H. LOENNBERG: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

1

ChemInform Abstract: Zn2+-Promoted Hydrolysis of 3′,5′-Dinucleoside Monophosphates and Polyribonucleotides. The Effect of Nearest Neighbors on the Cleavage of Phosphodiester Bonds.

S. KUUSELA, H. LOENNBERG

Journal:

Year:

1997

File:

PDF, 25 KB

1997

2

ChemInform Abstract: Bis(hydroxymethylation) of the Active Methylene Group of 1,3-Dicarbonyl and Related Compounds.

A. GUZAEV, H. LOENNBERG

Journal:

Year:

1998

File:

PDF, 29 KB

1998

3

ChemInform Abstract: Kinetics and Mechanisms for the Cleavage and Isomerization of the Phosphodiester Bonds of RNA by Broensted Acids and Bases.

M. OIVANEN, S. KUUSELA, H. LOENNBERG

Journal:

Year:

1998

File:

PDF, 26 KB

1998

4

ChemInform Abstract: Metal-Ion-Promoted Cleavage, Isomerization, and Desulfurization of the Diastereomeric Phosphoromonothioate Analogues of Uridylyl(3′,5′)uridine.

M. ORA, M. PELTOMAEKI, M. OIVANEN, H. LOENNBERG

Journal:

Year:

1998

File:

PDF, 27 KB

1998

5

ChemInform Abstract: Alcoholysis of Dialkyl Tetrazolylphosphonites.

Erkki J. Nurminen, Jorma K. Mattinen, Harri Loennberg

Journal:

Year:

2000

File:

PDF, 26 KB

2000

6

ChemInform Abstract: Buffer-Catalyzed Interconversion of Ribonucleoside 2′/3′-Methylphosphonates and 2′/3′-Alkylphosphates.

Esa Maeki, Mikko Oivanen, Paeivi Poijaervi, Harri Loennberg

Journal:

Year:

2000

File:

PDF, 28 KB

2000

7

ChemInform Abstract: Hydrolysis and Intramolecular Transesterification of Ribonucleoside 3′-Phosphotriesters: Comparison of Structural Effects in the Reactions of Asymmetric and Symmetric Dialkyl Esters of 5′-O-Pivaloyl-3′-uridylic Acid.

Markus Kosonen, Raimo Seppaenen, Oula Wichmann, Harri Loennberg

Journal:

Year:

2000

File:

PDF, 32 KB

2000

8

ChemInform Abstract: Preparation, Hydrolysis and Intramolecular Transesterification of 3′-Deoxy-3′-thioinosine 3′-S-Dimethylphosphorothiolate.

Mohamed I. Elzagheid, Esa Maeki, Ulla Kaukinen, Mikko Oivanen, Harri Loennberg

Journal:

Year:

2000

File:

PDF, 28 KB

2000

9

ChemInform Abstract: Protonation of Phosphoramidites. The Effect on Nucleophilic Displacement.

Erkki J. Nurminen, Jorma K. Mattinen, Harri Loennberg

Journal:

Year:

2001

File:

PDF, 25 KB

2001

10

ChemInform Abstract: Hydrolytic Stability of Nucleoside Phosphotriesters Derived from Bis(hydroxymethyl)-1,3-dicarbonyl Compounds and Their Congeners: Towards a Novel Pro-Drug Strategy for Antisense Oligonucleotides.

Mikko Ora, Esa Maeki, Paeivi Poijaervi, Kari Neuvonen, Mikko Oivannen, Harri Loennberg

Journal:

Year:

2001

File:

PDF, 28 KB

2001

11

ChemInform Abstract: Condensation of Triformylmethane with Guanosine.

Niangoran Koissi, Kari Neuvonen, Tony Munter, Leif Kronberg, Harri Loennberg

Journal:

Year:

2002

File:

PDF, 27 KB

2002

12

ChemInform Abstract: Cleavage of the Phosphodiester Bond of Uridylyl-(3′,5′)-8-carboxymethylaminoadenosine by Hydronium, Hydroxide and Zinc(II) Ions: A Model Study Aimed at Elucidating the Potential of a Carboxylate Function as an Intramolecular Catalyst.

Satu Mikkola, Mikko Oivanen, Kari Neuvonen, Suvi Piitari, Kaisa Ketomaeki, Harri Loennberg

Journal:

Year:

2002

File:

PDF, 27 KB

2002

13

Solid-Supported Synthesis of Oligomeric Bioconjugates

Pasi Virta, Johanna Katajisto, Teija Niittymaeki, Harri Loennberg

Journal:

Year:

2003

File:

PDF, 52 KB

2003

14

Synthesis of an Oligonucleotide Analogue of Ethenoadenosine

Niangoran Koissi, Harri Loennberg

Journal:

Year:

2004

File:

PDF, 50 KB

2004

15

The Cleavage of the Triphosphate Bridge of a Model for the 5′-cap mRNA Promoted by Dinuclear Bicyclic Complexes with Metal Ions

Qi Wang, Satu Mikkola, Harri Loennberg

Journal:

Year:

2004

File:

PDF, 62 KB

2004

16

Mechanisms of the Substitution Reactions of Phosphoramidites and Their Congeners

Erkki Nurminen, Harri Loennberg

Journal:

Year:

2004

File:

PDF, 51 KB

2004

17

Pentaerythritol and Its Congeners: Versatile Building Blocks for the Construction of Oligomeric Bioconjugates and Small Molecule Libraries on a Solid Support

Johanna Katajisto, Petri Heinonen, Harri Loennberg

Journal:

Year:

2005

File:

PDF, 8 KB

2005

18

ChemInform Abstract: Cleavage of RNA Phosphodiester Bonds by Small Molecular Entities: A Mechanistic Insight

Harri Loennberg

Journal:

Year:

2011

File:

PDF, 18 KB

2011

19

ChemInform Abstract: Understanding Catalysis of Phosphate-Transfer Reactions by the Large Ribozymes

Tuomas Loennberg

Journal:

Year:

2011

File:

PDF, 18 KB

2011

20

ChemInform Abstract: Synthesis of 7-Substituted 3-β-D-Ribofuranosyl-3H-imidazo[2,1-i]purines.

Tuomas Karskela, Karel D. Klika, Harri Loennberg

Journal:

Year:

2011

File:

PDF, 40 KB

2011

21

ChemInform Abstract: Hydrolytic Dethiophosphorylation and Desulfurization of the Monothioate Analogues of Uridine Monophosphates under Acidic Conditions.

M. ORA, M. OIVANEN, H. LOENNBERG

Journal:

Year:

1996

File:

PDF, 29 KB

1996

22

ChemInform Abstract: Synthesis and Pharmacological Properties of 4(5)-(2-Ethyl-2,3-dihydro- 2-silainden-2-yl)imidazole, a Silicon Analogue of Atipamezole.

P. HEINONEN, H. SIPILAE, K. NEUVONEN, H. LOENNBERG, V. B. COCKCROFT, S. WURSTER, R. VIRTANEN, M. K. T. SAVOLA, J. S. SALONEN, J. M. SAVOLA

Journal:

Year:

1996

File:

PDF, 32 KB

1996

23

Mechanisms for the solvolytic decompositions of nucleoside analogs. XIII. Reaction of 9-(.beta.-D-ribofuranosyl)purine with alkalies: kinetics and mechanism

Loennberg, Harri, Lehikoinen, Pertti

Journal:

Journal of Organic Chemistry

Year:

1984

Language:

english

File:

PDF, 763 KB

english, 1984

24

ChemInform Abstract: Mechanisms for the Solvolytic Decompositions of Nucleoside Analogues. Part 19. Reactions of 5-Bromo Substituted Pyrimidine Nucleosides with Aqueous Alkalies: Kinetics and Mechanisms.

KAEPPI, R., LOENNBERG, H.

Journal:

Year:

1987

File:

PDF, 220 KB

1987

25

ChemInform Abstract: Crystal Growth of Solid Solutions of the Group IV-VI Transition Metal Monocarbides from Molten Aluminum.

LOENNBERG, B., LUNDSTROEM, T.

Journal:

Year:

1988

File:

PDF, 116 KB

1988

26

ChemInform Abstract: pH-Independent Depurination of 7-Alkylguanosines and Their 5′-Monophosphates.

LAHTI, M., SANTA, H., DARZYNKIEWICZ, E., LOENNBERG, H.

Journal:

Year:

1990

File:

PDF, 110 KB

1990

27

ChemInform Abstract: The Influence of Intramolecular Electrostatic Interactions on the Hydrolytic Stability of the N-Glycosidic Bond of 7-Methylguanosine 5′-Monophosphate (Ib), a Simple Cap Analogue

OIVANEN, M., DARZYNKIEWICZ, E., LOENNBERG, H.

Journal:

Year:

1988

File:

PDF, 111 KB

1988

28

ChemInform Abstract: 1H NMR Spectral Detection of the Intermediates Involved in the Acid-Catalyzed Hydrolysis of 2-Substituted 3-Methyl-1,3-oxazolidines

PARKKINEN, A., MATTINEN, J., LOENNBERG, H., PIHLAJA, K.

Journal:

Year:

1988

File:

PDF, 91 KB

1988

29

ChemInform Abstract: 2-[(Acetyloxy)methyl]-4-(acetylsulfanyl)-2-(ethoxycarbonyl)-3-oxobutyl Group: A Thermolabile Protecting Group for Phosphodiesters.

Kiuru, Emilia, Loennberg, Harri, Ora, Mikko

Journal:

Year:

2014

File:

PDF, 26 KB

2014

30

ChemInform Abstract: Kinetics and Mechanisms of Hydrolytic Reactions of Methylated Cytidines (I)-(III) Under Acidic and Neutral Conditions

KUSMIEREK, J., KAEPPI, R., NEUVONEN, K., SHUGAR, D., LOENNBERG, H.

Journal:

Year:

1989

File:

PDF, 98 KB

1989

31

ChemInform Abstract: Structure and Reactivity of Wyosine (Y-Nucleoside) and Its Derivatives. Chemical, Kinetic and Spectroscopic Studies.

GLEMAREC, C., WU, J.-C., REMAUD, G., BAZIN, H., OIVANEN, M., LOENNBERG, H., CHATTOPADHYAYA, J.

Journal:

Year:

1988

File:

PDF, 123 KB

1988

32

ChemInform Abstract: Mechanisms for the Solvolytic Decompositions of Nucleoside Analogues. Part 17. Reactions of Pyrimidine Nucleosides with Aqueous Alkalies: Kinetics and Mechanisms.

LOENNBERG, H., SUOKAS, P., KAEPPI, R., DARZYNKIEWICZ, E.

Journal:

Year:

1987

File:

PDF, 106 KB

1987

33

ChemInform Abstract: Mechanisms for the Solvolytic Decompositions of Nucleoside Analogues. Part 20. Kinetics of the Multistage Reactions of 6-Substituted Purine Nucleosides with Aqueous Alkalies.

LOENNBERG, H., KAEPPI, R., LEHIKOINEN, P., OIVANEN, M.

Journal:

Year:

1987

File:

PDF, 205 KB

1987

34

ChemInform Abstract: 7-Methylguanine Nucleotides and Their Structural Analogues; Protolytic Equilibria, Complexing with Magnesium(II) Ion and Kinetics for Alkaline Opening of the Imidazole Ring

DARZYNKIEWICZ, E., LABADI, I., HABER, D., BURGER, K., LOENNBERG, H.

Journal:

Year:

1988

File:

PDF, 118 KB

1988

35

ChemInform Abstract: Mechanisms for the Solvolytic Decompositions of Nucleoside Analogues. Part B. Reactions of Adenine Nucleosides with Aqueous Alkalies: Kinetics and Mechanism.

LEHIKOINEN, P., MATTINEN, J., LOENNBERG, H.

Journal:

Year:

1987

File:

PDF, 80 KB

1987

36

ChemInform Abstract: 4-(Acetylthio)-2,2-dimethyl-3-oxobutyl and 4-(tert-Butyldisulfanyl)-2,2-dimethyl-3-oxobutyl as Protecting Groups for Nucleoside 5′-Phosphoramidates Derived from L-Alanine Methyl Ester.

Sontakke, Vyankat A., Loennberg, Harri, Ora, Mikko

Journal:

Year:

2015

File:

PDF, 18 KB

2015

37

ChemInform Abstract: COMPLEXING OF 3D TRANSITION METAL IONS WITH 9-SUBSTITUTED PURINES. I. BINDING G SITES IN AQUEOUS SOLUTION

ARPALAHTI, J., LOENNBERG, H.

Journal:

Chemischer Informationsdienst

Year:

1983

File:

PDF, 219 KB

1983

38

ChemInform Abstract: MECHANISMS FOR THE SOLVOLYTIC DECOMPOSITIONS OF NUCLEOSIDE ANALOGS. XI. COMPETITIVE PATHWAYS FOR THE ACIDIC HYDROLYSIS OF 9-(β-D-RIBOFURANOSYL)PURINE

LOENNBERG, H., HEIKKINEN, E.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 90 KB

1985

39

ChemInform Abstract: Complexing of Inosine and Guanosine with Divalent Metal Ions in Aqueous Solution.

LOENNBERG, H., VIHANTO, P.

Journal:

Chemischer Informationsdienst

Year:

1982

File:

PDF, 121 KB

1982

40

ChemInform Abstract: STABILITY CONSTANTS FOR SOME TRANSITION METAL COMPLEXES OF ADENOSINE AND 9-(β-D-RIBOFURANOSYL)PURINE IN AQUEOUS SOLUTION

LOENNBERG, H., ARPALAHTI, J.

Journal:

Chemischer Informationsdienst

Year:

1981

File:

PDF, 129 KB

1981

41

ChemInform Abstract: Mechanisms for the Solvolytic Decompositions of Nucleoside Analogues. Part 9. Pathways for the Alkaline Hydrolysis of 6-Substituted 9-(1-Ethoxyethyl)purines.

LOENNBERG, H., LEHIKOINEN, P., NEUVONEN, K.

Journal:

Chemischer Informationsdienst

Year:

1983

File:

PDF, 126 KB

1983

42

ChemInform Abstract: Mechanisms for the Solvolytic Decompositions of Nucleoside Analogues. Part 12. Further Studies on the Alkaline Hydrolysis of 9-(1-Alkoxyethyl)purines.

LOENNBERG, H., LUKKARI, J., LEHIKOINEN, P.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 148 KB

1985

43

ChemInform Abstract: Mechanisms for the Solvolytic Decompositions of Nucleoside Analogues. Part 14. Effect of Base-stacking on the Alkaline Cleavage of 9-(1-Ethoxyethyl)purine.

LOENNBERG, H., YLIKOSKI, J.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 101 KB

1985

44

ChemInform Abstract: Thermal Expansion and Phase Analytical Studies of Nb 2 C.

LOENNBERG, B., LUNDSTROEM, T.

Journal:

Chemischer Informationsdienst

Year:

1986

File:

PDF, 122 KB

1986

45

ChemInform Abstract: MECHANISMS FOR THE SOLVOLYTIC DECOMPOSITIONS OF NUCLEOSIDE ANALOGS. XIII. REACTION OF 9-(β-D-RIBOFURANOSYL)PURINE WITH ALKALIES: KINETICS AND MECHANISM

LOENNBERG, H., LEHIKOINEN, P.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 91 KB

1985

46

ChemInform Abstract: Complexing of 3d Transition Metal Ions with 9-Substituted Purines. Part 4. The Effect of Base-stacking on the Basicity und Complexing-ability.

ARPALAHTI, J., LOENNBERG, H.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 118 KB

1985

47

III. Ein Fall von ungewöhnlich kleinem Foetus compressus

Loennberg, Ingolf

Journal:

Gynecologic and Obstetric Investigation

Year:

1902

Language:

german

File:

PDF, 1.01 MB

german, 1902

48

ChemInform Abstract: A Study of the Microhardness in the Homogeneity Ranges of NbB 2 and TaB 2 .

LUNDSTROEM, T., LOENNBERG, B., WESTMAN, I.

Journal:

Chemischer Informationsdienst

Year:

1984

File:

PDF, 107 KB

1984

49

ChemInform Abstract: A Study of the Microhardness in the Homogeneity Ranges of NbB 2 and TaB 2 .

LUNDSTROEM, T., LOENNBERG, B., WESTMAN, I.

Journal:

Chemischer Informationsdienst

Year:

1984

File:

PDF, 107 KB

1984

50

ChemInform Abstract: Schiffs Bases as Intermediates in the Hydrolytic Decomposition of 2-Alkyl-3-methyl- 1,3-oxazolidines in Aqueous Acid.

PIHLAJA, K., PARKKINEN, A., LOENNBERG, H.

Journal:

Chemischer Informationsdienst

Year:

1983

File:

PDF, 116 KB

1983

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

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