Monatshefte fur Chemie p. 499 - 510 (1986)
Update date:2022-07-31
Topics:
Suesse, Manfred
Johne, Siegfried
1,4-Dihydro-quinazoline-4-on-1-yl-acetic acids 5 were prepared by reaction of 3,1-benzoxazine-2,4-diones 1 with ammonia to 2.Cyclisation of 2 gave 4 and their hydrolysis lead to 5. 2-Substituted quinazolinones 9 could be obtained by reaction of 2 with aci
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