para‐Quinone methides (p‐QMs) are naturally occurring molecules with two electronically different exocyclic conjugate substituents in their structure, carbonyl and methylidene, which gives them a pronounced reactivity owing to the polarization of the molecule. By attack of nucleophiles in the terminal carbon exocyclic double bond, they generate 1,6‐addition products.

中文翻译：

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对苯二甲腈作为1,6-亲核缀合物加成反应中的受体，用于合成结构多样的分子

对-醌甲基化物（p- QMs）是天然存在的分子，其结构中具有两个电子不同的环外共轭取代基，即羰基和亚甲基，由于分子的极化，它们具有显着的反应性。通过末端碳外环双键中亲核试剂的攻击，它们会生成1,6加成产物。