Volume 47; Issue 25

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Tetrahedron
Volume 47; Issue 25

Tetrahedron

Volume 47; Issue 25

1

Graphical abstracts

Journal:

Year:

1991

Language:

english

File:

PDF, 360 KB

english, 1991

2

Corrigendum

Journal:

Year:

1991

File:

PDF, 23 KB

1991

3

Proton and carbon-13 nmr studies of delpheline, 8,9-methylenedioxylappaconitine and dictyzine

Balawant S. Joshi, S.William Pelletier, Xiaolin Zhang, John K. Snyder

Journal:

Year:

1991

Language:

english

File:

PDF, 1.33 MB

english, 1991

4

In the blind spot of diffusion control: 2-fluoroallyl cations and their various possibilities for stabilization

Yvonne Bessiere, Yves Bessard, Takayuki Kotani, Manfred Schlosser

Journal:

Year:

1991

Language:

english

File:

PDF, 403 KB

english, 1991

5

Reduction of 5-uracilylmethylenepyridinium salts by thiols. A model of the reduction step of the thymidylate synthase reaction

Erwin Vega, Geertruida A. Rood, Eduard R. de Waard, Upendra K. Pandit

Journal:

Year:

1991

Language:

english

File:

PDF, 566 KB

english, 1991

6

Research on african medicinal plants -XXV- the (1R,2S) absolute configuration of nyasicoside. Its occurrence in curculigorecurvata.

Kusamba Chifundera, I. Messana, C. Galeffi, Y. De Vicente

Journal:

Year:

1991

Language:

english

File:

PDF, 319 KB

english, 1991

7

New antioxidants incorporating indole and indoline chromophores

David W Brown, Paul R Graupner, Malcolm Sainsbury, Howard G Shertzer

Journal:

Year:

1991

Language:

english

File:

PDF, 1.62 MB

english, 1991

8

Selective ortho-hydroxylation of phenols in copper (I) complexes

Francesco Chioccara, Patrizia Di Gennaro, Girolamo La Monica, Roberto Sebastiano, Bruno Rindone

Journal:

Year:

1991

Language:

english

File:

PDF, 338 KB

english, 1991

9

A new class of anthraquinone-anthrone-C-glycosides from asphodelus ramosus tubers.

Matteo Adinolfi, Rosa Lanzetta, Carmela Elsa Marciano, Michelangelo Parrilli, Alfonso De Giulio

Journal:

Year:

1991

Language:

english

File:

PDF, 394 KB

english, 1991

10

Biomimetic synthesis of 12-oxy-pimaranes from 12,13-epoxy-labdadienes

Alejandro F. Barrero, Quintana M. Rafael, Joaquin C. Altarejos

Journal:

Year:

1991

Language:

english

File:

PDF, 935 KB

english, 1991

11

Chain length dependent reactivity of 2-(ω-hydroxyalkyl)-4-(ω-hydroxyalkylamino)phthalazin-1(2h)-ones in azeotropic hydrobromic acid

A. CsXmpai, K. Körmendy, F. Ruff

Journal:

Year:

1991

Language:

english

File:

PDF, 545 KB

english, 1991

12

On the coupling reaction of 1-benzothiazolyl-2-aza-pentadienyl metals with C-electrophiles

Erbana Epifani, Saverio Florio, Daniela Perrone, Giovanni Valle

Journal:

Year:

1991

Language:

english

File:

PDF, 807 KB

english, 1991

13

X=Y-ZH systems as potential 1,3-dipoles. Part 32 generation of nitrones from oximes. Tandem Michael addition-1,3-dipolar cycloaddition reactions. Background and class 1 processes.

Ronald Grigg, Frances Heaney, Sivagnanasundram Surendrakumar, William J. Warnock

Journal:

Year:

1991

Language:

english

File:

PDF, 1.14 MB

english, 1991

14

Recent advances in dianion chemistry

Charles M. Thompson, Diana L.C. Green

Journal:

Year:

1991

Language:

english

File:

PDF, 3.21 MB

english, 1991

15

Regiospecific α-substitution of crotonic esters synthesis of naturally occurring derivatives of 6-ethyljuglone

Brigitte Caron, Paul Brassard

Journal:

Year:

1991

Language:

english

File:

PDF, 872 KB

english, 1991

16

The substitution of 5-halo-1,2,3-triazines with electrolytically generated superoxide

Takashi Itoh, Kazuhiro Nagata, Mamiko Okada, Hiroyuki Takahashi, Akio Ohsawa

Journal:

Year:

1991

Language:

english

File:

PDF, 439 KB

english, 1991

17

Syntheses of all possible conformational isomers of O-alkyl-p-t-butylcalix[4]arenes

Koji Iwamoto, Koji Araki, Seiji Shinkai

Journal:

Year:

1991

Language:

english

File:

PDF, 1.08 MB

english, 1991

18

Asymmetric synthesis of N-methyl-α-amino esters from a glyoxal derived chiral heterocycle

C. Agami, F. Couty, B. Prince, C. Puchot

Journal:

Year:

1991

Language:

english

File:

PDF, 927 KB

english, 1991

19

Synthesis of (−) 4,8β-dimethyl testolactone from (+) O-15-methyl isoagathate

A.Fernández Mateos, O.Ferrero Barrueco, J. de Pascual Teresa, R.Rubio González

Journal:

Year:

1991

Language:

english

File:

PDF, 431 KB

english, 1991

20

The synthesis of (−)-kessane, starting from natural (+)-aromadendrene-II

Henricus J.M. Gijsen, Joannes B.P.A. Wijnberg, Gerrit A. Stork, Aede de Groot

Journal:

Year:

1991

Language:

english

File:

PDF, 568 KB

english, 1991

21

8-aryl-2-azabicyclo[3.3.1]nonan-7-ones. Synthesis and retro-michael ring opening

Josep Bonjoch, Josefina Quirante, Daniel Solé, Josep Castells, Montserrat Galceran, Joan Bosch

Journal:

Year:

1991

Language:

english

File:

PDF, 887 KB

english, 1991

22

X=Y-ZH systems as potential 1,3-dipoles. Part 33. Generation of nitrones from oximes. Tandem Michael addition-1,3-dipolar cycloaddition reactions. Class 2 processes in which the dipolarophile is located within the oxime.

Paul Armstrong, Ronald Grigg, Frances Heaney, Sivagnanasundram Surendrakumar, William J Warnock

Journal:

Year:

1991

Language:

english

File:

PDF, 1.54 MB

english, 1991