Photolysis of pyridylmethyl-and pyridiniomethylphosphonic acids.

Y Okamoto, I Kokubo, S Takamuku

Index: Okamoto, Yoshiki; Kokubo, Ichiro; Takamuku, Setsuo Bulletin of the Chemical Society of Japan, 1990 , vol. 63, # 8 p. 2438 - 2440

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Citation Number: 6

Abstract

Upon UV-irradiation, the C–P bond of (4-pyridylmethyl) phosphonic acid cleaved only near the isoelectronic point to give 4-methylpyridinium phosphate, while (1-benzyl-4- pyridiniomethyl) phosphonic acid underwent C–P bond cleavage above pH 4 to give 1- benzyl-4-methylpyridinium phosphate. On the other hand, the C–P bond of (2-pyridylmethyl) phosphonic acid cleaved under pH region of about 1 to 2, while (1-benzyl-2- ...

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