Synthesis of phthalimido or succinimido[2-aryl-4-oxo-3-{2-phenyi-4(3H)- quinazolinon-3-yl}-1 ,3-thiazolidin-5-yl]ethanoate

Main Authors: Shweta Sharma, Chirag Sharma, Bhawana Thadhaney, G. L. Talesara
Format: Article Journal
Bahasa: eng
Terbitan: , 2009
Subjects:
Online Access: https://zenodo.org/record/5809998
Daftar Isi:
  • Synthetic Organic Chemistry Laboratory, Department of Chemistry, M. L. Sukhadia University, Udaipur-313 001, Rajasthan, India E-mail : gtalesara@yahoo.com Manuscript received 11 June 2008, revised 5 November 2008, accepted 23 December 2008 Treatment of benzoxazine 1 with hydrazine hydrate in ethanol furnished 3-amino-2-phenylquinazolin-4-(3H)- one 2, which upon condensation with aldehydes 3a-d yielded the corresponding 3-arylideneamino derivatives 4a-d. Cyclization of these derivatives using mercaptosuccinic acid afforded l ,3-thiazolidin-4-one ethanoic acids 5a-d, which after esterification with N-hydroxyphthalimide or N-hydroxysuccinimide via acid chlorides produced the respective ethanoic esters 7a-e.