Ciriminna Rosaria, Parrino Francesco, De Pasquale Claudio, Palmisano Leonardo, Pagliaro Mario
Istituto per lo Studio dei Materiali Nanostrutturati, CNR, via U. La Malfa 153, 90146 Palermo, Italy.
Chem Commun (Camb). 2018 Jan 23;54(8):1008-1011. doi: 10.1039/c7cc09788c.
The silylation of crystalline TiO P25, commonly used for photocatalytic degradation of pollutants, results in an exceptionally selective catalyst for the aerobic limonene epoxidation to 1,2-limonene oxide under solar light irradiation. The hypothesized mechanism involves the singlet oxygen generated through energy transfer from the excited TiO to adsorbed O molecules. The reaction product is the valued precursor of bio-based poly(limonene carbonate), a thermoplastic polymer of superior thermal and optical properties whose industrial production is in need of an efficient green synthesis of limonene oxide.
常用于光催化降解污染物的结晶TiO₂ P25经硅烷化处理后，可得到一种极具选择性的催化剂，用于在太阳光照射下将柠檬烯好氧环氧化为1,2 - 环氧柠檬烯。推测的机理涉及通过从激发态TiO₂到吸附的O₂分子的能量转移产生单线态氧。反应产物是生物基聚（碳酸柠檬烯）的重要前体，聚（碳酸柠檬烯）是一种具有优异热性能和光学性能的热塑性聚合物，其工业生产需要高效绿色合成环氧柠檬烯。
