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Diphosphoimidazoles

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专利汇可以提供Diphosphoimidazoles专利检索,专利查询,专利分析的服务。并且The invention comprises alkali metal and alkaline earth metal salts of a diphosphoimidazole wherein the anion has the formula: wherein R1, R2 and R3 are hydrogen atoms or lower alkyl groups of not more than 6 carbon atoms, or R3 and one of R1 and R2 are hydrogen atoms and the other R1 or R2 is the group -CH2CH2NH2 as in histamine or the group -CH2CH(NH2)COOH as in histidine. The salts may be obtained by reacting the corresponding imidazole with amidophosphoric acid in aqueous solution under neutral or alkaline conditions and then adding a water soluble alkali metal or alkaline earth metal salt of a strong acid to form the desired metal salt. An example is given for the production of the calcium salt of diphosphoimidazole. The products are useful for the phosphorylation of organic primary or secondary amino compounds the phosphorylation being effected by reacting such compounds with the alkali metal or alkaline earth metal salt in an aqueous medium at alkaline pH and at a temperature below 100 DEG C., preferably at room temperature. It is preferred to use an alkali metal salt, e.g. sodium salt, for the phosphorylation. An example is given for the phosphorylation of ethanolamine, alpha-alanine, beta-alanine and serine. Other specified compounds which may be phosphorylated are glucosamine, tyrosine, tryptophan, histidine, proline, creatine, p-amino-benzoic acid, sulphanilic acid, peptides and proteins.,下面是Diphosphoimidazoles专利的具体信息内容。

1. A COMPOUND SELECTED FROM THE CLASS CONSISTING OF DIPHOSPHOIMIDAZOLES OF THE FORMULA
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