coordination sites. These B-H...Na interactions in the solid state have also been confirmed by dynamic NMR studies in solution. These new polyanionic compounds that contain multiple carborane or metallacarborane clusters at their periphery may prove useful as new classes of boron neutron capture therapy compounds with enhanced water solubility and as a core to make a new class of dendrimers.
通过环状
氧鎓[3,3'-Co(8-
C4H8O2-1,2-C2
B9H10)(1',2'-C2
B9H11)]的开环反应中的新途径,以高收率获得了多阴离子物质。 2)通过使用
羧酸,
格氏试剂和
硫代
碳烷作为亲核试剂。Na3(
H2O)(C2H5OH)[1'',3'',5''-3,3'-Co(8-O(CH2C )2-1,2-C2
B9H10)(1', 2'-C2
B9H11)} 3 -C6H3]和Na( )[3,3'-Co(8-O(CH2C )2C(O)
CH3-1,2-C2
B9H10)(1',2'-C2
B9H11) ]表明,该链贡献了三个或两个
氧原子以与Na(+)配位,有趣的是,[3,3'-Co(1,2-C2
B9H11)2](-)部分提供了额外的BH配位位点。这些BH ... Na固态相互作用也已通过溶液中的动态NMR研究得到证实。