A process for the production of 4-phenyl-2(1H)-quinazolinones and -4a,5,6,8a-tetrahydro-2(1H)-quinazolinones which comprises introducing the desired phenyl radical into a corresponding quinazolin-2,4(1H,3H)-dione by way of a Grignard reaction and hydrolysis of the resulting product.
                            一种生产4-苯基-2(1H)-
喹唑啉酮和-4a,5,6,8a-四氢-2(1H)-
喹唑啉酮的过程,包括通过
格氏试剂反应将所需的苯基基团引入相应的
喹唑啉-2,4(1H,3H)-二酮中,然后对所得产物进行
水解。