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本文报道了氯化四苯基卟啉合铑(Ⅲ)均相催化的苦干饱和脂肪醇和烯丙醇的光化学脱氢反应.研究表明,底物结构不仅影响反应速率,而且可以改变反应机理从而影响反应产物;其影响方式有电子效应、立体效应和配位体振动能量转移效应.根据实验结果推断了反应的电子和激发态能量转移过程.
In this paper, photochemical dehydrogenation of hard-saturated aliphatic alcohols and allyl alcohol catalyzed by tetraphenylporphyrin and rhodium (Ⅲ) catalyzed homogeneously was reported. The results showed that the substrate structure not only affected the reaction rate but also changed the reaction mechanism Which affects the reaction products, and its influencing methods are electron effect, stereoscopic effect and vibrational energy transfer effect of ligands.According to the experimental results, we deduced the electron and excited energy transfer processes.