743476-72-4Relevant academic research and scientific papers
Selective ligand modification on the periphery of diruthenium compounds: Toward new metal-alkynyl scaffolds
Chen, Wei-Zhong,Ren, Tong
, p. 2660 - 2669 (2008/10/09)
Diruthenium compounds Ru2(DmAniF)3(OAc)Cl (1, DmAniF is N,N′-di(m-methoxyphenyl)-formamidinate) and cis-Ru2(DmAniF) 2(OAc)2Cl (6) reacted with N,N′-dimethyl-4-iodobenz- amidine (HDMBA-I) to furnish new compounds Ru2(DmAniF) 3(DMBA-I)Cl (2) and cis-Ru2(DmAniF)2(DMBA-I) 2Cl (7), respectively. Both compounds 2 and 7 were modified with a terminal alkyne under Sonogashira conditions. Examples reported include 2 cross-coupled with HC≡CSiiPr3 or HC≡CFc to yield Ru2(DmAniF)3(DMBA-4-C2Si iPr3)Cl (3a) or Ru2-(DmAniF) 3(DMBA-4-C2Fc)Cl (3b), respectively, and 7 cross-coupled with HC≡CFc to yield cis-Ru2(DmAniF)2(DMBA-4-C 2Fc)2Cl (8). The peripherally modified compounds (2, 3a/3b, 7, and 8) were further alkynylated at the axial positions of the Ru 2 core to yield a series of bis-alkynyl adducts: Ru 2(DmAniF)3(DMBA-4-C2SiiPr 3)(C4SiMe3)2 (4a), Ru 2(DmAniF)3(DMBA-4-C2Fc)(C4SiMe 3)2 (4b), Ru2(DmAniF)3(DMBA-I) (C4SiMe3)2 (5), cis-Ru2(DmAniF) 2(DMBA-4-C2Fc)2(C2Ph)2 (9), and cis-Ru2(DmAniF)2(DMBA-I)2(C 2Ph)2 (10). All compounds reported were characterized with voltammetric, vis-NIR, and NMR (whenever applicable) techniques. Molecular structures of compounds 1, 4a, 5, 6, 9, and 10 were established through X-ray diffraction studies.
Postmetalation ligand modification on the periphery of a diruthenium compound: Toward novel metallayne scaffoldings
Chen, Wei-Zhong,Ren, Tong
, p. 3766 - 3768 (2008/10/09)
A diruthenium compound bearing a peripheral iodo substituent cross-couples with acetylenes under Sonogashira conditions to yield a novel family of diruthenium compounds bearing a peripheral alkyne functionality, which can be further functionalized at the axial positions via a reaction with lithiated butadiynyl.
