E. Cherbuliez, B. Willhalm, S. Jaccard
1967
Citations
0
Influential Citations
17
Citations
Journal
Helvetica Chimica Acta
Abstract
1-Amino-2-dimethylamino-ethane and 1-amino-3-dimethylamino-propane react with o-methoxycarbonylphenyl isothiocyanate (I) to yield the corresponding 3-(ω-dimethylaminoalkyl)-2-thiono-1,2,3,4-tetrahydroquinazolin-4-ones (V). The tertiary amino group of V is quaternized to the corresponding ammonio derivative VI when treated with methyl iodide in methanol.