Synthesis of Doubly Strappedmeso–meso-Linked Porphyrin Arrays and Triply Linked Conjugated Porphyrin Tapes
作者:Toshiaki Ikeda、Juha M. Lintuluoto、Naoki Aratani、Zin Seok Yoon、Dongho Kim、Atsuhiro Osuka
DOI:10.1002/ejoc.200600289
日期:2006.7
strapped ZnII-porphyrin S1 was prepared and treated with AgPF6 to give meso–meso-linked porphyrin oligomers Sn (n = 2, 3, 4, 6, 8, and 12), which were converted to triply linked porphyrin tapes TSn by meso,meso′-dibromo meso–meso-linked porphyrin arrays BSn and meso,meso′-diphenyl meso–meso-linked porphyrin arrays PSn. The structures of S1 and S2 have been determined by single-crystal X-ray diffraction
制备 1,10-二氧十亚甲基双链状 ZnII-卟啉 S1 并用 AgPF6 处理,得到中-中观连接的卟啉低聚物 Sn(n = 2、3、4、6、8 和 12),将其转化为三连接卟啉通过内消旋、内消旋'-二溴内消旋-内消旋连接的卟啉阵列 BSn 和内消旋、内消旋'-二苯基内消旋-内消旋连接的卟啉阵列 PSn 将 TSn 带上。S1和S2的结构已通过单晶X射线衍射分析确定。Sn 具有明显的 Q(0,0) 吸收带和荧光带。TSn 的低能量 Q 带状吸收带随着卟啉数量的增加而逐渐红移,而没有饱和共轭行为。从部分保留TS4和TS6的Q带状带中的振动结构可以看出,双带在一定程度上抑制了π-π堆积,并提高了TS8和TS12等较长带的化学稳定性。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)