Aseries of novel quinazoline derivatives, which may be drug candidates, were synthesized, and their structures were characterized by IR, 1H NMR, 13C NMR and Q-TOF LC/MS spectrometry. First, 2-(4-chloro-phenyl)-quinazoline-4-carboxylic acid (2) was synthesized from a one-pot three-component condensation reaction of (2-amino-phenyl)-oxo-acetic acid so- dium salt obtained from alkaline hydrolysis of isatin (indole-2,3-dione) with 4-chlorobenzaldehyde and ammonium acetate. The carboxylic acid compound 2 allowed the synthesis of the ester, acid chloride and amide derivatives. New quinazoline ester derivatives (3-6, 8) were synthesized by the reactions of compound 2 and various alcohols. Quinazoline amide derivatives (9-13) were then obtained from the reaction of different aliphatic and aromatic amines and 2-(4-chloro-phenyl)-quinazoline-4-carbonyl chloride (7) formed from the reaction of SOCl2 and compound 2.
İlaç adayları olabilecek bir dizi yeni kinazolin türevleri sentezlendi ve yapıları IR, 1H NMR, 13C NMR ve Q-TOF LC/MS spektrometresi ile karakterize edildi. Önce amonyum asetat ve 4-klorobenzaldehit ile isatinin (indol-2,3-dion) hidrolizinden elde edilen (2-amino-fenil)-okso-asetik asit sodyum tuzunun aynı ortamda üç bileşenli kondenzasyon reaksiyonundan 2-(4-klorofenil)-kinazolin-4-karboksilik asit (2) sentezlendi. Karboksilik asit bileşiği 2, ester, asit klorür ve amit türevlerinin sentezine izin verdi. Yeni kinazolin ester türevleri (3-6, 8), 2 bileşiği ve çeşitli alkollerin reaksiyonlarından sentezlendi. Daha sonra kinazolin amit türevleri (9-13), çeşitli alifatik ve aromatik aminlerin 2 bileşiği ve SOCl2’ün reaksiyonundan oluşan 2-(4-kloro-fenil)-kinazolin-4-karbonil klorürün (7) reaksiyonundan elde edildi.
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