Results 81 to 90 of about 387 (133)

Crystal engineering with tricyclic quinazoline derivatives [PDF]

Acta Crystallographica Section A Foundations of Crystallography, 2006
K. K. Turgunov, A. Tojiboev, B. Tashkhodjaev   +2 more
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SYNTHESIS OF NEW QUINAZOLINE DERIVATIVES

Heterocyclic Communications, 2004
Milad Baitiche,, Abdallah Mahamoud,, Djaffar Benachour,, Meriem Merbah,, Jacques Barbe,   +4 more
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Interactions of Quinazoline Derivatives with Beta-Amyloid [PDF]

Biophysical Journal, 2018
Praveen Nekkar Rao, Tarek Mohamed, Arash Shakeri   +2 more
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Synthesis of Quinazoline and Quinazolinone Derivatives

, 2020
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Quinazoline derivatives with antitubercular activity

Il Farmaco, 2000
4-Quinazolinol was prepared by the reaction of anthranilic acid and formamide. The hydroxy group was converted into the thiol function by treatment with phosphorus(V)sulfide, and the subsequent alkylation of the thiol group was carried out with alkylhalides under the conditions of phase-transfer catalysis.
J, Kunes, J, Bazant, M, Pour, K, Waisser, M, Slosárek, J, Janota   +5 more
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Planar Chromatography for New Quinazoline Derivatives

Journal of Liquid Chromatography & Related Technologies, 2004
Abstract The quinazoline derivatives (1–6) are potential antitumour preparations. The selectivity of the TLC parameters of six new quinazoline derivatives (1–6) has been investigated on silica gel 60 F 254. Optimisation of the retention and efficiency of these compounds was performed by changing the mixture of eluents and the concentration of modifier ...
K. Błaszczak‐Światkiewicz, E. Mikiciuk‐Olasik, Aleksandra Chomka   +2 more
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Antibacterial effects of trisubstituted quinazoline derivatives

Folia Microbiologica, 2000
Five trisubstituted quinazolones and eight trisubstituted quinazoline-4-thiones have been tested for antibacterial effects by a microdilution method. Four derivatives exerted a significant effect on E. coli, P. aeruginosa, S. aureus and B. subtilis (IC50 < 100 mg/L). In the bacterium P.
S, Jantová, G, Greif, K, Spirková, S, Stankovský, M, Oravcová   +4 more
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Quinazoline derivatives as selective CYP1B1 inhibitors

European Journal of Medicinal Chemistry, 2017
CYP1B1 is implicated to have a role in the development of breast, ovarian, renal, skin and lung carcinomas. It has been suggested that identification of potent and specific CYP1B1 inhibitors can lead to a novel treatment of cancer. Flavonoids have a compact rigid skeleton which fit precisely within the binding cavity of CYP1B1.
Siddique, Mohd Usman Mohd, McCann, Glen J. P., Sonawane, Vinay, Horley, Neill, Gatchie, Linda, Joshi, Prashant, Bharate, Sandip B., Jayaprakash, Venkatesan, Sinha, Barij N., Chaudhuri, B.   +9 more
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Syntheses of Functionalized Derivatives of Quinazolines and 1,4-Bensodiazepines

HETEROCYCLES, 1989
The 2-substituted 1,4-benzodiazepines (4 and 6) were synthesized. The reaction of 2-aminobenzophenone oximes with ethyl 4-chloroacetoacetate gave the 1,4-benzodiazepines (4) and the 1,2-dihydroquinazolines (5); the latter were treated with a base to result ring expansion giving the 1,4-benzodiazepines (6).
Anzini M, GAROFALO, Antonio, Vomero S.
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Synthesis of pyrrolo[1,2-c]quinazoline derivatives.

Tetrahedron, 1992
Abstract Δ2-Pyrrolin-4-ones 12 and 13, prepared from 1-acyl-3-alkyl-1,3-dihydro-2H-indol-2-ones 1, via the corresponding 3-bromo-, 2 and 6, 3-azido, 7 and 8, and 3-iminophosphorane 9 and 10, were cyclized to the corresponding pyrrolo[1,2-c]quinazoline derivatives 14 and 15.
E.M. Beccalli, A. Marchesini, T. Pilati
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