burke, Ralph T. Scannell, Robert Stevenson

Journal:

Year:

1990

Language:

english

File:

PDF, 266 KB

english, 1990

29

Hypoxanthine nucleoside counterparts of the antibiotic, cordycepin

Vasu Nair, Arthur G. Lyons

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Year:

1990

Language:

english

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PDF, 809 KB

english, 1990

30

An improved, practical synthesis of the derivatives of 1-O-acetyl-2- deoxy-2-hydroxymethyl-D-erythrooxetanose, a key sugar moiety for the synthesis of oxetanosyl-N-glycoside

Masashi Nagai, Kuniki Kato, Tomohisa Takita, Shigeru Nishiyama, Shousuke Yamamura

Journal:

Year:

1990

Language:

english

File:

PDF, 516 KB

english, 1990

31

Synthesis of 4-phosphono- and of 4-(phosphonomethyl)-dl-phenylalanine, two analogues of O-phosphotyrosine

Mireille Bayle-Lacoste, Jean Moulines, Noël Collignon, Abdelkader Boumekouez, Eliane de Tinguy-Moreaud, Eugéne Neuzil

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Year:

1990

Language:

english

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PDF, 744 KB

english, 1990

32

Benzophenone sensitized rearrangement of furylidentetralones

M. D'Auria, F. D'Onofrio, A. Vantaggi

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Year:

1990

Language:

english

File:

PDF, 498 KB

english, 1990

33

4-amino-6-methyl-2H-pyran-2-one. Preparation and reactions with aromatic aldehydes

Maria Cervera, Marcial Moreno-mañas, Roser Pleixats

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Year:

1990

Language:

english

File:

PDF, 492 KB

english, 1990

34

A novel one-pot synthesis of substituted 1,4-dihydropyridines and its application to total synthesis of the alkaloid isoalamarine from Alangium lamarckii Thw.

Uday Sankar Chowdhury

Journal:

Year:

1990

Language:

english

File:

PDF, 445 KB

english, 1990

35

Reaction of aldehydes with stabilized sulfur ylides. Highly stereoselective synthesis of 2,3-epoxy-amides

María Valpuesta Fernández, Patricia Durante-Lanes, Fidel J. López-Herrera

Journal:

Year:

1990

Language:

english

File:

PDF, 698 KB

english, 1990

36

A case of 2π+2π cycloaddition of two enolate ions at ambient temperature

Roger W. Alder, David Colclough, Frank Grams, A. Guy Orpen

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Year:

1990

Language:

english

File:

PDF, 563 KB

english, 1990

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