Synthesis of Benzoxazines, 3,4-Dihydroquinazolines and Quinazolinethiones
摘要:
Reaction of aldehydes, ketones, imines and isothiocyanates with N-(2-bromophenyl) ethylimidates la in presence of lithium, is considered as an original route to 4H-3, 1-benzoxazines, 3,4-dihydroquinazolines and 4(3H)-quinazolinethiones.
Synthesis of Heterocyclic Skeletons by the Reaction of N1-(2-Cyanophenyl)-benzimidoyl Chloride with Thioamides
作者:Walid Fathalla、Pavel Pazdera
DOI:10.3390/70100096
日期:——
The reaction of N-(2-cyanophenyl)benzimidoyl chloride with reagents containing a thioamide moiety, i.e. thioacetamide, benzylthiourea, symmetrical dialkyl- and diarylthioureas gave different cyclic products: 3,1-benzothiazine, 1,3,5-benzotriazocine and quinazoline. The reaction pathways of prepared compounds are discussed.
LATIF, N.;MISHRIKY, N.;ASSAD, FAHMY, M., INDIAN J. CHEM., 1981, 20, N 2, 118-120
作者:LATIF, N.、MISHRIKY, N.、ASSAD, FAHMY, M.
DOI:——
日期:——
Latif, N.; Mishriky, N.; Assad, Fahmy M., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1981, vol. 20, # 2, p. 118 - 120
作者:Latif, N.、Mishriky, N.、Assad, Fahmy M.
DOI:——
日期:——
Synthesis of Benzoxazines, 3,4-Dihydroquinazolines and Quinazolinethiones
作者:M. L. ElEfrit、B. Hajjem、H. Zantour、B. Baccar
DOI:10.1080/00397919608004625
日期:1996.9
Reaction of aldehydes, ketones, imines and isothiocyanates with N-(2-bromophenyl) ethylimidates la in presence of lithium, is considered as an original route to 4H-3, 1-benzoxazines, 3,4-dihydroquinazolines and 4(3H)-quinazolinethiones.