Volume 45; Issue 20

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Tetrahedron
Volume 45; Issue 20

Tetrahedron

Volume 45; Issue 20

1

Graphical abstracts

Journal:

Year:

1989

Language:

english

File:

PDF, 297 KB

english, 1989

2

Muramylpeptides and lipopeptides: Studies towards immunostimulants

Journal:

Year:

1989

Language:

english

File:

PDF, 2.17 MB

english, 1989

3

Total synthesis of (±)-11-O-methyl-caesalpin J and its C-13 epimer

Gábor Blaskó, Geoffrey A. Cordell

Journal:

Year:

1989

Language:

english

File:

PDF, 377 KB

english, 1989

4

Synthesis and properties of N-aminoguanines

Kohfuku Kohda, Moriyoshi Yasuda, Hiroshi Ukai, Kunihisa Baba, Yuriko Yamagata, Yutaka Kawazoe

Journal:

Year:

1989

Language:

english

File:

PDF, 538 KB

english, 1989

5

A new efficient synthesis of imidazolinones and quinazolinone by intramolecular aza-Wittig reaction

Hisato Takeuchi, Satoshi Hagiwara, Shoji Eguchi

Journal:

Year:

1989

Language:

english

File:

PDF, 615 KB

english, 1989

6

Regio and stereoselective preparation of substituted cyclopentanones from cyclohexenones utilizing trimethylstannyllithium as a key reagent

Tadashi Sato, Toshiyuki Watanabe, Toshihiro Hayata, Toru Tsukui

Journal:

Year:

1989

Language:

english

File:

PDF, 460 KB

english, 1989

7

Regioselective synthesis of ring a polymethylated steroids in the androstane series

Hermann Künzer, Gerhard Sauer, Rudolf Wiechert

Journal:

Year:

1989

Language:

english

File:

PDF, 1.12 MB

english, 1989

8

First reactions of vinylindoles with diethyl mesoxalate, nitrosobenzene, and chlorosulfonyl isocyanate: New functionalized and [b]annellated indoles

Ulf Pindur, Myung-Hwa Kim

Journal:

Year:

1989

Language:

english

File:

PDF, 803 KB

english, 1989

9

Synthese directe d'indoles anti-hypertensifs

L.Gerardo Zepeda, Mirna Rojas-Gardida, Martha S. Morales-Rios, Pedro Joseph-Nathan

Journal:

Year:

1989

File:

PDF, 729 KB

1989

10

Prelog-Djerassi lactone. Preparation of the grieco intermediate from (−)-trans-pulegenic acid.

Salih Hacini, Maurice Santelli

Journal:

Year:

1989

Language:

english

File:

PDF, 392 KB

english, 1989

11

Synthesis of N-acridinyl and N-quinolinyl derivatives of radioprotective amino-thiols

Patrice Demonchaux, Ali Laayoun, Martine Demeunynck, Jean Lhomme

Journal:

Year:

1989

Language:

english

File:

PDF, 763 KB

english, 1989

12

Defluoration photoreductive d'esters d'acides perfluores: Synthese d'hydro-2 perfluoroalcanoates d'alkyle

C. Portella, M. Iznaden

Journal:

Year:

1989

File:

PDF, 865 KB

1989

13

New sterpurane sesquiterpenoid from the mediterranean Alcyonum acaule: Structure of 3-acetoxy-sterpurene

G. Cimino, A. De Giulio, S. De Rosa, S. De Stefano

Journal:

Year:

1989

Language:

english

File:

PDF, 317 KB

english, 1989

14

Reactivity of 3-alkynylthio-1-ethyl-1,2-4-triazinium salts in intramolecular Diels-Alder reactions

Valery N. Charushin, Beb van Veldhuizen, Henk C. van der Plas, Casper H. Stam

Journal:

Year:

1989

Language:

english

File:

PDF, 784 KB

english, 1989

15

Intramolecular Diels-Alder reactions of quaternary pyrazinium salts and protonated pyrazinium cations. Synthesis of annelated pyridinium salts and annelated pyridines.

Bart Geurtsen, Dick A. de Bie, Henk C. van der Plas

Journal:

Year:

1989

Language:

english

File:

PDF, 807 KB

english, 1989

16

Diels-Alder cycloadditions of 1,4-diaza-1,3-butadienes: A MNDO investigation

F. Orsini, G. Sala

Journal:

Year:

1989

Language:

english

File:

PDF, 337 KB

english, 1989

17

A unique trimolecular michael reaction and cyclization

Mohammad M. Al-Arab, Bader S. Ghanem, Alan O. Fitton

Journal:

Year:

1989

Language:

english

File:

PDF, 518 KB

english, 1989

18

Pyrrole derivatives from α-ketoaldehydes

Arturo San Feliciano, Esther Caballero, Juan A.P. Pereira, Pilar Puebla

Journal:

Year:

1989

Language:

english

File:

PDF, 638 KB

english, 1989

19

Acyl radical cyclizations in synthesis. Part 1. Substituent effects on the mode and efficiency of cyclization of 6-heptenoyl radicals

David Crich, Fortt M. Simon

Journal:

Year:

1989

Language:

english

File:

PDF, 923 KB

english, 1989

20

Stereocontrolled synthesis of both the enantiomers of phaseic acid and its methyl ester, a pivotal metabolite of abscisic acid

Takeshi Kitahara, Kazushige Touhara, Hidenori Watanabe, Kenji Mori

Journal:

Year:

1989

Language:

english

File:

PDF, 976 KB

english, 1989

21

Bromine induced autoxidation and bromination studies of chlorinated norbornenes

Gopalpur Nagendrappa

Journal:

Year:

1989

Language:

english

File:

PDF, 856 KB

english, 1989

22

Intramolecular Diels-Alder reactions of pyrimidines: Synthesis of tricyclic annelated pyridines.

W.A.W. Stolle, A.T.M. Marcelis, A. Koetsier, H.C. van der Plas

Journal:

Year:

1989

Language:

english

File:

PDF, 554 KB

english, 1989

23

Conformations and charges distributions in 1,2-dinitrosoethylene and furoxan: 2.-ab initio electrostatic potentials and relative bond strengths

Enrique Sedano, Cecilia Sarasola, Jesus M. Ugalde

Journal:

Year:

1989

Language:

english

File:

PDF, 562 KB

english, 1989

24

Reaction of adenine nucleosides, tosylated in the carbohydrate moiety, with lithium triethylborohydride

Journal:

Year:

1989

Language:

english

File:

PDF, 1.08 MB

english, 1989

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