Methods:Chloroform being solvent, under bath heat, 4 hydroxymethyl caged bicyclic phosphate acylated with pentanoyl chloride and hexanoyl chloride dividedly.
方法：用氯仿作溶剂，在浴温条件下，4 羟甲基笼状双环磷酸酯分别与戊酰氯、己酰氯发生酰化反应。
2
At present, except the small proportion of the pure natural gas engines, CNG vehicle powered device is basically flexible-fuel engine that can use natural gas or gasoline dividedly.