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SYNTHESIS OF COUMARIN DERIVATIVES BASED ON MELDRUM ACID AND ITS ANALOGUES
Journal: International Journal of Advanced Research (Vol.7, No. 10)Publication Date: 2019-10-02
Authors : Amanova N.D Khaitova.J.M Ruzieva.B.Y; Boltaev.B.O.;
Page : 802-806
Keywords : synthesis physicochemical properties malonic acid ketone; experimental physical Meldrum acid coumarin.;
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Abstract
The article studied the interaction of malonic acid and acetic anhydride with ketones, aldehydes of the fatty, aromatic and carbocyclic series (yields from 16 to 76%). Based on experimental and physical data, it is proved that Meldrum acid exists in solutions in the form of an equilibrium mixture of rapidly convertible conformers.
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Last modified: 2019-11-30 20:25:00