| 摘要 |
<p>The pyrimidylquinazolines of the formula I <IMAGE> in which R<1> and R<2> are hydrogen, alkyl with 1 to 6 C atoms, alkenyl with 2 to 6 C atoms, cycloalkyl with 5 to 7 C atoms, R<3> is hydrogen, alkyl with 1 to 6 C atoms, alkenyl with 2 to 6 C atoms, phenyl, phenylalkyl with 1 to 4 C atoms in the alkyl radical, halogen, nitro, amino, alkylcarbonylamino with 1 to 6 C atoms in the alkyl radical, phenylcarbonylamino or formyl, are prepared by a) reacting a compound of the formula II <IMAGE> where X is a mercapto radical or a halogen atom, with a compound of the formula III <IMAGE> or b) reacting 2-piperazinyl-4-amino-6,7-dimethoxyquinazoline with a compound of the formula V <IMAGE> in which Hal is a halogen atom, or c) in a compound of the formula VI.</p> |
