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Structure and condensation reactions of 2,3-dihydrofuro[3,2-c]coumarin-3-one |
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| Authors: | N A Kondratova O N Kazheva G G Aleksandrov A N Chekhlov O A D��yachenko V F Traven |
| Institution: | 1. D. I. Mendeleev University of Chemical Technology of Russia, 9 pl. Miusskaya, 125047, Moscow, Russian Federation 2. Institute of Problems of Chemical Physics, Russian Academy of Sciences, 1 prosp. Akad. Semenova, 142432, Chernogolovka, Moscow Region, Russian Federation 3. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 119991, Moscow, Russian Federation |
| Abstract: | 2,3-Dihydrofuro3,2-c]coumarin-3-one was synthesized in quantitative yield from 3-(??-bromoacetyl)-4-hydroxycoumarin in the presence of nucleophiles (including solvents). This compound undergoes keto-enol tautomerization and easily reacts with aromatic and heteroaromatic aldehydes to form crotonization products having a Z configuration and exhibiting strong fluorescence. |
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