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Reaction of Spirocyclic Isopropylidene Malonates with Urea and N,N'-Disubstituted Ureas |
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| Authors: | Z Tetere D Zicane I Ravina M Petrova E Gudriniece |
| Institution: | (1) Riga Technical University, Riga, Latvia |
| Abstract: | Unsubstituted and N-substituted amides of 2-aryl-4-methyl-4-cyclohexene-1-carboxylic acids are formed during the fusion of 2'-aryl-2,2,4'-trimethyl-1,3-dioxan-5-spirocyclohex-4'-ene-4,6-diones with urea and N,N'-disubstituted ureas. |
| Keywords: | amides barbituric acid N N'-disubstituted ureas isopropylidene malonate urea cyclohexene |
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