28458-49-3Relevant articles and documents
Addition of E-H (E = N, P, C, O, S) Bonds to Heterocumulenes Catalyzed by Benzimidazolin-2-iminato Actinide Complexes
Liu, Heng,Fridman, Natalia,Tamm, Matthias,Eisen, Moris S.
supporting information, p. 3896 - 3903 (2017/10/30)
The synthesis and characterization of benzimidazolin-2-iminato actinide(IV) complexes [(BimR1/R2N)An(N{SiMe3}2)3] (An = U, Th) (1-6) is reported. All complexes were obtained in high yields, and their solid state structures were established through single-crystal X-ray diffraction analysis. Using 1-6 as precatalysts, the addition of mono- and bifunctional E-H (E = N, P, C, O, S) substrates to various heterocumulenes, including carbodiimides, isocyanates, and isothiocyanates, was investigated, affording the respective addition products in high yields under very mild reaction conditions. Various amines were applicable to this reaction, indicating a large scope capability of amine nucleophiles for the insertion process.
Square planar nickel(II) complexes with halogenated o- diiminobenzosemiquinonato ligation: Synthesis, characterization, and redox property
Zuo, Wansheng,Zhang, Long,Xie, Meihua,Deng, Liang
supporting information, p. 1473 - 1482 (2014/01/06)
Seven square planar bis(o-diiminobenzosemiquinonato)nickel(II) complexes, [Ni(o-C6H4(NH)(NAr))2] (Ar=Mes, 1; p-F-C 6H4, 2; p-Cl-C6H4, 3), [Ni(o-4,5-F2-C6H2(NH)(NPh))2] (4), and [Ni(o-4,5-Cl2-C6H2(NH)(NAr))2] (Ar=Ph, 5; 2,6-F2-C6H3, 6; 2,6-Cl 2-C6H3, 7), have been synthesized and characterized by 1H NMR, 13C NMR, 19F NMR, IR, UV-Vis-NIR, elemental analyses, HRMS, as well as single-crystal X-ray diffraction studies (1 and 7). The cyclic voltammograms of these complexes exhibit two reversible redox processes of [NiL2]0/1- and [NiL2]1-/2-, and one irreversible process of [NiL 2]0/2+. Substituent effects on the redox properties of these complexes, in addition with those of the known complexes [Ni(o-C 6H4(NH)(NPh))2] (8) and [Ni(o-3,5-Bu t2-C6H2(NH)2) 2] (9), are identified by comparing the half-wave potentials of the reduction waves, as 1≈92] parallels the electron-donating and -withdrawing ability of the substituent group. Reduction of 1 with one or two equivalents of sodium metal in THF has led to the isolation of [Na(THF) 3][1] and [Na(THF)3]2[1]. The structure data of these two complexes revealed by low-temperature X-ray crystallography suggest their corresponding electronic structures of [NiII(1L ·1-)(1L2-)]1- and [Ni II(1L2-)2]2-, which are in line with those of [9]n (n=1-, 2-) suggested by spectroelectrochemical study. Copyright
Synthesis and structure-activity relationship of imidazo[1,2-a] benzimidazoles as corticotropin-releasing factor 1 receptor antagonists
Han, Xiaojun,Pin, Sokhom S.,Burris, Kevin,Fung, Lawrence K.,Huang, Stella,Taber, Matthew T.,Zhang, Jie,Dubowchik, Gene M.
, p. 4029 - 4032 (2007/10/03)
8-Aryl-1,3a,8-triaza-cyclopenta[a]indenes represent a novel series of high binding affinity corticotropin-releasing factor 1 receptor antagonists. Here, we report their synthesis, SAR, and pharmacokinetic properties of compound 8e (Ki = 23 nM).
