Volume 24; Issue 3

Main
Tetrahedron
Volume 24; Issue 3

Tetrahedron

Volume 24; Issue 3

1

The Diels-Alder reaction between styrene and trans-trans hexa-2,4-diene

O. Korver, T.L. Kwa, C. Boelhouwer

Journal:

Year:

1968

Language:

english

File:

PDF, 369 KB

english, 1968

2

Kinetic und mechanismus der bildung von arylcyaniden aus 4-arylidenamino-1,2,4-triazolen

H.G.O. Becker, H. Hübner, H.-J. Timpe, M. Wahren

Journal:

Year:

1968

File:

PDF, 834 KB

1968

3

Additionsreaktionen der nitrosogruppe—IX : Die Diels-Alder-reaktion von 1-mono- BZW. 1,4-di-substituierten dienen mit nitrosoverbindungen

G. Kresze, J. Firl

Journal:

Year:

1968

Language:

german

File:

PDF, 478 KB

german, 1968

4

The mass spectra of substituted imides : Skeletal rearrangement on electron impact

C. Nolde, S.-O. Lawesson, J.H. Bowie, R.G. Cooks

Journal:

Year:

1968

Language:

english

File:

PDF, 606 KB

english, 1968

5

Über stabile ein-, zwei- und drei-wertige hydrazyle der cyankohlenstoffreihe

J. Bretschneider, K. Wallenfels

Journal:

Year:

1968

Language:

german

File:

PDF, 1.22 MB

german, 1968

6

Application of the pople-santry-segal CNDO method to the cyclopropylcarbinyl and cyclobutyl cation and to bicyclobutane

Journal:

Year:

1968

Language:

english

File:

PDF, 885 KB

english, 1968

7

Application de la methode L.C.A.O. a l'etude du mecanisme de l'hydrodimerisation de l'acrylonitrile et de quelques monomeres apparentes

M. Figeys, H.P. Figeys

Journal:

Year:

1968

File:

PDF, 580 KB

1968

8

The structure and stereochemistry of spergulagenic acid

P. Chakrabarti, D.K. Mukherjee, A.K. Barua, B.C. Das

Journal:

Year:

1968

Language:

english

File:

PDF, 301 KB

english, 1968

9

Triterpenoids—XXIX : The structure of barringtogenol B—A new triterpenoid sapogenin from Barringtonia acutangula Gaertn

A.K. Barua, S.P. Dutta, B.C. Das

Journal:

Year:

1968

Language:

english

File:

PDF, 450 KB

english, 1968

10

Narciclasine and narciprimine

F. Piozzi, C. Fuganti, R. Mondelli, G. Ceriotti

Journal:

Year:

1968

Language:

english

File:

PDF, 1.01 MB

english, 1968

11

Heterocyclic organoboron compounds—VII : Chelated bis-(1,3-diketonato)boronium salts with acetylacetone, benzoylacetone and dibenzoylmethane

A. Barabás, E. Işfan, M. Roman, M. Paraschiv, E. Romaş, A.T. Balaban

Journal:

Year:

1968

Language:

english

File:

PDF, 805 KB

english, 1968

12

Diborane as a reducing agent—II: The reduction of indole and pyrrole carbonyl derivatives

K.M. Biswas, A.H. Jackson

Journal:

Year:

1968

Language:

english

File:

PDF, 1.30 MB

english, 1968

13

The Kolbe electrolysis as a source of free radicals in solution—V : The electrolysis of potassium acetate in the presence of 3,3-dimethyl-1-butene

W.B. Smith, Y.Hyon Yuh

Journal:

Year:

1968

Language:

english

File:

PDF, 562 KB

english, 1968

14

Propriétés physico-chimiques de dérívés aromatiques pontés: [2,2], [2,2,2] et [2,2,2,2] metacyclophanes

R. Flammang, H.P. Figeys, R.H. Martin

Journal:

Year:

1968

File:

PDF, 924 KB

1968

15

The Michael reaction of enamines with nitroolefins

H. Feuer, A. Hirschfeld, E.D. Bergmann

Journal:

Year:

1968

Language:

english

File:

PDF, 353 KB

english, 1968

16

The synthesis of some 2,10-epoxypinanes

J.M. Coxon, E. Dansted, M.P. Hartshorn, K.E. Richards

Journal:

Year:

1968

Language:

english

File:

PDF, 341 KB

english, 1968

17

On the reaction of maleic and citraconic anhydrides with acetylacetone and with ethyl acetoacetate

E. Berner, P. Kolsaker

Journal:

Year:

1968

Language:

english

File:

PDF, 262 KB

english, 1968

18

Chemical investigations on putranjiva roxburghii : The structure of a new triterpene, putranjivadione

P. Sengupta, A.K. Chakraborty, A.M. Duffield, L.J. Durham, Carl Djerassi

Journal:

Year:

1968

Language:

english

File:

PDF, 617 KB

english, 1968

19

Double bond fixation in non-alternant π-electron systems

G. Binsch, E. Heilbronner

Journal:

Year:

1968

Language:

english

File:

PDF, 574 KB

english, 1968

20

Mycotoxins produced by Fusarium nivale (fries) cesati isolated from tall fescue (festuca arundinacea schreb.) : Synthesis of 4-acetamido-4-hydroxy-2-butenoic acid-γ-lactone

H.J. Burkhardt, R.E. Lundin, W.H. McFadden

Journal:

Year:

1968

Language:

english

File:

PDF, 368 KB

english, 1968

21

Optically active aromatic chromophores—IV : Circular dichroism studies of some open-chain systems

L. Verbit, P.J. Heffron

Journal:

Year:

1968

Language:

english

File:

PDF, 392 KB

english, 1968

22

Studies on lactams—VIII : The conformation of n-aryl lactams

M.S. Manhas, S. Jeng, A.K. Bose

Journal:

Year:

1968

Language:

english

File:

PDF, 563 KB

english, 1968

23

Methyl-d3 isotope effects and the origin of α-methyl substituent effects

K.L. Servis, S. Borčić, D.E. Sunko

Journal:

Year:

1968

Language:

english

File:

PDF, 459 KB

english, 1968

24

Anisatinic acid and isoanisatinic acid, isomerization products of anisatin

K. Yamada, S. Takada, Y. Hirata

Journal:

Year:

1968

Language:

english

File:

PDF, 887 KB

english, 1968

25

Facile acetylation of a tertiary hydroxyl group and an unusual deshielding phenomenon by an acetoxyl group in NMR spectra

K. Yamada, S. Takada, S. Nakamura, Y. Hirata

Journal:

Year:

1968

Language:

english

File:

PDF, 405 KB

english, 1968

26

Stereochemistry in the β-lactam series—III

J.L. Luche, H.B. Kagan, R. Parthasarathy, G. Tsoucaris, C. de Rango, C. Zelwer

Journal:

Year:

1968

Language:

english

File:

PDF, 470 KB

english, 1968

27

The absolute configuration of (+)-1-(3-trifluoromethylphenyl)-2-ethylamino propane [(+)-fenfluramine]

A.H. Beckett, L.G. Brookes

Journal:

Year:

1968

Language:

english

File:

PDF, 385 KB

english, 1968

28

Some derivatives of 5h-dibenz[b.f]azepine

E.D. Bergmann, M. Rabinovitz, A. Bromberg

Journal:

Year:

1968

Language:

english

File:

PDF, 319 KB

english, 1968

29

Oxidation with metal oxides—II : Oxidation of chalcone phenylhydrazones, pyrazolines, o-aminobenzylidine anils and o-hydroxy benzylidine anils with manganese dioxide

Ila Bhatnagar, M.V. George

Journal:

Year:

1968

Language:

english

File:

PDF, 397 KB

english, 1968

30

The assignment of configuration to the photoaddition products of unsymmetrical carbonyls to furan using pseudocontact shifts

E.B. Whipple, G.R. Evanega

Journal:

Year:

1968

Language:

english

File:

PDF, 848 KB

english, 1968

31

The decomposition of dibenzothiophene dioxide and related compounds in the presence of molten alkali

T.J. Wallace, B.N. Heimlich

Journal:

Year:

1968

Language:

english

File:

PDF, 834 KB

english, 1968

32

The structure of gentioflavine, a new alkaloid of some Gentiana species

N.L. Marekov, S.S. Popov

Journal:

Year:

1968

Language:

english

File:

PDF, 337 KB

english, 1968

33

Optically active amines—VIII : Optical rotatory dispersion observations on α- and β-arylalkylamines

H.E Smith, M.E. Warren Jr., L.I. Katzin

Journal:

Year:

1968

Language:

english

File:

PDF, 468 KB

english, 1968

34

New Metabolities of Gibberella Fujikuroi—XIV. : Gibberellin A16 Methyl Ester

Journal:

Year:

1968

Language:

english

File:

PDF, 180 KB

english, 1968

35

Bis(trifluoromethyl(Ketene—VIII : Reaction with unsaturated compounds

Yu.A. Cheburkov, N. Mukhamadaliev, I.L. Knunyants

Journal:

Year:

1968

Language:

english

File:

PDF, 1.16 MB

english, 1968

36

Diterpene—IV : Über eine epimerisierung der 6-hydroxygruppe am trisnor-labdangerüst im verlauf des sauer katalysierten ringschluss zu tricyclischen äthern

K. Bruns, W. Sandermann

Journal:

Year:

1968

Language:

german

File:

PDF, 339 KB

german, 1968

37

Reaktionen mit phosphororganischen verbindungen—XIV : Zur konstitution von γ-acylpropenylphosphoniumsalzen und deren oxydation mit derivaten der salpetrigen säure

E. Zbiral, L. Berner-Fenz

Journal:

Year:

1968

File:

PDF, 856 KB

1968

38

Triterpenoids—III : The structure of cyclamigenin B

R.Ó Dorchaí, J.B. Thomson

Journal:

Year:

1968

Language:

english

File:

PDF, 548 KB

english, 1968

39

Stereochemistry of electrophilic substitution of (+)-3-carene : Prins and Friedel-Crafts-acetylation reactions

P.J. Kropp, D.C. Heckert, T.J. Flautt

Journal:

Year:

1968

Language:

english

File:

PDF, 789 KB

english, 1968

40

Unsaturated Macrocyclic compounds—LII : The synthesis of 1,8-diethynylinaphthalene and its oxidation to a conjugated fourteen-membered ring system

R.H. Mitchell, F. Sondheimer

Journal:

Year:

1968

Language:

english

File:

PDF, 1.13 MB

english, 1968

41

Solvent effects in NMR Spectroscopy : Solvent shifts of methoxyl resonances in flavones induced by benzene; an aid to structure elucidation

R.G. Wilson, J.H. Bowie, Dudley H. Williams

Journal:

Year:

1968

Language:

english

File:

PDF, 393 KB

english, 1968

42

Mass spectrometry of aralkyl compounds with a functional group—III : Specific exchange between some hydrogen atoms in the molecular ion of γ-phenylpropanol

N.M.M. Nibbering, Th.J. de Boer

Journal:

Year:

1968

Language:

english

File:

PDF, 684 KB

english, 1968

43

Mass spectrometry of aralkyl compounds with a function group—IV : Specific exchange between the α- and Ortho-hydrogen atoms in the molecular ion of γ-phenylpropylbromide

N.M.M. Nibbering, Th.J. de Boer

Journal:

Year:

1968

Language:

english

File:

PDF, 539 KB

english, 1968

44

Mass spectrometry of Aralkyl compounds with a functional group—V : The cyanotropylium ion from benzylcyanide

N.M.M. Nibbering, Th.J. De Boer

Journal:

Year:

1968

Language:

english

File:

PDF, 333 KB

english, 1968

45

Axial and equatorial thiols—III : 17α and 17β-mercapto derivatives of androstane and androstan-3β-ol

D.A. Swann, J.H. Turnbull

Journal:

Year:

1968

Language:

english

File:

PDF, 255 KB

english, 1968

46

The reaction of isophorone dienamines with certain dienophiles

H. Nozaki, T. Yamaguti, S. Ueda, K. Kondô

Journal:

Year:

1968

Language:

english

File:

PDF, 561 KB

english, 1968

47

The chemistry of cryptopine—I : The epicryptopines.

S.F. Dyke, D.W. Brown

Journal:

Year:

1968

Language:

english

File:

PDF, 796 KB

english, 1968

48

1,2-dihydroisoquinolines—VII : New syntheses of avicine and nitidine derivatives

S.F. Dyke, M. Sainsbury, B.J. Moon

Journal:

Year:

1968

Language:

english

File:

PDF, 527 KB

english, 1968

49

Lignans of Ulmus thomasii heartwood—I : Thomasic acid

M.K. Seikel, F.D. Hostettler, D.B. Johnson

Journal:

Year:

1968

Language:

english

File:

PDF, 1.04 MB

english, 1968

50

Tetranortriterpenoids—IV : [Bicyclononanolides II] The constitution and stereochemistry of mexicanolide

J.D. Connolly, R. McCrindle, K.H. Overton

Journal:

Year:

1968

Language:

english

File:

PDF, 474 KB

english, 1968

51

Tetranortriterpenoids—V : [Bicyclononanolides III] the PMR spectrum of mexicanolide

J.D. Connolly, R. McCrindle, K.H. Overton

Journal:

Year:

1968

Language:

english

File:

PDF, 299 KB

english, 1968

52

Tetranortriterpenoids—VI : [Bicyclononanolides IV] swietenolide—the functional groups

T. Chakrabartty, J.D. Connolly, R. McCrindle, K.H. Overton, J.C.P. Schwarz

Journal:

Year:

1968

Language:

english

File:

PDF, 300 KB

english, 1968

53

Tetranortriterpenoids—VII : [Bicyclononanolides—V] the constitution and stereochemistry of swietenolide

J.D. Connolly, R. McCrindle, K.H. Overton, W.D.C. Warnock

Journal:

Year:

1968

Language:

english

File:

PDF, 575 KB

english, 1968

54

Tetranortriterpenoids—VIII : The constitution and stereochemistry of nimbin

M. Harris, R. Henderson, R. McCrindle, K.H. Overton, D.W. Turner

Journal:

Year:

1968

Language:

english

File:

PDF, 424 KB

english, 1968

55

Tetranortriterpenoids—IX : The constitution and stereochemistry of salannin

R. Henderson, R. McCrindle, A. Melera, K.H. Overton

Journal:

Year:

1968

Language:

english

File:

PDF, 290 KB

english, 1968

56

Diels-Alder adducts of dicyanoacetylene and their electronic spectra

R.C. Cookson, J. Dance, M. Godfrey

Journal:

Year:

1968

Language:

english

File:

PDF, 474 KB

english, 1968

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