stereoselectivity. In these products the complex ligand may act as a tridentate N,N,C donor or, in complexes containing an azaplatinacyclobutane ring, as a tetradentate N,N,N,C donor. The absolute configurations of five (aminoalkyl)platinum(IV) products were determined by X-ray crystal structure determinations and gave a benchmark such that the stereochemistries of other complexes could be assigned by NMR. It
的反应[
PTME 2(μ-SMe的2)] 2与顺式-1,2--C 6 H ^ 10(N CH-2-C 5 H ^ 4 N)2(1)和顺式-1,2--C 6 ħ 10(N CH-2-C 9 H 6 N)2(2)给出络合物[
PTMe 2 顺式-1,2-C 6 H 10(N CH-2-C 5 H 4 N)2 }](3)和[
PTMe 2 顺式-1,2-C 6 H 10(N CH-2-C 9 H 6 N)2 }](4)分别(C 5 H 4 N =
吡啶基; C 9 H 6 N =
喹啉基),其中
配体是二齿的,使得每个配合物是手性的并且含有游离的
亚胺取代基。配合物3和4与质子酸,HCl和CF 3 CO 2反应H,以形成含有新的不对称碳中心的(
氨基烷基)
铂(IV)产物,通常具有很高的立体选择性。在这些产品中,络合物
配体可以充当三齿N,N,C供体,或者在含有氮杂
铂环
环丁烷环的络合物中充当四齿N,N,N,C