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1

Regioselectivity in reactions of alkynylmetal complexes with pyrimidinones

Frode Rise, Kjell Undheim

Journal:

Journal of Organometallic Chemistry

Year:

1985

Language:

english

File:

PDF, 498 KB

english, 1985

2

Comprehensive Heterocyclic Chemistry II || Pyrimidines and their Benzo Derivatives

Year:

1996

Language:

english

File:

PDF, 24.36 MB

english, 1996

3

[Advances in Heterocyclic Chemistry] Volume 62 || Organometallics in Coupling Reactions in π-Deficient Azaheterocycles

Year:

1995

Language:

english

File:

PDF, 3.63 MB

english, 1995

4

Homocoupling in the Preparation of Dimeric Cyclic Peptide Derivatives

Jon Efskind, Håkon Hope, Kjell Undheim

Journal:

European Journal of Organic Chemistry

Year:

2002

Language:

english

File:

PDF, 255 KB

english, 2002

5

ChemInform Abstract: A Simple Synthesis of the Macrocycle 1,4,7,10-Tetraazacyclododecane.

Rolf Wiggo Sandnes, Michel Gacek, Kjell Undheim

Journal:

Year:

1999

File:

PDF, 28 KB

1999

6

ChemInform Abstract: Synthesis of Heterocyclic Dipeptide Analogues.

Mette Lene Falck-Pedersen, Kjell Undheim

Journal:

Year:

1999

File:

PDF, 30 KB

1999

7

ChemInform Abstract: Palladium Mediated Substitutions and Rearrangements in Spiro[4,4]nonanes.

Doina Sirbu, Mette Lene Falck-Pedersen, Christian Roemming, Kjell Undheim

Journal:

Year:

1999

File:

PDF, 35 KB

1999

8

ChemInform Abstract: Palladium-Mediated Carbosubstitutions in Spiranes.

Mette Lene Falck-Pedersen, Christian Roemming, Kjell Undheim

Journal:

Year:

1999

File:

PDF, 33 KB

1999

9

ChemInform Abstract: Ru(II)-Catalysis in Preparation of Sterically Congested and Stereochemically Homogeneous Heterospiranes.

Jon Efskind, Christian Roemming, Kjell Undheim

Journal:

Year:

1999

File:

PDF, 32 KB

1999

10

ChemInform Abstract: Stereoselectivity in the Synthesis of Conformationally Constrained Vicinally Dihydroxylated Cyclic α-Amino Acids.

Kristin Hammer, Jing Wang, Mette Lene Falck-Pedersen, Christian Roemming, Kjell Undheim

Journal:

Year:

2000

File:

PDF, 33 KB

2000

11

ChemInform Abstract: Rhodium(II)-Carbenoid C—H Insertion Reactions in the Synthesis of β-Oxospirane Systems.

Pompiliu S. Aburel, Kjell Undheim

Journal:

Year:

2000

Language:

english

File:

PDF, 35 KB

english, 2000

12

ChemInform Abstract: Ru(II)-Catalyzed Ring Closing Metathesis in Stereoselective Spiroannulations and Cascade Reactions of Cyclic Dipeptide Substrates.

Kjell Undheim, Jon Efskind

Journal:

Year:

2000

Language:

english

File:

PDF, 33 KB

english, 2000

13

ChemInform Abstract: Rhodium(II)-Carbenoid C—H Insertion Reactions in the Synthesis of α,β′-Dioxospirane Systems.

Pompiliu S. Aburel, Christian Roemming, Kjell Undheim

Journal:

Year:

2001

File:

PDF, 33 KB

2001

14

ChemInform Abstract: Synthesis of Silacycloalkenes and Silaspirenes by Ru(II)-Catalyzed Ring-Closing Metathesis Reactions.

Iftikhar Ahmad, Mette Lene Falck-Pedersen, Kjell Undheim

Journal:

Year:

2001

File:

PDF, 35 KB

2001

15

ChemInform Abstract: Synthesis of α-Hydroxy and α-Oxospiranes Through Ruthenium(II)-Catalyzed Ring-Closing Metathesis.

Pompiliu S. Aburel, Christian Roemming, Kuangbiao Ma, Kjell Undheim

Journal:

Year:

2001

File:

PDF, 38 KB

2001

16

ChemInform Abstract: The Pauson—Khand Reaction in Synthesis of Bicyclic Rigid α-Amino Acids.

Jing Wang, Mette Lene Falck-Pedersen, Christian Roemming, Kjell Undheim

Journal:

Year:

2001

File:

PDF, 31 KB

2001

17

ChemInform Abstract: Synthesis of Cyclic Constrained β-Oxo-Substituted α-Amino Acids.

Sonata Krikstolaityte, Kristin Hammer, Christian Roemming, Kjell Undheim

Journal:

Year:

2002

File:

PDF, 32 KB

2002

18

Heteroaromatics via Palladium-Catalyzed Cross-Coupling

Journal:

Year:

2003

File:

PDF, 4 KB

2003

19

High-Temperature Microwave-Accelerated Ruthenium-Catalyzed Domino RCM Reactions.

Jon Efskind, Kjell Undheim

Journal:

Year:

2003

File:

PDF, 125 KB

2003

20

Stereocontrolled Construction of Conformationally Constrained and Rigid Bis-α-Amino Acid Derivatives

Kjell Undheim, Jon Efskind, Gunn Beate Hoven

Journal:

Year:

2003

File:

PDF, 53 KB

2003

21

A Versatile Method for the Preparation of Enantiomeric Benzene-1,2-bis(alanine) Derivatives.

Bjoerg S. Moeller, Kjell Undheim

Journal:

Year:

2004

File:

PDF, 112 KB

2004

22

Synthesis of Benzene-1-alanine-3-glycine as Carba Analogues of Cystine.

Eline Bredal Furenes, Jaco Luijendijk, Jon Efskind, Kjell Undheim

Journal:

Year:

2005

File:

PDF, 20 KB

2005

23

Stereoselective Preparation of Spiran-Bridged, Sandwiched Bisarenes.

Marit Rolandsgard, Saad Baldawi, Doina Sirbu, Vidar Bjoernstad, Christian Roemming, Kjell Undheim

Journal:

Year:

2005

File:

PDF, 36 KB

2005

24

ChemInform Abstract: Cyclic Ketones in Spiroannulation.

Vidar Bjoernstad, Kjell Undheim

Journal:

Year:

2009

File:

PDF, 26 KB

2009

25

ChemInform Abstract: Synthesis of 8-Fluorinated Erythromycin Cyclic 2′,3′-Carbamates.

Audun Heggelund, Kjell Undheim

Journal:

Year:

2009

File:

PDF, 27 KB

2009

26

Cycloisomerisations in Pd-Catalysed Spiroannulations onto Chiral Pyrazine Derivatives

Bjørg Møller, Kjell Undheim

Journal:

European Journal of Organic Chemistry

Year:

2003

Language:

english

File:

PDF, 129 KB

english, 2003

27

High resolution mass spectrometry of trimethylamine

Georg Hvistendahl, Kjell Undheim

Journal:

Journal of Mass Spectrometry

Year:

1970

Language:

english

File:

PDF, 166 KB

english, 1970

28

Mass spectrometry of onium salts—I. Studies on anilinium oxides

Kjell Undheim, Georg Hvistendahl

Journal:

Journal of Mass Spectrometry

Year:

1970

Language:

english

File:

PDF, 457 KB

english, 1970

29

Mass spectrometry of onium compounds—II. Carnitine and O-acyl derivatives

Georg Hvistendahl, Kjell Undheim, Jon Bremer

Journal:

Journal of Mass Spectrometry

Year:

1970

Language:

english

File:

PDF, 273 KB

english, 1970

30

Mass spectrometry of onium compounds—IV: Diazonium salts

Kjell Undheim, Olav Thorstad, Georg Hvistendahl

Journal:

Journal of Mass Spectrometry

Year:

1971

Language:

english

File:

PDF, 251 KB

english, 1971

31

Mass spectrometry of onium compounds—VI: Pyrimidinium oxides

Kjell Undheim, Georg Hvistendahl

Journal:

Journal of Mass Spectrometry

Year:

1971

Language:

english

File:

PDF, 514 KB

english, 1971

32

Mass spectrometry of onium compounds—X: on the evaporation of pyridinium-3-oxides ionization potential measurements

Truls Grønneberg, Kjell Undheim

Journal:

Journal of Mass Spectrometry

Year:

1972

Language:

english

File:

PDF, 195 KB

english, 1972

33

Mass spectrometry of onium compounds—IX: On the evaporation of anilinium oxides. Ionization potential measurements

Georg Hvistendahl, Kjell Undheim

Journal:

Journal of Mass Spectrometry

Year:

1972

Language:

english

File:

PDF, 353 KB

english, 1972

34

Mass spectrometry of onium compounds—XI: Ionization potentials of hydroxy and mercapto pyridines

Truls Grønneberg, Kjell Undheim

Journal:

Journal of Mass Spectrometry

Year:

1972

Language:

english

File:

PDF, 252 KB

english, 1972

35

Mass spectrometry of onium compounds—XVII: Anilinium carboxylates. orthoeffect in anthranilic acid derivatives

Georg Hvistendahl, Kjell Undheim

Journal:

Journal of Mass Spectrometry

Year:

1973

Language:

english

File:

PDF, 283 KB

english, 1973

36

Mass spectrometry of onium compounds-XVIII: Evaporation of N-arylpyridinium-3-oxides

Kjell Undheim, Per Egil Hansen

Journal:

Journal of Mass Spectrometry

Year:

1973

Language:

english

File:

PDF, 216 KB

english, 1973

37

Mass spectrometry of onium compounds—XX: Ionisation potential in structural assignment of some gaseous molecules

Per Einar Fjeldstad, Kjell Undheim

Journal:

Journal of Mass Spectrometry

Year:

1973

Language:

english

File:

PDF, 142 KB

english, 1973

38

Mass spectrometry of tropylium halides

Georg Hvistendahl, Kjell Undheim, Peter Gyöösi

Journal:

Journal of Mass Spectrometry

Year:

1973

Language:

english

File:

PDF, 143 KB

english, 1973

39

Mass spectrometry of pyrylium salts. Free radical evaporation

Georg Hvistendahl, Peter Györösi, Kjell Undheim

Journal:

Journal of Mass Spectrometry

Year:

1974

Language:

english

File:

PDF, 231 KB

english, 1974

40

Mass spectrometry of onium compounds. XXI—Substituent effect on the evaporation of anilinium oxides

Hamdi M. R. El-Mouafi, Georg Hvistendahl, Kjell Undheim

Journal:

Journal of Mass Spectrometry

Year:

1974

Language:

english

File:

PDF, 511 KB

english, 1974

41

Mass spectrometry of onium compounds. XXIII—ionisation potentials in the structural assignment of [M – N2] ions from diazo-oxides

Olav Thorstad, Kjell Undheim, Georg Hvistendahl

Journal:

Journal of Mass Spectrometry

Year:

1974

Language:

english

File:

PDF, 145 KB

english, 1974

42

Mass spectrometry of onium compounds. XXX—Ionisation potentials in structure analysis of sydnones

Kjell Undheim, Mahmoud A. F. El-Gendy, Torgeir Hurum

Journal:

Journal of Mass Spectrometry

Year:

1974

Language:

english

File:

PDF, 177 KB

english, 1974

43

Mass spectrometry of some triphenylcyclopropenium salts. Competition between dimerisation and adduct formation

Peter Györösi, Georg Hvistendahl, Kjell Undheim

Journal:

Journal of Mass Spectrometry

Year:

1975

Language:

english

File:

PDF, 255 KB

english, 1975

44

Ionisation potentials in structure analysis of isomeric nitrones, oxaziranes, O-ether oximes and acid amides

Olav Thorstad, Kjell Undheim, Mahmoud A. F. El-Gendy

Journal:

Journal of Mass Spectrometry

Year:

1975

Language:

english

File:

PDF, 305 KB

english, 1975

45

Organotin derivatives in the umpolung of 1,3-dithian-2-ylides to 1,3-dithian-2-ylium salts

Jo Klaveness, Frode Rise, Kjell Undheim

Journal:

Journal of Organometallic Chemistry

Year:

1986

Language:

english

File:

PDF, 1.17 MB

english, 1986

46

Ethynyltriisopropoxytitanium reactions with pyrimidinones

Frode Rise, David Grace, Kjell Undheim

Journal:

Journal of Organometallic Chemistry

Year:

1988

Language:

english

File:

PDF, 481 KB

english, 1988

47

Stannylation reaction and cross-couplings in pyrimidines

Amera J. Majeed, Øyvind Antonsen, Tore Benneche, Kjell Undheim

Journal:

Year:

1989

Language:

english

File:

PDF, 703 KB

english, 1989

48

Aryl- and alkynyltri-isopropoxytitanium reagents in regioselective carbon-carbon bond formation in azines

Lise-Lotte Gundersen, Frode Rise, Kjell Undheim

Journal:

Year:

1992

Language:

english

File:

PDF, 968 KB

english, 1992

49

Samarium diiodide mediated alkylation of saturated heterocycles alpha to nitrogen

Susan E. Booth, Tore Benneche, Kjell Undheim

Journal:

Year:

1995

Language:

english

File:

PDF, 531 KB

english, 1995

50

Trialkylalanes in palladium-catalyzed chemo- and regioselective alkylations

Inoel Mangalagiu, Tore Benneche, Kjell Undheim

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 243 KB

english, 1996

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