Harri Lönnberg

Author PubWeight™ 29.33‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Kinetics and Mechanisms for the Cleavage and Isomerization of the Phosphodiester Bonds of RNA by Brønsted Acids and Bases. Chem Rev 1998 2.08
2 Yersiniophage phiR1-37 is a tailed bacteriophage having a 270 kb DNA genome with thymidine replaced by deoxyuridine. Microbiology 2005 1.22
3 Artificial ribonucleases. Org Biomol Chem 2005 1.18
4 Chemical models for ribozyme action. Curr Opin Chem Biol 2005 0.91
5 68Ga-labeled oligonucleotides for in vivo imaging with PET. J Nucl Med 2004 0.90
6 The reactivity of phosphodiester bonds within linear single-stranded oligoribonucleotides is strongly dependent on the base sequence. Nucleic Acids Res 2002 0.90
7 Synthesis of oligonucleotide glycoconjugates using sequential click and oximation ligations. Bioconjug Chem 2010 0.83
8 Derivatization of phosphopeptides with mercapto- and amino-functionalized conjugate groups by phosphate elimination and subsequent Michael addition. Org Biomol Chem 2005 0.82
9 Hybridization properties of support-bound oligonucleotides: the effect of the site of immobilization on the stability and selectivity of duplex formation. Bioconjug Chem 2003 0.82
10 Utilization of intrachain 4'-C-azidomethylthymidine for preparation of oligodeoxyribonucleotide conjugates by click chemistry in solution and on a solid support. Bioconjug Chem 2008 0.82
11 Solid-supported synthesis and click conjugation of 4'-C-alkyne functionalized oligodeoxyribonucleotides. Bioconjug Chem 2010 0.82
12 Hydrolytic reactions of diribonucleoside 3',5'-(3'-N-phosphoramidates): kinetics and mechanisms for the P-O and P-N bond cleavage of 3'-amino-3'-deoxyuridylyl-3',5'-uridine. J Am Chem Soc 2002 0.81
13 Solid-supported 2'-O-glycoconjugation of oligonucleotides by azidation and click reactions. Bioconjug Chem 2011 0.81
14 Thio effects on the departure of the 3'-linked ribonucleoside from diribonucleoside 3',3'-phosphorodithioate diesters and triribonucleoside 3',3',5'-phosphoromonothioate triesters: implications for ribozyme catalysis. Chemistry 2007 0.80
15 2,6-Bis(functionalized) purines as metal-ion-binding surrogate nucleobases that enhance hybridization with unmodified 2'-O-methyl oligoribonucleotides. Org Biomol Chem 2013 0.80
16 An Orthogonally Protected alpha,alpha-bis(aminomethyl)-beta-alanine building block for the construction of glycoconjugates on a solid support. J Org Chem 2002 0.80
17 Participation of an additional 4'-hydroxymethyl group in the cleavage and isomerization of ribonucleoside 3'-phosphodiesters. Org Biomol Chem 2015 0.80
18 Phosphodiester cleavage of ribonucleoside monophosphates and polyribonucleotides by homo- and heterodinuclear metal complexes of a cyclohexane-based polyamino-polyol ligand. Chemistry 2003 0.79
19 Solid-phase synthesis of multiantennary oligonucleotide glycoconjugates utilizing on-support oximation. Bioconjug Chem 2004 0.79
20 Stabilisation of the transition state of phosphodiester bond cleavage within linear single-stranded oligoribonucleotides. Org Biomol Chem 2003 0.79
21 Di(azacrown) conjugates of 2'-O-methyl oligoribonucleotides as sequence-selective artificial ribonucleases. Bioconjug Chem 2007 0.79
22 Acetylated and methylated β-cyclodextrins as viable soluble supports for the synthesis of short 2′-oligodeoxyribo-nucleotides in solution. Molecules 2012 0.79
23 Simultaneous interaction with base and phosphate moieties modulates the phosphodiester cleavage of dinucleoside 3',5'-monophosphates by dinuclear Zn2+ complexes of di(azacrown) ligands. J Am Chem Soc 2006 0.78
24 Base moiety selectivity in cleavage of short oligoribonucleotides by di- and tri-nuclear Zn(II) complexes of azacrown-derived ligands. Org Biomol Chem 2009 0.78
25 Bisphosphonate derivatives of nucleoside antimetabolites: hydrolytic stability and hydroxyapatite adsorption of 5'-beta,gamma-methylene and 5'-beta,gamma-(1-hydroxyethylidene) triphosphates of 5-fluorouridine and ara-cytidine. J Org Chem 2008 0.78
26 The base sequence dependent flexibility of linear single-stranded oligoribonucleotides correlates with the reactivity of the phosphodiester bond. Org Biomol Chem 2003 0.78
27 Solid-supported NOTA and DOTA chelators useful for the synthesis of 3'-radiometalated oligonucleotides. Bioconjug Chem 2012 0.78
28 Solid-supported synthesis of cryptand-like macrobicyclic peptides. J Org Chem 2003 0.77
29 Zn2+ complexes of di- and tri-nucleating azacrown ligands as base-moiety-selective cleaving agents of RNA 3',5'-phosphodiester bonds: binding to guanine base. Chembiochem 2008 0.77
30 Reactions of 9-substituted guanines with bromomalondialdehyde in aqueous solution predominantly yield glyoxal-derived adducts. Org Biomol Chem 2004 0.76
31 Preparation of azacrown-functionalized 2'-O-methyl oligoribonucleotides, potential artificial RNases. Bioconjug Chem 2004 0.76
32 Biodegradable protections for nucleoside 5'-monophosphates: comparative study on the removal of O-acetyl and O-acetyloxymethyl protected 3-hydroxy-2,2-bis(ethoxycarbonyl)propyl groups. J Org Chem 2009 0.76
33 Phosphoester Hydrolysis and Intramolecular Transesterification of Ribonucleoside 2'- and 3'-Phosphoromonothioate Triesters: Kinetics and Mechanisms for the Reactions of 5'-O-Methyluridine 2'- and 3'-Dimethylphosphoromonothioates. J Org Chem 1997 0.76
34 Pentaerythrityltetramine scaffolds for solid-phase combinatorial chemistry. J Org Chem 2004 0.76
35 Synthesis and enzymatic deprotection of fully protected 2'-5' oligoadenylates (2-5A): towards a prodrug strategy for short 2-5A. Chem Biodivers 2012 0.76
36 Hydrolytic reactions of thymidine 5'-o-phenyl-N-alkylphosphoramidates, models of nucleoside 5'-monophosphate prodrugs. Chemistry 2007 0.75
37 2,2-Disubstituted 4-acylthio-3-oxobutyl groups as esterase- and thermolabile protecting groups of phosphodiesters. J Org Chem 2013 0.75
38 3-Acetyloxy-2-cyano-2-(alkylaminocarbamoyl)propyl groups as biodegradable protecting groups of nucleoside 5´-mono-phosphates. Molecules 2011 0.75
39 Chemical and enzymatic stability of amino acid derived phosphoramidates of antiviral nucleoside 5'-monophosphates bearing a biodegradable protecting group. Org Biomol Chem 2010 0.75
40 A promising approach for treatment of tumor-induced bone diseases: utilizing bisphosphonate derivatives of nucleoside antimetabolites. Bone 2010 0.75
41 Preparation of hexaaza and heptaaza macrocycles functionalized with a single aminoalkyl pendant arm. Org Biomol Chem 2003 0.75
42 A mixed-phase immunoassay based on simultaneous binding of fluorescently tagged and PNA-conjugated peptide epitopes on antibodies: quantification on PNA-coated microparticles. Bioconjug Chem 2006 0.75
43 Solid-phase synthesis of 4(5),1',5'-trisubstituted 2,4'-biimidazoles. J Org Chem 2009 0.75
44 Metal ion promoted cleavage of RNA phosphodiester bonds: from Zn(II) aqua ion to artificial ribonucleases. Nucleic Acids Symp Ser (Oxf) 2007 0.75
45 Macrocyclic amines as catalysts of the hydrolysis of the triphosphate bridge of the mRNA 5'-cap structure. Org Biomol Chem 2003 0.75
46 Orthogonally protected cyclo-beta-tetrapeptides as solid-supported scaffolds for the synthesis of glycoclusters. J Org Chem 2006 0.75
47 The Zn(2+) complex of 1,4,7,10-tetraazacyclododecane as an artificial nucleobase. Nucleosides Nucleotides Nucleic Acids 2011 0.75
48 Effective anomerisation of 2'-deoxyadenosine derivatives during disaccharide nucleoside synthesis. Nucleosides Nucleotides Nucleic Acids 2004 0.75
49 Synthesis of phosphate-branched oligonucleotides. Bioconjug Chem 2004 0.75
50 Selective circular oligonucleotide probes improve detection of point mutations in DNA. Chem Biodivers 2004 0.75
51 Synthesis of modified nucleosides for incorporation of formyletheno and carboxyetheno adducts of adenine nucleosides into oligonucleotides. Nucleosides Nucleotides Nucleic Acids 2007 0.75
52 Synthesis of an oligonucleotide analogue of ethenoadenosine. Nucleosides Nucleotides Nucleic Acids 2003 0.75
53 Metal ion complexes of macrocyclic polyamines enhance both the phosphate hydrolysis and imidazole ring opening of RNA 5'-cap structure. Chem Biodivers 2005 0.75
54 Polyazacyclophanes incorporating two pyridine units and a heteroaromatic pendant group as potential cleaving agents of mRNA 5'-cap structure. Chem Biodivers 2005 0.75
55 Synthesis and cellular uptake of fluorescently labeled multivalent hyaluronan disaccharide conjugates of oligonucleotide phosphorothioates. Bioconjug Chem 2008 0.75
56 Bimetallic complexes of spiro-azacrown ligands as catalysts of phosphoester and phosphoric anhydride cleavage. Chem Biodivers 2004 0.75
57 Mixed-phase hybridization of short oligodeoxyribonucleotides on microscopic polymer particles: effect of one-base mismatches on duplex stability. Bioconjug Chem 2002 0.75
58 An aminooxy-functionalized non-nucleosidic phosphoramidite for the construction of multiantennary oligonucleotide glycoconjugates on a solid support. Curr Protoc Nucleic Acid Chem 2005 0.75
59 Sequence-selective cleavage of oligoribonucleotides by 3d transition metal complexes of 1,5,9-triazacyclododecane-functionalized 2'-O-methyl oligoribonucleotides. Bioconjug Chem 2004 0.75
60 Synthesis and enzymatic deprotection of biodegradably protected dinucleoside-2',5'-monophosphates: 3-(acetyloxy)-2,2-bis(ethoxycarbonyl)propyl phosphoesters of 3'-O-(acyloxymethyl)adenylyl-2',5'-adenosines. Chem Biodivers 2011 0.75
61 The cleavage of the triphosphate bridge of a model for the 5'-cap mRNA promoted by dinuclear bicyclic complexes with metal ions. Nucleosides Nucleotides Nucleic Acids 2003 0.75
62 Phosphodiester cleavage of guanylyl-(3',3')-(2'-amino-2'-deoxyuridine): rate acceleration by the 2'-amino function. J Am Chem Soc 2005 0.75
63 Intramolecular participation of amino groups in the cleavage and isomerization of ribonucleoside 3'-phosphodiesters: the role in stabilization of the phosphorane intermediate. Chemistry 2013 0.75
64 2,2-Bis(ethoxycarbonyl)- and 2-(alkylaminocarbonyl)-2-cyano-substituted 3-(pivaloyloxy)propyl groups as biodegradable phosphate protections of oligonucleotides. Bioconjug Chem 2005 0.75
65 Hydrolysis of a mRNA 5'-cap model substrate, 5',5'-ApppA by di- and trinuclear zinc(II) complexes of a polyamino-polyol ligand. J Inorg Biochem 2005 0.75
66 Solid-phase synthesis of 7-substituted 3H-imidazo[2,1-i]purines. Org Biomol Chem 2006 0.75
67 Solid-phase synthesis of oligonucleotide glycoconjugates bearing three different glycosyl groups: orthogonally protected bis(hydroxymethyl)-N,N'-bis(3-hydroxypropyl)malondiamide phosphoramidite as key building block. J Org Chem 2004 0.75
68 Quantification of mixed-phase hybridization on polymer microparticles by europium(III) ion fluorescence. Methods Mol Biol 2007 0.75
69 A comparative study on the cleavage of stereoisomeric uridylyl(3',5')uridines [D,D-, D,L- and L,D-UpU] by acid, base and metal ion catalysts. Orig Life Evol Biosph 2002 0.75