Volume 77; Issue 5

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Helvetica Chimica Acta
Volume 77; Issue 5

Helvetica Chimica Acta

Volume 77; Issue 5

1

Masthead

Journal:

Helvetica Chimica Acta

Year:

1994

File:

PDF, 30 KB

1994

2

Asymmetric Catalysis by Vitamin B12: The isomerization of achiral cyclopropanes to optically active olefins

Thomas Troxler, Rolf Scheffold

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 692 KB

english, 1994

3

Xenicane Diterpenes Revisited: Thermal (E)→(Z) isomerization and conformational motions. A unifying picture

Graziano Guella, Giuseppe Chiasera, Ibrahima N'Diaye, Francesco Pietra

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 1.22 MB

english, 1994

4

[M(bpy)3] (M = Fe, Ru, Os): New Crystalline Materials from the reductive electrocrystallization of [M(bpy)3](PF6)2

Eduardo Pérez-Cordero, Rosanna Buigas, Nancy Brady, Luis Echegoyen, Claudia Arana, Jean-Marie Lehn

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 478 KB

english, 1994

5

N4-Benzoylspermidine from Oncinotis tenuiloba: Analytical differentiation of the three isomeric N-benzoylspermidines

Martin K.-H. Doll, Armin Guggisberg, Manfred Hesse

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 445 KB

english, 1994

6

A Short Synthesis of (−)-Carbovir

Stefan Hildbrand, Thomas Troxler, Rolf Scheffold

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 330 KB

english, 1994

7

Synthesis and Structure-Activity Relationships of Juvenoids Derived from 2-(4-hydroxybenzyl)cycloalkan-1-ones

Martin Rejzek, ZdenêK Wimmer, David Šaman, Michaela Říčánková, Václav Nêmec

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 967 KB

english, 1994

8

Synthesis of the Thiazolone Analogue of the Acetylcholinesterase Inhibitor, Huperzine A

Alan P. Kozikowski, Werner Tückmantel, Ashima Saxena, Bhupendra P. Doctor

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 792 KB

english, 1994

9

Nucleosides. Part LVI. Aminolysis of carbamates of adenosine and cytidine

Harald Sigmund, Wolfgang Pfleiderer

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 984 KB

english, 1994

10

α,α-Disubstituted Allyl Sulfones: An approach to the synthesis of vinyl-branched pheromone analogues

Michal Hoskovec, Bohumír Koutek, Josef Lazar, Ludvík Streinz, Eva Brožová, Blanka Kalinová, Jan Vrkoč

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 431 KB

english, 1994

11

Synthesis, Crystal Structure, and Thermal Behaviour of Some New Copper Complexes with tridentate β-iminoketone ligands

Michael Becht, Tobias Gerfin, Klaus-Hermann Dahmen

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 648 KB

english, 1994

12

Umsetzung von Diazoessigsäure-ethylester mit 1,3-Thiazol-5(4H)-thionen

Martin Kägi, Grzegorz Mlostoń, Anthony Linden, Heinz Heimgartner

Journal:

Helvetica Chimica Acta

Year:

1994

File:

PDF, 880 KB

1994

13

Preparation of Oxazolidine-Containing Peptides: Unusual effects in RhIII-catalyzed acetalizations of aldehydes with urethane-protected serine and threonine esters and with dipeptides containing serine or threonine residues at the N-terminus

Dieter Seebach, Thimo L. Sommerfeld, Qiongzhong Jiang, Luigi M. Venanzi

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 1.16 MB

english, 1994

14

A Reinvestigation of the Oxidative Rearrangement of Yohimbane-Type Alkaloids. Part A. Formation of pseudoindoxyl ( = 1,2-dihydro-3H-indol-3-one) derivatives

Reto Stahl, Hans-Jürg Borschberg

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 932 KB

english, 1994

15

Oxidative Coupling of αω,-Di(cyclopentadienyl)alkane-diides

Shaochun You, Matthias Gubler, Markus Neuenschwander

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 1.08 MB

english, 1994

16

Synthese einer Calicen-Vorstufe für Retro-Diels-Alder-Reaktionen

Michel Mühlebach, Markus Neuenschwander

Journal:

Helvetica Chimica Acta

Year:

1994

File:

PDF, 816 KB

1994

17

Synthetic Attempts towards ‘Aromatic’ Nonafulvenes

Shengyong Chai, Markus Neuenschwander

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 1.09 MB

english, 1994

18

Synthesis of Enantiomerically Pure D- and L-(Heteroaryl)alanines by asymmetric hydrogenation of (Z)-α-amino-αβ-didehydro esters

Thierry Masquelin, Emil Broger, Klaus Müller, Rudolf Schmid, Daniel Obrecht

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 1.14 MB

english, 1994

19

Total Synthesis of Racemic and Optically Active Compounds Related to Physostigmine and Ring-C Heteroanalogues from 3-[2′-(dimethylamino)ethyl]2,3-dihydro-5-methoxy-1,3-dimethyl-1H-indo l-2-ol

Xue-Feng Pei, Nigel H. Greig, Judith L. Flippen-Anderson, Sheng Bi, Arnold Brossi

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 665 KB

english, 1994

20

A Reinvestigation of the α-Alkylation of 4-Monosubstituted 2-phenyloxazol-5(4H)-ones (‘azlactones’): A general entry into highly functionalized α,α-disubstituted α-amino acids

Daniel Obrecht, Udo Bohdal, Ruth Ruffieux, Klaus Müller

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 517 KB

english, 1994

21

Glycosylidene Carbenes. Part 18. Insertion of glycosylidene carbenes into the SnH bond of tributyl- and triphenylstannane: A synthesis of stannoglycosides

Peter Uhlmann, Daniel Nanz, Eva Bozó, Andrea Vasella

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 697 KB

english, 1994

22

Synthetic Routes to the Cyclo[n]carbons

François Diederich, Yves Rubin, Orville L. Chapman, Nancy S. Goroff

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 1.06 MB

english, 1994

23

Radical Anions of Polyalkylazulenes: An ESR and ENDOR Study

Rainer Bachmann, Clemens Burda, Fabian Gerson, Markus Scholz, Hans-Jürgen Hansen

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 555 KB

english, 1994

24

Solution Structure of One-Electron Reduced and Oxidized Molecules with Twisted Donor and Acceptor Moieties

Henning Hopf, Martin Kreutzer, Cornelia Mlynek, Markus Scholz, Georg Gescheidt

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 530 KB

english, 1994

25

Mitteilungen – Communications

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 95 KB

english, 1994

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