Furan is a cyclic flammable liquid compound C4H4O that is obtained from wood oils of pines or made synthetically and is used especially in organic synthesis. Furan is aromatic because a pair of lone pair electrons of the oxygen atom in its molecule forms a large π bond in the plane of the conjugated orbital, making a total of 6 electrons in the plane of the conjugated plane, conforming to the 4n+2 structure. Aromaticity makes furan have the property of easy substitution and difficult addition. The other lone pair of electrons in oxygen stretches out. The oxygen atom itself conforms to sp2 hybridization. Due to the presence of the aromatic ring, the chemical behavior of furan is not very similar to that of other unsaturated heterocycles. The oxygen in the aromatic ring has an electron-donating effect, so the electrophilic substitution reactivity of furan is stronger than that of benzene.
Furan | C4H4O | Where to Buy Furans-Chemenu
Furane | Furanes | Furfuran | Furan | C4H4O | Furan Synthesis | Where to Buy Furans
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Acridines are organic compounds and nitrogen heterocycles having the formula C13H9N. Acridine is a substituted derivative of the parent ring. It is a planar molecule structurally related to anthracene in which one carbon in the central CH group is replaced by nitrogen. Acridine and its derivatives can be used to make dyes and also used in the pharmaceutical industry. Acridine is a DNA intercalator that easily binds to DNA. Due to its DNA-intercalating properties, acridine or its suitable derivatives are expected to preferentially accumulate in tumors, which are always associated with enhanced DNA replication. Therefore, radiolabeled acridines may have prospect in tumor imaging.
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