| 摘要 |
<p>A process for the manufacture of aminomethanephosphonic acid comprises: a) reacting a compound of formula: R-CH2-NH-CO-NH-CH2-R' wherein R and R', which may be the same or different, represent a phosphonation leaving group with a phosphonating agent and subsequently b) hydrolysing the product of step (a) to form aminomethanephosphonic acid.</p> |
