Amidotriphosphate and diamidophosphate are reagents for the regioselective α-phosphorylation of aldoses. The mechanism involves the carbonyl addition product (see scheme); the hydroxy groups are phosphorylated by an intramolecular phosphate group transfer with formation of a cyclic intermediate, which is then hydrolyzed to the O-phosphorylated product.
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Krishnamurthy et al. (2000) studied this question.