Year 2007, Month 2 (Section Brief Communications, Page 364)
New phosphoruscontaining analog of calix[4]resorcinarene based on 2,6-dihydroxypyridine
A. R. Burilov, I. R. Knyazeva, M. A. Pudovik, V. V. Syakaev, Sh. K. Latypov, I. Baier, W. D. Habicher, and A. I. Konovalov
Acidcatalyzed reaction of 2,6-ihydroxypyridine hydrochloride with diethyl 2,2-diethoxyethylphosphonate or 2-ethoxyvinylphosphonyl dichloride in aqueous ethanol furnished a tetramer, phosphoruscontaining analog of calix[4]resorcinarene with pyridine fragments in the molecule
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