Russian Chemical Bulletin p. 2117 - 2120 (1999)
Update date:2022-08-11
Topics:
Sosnovskikh
Kutsenko
The reactions of 2-trichloromethylchromones with trimethylenediamine in ethanol at room temperature afford 2-(2-hydroxyaroylmethylene)hexahydropyrimidines. Under analogous conditions, 2-methylchromone gives a mixture of N,N′-trimethylenebis[3-amino-1-(2′-hydroxyphenyl)-2-buten-1-one] and N,N′-trimethylenebis(imine) of 2-hydroxyacetophenone.
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