Solvatochromicity of 3-hydroxy-4-(1-(2,4-dihydroxyphenyl)-2-hydroxy-2,2-diphenylethylidene)cyclohexa-2,5-dienone for screening of solvents.
The quinonic compound 3-hydroxy-4-(1-(2,4-dihydroxyphenyl)-2-hydroxy-2,2-diphenylethylidene)cyclohexa-2,5-dienone (I) is synthesised by the reaction of benzil with 1,3-dihydroxybenzene in basic medium. Solution of this compound shows visibly distinct colour differences in different solvents. From the different absorption maxima of the compound in visible spectra it can be used as an excellent analytical reagent to screen different solvents.
Babu
D Suresh
DS
Department of Chemistry, Indian Institute of Technology, Guwahati, Assam, India.
Singh
W Marjit
WM
Kalita
Dipjyoti
D
Baruah
Jubaraj B
JB
D003116:Color; D015394:Molecular Structure; D011809:Quinones / Q000737:chemistry*; D012997:Solvents / Q000737:chemistry*; D013056:Spectrophotometry, Ultraviolet
D011809:Quinones; D012997:Solvents