Volume 24; Issue 6

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Tetrahedron
Volume 24; Issue 6

Tetrahedron

Volume 24; Issue 6

1

Organic quantum chemistry—XVI : A theoretical study of the structures and electronic spectra of cyclobutadiene and dimethylenecyclobutene

N.L. Allinger, C. Gilardeau, L.W. Chow

Journal:

Year:

1968

Language:

english

File:

PDF, 521 KB

english, 1968

2

Kinetics and mechanism of the reaction of 4(5)-formylimidazole with hydroxylamine

K. Brocklehurst, J.R. Griffiths

Journal:

Year:

1968

Language:

english

File:

PDF, 677 KB

english, 1968

3

Reaktionen mit phosphororganischen verbindungen—XV : Oxydationen von β-oxoalkylenphosphoranen mit KMnO4 und OsO4—eine neuartige synthese von 1,2-diketonen

E. Zbiral, M. Rasberger

Journal:

Year:

1968

Language:

german

File:

PDF, 418 KB

german, 1968

4

The molecular structure of trimethylenecyclopropane

E.A. Dorko, J.L. Hencher, S.H. Bauer

Journal:

Year:

1968

Language:

english

File:

PDF, 504 KB

english, 1968

5

Studies in the pinane series : The synthesis of (±) “orthodene”

A.W. Burgstahler, R.E. Sticker

Journal:

Year:

1968

Language:

english

File:

PDF, 653 KB

english, 1968

6

Total synthesis of the macrolide, zearalenone

D. Taub, N.N. Girotra, R.D. Hoffsommer, C.H. Kuo, H.L. Slates, S. Weber, N.L. Wendler

Journal:

Year:

1968

Language:

english

File:

PDF, 1.32 MB

english, 1968

7

The amaryllidaceae alkaloids : Absolute configurations of diastereoisomeric methiodides in the lycorine-type alkaloids

K. Kotera, Y. Hamada, R. Mitsui

Journal:

Year:

1968

Language:

english

File:

PDF, 1000 KB

english, 1968

8

The action of substituted formamides on phenylformylacetonitrile—I

A. Novelli, A.P.G.V. de Varela, J.D. Bonafede

Journal:

Year:

1968

Language:

english

File:

PDF, 323 KB

english, 1968

9

Proton magnetic resonance studies of compounds with bridgehead nitrogen atoms—IV : Configurational and conformational studies with methyl substituted 8-thia-1-azabicyclo [4.3.0] nonanes

T.A. Crabb, R.F. Newton

Journal:

Year:

1968

Language:

english

File:

PDF, 706 KB

english, 1968

10

The synthesis and lithium ammonia reduction of 7-methoxychroman

R.T. Blickenstaff, I.Y.C. Tao

Journal:

Year:

1968

Language:

english

File:

PDF, 305 KB

english, 1968

11

Proton magnetic resonance spectra of chelated boronium and beryllium bis-(1,3-diketonates)

A. Trestianu, H. Niculescu-Majewska, I. Bally, A. Barabás, A.T. Balaban

Journal:

Year:

1968

Language:

english

File:

PDF, 364 KB

english, 1968

12

Chemical graphs—V : Enumeration and proposed nomenclature of benzenoid cata-condensed polycyclic aromatic hydrocarbons

A.T. Balaban, F. Harary

Journal:

Year:

1968

Language:

english

File:

PDF, 616 KB

english, 1968

13

The reaction of 1-β-arylethyl-2-pyridones and of 2-β-arylethylisocarbostyrils with phosphorus oxychloride

D.W. Brown, S.F. Dyke, W.G.D. Lugton, A. Davis

Journal:

Year:

1968

Language:

english

File:

PDF, 591 KB

english, 1968

14

The chemistry of the tetracyclic diterpenoids—VII : Stereochemical studies in the fujenal series

J.R. Hanson, A.F. White

Journal:

Year:

1968

Language:

english

File:

PDF, 298 KB

english, 1968

15

The chemistry of the tetracyclic diterpenoids—VIII : The stereochemistry of atractylanic acid

J.H. Hanson, A.F. White

Journal:

Year:

1968

Language:

english

File:

PDF, 236 KB

english, 1968

16

The synthesis of oligoribonucleotides—V : The preparation of some dinucleotides and trinucleoside diphosphates

B.E. Griffin, C.B. Reese

Journal:

Year:

1968

Language:

english

File:

PDF, 1.04 MB

english, 1968

17

Dipolar addition versus oxygen transfer in the reaction of tetracyanoethylene oxide with unsaturated hydrocarbons

P. Brown, R.C. Cookson

Journal:

Year:

1968

Language:

english

File:

PDF, 969 KB

english, 1968

18

A self consistent field molecular orbital treatment of the reactivity of thiophene and the isomeric thienothiophenes

Journal:

Year:

1968

Language:

english

File:

PDF, 402 KB

english, 1968

19

A perturbational MO method applied to diels-alder reactions with unsymmetrical dienes and dienophiles : Prediction of the major product

J. Feuer, W.C. Herndon, L.H. Hall

Journal:

Year:

1968

Language:

english

File:

PDF, 562 KB

english, 1968

20

Studies of acyl isocyanate—IV : Synthesis of dioyl diisocyanates

O. Tsuge, T. Itoh, M. Tashiro

Journal:

Year:

1968

Language:

english

File:

PDF, 415 KB

english, 1968

21

Amino acids and peptides—II : Cyclodehydration of some tryptophan-dipeptides and their derivatives with polyphosphate ester

Y. Kanaoka, E. Sato, O. Yonemitsu

Journal:

Year:

1968

Language:

english

File:

PDF, 334 KB

english, 1968

22

Characteristic vibrational frequencies of Cyclic ketones

J.I. Brauman, V.W. Laurie

Journal:

Year:

1968

Language:

english

File:

PDF, 520 KB

english, 1968

23

Substituent effects on the rate of acid-catalyzed proton exchange of phenol in methanol

M.S. Puar, E. Grunwald

Journal:

Year:

1968

Language:

english

File:

PDF, 430 KB

english, 1968

24

A synthesis of 1-methyl, N2-alkylguanines

M.G. Tamari, J. Awruch

Journal:

Year:

1968

Language:

english

File:

PDF, 366 KB

english, 1968

25

Dalbergia Species—VI : The occurrence of melannein in the genus dalbergia

B.J. Donnelly, D.M.X. Donnelly, A.M. O'Sullivan

Journal:

Year:

1968

Language:

english

File:

PDF, 506 KB

english, 1968

26

Synthesis of pyridazine derivatives—XVI : Methyl substituted imidazo(1.2-b)pyridazines by synthesis and homolytic methylation

A. Pollak, B. Stanovnik, M. Tišler

Journal:

Year:

1968

Language:

english

File:

PDF, 489 KB

english, 1968

27

The structure of tuberostemonine

M. Götz, T. Bögri, A.H. Gray, G.M. Strunz

Journal:

Year:

1968

Language:

english

File:

PDF, 960 KB

english, 1968

28

Synthesis of a structurally definitive indole derived from tuberostemonine

Journal:

Year:

1968

Language:

english

File:

PDF, 545 KB

english, 1968

29

Anthocyanidins and related compounds—XII : Tetramethylleucocyanidin-phloroglucinol and resorcinol condensation products

L. Jurd, R. Lundin

Journal:

Year:

1968

Language:

english

File:

PDF, 528 KB

english, 1968

30

A self consistent field molecular orbital investigation of the importance of d orbital participation in the ground state of thiophene

Journal:

Year:

1968

Language:

english

File:

PDF, 785 KB

english, 1968

31

Chemical confirmation for the configurations assigned to the indole alkaloids, speciogynine, speciociliatine, mitraciliatine and hirsutine

W.F. Trager, J.D. Phillipson, A.H. Beckett

Journal:

Year:

1968

Language:

english

File:

PDF, 395 KB

english, 1968

32

Relais-synthesen von heterocyclen—II : Neue synthesen von 3-amino- und 3-hydrazino-pyridazinen

Heinz G.O. Becker, H. Böttcher

Journal:

Year:

1968

File:

PDF, 545 KB

1968

33

Chemical constitution and activity of bipyridylium herbicides—I : Diquaternary salts of 2,2t́-dipyridyl sulphide

Journal:

Year:

1968

Language:

english

File:

PDF, 289 KB

english, 1968

34

The nucleophilic substitution reactions in s-triazanic systems—I : Kinetics and mechanism of alkaline hydrolysis of the melamine

G. Ostrogovich, R. Bacaloglu, E. Fliegl

Journal:

Year:

1968

Language:

english

File:

PDF, 284 KB

english, 1968

35

Flechteninhaltsstoffe—XXXI : Massenspektrometrie und ihre anwendung auf strukturelle und streochemische probleme—CXXIII Massenspektrometrie von depsiden, depsidonen, depsonen, dibenzofuranen und diphenylbutadienen mit positiven und negativen ionen

S. Huneck, C. Djerassi, D. Becher, M. Barber, M. Von Ardenne, K. Steinfelder, R. Tümmler

Journal:

Year:

1968

Language:

german

File:

PDF, 1.92 MB

german, 1968

36

Triazoline photodecomposition : The preparation of aziridines

Journal:

Year:

1968

Language:

english

File:

PDF, 619 KB

english, 1968

37

The synthesis and chemistry of 3-pheynl-2-propynylmultiamines

Journal:

Year:

1968

Language:

english

File:

PDF, 346 KB

english, 1968

38

Proton magnetic resonance spectra of some peptide of l-leucine and glycine

A.F. Beecham, N.S. Ham

Journal:

Year:

1968

Language:

english

File:

PDF, 511 KB

english, 1968

39

Polyfluoroaryl organometallic compounds—VI : Some reactions of pentafluorophenyl- and ortho-bromotetrafluorophenyl-organometallic compounds

R.D. Chambers, J.A. Cunningham, D.A. Pyke

Journal:

Year:

1968

Language:

english

File:

PDF, 349 KB

english, 1968

40

Studies on C-nor-D-homosteroids—VIII : C-nor-D-homo-rearrangement of cholanic acid and its derivatives

H. Mitsuhashi, Y. Shimizu, N. Kawahara

Journal:

Year:

1968

Language:

english

File:

PDF, 393 KB

english, 1968

41

The synthesis and spectroscopic properties of some substituted and bridged biphenyls

E.J. Forbes, C.J. Gray

Journal:

Year:

1968

Language:

english

File:

PDF, 330 KB

english, 1968

42

Anthocyanidins and related compounds—XIV : Reductive dimerization of flavylium salts by metals

L. Jurd, A.C. Waiss Jr.

Journal:

Year:

1968

Language:

english

File:

PDF, 461 KB

english, 1968

43

Mass spectra of bis-1,3-dithiolanes and bis-1,3-dithianes : Fragmentation mechanisms and deuterium isotope effects

R.H. Shapiro, T.E. McEntee Jr., D.L. Coffen

Journal:

Year:

1968

Language:

english

File:

PDF, 444 KB

english, 1968

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