diiron/triiron azadithiolate complexes (3−6, 10), which could be regarded as the active site models of [FeFe]-hydrogenases, have been successfully synthesized. Treatment of l-cysteinyl sodium mercaptide CytSNa (1, Cyt = CH2CH(CO2Et)NH(CO2Bu-t) with complex [(μ-SCH2)2NCH2CH2Br]Fe2(CO)6 (2) in THF at room temperature resulted in formation of model complex [(μ-SCH2)2NCH2CH2SCyt]Fe2(CO)6 (3). Further treatment of 3
五个新升-cysteinyl基的二
铁/三
铁azadithiolate复合物(3 - 6,10),其可被视为的[FEFE] -hydrogenases,已经成功地合成的活性位点的模型。的治疗升-cysteinyl
硫醇
钠CytSNa(1,细胞色素= CH 2 CH(CO 2 ET)NH(CO 2 BU-吨)与配合物[(μ-SCH 2)2 NCH 2 CH 2 BR]的Fe 2(CO)在室温下于THF中加入6(2)导致形成模型复合物[(μ-S )2 NCH 2 CH 2 SCyt] Fe 2(CO)6(3)。的进一步处理3与脱羰剂我3在MeCN NO在室温下,得到的模型配合物[(μ-SCH 2)2 NCH 2 CH 2 SCyt]的Fe 2(CO)5(4)。类似地,治疗的3与我的等摩尔混合物3 NO且Ph 3 P给模型配合物[(μ-SCH 2)2 NCH 2
CH2 SCyt]的Fe 2(CO)5(PH