Summary
Syntheses of cycloalkylphosphonates4, and6–8 are described, starting from the substituted methylphosphonates1–3. Hydrolysis of the phosphonic esters4 and8 yield the free phosphonic acids5 and10; the partial hydrolysis of7 leads to easily accessible9. The benzo condensed phosphonates12 and13 are formed according to the solvent; a higher boiling medium should be used to obtain15 and17.
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Neidlein, R., Eichinger, T. Substituierte Methylphosphonate als Synthone für alicyclische α-funktionalisierte Phosphonate. Monatsh Chem 123, 1037–1043 (1992). https://doi.org/10.1007/BF00810935
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DOI: https://doi.org/10.1007/BF00810935