A new dianionic guanidinate bridged diamide ytterbium(Ⅲ) complex {[Me2Si(NPh)2]2Yb[(NiPr)2CN(SiMe3)2]}{Li(THF)2}2 was synthesized by the reaction of bisguanidinate ytterbium chloride [(SiMe3)2NC(NiPr)2]2Yb(μ-Cl)2Li(...
This work was supported by the National Natural Science Foundation of China (No. 20272040) and the Key Lab. of Organic Synthesis of Jiangsu Province
The complex (Ind)NiBr(1,3-bisbenzylimidazol-2-ylidene) (Ind = indenyl) 1 has been prepared in ca. 65% yield via the reaction of (Ind)2Ni with an equivalent of 1,3-bis-benzylimidazolium bromide in THF/CH2Cl2 at...
Project supported by the National Natural Science Foundation of China (No. 20272040).
The catalytic activity of a series of indenylnickel(Ⅱ) halides: (1-R-Ind)Ni(PPh3)X (R=ethyl, cyclopentyl and benzyl, while X=Cl, Br and I), towards styrene polymerization was studied in the presence of NaBPh...
Project suported by the National Natural Science Foundation of China (No. 20272040).
The ring-opening polymerization (ROP) of ε-caprolactone (ε-CL) using lanthanide thiolate complexes [(CH3CsH4)2Sm(μ-SPh)(THF)]2 (1) and Sm(SPh)3(HMPA)3 (2) as initiators has been investigated for t...
Project supported by the National Natural Science Foundation of China (No. 20272040), the State Key Laboratory of 0rganometallic Chemistry, Shanghai Institute of 0rganic Chemistry, Chinese Academy of Sciences and the Key Laboratory of 0rganic Synthesis of Jiangsu Province.
Samarium diiodide (SmI2) was found to be an efficient catalyst for the condensation of o-phenylenediamine and ketones to afford the corresponding 2,3-dihydro-1H-benzo[b][1,4]-diazepines in moderate to excellent yiel...
This work was supported by the National Natural Science Foundation of China(Grant No.20272040).
Cp2Yb·2THF reacts with CpNa in 1:1 molar ratio in THF at 40℃ for 2 h, and the in situ generated ani-onic divalent complex NaYbCp3(THF)n reacts further with an excess of CpH at 40℃ for 48 h, after work-up, affording...