(HPLC). In MALDI-TOF mass spectra, the presence of compounds distinct from TPC(m-O-Glu)(3) (m/z 1151) were observed at m/z 989, 827 and 665 corresponding to the loss of one, two or three glucose units (162u) and were be ascribed to TPC(m-OH)(m-O-Glu)(2) 2/3b,b',b", TPC(m-OH)(2)(m-O-Glu) 2/3c,c',c" and TPC(m-OH)(3) isomers 2d/3d, respectively. The porphyrins resulting from chlorin oxidation TPP(m-O-Glu)(3)
不对称糖共轭四
吡咯大环化合物正在研究作为光动力疗法(PDT)的有效敏化剂。在这种情况下,发现三(间-O-β-
吡喃
葡萄糖基氧基苯基)二氢卟
酚[TPC(mO-Glu)(3)] 2a / 3a在体外的光敏性是Foscan的四倍。在对该有趣的糖缀合物的进一步研究中,必须探索其在HT29细胞中通过细胞糖苷酶的代谢。通过MALDI-TOF质谱和高效
液相色谱(HPLC)分析与TPC(mO-Glu)(3)(24h,6microM)孵育的HT29细胞的细胞
提取物。在MALDI-TOF质谱图中,在m / z 989、827和665处观察到与TPC(mO-Glu)(3)(m / z 1151)不同的化合物的存在,对应于一,二或三个
葡萄糖的损失单位(162u),并归因于TPC(m-OH)(mO-Glu)(2)2 / 3b,b',b“,