| 摘要 |
<p>This invention is directed to a process for making an iminodiacetic acid compound from a monoethanolamine compound having the following formula (I) wherein R1 is hydrogen, hydrocarbyl, or substituted hydrocarbyl. In one embodiment, the process comprises contacting the monoethanolamine substrate with a cyanide source and a formaldehyde source to form a N cyanomethylated monoethanolamine intermediate, and contacting the N cyanomethylated monoethanolamine intermediate with a hydroxide source and a metal containing catalyst to form the iminodiacetic acid compound.</p> |
