Oxidation of dodeca-substituted porphyrin 1 in the presence of NaNO2/TFA and air afforded benzoylbiliverdin 3 in 77% yield; under similar conditions the Ni(II)-porphyrin 2 was mainly nitrated at a cyclohexenyl ring; key X-ray structures are presented.
在NaNO2/TFA和空气存在下,十二取代
卟啉1的氧化反应产生了77%产率的苯甲酰胆绿素3;在类似条件下,
镍(II)
卟啉2主要在
环己烯环上被硝化;本文给出了关键的X射线结构。