Regioselective phenyl-substitution effects on the solvatochromism of 2-phenylimidazo[1,2-a]pyrazin-3(7H)-one derivatives: Expansion of the color variation range of a visible indicator for the proton donor ability of solvents

Tetrahedron Letters

Volumn 45, Issue 46, 2004, Pages 8531-8534

  Fujio, Shunsuke ^a   Hashizume, Daisuke ^a   Takamuki, Yoshiharu ^a   Yasui, Masanori ^a   Iwasaki, Fujiko ^a   Maki, Shojiro ^a   Niwa, Haruki ^a   Ikeda, Hiroshi ^b   Hirano, Takashi ^a  

^a UNIVERSITY OF ELECTRO COMMUNICATIONS   (Japan)

^b TOHOKU UNIVERSITY   (Japan)

Author keywords

Absorption spectra; Hydrogen bond; Solvatochromism; Substitution effect

Indexed keywords

BENZENE DERIVATIVE; INDICATOR; KETONE DERIVATIVE; PROTON; PYRAZINE DERIVATIVE; SOLVENT;

ARTICLE; CHEMICAL ANALYSIS; CHEMICAL STRUCTURE; COLOR; REACTION ANALYSIS; SUBSTITUTION REACTION;

EID: 5644243105     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2004.09.106     Document Type: Article

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