Volume 14; Issue 23

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Tetrahedron Letters
Volume 14; Issue 23

Tetrahedron Letters

Volume 14; Issue 23

1

Vinylic cations from solvolysis. XVI. High kcis/ktrans reactivity ratio in the solvolysis of α-bromo-β-tert-butyl-p-methoxystyrenes

Zvi Rappoport, Addy Pross, Yitzhak Apeloig

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 185 KB

english, 1973

2

Reduction de derives cyclopropaniques gem dihalogenes. I etude comparative des mécanismes de réactions faisant intervenir Bu3SnH et Na/DMSO

Par J. Hatem, B. Waegell

Journal:

Tetrahedron Letters

Year:

1973

File:

PDF, 216 KB

1973

3

Reduction de derives cyclopropaniques gem dihalogenes-II. Etude du mécanisme de la réaction faisant intervenir LiAlH4.

Par J. Hatem, B. Waegell

Journal:

Tetrahedron Letters

Year:

1973

File:

PDF, 186 KB

1973

4

Effet de structure sur les vitesses d'enolisation et sur l'orientation. preferentielle de l'enolisation en α et en α′ des cetones bicycliques α-halogenees

P. Metzger, A. Casadevall, E. Casadevall

Journal:

Tetrahedron Letters

Year:

1973

File:

PDF, 252 KB

1973

5

Thermische und katalytische umlagerung von 1-dimethylvinyliden-2-isopropyliden-3.3-dimethyl-cyclopropan

Gert Köbrich, Brigitte Rösner

Journal:

Tetrahedron Letters

Year:

1973

File:

PDF, 181 KB

1973

6

Zur nicht-klassischen stabilisierung in 2.3-diaza-7-norbornyl-kationen

W.W. Schoeller, M.E. Hendrick

Journal:

Tetrahedron Letters

Year:

1973

Language:

german

File:

PDF, 175 KB

german, 1973

7

Benzol-1.4-Bis(diphenylcyclopropenylium)-dikation

Theophil Eicher, Horst Berneth

Journal:

Tetrahedron Letters

Year:

1973

Language:

german

File:

PDF, 177 KB

german, 1973

8

Charakteristika diradikaler übergangszustände von sigmatropen umlagerungen : I. Geometrien und energiehyperplächen

Journal:

Tetrahedron Letters

Year:

1973

File:

PDF, 168 KB

1973

9

Charakteristika diradikaler übergangszustände von sigmatropen umlagerungen II. Elektronische aspekte

Journal:

Tetrahedron Letters

Year:

1973

Language:

german

File:

PDF, 131 KB

german, 1973

10

Synthese von 6-nitro-2-aminocapronsäure als verkapptes lysinderivat für peptidsynthesen

Ernst Bayer, Karlheinz Schmidt

Journal:

Tetrahedron Letters

Year:

1973

Language:

german

File:

PDF, 176 KB

german, 1973

11

Über pyrimidine , IX thieno-(4,3-d)-uracil aus 4-formyl-5-hydroxymethyl-uracil durch eine unerwartete ringschlussreaktion

D. Ziegler, R. Brossmer

Journal:

Tetrahedron Letters

Year:

1973

Language:

german

File:

PDF, 189 KB

german, 1973

12

Cycloadditionen des Tetrachlor-o-benzochinons mit bicyclischen olefinen

Willy Friedrichsen, Regine Epbinder

Journal:

Tetrahedron Letters

Year:

1973

Language:

german

File:

PDF, 191 KB

german, 1973

13

Untersuchungen über gespannte cyclische acetylene, V nachweis des 3,3,6,6-tetramethyl-1-oxacycloheptins

Adolf Krebs, Günther Burgdörfer

Journal:

Tetrahedron Letters

Year:

1973

Language:

german

File:

PDF, 95 KB

german, 1973

14

Isolierung von dehydronerolisovalerat aus anthemis montana l. (1).

Ferdinand Bohlmann, Hans Kapteyn

Journal:

Tetrahedron Letters

Year:

1973

File:

PDF, 71 KB

1973

15

A femo model of aromaticity. II. The kruszewski-krygowski index

William D. Hobey

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 184 KB

english, 1973

16

Reaction of lithium dialkylcuprates with β-acetoxy α,β-unsaturated carbonyl compounds—a new synthesis of substituted α,β-unsaturated carbonyl compounds.

Charles P. Casey, David F. Marten, Roger A. Boggs

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 166 KB

english, 1973

17

The nature of the vinylmethylenecyclopropane to methylenecyclopentene rearrangement

John C. Gilbert, David P. Higley

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 197 KB

english, 1973

18

Guaiol, a synthesis in which the C-10 center is induced stereospecifically

Niels H. Andersen, Hong-sun Uh

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 213 KB

english, 1973

19

Remote substituent effects on conformational ring flipping in [2.2]metaparacyclophanes.

Shelby A. Sherrod, Regina L. da Costa

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 218 KB

english, 1973

20

Synthesis and structure of basketene photodimer, C20H20

N.J. Jones, W.D. Deadman, E. LeGoff

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 96 KB

english, 1973

21

Formation of phenylpyridinium chloride from 5-anilino-N-phenyl-2,4-pentadienylideniminium chloride in acidic media

Elliot N. Marvell, Thomas H. Li, Chang Paik

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 185 KB

english, 1973

22

A new and unequivocal synthesis of isoxanthopterin-6-carboxylic acid (cyprino-pourpre B)

Edward C. Taylor, Riaz F. Abdulla

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 118 KB

english, 1973

23

Reactions of aromatic radical anions. X. Syntheses using a conveniently recoverable radical anion precursor

Shelton Bank, Matthew Platz

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 183 KB

english, 1973

24

1,2,4-Triazoline-3,5-dione - an elusive cyclic azo compound

John E. Herweh, Richard M. Fantazier

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 235 KB

english, 1973

25

Electron spin resonance study of charge transfer complexes of the galvinoxyl radical with electron acceptors

Gerald R. Stevenson, Rosario Concepción

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 200 KB

english, 1973

26

Structures of chaetoglobosin A and B, cytotoxic metabolites of chaetomium globosum

S. Sekita, K. Yoshihira, S. Natori, H. Kuwano

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 217 KB

english, 1973

27

Preparation and properties of diphenyl N-halosulfilimines

N. Furukawa, T. Yoshimura, S. Oae

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 209 KB

english, 1973

28

Thermal decomposition of methyl diazoacetate and azidoformate in vinyl sulfides. IV.

Wataru Ando, Hitoshi Fujii, Tetsuo Takeuchi, Hirofumi Higuchi, Yoshio Saiki, Toshihiko Migita

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 184 KB

english, 1973

29

A new synthesis of nitriles

Takahiro Saraie, Toshihiro Ishiguro, ]Kenya Kawashima, Katsura Morita

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 139 KB

english, 1973

30

Biosynthetic incorporation of emodin and emodinanthrone into the anthraquinonoids of Penicillium brunneum and P. islandicum

U. Sankawa, Y. Ebizuka, S. Shibata

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 237 KB

english, 1973

31

Biosynthesis of daphnilactone-B

Haruki Niwa, Yoshimasa Hirata, Kazuo T. Suzuki, Shosuke Yamamura

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 176 KB

english, 1973

32

The cycloaddition reaction of isonitriles (the reaction of isonitrile with diazoalkane)

Michihisa Muramatsu, Naruyoshi Obata, Takeo Takizawa

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 211 KB

english, 1973

33

The effect of Eu(DPM)3 on the nmr spectra of sulfhydryl compounds

Hiroshi Yanagawa, Tadahiro Kato, Yoshio Kitahara

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 205 KB

english, 1973

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