1,3-Propanediamine → HCID 21398412, compound

Participants

Reaction Steps

16.4 Parts of o-acetyl-benzoic acid and 8 parts of 1,3-propanediamine are heated for 2 hours at 150°-160°. The reaction mixture is then distilled under high vacuum. The 10b-methyl-1,3,4,10b-tetrahydro-pyrimido[2,1-a]isoindol -6(2H)-one obtained of the formula ##STR35## boils at 120°-123°/0.1 Torr. After recrystallising from ethyl acetate/benzine, it melts at 64.5°. The following compounds are obtained in an analogous manner:

Provenance & Evidence