112733-28-5Relevant articles and documents
Efficient preparation of 3-substituted quinazolinediones directly from anthranilic acids and isocyanates
Koay, Natalie,Campeau, Louis-Charles
scheme or table, p. 473 - 478 (2011/05/14)
An efficient and practical synthesis of 3-substituted quinazolinediones is described. The protocol uses readily available isocyanates and anthranilic acids as precursors in a one-pot operation and has been demonstrated on >50 g scale. Isolation of the pro
PROCESS FOR PRODUCING QUINAZOLINE DERIVATIVE OR SALT THEREOF
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, (2008/06/13)
This invention provides a novel industrial process for preparation of a quinazoline derivative (I) represented by the general formula: in which R1 is hydrogen or halogen,R2 is protected carboxy,R3 is ar(lower)alkyl which m