释义 |
phthalaldehyde Chem.|fθæˈlældɪhaɪd| [f. phthalic a. + aldehyde.] Any of three isomeric compounds of formula C8H6O2 having two formyl groups bonded directly to a benzene ring; spec. the ortho isomer, a yellow crystalline solid.
1886Jrnl. Chem. Soc. L. 455 By the oxidation of phthalic alcohol with chromic mixture, a thick, viscid oil is obtained containing phthalaldehyde, phthalide, and unaltered phthalic alcohol. All attempts to isolate phthalaldehyde from this mixture were fruitless. 1942Jrnl. Amer. Chem. Soc. LXIV. 315 (heading) A new synthesis of phthalaldehydes. 1951I. L. Finar Org. Chem. I. xxix. 586 When treated with ozone, naphthalene forms the diozonide and this, on treatment with water, gives phthalaldehyde. 1967L. F. & M. Fieser Reagents for Org. Synthesis I. 740, o-Phthalaldehyde reacts with nitromethane in alcoholic alkali to give, after acidification yellow 2-nitro-3-hydroxyindene. |