Design, synthesis, and stability of (1-amino-4-(3-bromopropoxy)anthracene-9,10‑dione)pentacarbonylrhenium(I) triflate: first X-ray crystallographic structure of a Re(CO)5(N-donor)
作者:Jonathan Jen Jie Tay、Neel Rahul Obordo Karve、Kiat Hwa Chan
DOI:10.1016/j.jorganchem.2023.122632
日期:2023.4
analogues, 1-(3-trimethylammoniumpropoxy)-4-hydroxyanthraquinone triflate (A1) and 1-amino-4-(3-trimethylammoniumpropoxy) anthraquinone triflate (A2), via a simple 3-step procedure, and obtained X-ray crystal structures for them. Reaction of A1 with Re(CO)5(OTf) afforded complex 1 in 40% yield. Based on a combination of ultraviolet/visible, proton nuclear magnetic resonance spectroscopies, density functional
为了用羰基铼功能化多柔比星,我们设计并合成了两种多柔比星类似物,1-(3-三甲基丙氧基铵)-4-羟基蒽醌三氟甲磺酸酯 ( A1 ) 和 1-氨基-4-(3-三甲基丙氧基铵)蒽醌三氟甲磺酸酯 ( A2 ) , 通过一个简单的三步程序, 并为它们获得了 X 射线晶体结构。A1与 Re(CO) 5 (OTf)反应以 40% 的产率得到复合物1。基于紫外/可见光、质子核磁共振光谱、密度泛函理论计算,特别是红外光谱和电喷雾电离质谱的组合,络合物1被推断为 [ fac-Re(CO) 3 (κ 2 - deproto - A1 )} 2 (μ 2 OTf)]OTf,其中A1以双齿方式与 Re 配位,三氟甲磺酸阴离子桥接两个 Re(CO) 3部分。A2与各种铼羰基合成子的反应是棘手的,但A2的前体1-amino-4-(3-bromopropoxy)anthraquinone ( A2-a )与 Re(CO)