free chain reaction是什么意思

用法例句

A method for the quantitative determination ofα-naphthylpinacolone of S RN 1reaction product of naphˉthalene halide with carbon anion of pinacolone in the presence of Co(Ⅱ)complexcatalyzer was established by thin- layer chromatographic densitometry.

研究了以Co(Ⅱ)络合物为催化剂 ,α_卤代萘与叔己酮碳负离子的自由基链式亲核取代反应(SRN1)产物α_萘基叔己酮的薄层色谱扫描定量分析方法 ;定量分析的线性范围为0～4。