The reaction of 2,2-dimethyl-1,3-indandione with diethyl- and di-n-butylphosphorous acids in the presence of amines gave 2,2-dimethyl-3-hydroxyindan-1-one-3-diethylphosphonate and 2,2-dimethyl-3-hydroxyindan-1-one-3-di-n-butylphosphonate.
The phosphonate-phosphate isomerization of 2,2-dimethyl-3-hydroxyindan-1-one-3-diethylphosphonate to 2,2-dimethylindan-1-one-3-diethylphosphate was detected at room temperature in the presence of amines.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1416–1418, June, 1976.
The authors thank É. I. Gol'dfarb for taking the31P NMR spectra.
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Arbuzov, B.A., Bogonoseva, N.P. & Vinogradova, V.S. Reaction of dialkylphosphorous acids with 2,2-dimethyl-1,3-indandione. Russ Chem Bull 25, 1358–1360 (1976). https://doi.org/10.1007/BF00928098
- Dialkylphosphorous Acid