1283-97-2Relevant articles and documents
IODONIUM DERIVATIVES OF β-DIKETONES. XX. NEW METHOD FOR THE PRODUCTION OF PHENYLIODONIUM BETAINES OF 1,3-INDANEDIONES AND THEIR CLEAVAGE BY NITRIC ACID. USE OF THE CLEAVAGE OF PHENYLIODONIUM BETAINES FOR THE PRODUCTION OF 1,2,3-TRICARBONYL COMPOUNDS
Prikule, D. E.,Neiland, O. Ya.
, p. 1888 - 1890 (2007/10/02)
The reaction of 1,3-indanediones and its derivatives substituted in the phthaloyl ring with (diacetoxyiodo)benzene in a mixture of chloroform, ethanol, and diethyl ether at 7-12 deg C gives the corresponding phenyliodonium betaines with good yields.Cleavage of the phenyliodonium betaines of β-dicarbonyl compounds by nitric acid leads to the hydrates of the 1,2,3-tricarbonyl compounds.The reaction is limited by the high CH acidity of the β-dicarbonyl compound.
