摘要
由多氟烷基碘化和的对烯胺的氟烷基化反应，合成了６种α－氟烷基酮和３种α氟烷基醛并完成了它们的ＵＶ、ＩＲ、ＭＳ、ＨＮＭＲ和＾１９ＦＮＭＲ结构鉴定及元素分析，通过活泼中间体的自旋截捕和抑制实验，揭示了本反应的单电子转换机理并发现ＳｍＩ２的四氢呋喃溶液可催化本反应，使反应时间缩短，含氟酮产率提高。
Fairly high yields of α-polyfluoroalkyl ketones(aldehydes) formed in the reactions of enamines with polyfluoroalkyl iodides were characterized by UV,IR,MS,1￣H NMR,￣(19)F NMR and elemental analysis,The electron transfer in nature of these reactions was proved by spin trapping and inhibition experiments.The addition of catalytic amounts of SmI_2 has significantly shortened the reaction time and increased the yields of α-polyfluoroalkyl ketones.
出处
《高等学校化学学报》
SCIE
EI
CAS
CSCD
北大核心
1996年第6期896-900,共5页
Chemical Journal of Chinese Universities
基金
南开大学元素有机化学国家重点实验室基金
关键词
烯胺
钐
氟烷基化
电子转移反应
氟烷基醛
Enamine,Polyfluoroalkyl iodide,Samarium diiodide,Polyfluoroalkylation,Electron transfer
