Studies on the Reaction of Quinazoline 3-Oxide with Active Methylene Compound. The Transformation of Quinazoline 3-Oxide into Quinoline Derivatives
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چکیده
منابع مشابه
An unexpected copper(II)-catalyzed three-component reaction of quinazoline 3-oxide, alkylidenecyclopropane, and water.
An unexpected copper(II)-catalyzed three-component reaction of quinazoline-3-oxide, alkylidenecyclopropane and water under mild conditions is reported. This transformation including [3+2] cycloaddition and intramolecular rearrangement leads to N-(2-(5-oxa-6-azaspiro[2.4]hept-6-en-7-yl)phenyl)formamides in good yields.
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This review covers the isolation, structure determination, synthesis and biological activity of quinoline, quinazoline and acridone alkaloids from plant, microbial and animal sources; 115 references are cited.
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N 4-(3-Bromophenyl)quinazoline-4,6-diamine
In the title compound, C(14)H(11)BrN(4), the fused benzene and pyrimidine rings are nearly coplanar, making dihedral angles of 1.26 (14) and 3.53 (15)° in the two independent mol-ecules. In the crystal structure, π-π stacking inter-actions [centroid-centroid distances = 3.4736 (19) and 3.5416 (19) Å] and weak N-H⋯N and N-H⋯Br inter-actions contribute to the stability of the structure.
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 1973
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.21.1943