115540-80-2Relevant academic research and scientific papers
One-pot, simple, and convenient synthesis of 2-Thioxo-2,3- dihydroquinazolin-4(1H)-ones
Tiwari, Vinod K.,Singh, Desh D.,Hussain, Hakkim A.,Mishra, Bhuwan B.,Singh, Archana
, p. 43 - 48 (2008/09/20)
A simple and convenient method for the synthesis of diverse 2-thioxo-2,3-dihydroquinazolin-4(1H)-ones was developed as one-pot reaction of anthranilic acid esters, primary amines, and bis(benzotriazolyl)methanethione in presence of the amidine base DBU.
Synthesis of 3-Aryl-1H,3H-quinazolin-2,4-diones and Their 2-Thio Analogues
Reddy, Ch. K.,Reddy, P. S. N.,Ratnam, C. V.
, p. 882 - 883 (2007/10/02)
3-Aryl-(2-thio)-1H,3H-quinazolin-2,4-diones (3, R= H, CH3, C2H5; X= O, S) have been obtained by the fusion of isatoic anhydrides (1, R= H, CH3, C2H5) with aryliso(thio)cyanates (2, X= O, S).
