Volume 46; Issue 15

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Tetrahedron
Volume 46; Issue 15

Tetrahedron

Volume 46; Issue 15

1

Corrigendum

Journal:

Year:

1990

File:

PDF, 19 KB

1990

2

New bioactive heptenes from melodorum fruticosum (annonaceae)

J.H. Jung, S. Pummangura, C. Chaichantipyuth, C. Patarapanich, P.E. Fanwick, Ching-Jer Chang, J.L. Mclaughlin

Journal:

Year:

1990

Language:

english

File:

PDF, 813 KB

english, 1990

3

Deuteration of pyridine derivatives: A very mild procedure

George M. Rubottom, Eric J. Evain

Journal:

Year:

1990

Language:

english

File:

PDF, 494 KB

english, 1990

4

Total synthesis of (-)-isoavenaciolide and (-)-ethisolide

Andrew G.H. Wee

Journal:

Year:

1990

Language:

english

File:

PDF, 819 KB

english, 1990

5

Unusual behavior of 34:10,11-bis(2',3'-quinolino)tricyclo-[6.3.0.02,6] undecane upon attempted monoprotonation with triflic acid

Alan P. Marchand, Pendri Annapurna, Richard W. Taylor, Don L. Simmons, William H. Watson, Ante Nagl, Judith L. Flippen-Anderson, Richard Gilardi, Clifford George

Journal:

Year:

1990

Language:

english

File:

PDF, 426 KB

english, 1990

6

Synthesis of (+-)-pa 22-vii, the racemate of the rearrangement product of persoons's periplanone-A

Kenji Mori, Yasuhiro Igarashi

Journal:

Year:

1990

Language:

english

File:

PDF, 839 KB

english, 1990

7

Total synthesis of indole alkaloid pendolmycin

Kazuaki Okabe, Hideaki Muratake, Mitsutaka Natsume

Journal:

Year:

1990

Language:

english

File:

PDF, 695 KB

english, 1990

8

Ampelopsins A, B and C, new oligostilbenes of ampelopsis Brevipedunculata VAR. Hancei

Yoshiteru Oshima, Yuji Ueno, Hiroshi Hikino, Yang Ling-Ling, Yen Kun-Ying

Journal:

Year:

1990

Language:

english

File:

PDF, 360 KB

english, 1990

9

Synthesis of the repeating unit of the capsular antigen of Neisseria meningitidis serogroup H

Karl-Heinz Metten, Peter Welzel

Journal:

Year:

1990

Language:

english

File:

PDF, 647 KB

english, 1990

10

Action de derives lithies d'oximes, de N,N-dimethylhydrazones et de dithianes-1,3 sur les 2H - azirines

Ridha Ben Cheikh, Nabiha Bouzouita, Habib Ghabi, Refaat Chaabouni

Journal:

Year:

1990

File:

PDF, 554 KB

1990

11

Alkylation of potassium acetate in “dry media” thermal activation in commercial microwave ovens

Georges Bram, André Loupy, Mustapha Majdoub, Elvira Gutierrez, Eduardo Ruiz-Hitzsky

Journal:

Year:

1990

Language:

english

File:

PDF, 541 KB

english, 1990

12

Crotocorylifuran and crotohaumanoxide, new diterpenes from Croton Haumanianus J. Leonard

Laurent Tchissambou, Angéle Chiaroni, Claude Riche, Françoise Khuong-Huu

Journal:

Year:

1990

Language:

english

File:

PDF, 230 KB

english, 1990

13

Synthesis and resolution of dhcga, a new conformationally rigid 3,4-dehydroglutamic acid analogue

François Trigalo, Francine Acher, Robert Azerad

Journal:

Year:

1990

Language:

english

File:

PDF, 714 KB

english, 1990

14

gem-Difluorocyclopropanes: an improved method for their preparation

Yves Bessard, Ulrich Müller, Manfred Schlosser

Journal:

Year:

1990

Language:

english

File:

PDF, 602 KB

english, 1990

15

The action of sodium hydrogen telluride on olefins

Derek H.R. Barton, Luis Bohé, Xavier Lusinchi

Journal:

Year:

1990

Language:

english

File:

PDF, 821 KB

english, 1990

16

Sulphonyl radical addition to non-conjugated dienes regio- and stereoselective cyclizations

I. De Riggi, J-M. Surzur, M.P. Bertrand, A. Archavlis, R. Faure

Journal:

Year:

1990

Language:

english

File:

PDF, 645 KB

english, 1990

17

Synthese d'acetoacetaldehydes mono- et di-substitues par des chaines fonctionnalisees

Dominique Cartlíer, Jean Lévy

Journal:

Year:

1990

File:

PDF, 571 KB

1990

18

Addition of 1-acetoxy- and 1-trimethylsilyloxy-buta-1,3-dienes withα -oxo esters; ene and diels-alder reactions

Osman Achmatowicz, Ewa Blalecka-Flor Ja.nczyk

Journal:

Year:

1990

Language:

english

File:

PDF, 483 KB

english, 1990

19

Kinetics of the alkaline hydrolysis of several n-benzyloxycarbonyldipeptide methyl and ethyl esters

D.A. Hoogwater, M. Peereboom

Journal:

Year:

1990

Language:

english

File:

PDF, 517 KB

english, 1990

20

C-alkylation of β diketones with benzylpyridinium salts. Evidence for chain radical mechanisms

Jorge Marquet, Marcial Moreno-Mañas, Pedro Pacheco, Maria Prat, Alan R. Katritzky, Bogumil Brycki

Journal:

Year:

1990

Language:

english

File:

PDF, 794 KB

english, 1990

21

Transformation of compounds containing c-n bonds on heterogeneous catalysts-7. The stereochemistry of the dehydrogenation of 2-alkyl-3-dimethylamino-1-phenylpropan-1-ols

G. Sirokmán, F. Lukács, Á. Molnár, M. Bartók

Journal:

Year:

1990

Language:

english

File:

PDF, 319 KB

english, 1990

22

Conformations and rotation of iso-propyl groups attached to the same saturated carbon centre. A dynamic N.M.R. and molecular mechanics study of 1,1,1-tris-iso-propylethane, di- iso-propyl-tert-butylmethane and 1,1-di-iso-propyl-tert-butylethane

J.E. Anderson, B.R. Bettels

Journal:

Year:

1990

Language:

english

File:

PDF, 672 KB

english, 1990

23

Synthesis of an N-mustard prodrug

John Mann, Margret Haase-Held, Caroline J. Springer, Kenneth D. Bagshawe

Journal:

Year:

1990

Language:

english

File:

PDF, 321 KB

english, 1990

24

Intramolecular condensation of steroidal 17α-formyl 17β-acetates: synthesis of 14-functionalised 17-spirolactones

James R Bull, Lynne M Steer, Jan L M Dillen

Journal:

Year:

1990

Language:

english

File:

PDF, 787 KB

english, 1990

25

Synthesis and gas chromatographicseparation of the eight sterioisomers of diprionol and their acetates, components of the sex pheromone of pine sawflies.

H.-E. Högberg, E. Hendenström, A.-B. Wassgren, M. Hijalmarsson, G. Bergström, J. Löfqvist, T. Norin

Journal:

Year:

1990

File:

PDF, 28 KB

1990

26

Holger erdtman 1902–1989

Professor Torbjörn Norin, Professor D.H.R. Barton

Journal:

Year:

1990

Language:

english

File:

PDF, 211 KB

english, 1990

27

Graphical Abstracts

Journal:

Year:

1990

Language:

english

File:

PDF, 629 KB

english, 1990

28

Asymmetric synthesis of lignans

Journal:

Year:

1990

Language:

english

File:

PDF, 625 KB

english, 1990

29

Vicinal epoxymesylates: substrates for iterative organocuprate Chemistry

Mark J. Kurth, Melwyn A. Abreo

Journal:

Year:

1990

Language:

english

File:

PDF, 663 KB

english, 1990

30

A ring contraction of 6-alkoxy-2,3-dihydro-6h-pyran-3-ones to polyfunctionalized cyclopentenones

Hartmuth C. Kolb, H.Martin R. Hoffmann

Journal:

Year:

1990

Language:

english

File:

PDF, 1.02 MB

english, 1990

31

Semi-synthesis of A.23187 (calcimycin) analogs with 5-n-amino substituents. Their complexation of calcium and magnesium

Fouzia Samih, Michelle Prudhomme, Gérard Dauphin, Georges Jeminet

Journal:

Year:

1990

Language:

english

File:

PDF, 637 KB

english, 1990

32

Alcakloïdes monotérpéniques II : synthése stéréospécifique de la (±) Δ-7,7a 4aβh isotécomanine

J.L. Brayer, J.P. Alazard, C. Thal

Journal:

Year:

1990

File:

PDF, 687 KB

1990

33

gem-Difluorocyclopropanes carrying oxygen-functional substituents

Manfred Schlosser, Yves Bessard

Journal:

Year:

1990

Language:

english

File:

PDF, 665 KB

english, 1990

34

Ring opening of gem-dihalocyclopropanes: novel types of 1,4-elimination reactions

Yves Bessard, Ludwig Kuhlmann, Manfred Schlosser

Journal:

Year:

1990

Language:

english

File:

PDF, 498 KB

english, 1990

35

Electrochemically induced srn1 substitution in acetonitrile. Synthesis of arenes substituted by phenylseleno- and phenyltelluro groups

Chantal Degrand

Journal:

Year:

1990

Language:

english

File:

PDF, 754 KB

english, 1990

36

Unexpected routes to naphtoporphyrin derivatives

H.J. Callot, E. Schaeffer, R. Cromer, F. Metz

Journal:

Year:

1990

Language:

english

File:

PDF, 605 KB

english, 1990

37

Synthese de structures á carbone multifonctionnalise derivees de cyano-2 glycinates N-proteges

P. Hudhomme et, G. Duguay

Journal:

Year:

1990

File:

PDF, 847 KB

1990

38

Synthesis of high specific activity [3H2-1,2]-7-dehydrocholesterol. Conversion to ecdysone in follicle cells of locusta (Insects)

Dolle Frédéric, Kappler Christine, Hetru Charles, Rousseau Bernard, Coppo Michéle, Luu Bang, Jules A. Hoffmann

Journal:

Year:

1990

Language:

english

File:

PDF, 841 KB

english, 1990

39

Meta-chloroperbenzoic acid as a selective reagent for the removal of O-propenyl groups. Its use in the synthesis of some d-galactopyranoside and 4-deoxy-l-threo-4-hexenopyranoside derivatives

P.L. Barili, G. Berti, D. Bertozzi, G. Catelani, F. Colonna, T. Corsetti, F. D'Andrea

Journal:

Year:

1990

Language:

english

File:

PDF, 783 KB

english, 1990

40

Effect of micellar medium on photoannelation vs energy transfer in the system excited cyclohex-2-en-1-one-cyclopentadiene

M.Suresh Kumar, Jampani Madhusudana Rao

Journal:

Year:

1990

Language:

english

File:

PDF, 353 KB

english, 1990

41

Intramolecular condensation of steroidal 17α-formyl 17β-acetates: model studies on 19-norsteroids, and a route to 3-methoxy-19- nor-17α-pregna-1,3,5(10).Triene 21,17-carbolactone

James R Bull, Lynne M Steer

Journal:

Year:

1990

Language:

english

File:

PDF, 872 KB

english, 1990

42

Mulinic and isomulinic acids. Rearranged diterpenes with a new carbon skeleton from mulinum crassifolium

Luis A. Loyola, Glauco Morales, Benjamin Rodriguez, Jesús Jiménez-Barbero, Maria C.de la Torre, Aurea Perales, Maria R. Torres

Journal:

Year:

1990

Language:

english

File:

PDF, 474 KB

english, 1990

43

Selective sulfurization of olefins by 9,10-epidithio-9,10-dihydroanthracene: intermediacy of diatomic sulfur

Wataru Ando, Hideki Sonobe, Takeshi Akasaka

Journal:

Year:

1990

Language:

english

File:

PDF, 444 KB

english, 1990