Amphiphilic Porphinatoirons Having Steroid Groups and Their Oxygen-Adduct Formation in an Aqueous Medium
作者:Eishun Tsuchida、Teruyuki Komatsu、Takeshi Babe、Taisaku Nakata、Hiroyuki Nishide、Hidenari Inoue
DOI:10.1246/bcsj.63.2323
日期:1990.8
Amphiphilic heme derivatives having four steroid groups (steroid-heme), 5,10,15,20-tetrakis[α,α,α,α-o-[2,2-dimethyl-8-(3α-hydroxycholan-24-oyloxy)octanamido]phenyl]porphinatoiron (1b) and 5,10,15,20-tetrakis[α,α,α,α-o-(3-acetoxycholan-24-oylamino)phenyl]porphinatoiron (2b), were synthesized as a model of an oxygen carrier. They were efficiently embedded in the bilayer of a phospholipid liposome based on their high compatibility with the lipid. The oxygen-binding ability of 1b was compared with those of hemoglobin (Hb) and myoglobin (Mb). The dioxygen adduct of 1b was also characterized by Mössbauer and infrared spectroscopy.
具有四个类固醇基团的两亲血红素衍生物(类固醇血红素),5,10,15,20-四[α,α,α,α-o-[2,2-二甲基-8-(3α-羟基胆烷-24-酰氧基)辛酰氨基]苯基]卟吩藤铁(1b)和 5、10、15、20-四[α,α,α,α-o-(3-乙酰氧基胆烷-24-酰氨基)苯基]卟吩他铁(2b),作为氧载体的模型。由于它们与脂质高度相容,因此能有效地嵌入磷脂脂质体的双分子层中。将 1b 的氧结合能力与血红蛋白(Hb)和肌红蛋白(Mb)进行了比较。1b 的二氧加合物也通过莫斯鲍尔和红外光谱进行了表征。