A novel and one-pot synthesis of 2-aryl/alkyl-4(3H)-quinazolinones is described. The in situ prepared amidoximes from the reaction between nitriles and hydroxylamine are condensed with anthranilic acidsunder solvent- and catalyst-free conditions to produce the title compounds in excellent yields.
Unveiling the Untapped Potential of Bertagnini’s Salts in Microwave-Assisted Synthesis of Quinazolinones
作者:Shyamal Kanti Bera、Sourav Behera、Lidia De Luca、Francesco Basoccu、Rita Mocci、Andrea Porcheddu
DOI:10.3390/molecules29091986
日期:——
Microwave-assisted organic synthesis (MAOS) has emerged as a transformative technique in organic chemistry, significantly enhancing the speed, efficiency, and selectivity of chemical reactions. In our research, we have employed microwave irradiation to expedite the synthesis of quinazolinones, using water as an eco-friendly solvent and thereby adhering to the principles of green chemistry. Notably, the purification
Copper-Catalyzed Intramolecular α-C–H Amination via Ring-Opening Cyclization Strategy to Quinazolin-4-ones: Development and Application in Rutaecarpine Synthesis
作者:Srilaxmi M. Patel、Harika Chada、Sonali Biswal、Sonika Sharma、Duddu S. Sharada
DOI:10.1055/s-0037-1611575
日期:2019.8
amination has been developed for the synthesis of quinazolin-4(3H)-onederivatives from commercially available isatoic anhydride and primary and secondary benzylamines via ring-opening cyclization (ROC). This method shows good functional group tolerance and allows access to a range of 2-aryl, 2-alkyl, and spiroquinazolinone derivatives. However, 2-methylquinazolin-4(3H)-one was synthesized from 2-amino-N-isopropylbenzamide