作者:João P.C Tomé、Augusto C Tomé、Maria G.P.M.S Neves、Filipe A Almeida Paz、Paul J Gates、Jacek Klinowski、José A.S Cavaleiro
DOI:10.1016/j.tet.2003.08.013
日期:2003.9
Novel derivatives of meso-tetraphenylporphyrin with appended quinazoline moieties were synthesized, via the Diels–Alder reaction, between a 4-(porphyrinyl)pyrimidine ortho-quinodimethane and 1,4-benzoquinone, 1,4-naphthoquinone and N-(p-nitrophenyl)maleimide. The structure of one bis adduct was established by X-ray crystallography and mass spectrometry. We have unequivocally confirmed that the 2:1
通过狄尔斯-阿尔德反应,通过4-(卟啉基)嘧啶邻-喹二甲烷与1,4-苯醌,1,4-萘醌和N-(对-硝基苯基)之间的狄尔斯-阿尔德反应合成了具有附加的喹唑啉部分的新型内消旋-四苯基卟啉衍生物)马来酰亚胺。通过X射线晶体学和质谱法确定了一个双加合物的结构。我们已经明确地证实,从嘧啶稠合的3-磺基烯烃与N-芳基马来酰亚胺的反应中获得的2:1加合物具有开链结构而不是环辛基嘧啶结构,如先前所公开的。