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- W1529240089 abstract "This chapter focuses on acridine and its derivatives. Acridine is a linear dibenzopyridine, which is similar to anthracene in structure with one of the meso-methine groups replaced by a nitrogen atom. The formulation of acridine follows from its synthesis and chemical properties. Chemically anthracene and acridine have some similarity. Both add hydrogen at the meso-positions and both on oxidation yield carbonyl products. On the other hand acridine does not yield the transannular adducts with maleic anhydride which are so characteristic of anthracene, while anthracene fails to undergo many of the reactions encountered in the acridine series. In the first synthesis of acridine and its derivatives, diphenylamine was heated with zinc chloride. With formic acid, acridine is found in very poor yield (7.5%), but with many other acids fair yields result. Acridines are synthesized by reduction of the readily accessible acridones, but the reaction is accompanied by further reduction to the 9,10-dihydroacridine. Reduction can be effected with sodium and amyl alcohol or by sodium or aluminum amalgam. The ultraviolet spectra of acridine and its derivatives are used to differentiate between acridine, acridinium salts, and 9,10-dihydroacridine species. One of the key properties of the acridines is their fluorescence. Some acridines are used as fluorescent indicators." @default.
- W1529240089 created "2016-06-24" @default.
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- W1529240089 date "1964-01-01" @default.
- W1529240089 modified "2023-09-26" @default.
- W1529240089 title "Polycyclic Compounds Comprising a Pyridine and Two or More Carbocyclic Rings" @default.
- W1529240089 doi "https://doi.org/10.1016/b978-044453345-6.50761-6" @default.
- W1529240089 hasPublicationYear "1964" @default.
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