Location effect of an OH group on the chemiluminescence efficiency of 4-hydroperoxy-2-(o-, m-, or p-hydroxyphenyl)-4,5-diphenyl-4H-isoimidazoles

Tetrahedron Letters

Volumn 46, Issue 11, 2005, Pages 1877-1880

  Tsunenaga, Mitsuru ^a   Iga, Hiroshi ^a   Kimura, Masaru ^a  

^a OKAYAMA UNIVERSITY   (Japan)

Author keywords

Chemiluminescence; Conical intersection; Hydrogen bond; Lophine peroxide

Indexed keywords

HYDROXYL GROUP; IMIDAZOLE DERIVATIVE; PEROXIDE; POTASSIUM HYDROXIDE;

ARTICLE; CHEMICAL ANALYSIS; CHEMICAL STRUCTURE; CHEMOLUMINESCENCE; ISOMERIZATION; STRUCTURE ANALYSIS;

EID: 13944262204     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2005.01.084     Document Type: Article

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22. Probable emitters are final products, which are believed to be the corresponding fluorescent amidine derivatives 5, but any fluorescence related to their chemiluminescene was not observed from resulted solutions of 4. From the resulted solution of 4a, monobenzoylamidine 12 was isolated quantitatively. In the chemiluminescent reaction of lophine peroxides, confirmation of emitter is an important work but acylated amidines are occasionally hard to be isolated. An emitter of the case of the standard lophine peroxide 4g also has not been known. Amidine 5g, which was synthesized by independent method, was not fluorescent. See Ref. 1b