Preparation of dibenzylidenecyclohexanone compounds and the reaction of these compounds with N, N-dimethylbarbituric acid and dimedone free catalyst.

The research carried out in this research work consists of three parts: in the first stage, the preparation of derivatives of dibenzylidenecyclohexanone was prepared based on Aldol density,1 and in the second step, the reaction of dibenzylidenecyclohexanone compounds with dimethylbarbituric acid Based on the reaction of Michael's addition, in the third step, the reaction of the compounds of dibenzylidenecyclohexanone with dimedone, which is based on the reaction of Michael's addition. To prepare the compounds of dibenzylidenecyclohexanone was synthesized from cyclohexanone with benzaldehyde derivatives,2 with a molar ratio of 1 to 2, all of which were derivatives as symmetrical reactions. These compounds were made of curcumin, which is produced by the change in the ketone group Also come into existence. The reaction carried out in ethylene glycol solvent at 110 0C in the absence of any catalyst to give high yields at short time.3 All synthesized compounds are stable solids whose structures were determined on the basis of their mass spectrum, 1H, and 13C NMR and IR spectroscopic data.

کلیدواژه ها:

Spiro heterocycle ، Michael Addition ، N ، N-Dimethyl barbituric acid ، Dimedone ، Dibenzylidenecyclohexanone ، Free catalyst ، Ethylene glycol.