The synthesis and chemical reaction of magnesium and calcium bis(phosphorodiamidates) with acids.

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概要

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• Magnesium bis(phosphorodiamidate) hexahydrate and calcium bis(phosphorodiamidate) dihydrate were made by adding an aqueous solution of magnesium chloride or calcium chloride to a sodium phosphorodiamidate solution. These phosphorodiamidates reacted with the water of crystallization and/or adsorbed water to produce phosphoramidate and orthophosphate. They also reacted with HCl gas, acetic acid, and oxalic acid to make polyphosphates and phosphates with amino and/or imino groups. Several typical reactions are as follows:<BR>(<U>Remark: Graphics omitted.</U>)<BR>where M and HA stand for alkaline earth metal and acid respectively.

• 公益社団法人 日本化学会の論文

著者

• Sato Shoji

  Department of Applied Chemistry, College of Engineering, Chubu University, 1200 Matsumoto-cho, Kasugai, Aichi 487-8501, Japan

• Watanabe Makoto

  Department of Analytical Chemistry of Medicines, Showa Pharmaceutical University

• Takayanagi Takao

  Department of Industrial Chemistry, Chubu University

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