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单词 phthalazine
释义 phthalazine Chem.|ˈfθæləziːn|
[ad. G. phtalazin (C. Liebermann 1886, in Ber. d. Deut. Chem. Ges. XIX. 766), f. phtal- (cf. phthal- s.v. phthalic a.) + azin azine.]
A colourless, crystalline, heterocyclic base, C8H6N2; also, any derivative of this.
1893Jrnl. Chem. Soc. LXIV. i. 347 The bye-product obtained in methylating phthalazine is very similar to the last compound.1929[see cinnoline].1947Nature 11 Jan. 53/2 Phthalazine derivatives are formed by the action of excess sodium hydroxide on the diazosulphonate derived from diazotized p-nitro-aniline and β-naphthol-l-sulphonic acid.1956I. L. Finar Org. Chem. II. xii. 468 Phthalazines are formed by heating the benzoyl derivative of benzaldehyde hydrazones.Ibid. xix. 706 Thus there are probably four C8H4N2 units, each having an isoindole structure,..or a phthalazine structure.1970W. F. Beech Fibre-Reactive Dyes v. 175 Phthalazines. In this series also only one compound has so far become of importance for making reactive dyes, viz. 1, 4-dichloro-phthalazine-6-carbonyl chloride.
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