| Photoinduced electron transfer in phytochlorin−[60] fullerene dyads NV Tkachenko, L Rantala, AY Tauber, J Helaja, PH Hynninen, ... Journal of the American Chemical Society 121 (40), 9378-9387, 1999 | 325 | 1999 |
| Tosylation and acylation of cellulose in 1-allyl-3-methylimidazolium chloride M Granström, J Kavakka, A King, J Majoinen, V Mäkelä, J Helaja, ... Cellulose 15, 481-488, 2008 | 103 | 2008 |
| Cycloisomerization of 2-alkynylanilines to indoles catalyzed by carbon-supported gold nanoparticles and subsequent homocoupling to 3, 3′-biindoles JE Perea-Buceta, T Wirtanen, OV Laukkanen, MK Mäkelä, M Nieger, ... Angew. Chem. Int. Ed 52 (45), 11835-11839, 2013 | 102 | 2013 |
| Chlorophylls. IX. The first phytochlorin–fullerene dyads: synthesis and conformational studies AY Tauber, NV Tkachenko, PH Hynninen Journal of the Chemical Society, Perkin Transactions 1, 2403-2408, 1999 | 69 | 1999 |
| Locked Conformations for Proline Pyrrolidine Ring: Synthesis and Conformational Analysis of cis- and trans-4-tert-Butylprolines AMP Koskinen, J Helaja, ETT Kumpulainen, J Koivisto, H Mansikkamäki, ... The Journal of Organic Chemistry 70 (16), 6447-6453, 2005 | 58 | 2005 |
| Carbocatalysed Oxidative C C Homocouplings of Benzo‐Fused Heterocycles T Wirtanen, MK Mäkelä, J Sarfraz, P Ihalainen, S Hietala, M Melchionna, ... Advanced Synthesis & Catalysis 357 (16‐17), 3718-3726, 2015 | 44 | 2015 |
| Noncovalent attachment of pyro-pheophorbide a to a carbon nanotube JS Kavakka, S Heikkinen, I Kilpeläinen, M Mattila, H Lipsanen, J Helaja Chemical communications, 519-521, 2007 | 44 | 2007 |
| Gold‐Catalyzed Conversion of Aryl‐ and Alkyl‐Substituted 1‐(o‐Aminophenyl)‐2‐propyn‐1‐ones to the Corresponding 2‐Substituted 4‐Quinolones O Seppaenen, M Muuronen, J Helaja European Journal of Organic Chemistry 2014 (19), 4044-4052, 2014 | 42 | 2014 |
| Cationic Gold Catalysis with Pyridine-Tethered Au (III) NHC-Carbenes: An Experimental and DFT Computational Study M Muuronen, JE Perea-Buceta, M Nieger, M Patzschke, J Helaja Organometallics 31 (11), 4320-4330, 2012 | 42 | 2012 |
| A new catalytic hetero-Heck type reaction J Helaja, R Göttlich Chemical communications, 720-721, 2002 | 42 | 2002 |
| Development of Bis (2‐picolyl) amine–Zinc Chelates for Imidazole Receptors T Routasalo, J Helaja, J Kavakka, AMP Koskinen European Journal of Organic Chemistry 2008 (18), 3190-3199, 2008 | 41 | 2008 |
| NH tautomerism in the dimethyl ester of bonellin, a natural chlorin J Helaja, FP Montforts, I Kilpeläinen, PH Hynninen The Journal of Organic Chemistry 64 (2), 432-437, 1999 | 41 | 1999 |
| Effect of Mutual Position of Electron Donor and Acceptor on Photoinduced Electron Transfer in Supramolecular Chlorophyll–Fullerene Dyads K Stranius, V Iashin, T Nikkonen, M Muuronen, J Helaja, N Tkachenko The Journal of Physical Chemistry A 118 (8), 1420-1429, 2014 | 34 | 2014 |
| NH tautomerism in the natural chlorin derivatives J Helaja, M Stapelbroek-Möllmann, I Kilpeläinen, PH Hynninen The Journal of Organic Chemistry 65 (12), 3700-3707, 2000 | 34 | 2000 |
| Photoreductive Removal of O-Benzyl Groups from Oxyarene N-Heterocycles Assisted by O-Pyridine–pyridone Tautomerism AR Todorov, T Wirtanen, J Helaja The Journal of Organic Chemistry 82 (24), 13756-13767, 2017 | 31 | 2017 |
| Isolation of a Zwitterionic Dienegold (III) Complex Intermediate in the Direct Conversion of Enyne–Amines to Cyclopentadienes M Melchionna, M Nieger, J Helaja Chemistry–A European Journal 28 (16), 8262-8267, 2010 | 31 | 2010 |
| Novel crown ether and Salen metal chelation driven molecular pincers AMM Abe, J Helaja, AMP Koskinen Organic Letters 8 (20), 4537-4540, 2006 | 30 | 2006 |
| Electronic Regioselectivity of Diarylalkynes in Cobalt-Mediated Pauson–Khand Reaction: An Experimental and Computational Study with Para-and Meta-Substituted Diarylalkynes and … E Fager-Jokela, M Muuronen, M Patzschke, J Helaja The Journal of Organic Chemistry 77 (20), 9134-9147, 2012 | 29 | 2012 |
| Regioselectivity of Intermolecular Pauson–Khand Reaction of Aliphatic Alkynes: Experimental and Theoretical Study of the Effect of Alkyne Polarization E Fager-Jokela, M Muuronen, H Khaizourane, A Vazquez-Romero, ... The Journal of Organic Chemistry 79 (22), 10999-11010, 2014 | 28 | 2014 |
| Biomimetic zinc chlorin–poly (4-vinylpyridine) assemblies: doping level dependent emission–absorption regimes V Pale, T Nikkonen, J Vapaavuori, M Kostiainen, J Kavakka, J Selin, ... Journal of Materials Chemistry C 1 (11), 2166-2173, 2013 | 28 | 2013 |
