Abstract
Resorcinol and 2-methylresorcinol condensation with a-methylaminoacetic aldehyde dimethylacetal in aqueous solutions of hydrogen halides leads to the formation of substituted diarylethylmethylamine hydrohalides, the products of reaction of two resorcinol molecules with one molecule of aminoacetal [1–4]. Meanwhile, the same reactions carried out in dioxane as a solvent in the presence of trifluoromethanesulfonic acid afford the respective calixarenes [5]. For revealing the effect of the length of carbon bridge binding the amino group with the aldehyde or acetal fragment on the synthetic result of this reaction DOI: 10.1134/S1070363208120219
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