UV/VIS spectral properties of novel natural products from Turkish lichens
Makaleler > Tam Makale · 2005
Yazarlar: Yevgen Posokhov, Şule Erten, Ömer Koz, H. Anİl, Süheyla Kİrmİzİgül, Sİddİk Içli
International Journal of Photoenergy, Uluslararası, Wos, 2005, cilt 7, ss 27-35
DOI: 10.1155/s1110662x0500005x
Özet
UV/VIS spectral characteristics of three new biologically active natural products, isolated from Turkish lichens, have been investigated in solvents of various polarity and proton donating ability. The effect of the solvent on spectral characteristics has been estimated. Quantum chemical calculations with the optimization of molecular geometry were done with the full‐valent semiempirical methods AM1 and PM3 for conformational analysis and in order to discuss the charge distributions and dipole moments in the ground and in the excited states.