Treatment of meso-mesityl 5,15-diazaporphyrin with alkyllithiums in toluene at low temperature provided monoalkylated diazachlorins through highly regioselective nucleophilic addition at the β-position near the meso-nitrogen atom.
在低温条件下,用烷基锍在
甲苯中处理介甲基 5,15-二氮杂
卟啉,通过在介氮原子附近的 β 位进行高区域选择性亲核加成,制备出单烷基二氮杂
卟啉。