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Substituent and solvent effects on the UV/vis absorption spectra of 3-N-alkyl-5-carboxy uracils
(Natl Inst Science Communication, New Delhi, 2003)
Absorption spectra of ten 3-N-alkyl-5-carboxy uracils are recorded in fourteen solvents in the range 200-400 nm. The absorption frequencies of carboxy carbonyl electronic transitions are correlated by dual substituent ...