Abstract
Abstract Effects of various metal ions on the methanolysis of phenyl phosphatosulfate having P–O–S linkage were investigated. Metal ions examined were found to be divided into two different groups in the manner of cleavage of P–O–S linkage: Mg2+, Cr3+, Cu2+, Mn2+, and Ca2+ with larger ionic radii catalyzed the selective P–O bond cleavage, while Be2+, Al3+, Fe2+, and Zn2+ with smaller ionic radii promoted the selective S–O bond cleavage. Such selectivity was discussed in terms of the difference in the mechanisms of P–O and S–O bond cleavage.
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