Journal fur Praktische Chemie - Chemiker-Zeitung p. 255 - 259 (1994)
Update date:2022-08-04
Topics:
Kretzschmann, H.
Meier, H.
The 3-alkoxy-4-methylbenzaldehydes (3a-e) can be obtained by alkylation of the hydroxy compound 1.Reaction with aniline yields the azomethines (4a-e) which enter in an alkaline medium a polycondensation to the title compounds 5a-e.Contrary to the 2-substituted educts, a competitive intramolecular condensation process is principally not possible.Benzoylation of 1 furnisches 3f.However, the corresponding Schiff base 4 f is not capable of a condensation reaction because the ester group is cleaved.
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(1994)
