摘要
选择N-烯丙基-2-氨基吡啶(NPAP+)作为底物,利用荧光光谱、1H NMR技术等方法考察了七、八元瓜环与NPAP+的相互作用,并探讨了七、八元瓜环对NPAP+发生光致环加成的反应位点、产物的立体选择性,以及动力学性质.结果表明七、八元瓜环与NPAP+可形成1∶1的配合物,并对NPAP+发生光致环加成反应产物的结构有选择性催化作用.
The interactions of N-allyl-2-aminopyridinium （NPAP＋） with cucurbit[n]urils （Q[n], n=7, 8） have been investigated by employing fluorescence spectroscopy and 1H NMR spectroscopy technology. Based on the host-vip inclusion complexes in the ratio of 1 ： 1, the supramolecular catalysis of Q[7] or Q[8] on the photocycloaddition of NPAP＋ has investigated. The reaction site and stereoselectivity have been observed from the 1H NMR spectra, and the supramolecular catalysis of Q[n] on the photocycloaddition of NPAP＋ has been confirmed by comparing the initial rate in the absence and presence of the macrocyclic compounds.
出处
《有机化学》
SCIE
CAS
CSCD
北大核心
2011年第7期1049-1055,共7页
Chinese Journal of Organic Chemistry
基金
贵州省教育厅自然科学(No.黔科教[2008]10号)
贵州省科学技术基金(Nos.黔科合J字[2008]75
[2009]2073及[2010]2126号)资助项目
