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What are your thoughts on the feasibility and reaction conditions and catalyst for synthesizing iminodisucccinic acid from fumaric acid and ammonium bicarbonate, as opposed to using maleic acid and ammonium bicarbonate?
Accepted Answer
Iminodisuccinic acid can be synthesized from both fumaric acid and maleic acid with ammonium bicarbonate. The reaction likely proceeds through a Michael addition of the ammonium bicarbonate to the double bond of the unsaturated dicarboxylic acid, followed by cyclization and hydrolysis. The feasibility of the reaction depends on the specific reaction conditions and catalyst used. However, using fumaric acid may be more advantageous as it is more stable and less prone to polymerization compared to maleic acid. The choice of catalyst will influence the reaction rate and selectivity towards iminodisuccinic acid. Common catalysts used in Michael additions include amines, such as triethylamine, and Lewis acids, such as zinc chloride.
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