The fragmentation reaction of the adduct ion formed by orthobenzene diamine with acetyl ion was similar to the reductive alkylation reaction of amine in condensed phase.

• 邻苯二胺与乙酰基离子形成的加合离子在碎裂反应过程中可以发生与液相中胺的还原烷基化反应相类似的碎裂反应。