Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Virpi Vatanen"'
Publikováno v:
Magnetic Resonance in Chemistry. 37:774-780
Publikováno v:
Journal of Molecular Structure: THEOCHEM. 424:249-255
The torsional potential energy curve of the hydroxyl group of hydroquinone and tetramethyl-hydroquinone cation radicals were explored with various ab initio methods. The minimum and the torsional transition state geometries and energies were computed
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :2483-2488
EPR and ENDOR spectra of the radical cations of 1,4-diamino-9,10-anthraquinone, 1,4-bis(methylamino)9,10-anthraquinone, 1,4-bis(ethylamino)-9,10-anthraquinone, 1,4-bis(butylamino)-9,10-anthraquinone and 1,4-bis(hexylamino)-9,10-anthaquinone were meas
Publikováno v:
Eloranta, J, Vatanen, V, Grönroos, A, Vuolle, M, Mäkelä, R & Heikkilä, H 1996, ' EPR, ENDOR and TRIPLE resonance of amino-substituted 9,10-anthraquinone radicals and the rotation of the amino groups in the solution phase ', Magnetic Resonance in Chemistry, vol. 34, no. 11, pp. 903-907 . https://doi.org/10.1002/(SICI)1097-458X(199611)34:11<903::AID-OMR986>3.0.CO;2-8
EPR, ENDOR and TRIPLE resonance spectra were recorded for 1-amino-9,10-anthraquinone (1-aminoAQ), 2-aminoAQ, 1,2-diaminoAQ, 1.4-diaminoAQ, 1,5-diaminoAQ and 2,6-diaminoAQ anion radicals in the solution phase. The rotation of the amino groups is discu
Autor:
Jens A. Pedersen, Virpi Vatanen
Publikováno v:
J. Chem. Soc., Perkin Trans. 2. :2207-2212
The 1,4-diaminoanthraquinone dyes Disperse Violet 1 and Disperse Blue 14 have been studied by cyclic voltammetry and EPR spectroscopy. The cation radicals, obtained by in situ electrochemical one-electron oxidation, can be characterised as aromatic d
Autor:
Mari Kaartinen, Philip T. Lewis, Erkki Kolehmainen, Raimo Seppälä, Reijo Kauppinen, Virpi Vatanen, Jari Kotoneva, Jukka Sundelin, Kari Lappalainen
Publikováno v:
Magnetic Resonance in Chemistry. 32:441-445
Methyl esters of four common bile acids, 3α-hydroxy-5-β-cholan-24-oic (lithocholic) acid, 3α, 7α-dihydroxy-5β-cholan-24-oic (chenodeoxycholic) acid, 3α,12α-dihydroxy-5β-cholan-24-oic (deoxycholic) acid and 3α,7α,12α-trihydroxy-5β-cholan-2
Publikováno v:
ChemInform. 30
EPR and ENDOR spectra of the radical cations of 1,4-diamino-9,10-anthraquinone, 1,4-bis(methylamino)9,10-anthraquinone, 1,4-bis(ethylamino)-9,10-anthraquinone, 1,4-bis(butylamino)-9,10-anthraquinone and 1,4-bis(hexylamino)-9,10-anthaquinone were meas
Autor:
Raimo Seppälä, Kari Lappalainen, Erkki Kolehmainen, Mari Kaartinen, Virpi Vatanen, Reijo Kauppinen
Publikováno v:
Magnetic Resonance in Chemistry. 32:786-788
The 13C NMR spectra were recorded and assigned for nine derivatives of methyl 5β-cholan-24-oates (esters of bile acids) including hydroxy, oxo and/or acetyloxy groups. Assignments were based on the empirical substituent-induced chemical shifts (SCS)
Publikováno v:
Eloranta, J, Vatanen, V, Grönroos, A, Vuolle, M, Mäkelä, R & Heikkilä, H 1996, ' Comparison of spin density calculation methods for various alkyl-substituted 9,10-anthraquinone anion radicals in the solution phase ', Magnetic Resonance in Chemistry, vol. 34, no. 11, pp. 898-902 . https://doi.org/10.1002/(SICI)1097-458X(199611)34:11<898::AID-OMR985>3.0.CO;2-R
EPR and ENDOR spectra were recorded for 2-methyl-9,10-anthraquinone (2-methylAQ), 2-ethylAQ, 2-tertbutylAQ and 2,3-dimethylAQ anion radicals in the solution phase. The EPR spectra were simulated with the help of ENDOR data. The experimental isotropic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db4d38dd3f937ae863592763c75b403f
https://cris.vtt.fi/en/publications/010f7f0c-7d6e-4c69-83bf-b43d6d1e54a8
https://cris.vtt.fi/en/publications/010f7f0c-7d6e-4c69-83bf-b43d6d1e54a8
Autor:
Kolehmainen, Erkki, Kaartinen, Mari, Kauppinen, Reijo, Kotoneva, Jari, Lappalainen, Kari, Lewis, Philip T., Seppälä, Raimo, Sundelin, Jukka, Vatanen, Virpi
Publikováno v:
Magnetic Resonance in Chemistry; Aug1994, Vol. 32 Issue 8, p441-445, 5p