Volume 47; Issue 26

Main
Tetrahedron
Volume 47; Issue 26

Tetrahedron

Volume 47; Issue 26

1

Graphical abstracts

Journal:

Year:

1991

Language:

english

File:

PDF, 425 KB

english, 1991

2

Enantiomerically pure vinylketene acetals in the Diels-Alder reaction. Catalysis and facial selectivity.

Mark A. Bochler, Joseph P. Konopelski

Journal:

Year:

1991

Language:

english

File:

PDF, 1.70 MB

english, 1991

3

Reaction OF E-1,2-bis[triphenyl(trifluoromethanesulfonyloxy)phospho]ethylene, Ph3PCHCHPPh3·20Tfwith bases: Unusual products and evidence for C2-dlylide, Ph3PCCPPh3, formation

Peter J. Stang, Atta M. Arif, Viktor V. Zhdankin

Journal:

Year:

1991

Language:

english

File:

PDF, 578 KB

english, 1991

4

HIV inhibitory natural products. 3. Diterpenes from homalantus acuminatus and chrysobalanus icaco

Kirk R. Gustafson, Murray H.G. Munro, John W. Blunt, John H. Cardellina II, James B. McMahon, Robert J. Gulakowski, Gordon M. Cragg, Paul A. Cox, Linda S. Brinen, Jon Clardy, Michael R. Boyd

Journal:

Year:

1991

Language:

english

File:

PDF, 501 KB

english, 1991

5

Intramolecular palladium(0)-catalyzed coupling of enol triflate and vinylstannane functions. New annulation sequences leading to bicyclic diene systems

Edward Piers, Richard W. Friesen, Brian A. Keay

Journal:

Year:

1991

Language:

english

File:

PDF, 1.24 MB

english, 1991

6

(−)-Quinic acid in organic synthesis. 2. Facile syntheses of pseudo-β-D-mannopyranose and pseudo-β-D-fructopyranose.

Tony K.M. Shing, Ying Tang

Journal:

Year:

1991

Language:

english

File:

PDF, 646 KB

english, 1991

7

On the possibility of determining stereochemistry in acyclic polyhydroxylated compounds by the combined vicinal coupling constant/molecular mechanics method. A test with alditol peracetates

Eiji Ōsawa, Keisuke Imai, Teruyo Fujiyoshi-Yoneda, Carlos Jaime, Philip Ma, Satoru Masamune

Journal:

Year:

1991

Language:

english

File:

PDF, 655 KB

english, 1991

8

Highly selective TFAA-cleavage of tertiary 2,4-dimethoxybenzylamines and its use in the synthesis of secondary amines

Peter Nussbaumer, Karl Baumann, Thomas Dechat, Michael Harasek

Journal:

Year:

1991

Language:

english

File:

PDF, 665 KB

english, 1991

9

1-Oxa-2,3-cyclohexadiene (“2H-isopyran”): A strained heterocyclic allene undergoing cycloaddition reactions with characteristic typo-, regio- and stereoselectivities

Renzo Ruzziconi, Yuji Naruse, Manfred Schlosser

Journal:

Year:

1991

Language:

english

File:

PDF, 643 KB

english, 1991

10

Alkylation and protonation of chiral schiff bases: Diastereoselectivity as a function of the nature of reactants

Mohamed Tabcheh, Abdelrhani El Achqar, Louis Pappalardo, Marie-Louise Roumestant, Philippe Viallefont

Journal:

Year:

1991

Language:

english

File:

PDF, 444 KB

english, 1991

11

Reactions of fluorobenzene tricarbonylchromium complexes with anions from Schiff bases of α-amino esters; enantioselective synthesis of α-aryl amino acids

Mohamed Chaari, Aïcha Jenhi, Jean-Pierre Lavergne, Philippe Viallefont

Journal:

Year:

1991

Language:

english

File:

PDF, 690 KB

english, 1991

12

Thermostable enzymes in organic synthesis, 5. Total synthesis of S-(+)-Z-dodec-3-en-11-olide (ferrulactone II) using a tbadh-generated bifunctional chiron.

Ehud Keinan, Subhash C. Sinha, Surendra P. Singh

Journal:

Year:

1991

Language:

english

File:

PDF, 530 KB

english, 1991

13

An efficient synthesis of 3-nitropyrroles

Daan van Leusen, Ernst Flentge, Albert M. van Leusen

Journal:

Year:

1991

Language:

english

File:

PDF, 299 KB

english, 1991

14

A Dieckmann/ring expansion approach to tetrahydropyrido- and tetrahydroazepino-[1,2-a]indoles

Rino A. Bit, Peter D. Davis, Christopher H. Hill, Elizabeth Keech, David R. Vesey

Journal:

Year:

1991

Language:

english

File:

PDF, 1.40 MB

english, 1991

15

Simple preparation of epimeric 2,6-dimethyl-4-(N′-substituted thioureido)-1,3-dioxanes and crystal structure of rel-2S,4S,6S-2,6-dimethyl-4-(N′-benzylthioureido)-1,3-dioxane

Juraj Bernát, Ladislav Kniežo, Gabriela Birošová, Ján Imrich, Jaroslav Podlaha, Miloš Buděšínský, Jaromír Novák, Tibor Liptaj

Journal:

Year:

1991

Language:

english

File:

PDF, 647 KB

english, 1991

16

Enantioselective total synthesis of (−)-epipodophyllotoxin and (−)-podophyllotoxin

R. Van Speybroeck, H. Guo, J. Van der Eycken, M. Vandewalle

Journal:

Year:

1991

Language:

english

File:

PDF, 638 KB

english, 1991

17

Gas-phase acid-induced ring opening in diastereoisomeric 9,10-oxides derived from trans-1,2,3,4,4a,10a-hexahydrophenanthrene

Patrizio Cecchi, Marco Chini, Paolo Crotti, Adriano Pizzabiocca, Gabriele Renzi, Maurizio Speranza

Journal:

Year:

1991

Language:

english

File:

PDF, 629 KB

english, 1991

18

Spectroscopic, kinetic and semiempirical molecular orbital studies on 8-amino-, 8-methylamino- & 8-dimethylamino-adenosines

J. Hovinen, C. Glemarec, A. Sandström, C. Sund, J. Chattopadhyaya

Journal:

Year:

1991

Language:

english

File:

PDF, 1.20 MB

english, 1991

19

Synthesis of racemic 3-methylphosphonate analogues of myo-inositol 3,4-bis- and 1,3,4-trisphosphate

C.E. Dreef, R.J. Tuinman, A.W.M. Lefeber, C.J.J. Elie, G.A. van der Marel, J.H. van Boom

Journal:

Year:

1991

Language:

english

File:

PDF, 1.06 MB

english, 1991

20

Synthesis of 1-amino-2,2-dialkylcyclopropanecarboxylic acids from β-chloroaldimines

Norbert De Kimpe, Paul Sulmon, Chris Stevens

Journal:

Year:

1991

Language:

english

File:

PDF, 968 KB

english, 1991

21

Stereoselective addition of R2CuLi to ortho-substituted methyl cinnamates intramolecular assistance and solvent effects

Beritte Christenson, Gerd Hallnemo, Christina Ullenius

Journal:

Year:

1991

Language:

english

File:

PDF, 1.25 MB

english, 1991

22

Holothurinosides: New antitumour non sulphated triterpenoid glycosides from the sea cucumber holothuria forskalii.

Jaime Rodriguez, Rita Castro, Ricardo Riguera

Journal:

Year:

1991

Language:

english

File:

PDF, 554 KB

english, 1991

23

Synthesis of an α-CH2CO2H functionalized tryptophan and its incorporation into an analogue of cholecystokinin.

Gregory T. Bourne, David C. Horwell, Martyn C. Pritchard

Journal:

Year:

1991

Language:

english

File:

PDF, 697 KB

english, 1991

24

A new and efficient general method for the synthesis of 2-spirobenzopyrans: First synthesis of cyclic analogues of precocene I and related compounds

Suneel Y Dike, Jaysukhlal R Merchant, Niteen Y Sapre

Journal:

Year:

1991

Language:

english

File:

PDF, 569 KB

english, 1991

To build up a library is to create a life. It’s never just a random collection of books.

— Carlos María Domínguez

Official channel

Z-Library Desktop Launcher

Tor version

Z-Library

Z-Library Since 2009 support@z-lib.do

EnglishРусскийEspañolItalianoελληνικάاللغة العربيةBahasa IndonesiaBahasa Malaysiaहिन्दीDeutschFrançaisPortuguêsУкраїнськаPolski中文繁體中文日本語Tiếng ViệtAzərbaycan DiliՀայոց լեզուภาษาไทยTürk Diliქართველიবাংলাپښتوతెలుగుاردو한국어SrpskiБългарски