Journal fur Praktische Chemie - Chemiker-Zeitung p. 225 - 229 (1993)
Update date:2022-07-30
Topics: Ozonolysis Photooxygenation
Atta, Sanna M. Sh.
Hishmat, Orchidee H.
Wamhoff, Heinrich
The photooxygenation of 4-methoxy-7-methyl-5H-furo<3,2-g><1>benzopyran-5-one (Visnagin, 1) in methanol in absence and in presence of a sensitizer (methylene blue) has been studied. 6-Formyl-7-hydroxy-5-methoxy-2-methylchromone (4a), methyl 7-hydroxy-5-met
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