100560-01-8Relevant academic research and scientific papers
Quinazoline Carboxylic Acids, V: 1,4-Dihydro-quinazoline-4-on-1-yl-acetic Acids and Esters
Suesse, Manfred,Johne, Siegfried
, p. 499 - 510 (2007/10/02)
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
