Volume 49; Issue 44

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Tetrahedron
Volume 49; Issue 44

Tetrahedron

Volume 49; Issue 44

1

Graphical abstracts

Journal:

Year:

1993

Language:

english

File:

PDF, 395 KB

english, 1993

2

“Cone” - “Partial-cone” Isomerism in Tetramethoxycalix[4]arenes. Influence of Solvent Polarity and Metal Ions

Koji Iwamoto, Atsushi Ikeda, Koji Araki, Takaaki Harada, Seiji Shinkai

Journal:

Year:

1993

Language:

english

File:

PDF, 624 KB

english, 1993

3

One step synthesis of heteropolycycles, indolizinoquinolizines by the reaction of either pyridylketene dithioacetal with pyridinium salt or pyridiniumketene dithioacetal with pyridylacetonitrile

Yoshiro Matsuda, Shizuki Ide, Kazuki Furuno, Takahiro Itou, Chieko Motokawa, Yasushige Chiyomaru

Journal:

Year:

1993

Language:

english

File:

PDF, 536 KB

english, 1993

4

[3+2]-cycloadditions of 1-Aza-2-azoniaallene cations to multiple bonds

Quanrui Wang, Atef Amer, Susanne Mohr, Eveline Ertel, Johannes C Jochims

Journal:

Year:

1993

Language:

english

File:

PDF, 1.05 MB

english, 1993

5

A facile access to substituted indeno[1,7-bc]furans

Karl-Heinz Pfoertner, Gerhard Englert, Peter Schoenholzer

Journal:

Year:

1993

Language:

english

File:

PDF, 448 KB

english, 1993

6

[1,5] hydrogen shift in aza-ortho-xylylenes generated from 3-alkyl-2,1-benzisothiazoline 2,2-dioxides.

Krzysztof Wojciechowski

Journal:

Year:

1993

Language:

english

File:

PDF, 556 KB

english, 1993

7

Synthesis of bridged bicyclic hydrazines via endocyclic N-acylhydrazonium intermediates: A novel route to the 1-Azatropane skeleton

Floris P.J.T Rutjes, Henk Hiemstra, Frank O.H Pirrung, W.Nico Speckamp

Journal:

Year:

1993

Language:

english

File:

PDF, 1.77 MB

english, 1993

8

Efficient stereocontrolled glycosidation of secondary sugar hydroxyls by silicon tethered intramolecular glycosidation

Journal:

Year:

1993

Language:

english

File:

PDF, 841 KB

english, 1993

9

Convergent solid-phase peptide synthesis. XI. Synthesis and purification of protected peptide segments spanning the entire sequence of the uteroglobin monomer using the photolabile nbb-resin.

Paul Lloyd-Williams, Margarida Gairí, Fernando Albericio, Ernest Giralt

Journal:

Year:

1993

Language:

english

File:

PDF, 804 KB

english, 1993

10

Regiochemistry in the synthesis of 2,3,8,8a-tetrahydro-7H-oxazolo[3,2-a]pyridines

Esther Caballero, Pilar Puebla, Manuel Medarde, Arturo San Feliciano

Journal:

Year:

1993

Language:

english

File:

PDF, 669 KB

english, 1993

11

Enzymatic acylation and alkoxycarbonylation of α-, xylo-, anhydro-, and arabino-nucleosides.

Francisco Morís, Gotor Vicente

Journal:

Year:

1993

Language:

english

File:

PDF, 649 KB

english, 1993

12

γ-Functionalised β-methylene organolithium compounds from 3-chloro-2-(chloromethyl)propene: Synthetic applications

Diego J Ramón, Miguel Yus

Journal:

Year:

1993

Language:

english

File:

PDF, 589 KB

english, 1993

13

Synthesis of 1-diethoxyphosphoryl-1-methylthio-thioacetamides and 1-methylthioethenethioamides. An unusual intramolecular α-desulfenylation of thioacetamides

Piotr Bałczewski, Piotr P Graczyk, Wiesława Perlikowska, Marian Mikołajczyk

Journal:

Year:

1993

Language:

english

File:

PDF, 706 KB

english, 1993

14

Studies on the Friedel Crafts Acylation of hydrindane

Gordon R. Davison, Judith A.K. Howard, Nigel A. Pitchford, Alan M. Jones, Jack W. Rasburn, Anthony J. Simpson

Journal:

Year:

1993

Language:

english

File:

PDF, 656 KB

english, 1993

15

Synthesis of 2′- and 3′-spiro-isoxazolidine derivatives of thymidine & their conversions to 2′,3′-dideoxy-2′,3′-didehydro-3′-C-substituted nucleosides by radical promoted fragmentation.

N. Hossain, A. Papchikhin, J. Plavec, J. Chattopadhyaya

Journal:

Year:

1993

Language:

english

File:

PDF, 2.24 MB

english, 1993

16

DDQ-mediated formation of carboncarbon bonds: Oxidation of imines

Barbara Bortolotti, Rino Leardini, Daniele Nanni, Giuseppe Zanardi

Journal:

Year:

1993

Language:

english

File:

PDF, 1.34 MB

english, 1993

17

Sulfur- and seleno-sugar modified nucleosides. Synthesis, chemical transformations and biological properties.

Stanislaw F. Wnuk

Journal:

Year:

1993

Language:

english

File:

PDF, 3.41 MB

english, 1993

18

[3+2] cycloadditions of allylsilanes - 4.: Dual reactivity of allyltrimethylsilane: Sakurai reaction versus trimethylsilylcyclopentane annulation

Hans-Joachim Knölker, Norbert Foitzik, Regina Graf, Jörn-Bernd Pannek, Peter G Jones

Journal:

Year:

1993

Language:

english

File:

PDF, 981 KB

english, 1993

19

The 1,3-carbalkoxy shift. An unusual photorearrangement

Karl-Heinz Pfoertner, Gerhard Englert, John J. Daly, Peter Schoenholzer

Journal:

Year:

1993

Language:

english

File:

PDF, 730 KB

english, 1993

20

Synthesis of N-Thioacylated amino sugars

Rainer Isecke, Reinhard Brossmer

Journal:

Year:

1993

Language:

english

File:

PDF, 690 KB

english, 1993

21

New synthesis of 2′, 3′-dideoxy-2′, 3′-didehydro-3′-C-substituted thymidines

Nafizal Hossain, Neeraj Garg, Jyoti Chattopadhyaya

Journal:

Year:

1993

Language:

english

File:

PDF, 758 KB

english, 1993

22

Electronic substituent effects in the nitrilase-catalyzed hydrolysis of para-substituted benzyl cyanides

Shimona Geresh, Yakir Giron, Ygal Gilboa, Robert Glaser

Journal:

Year:

1993

Language:

english

File:

PDF, 257 KB

english, 1993