Mononuclear gallium complexes with the redox-active dmp-bian ligand (dmp-bian is 1,2-bis[(2,6-dimethylphenyl)imino]acenaphthene): synthesis and reactions with alkynes

被引：10

作者：

Skatova, A. A. ^{[1
]}

Bazyakina, N. L. ^{[1
]}

Fedushkin, I. L. ^{[1
]}

Piskunov, A., V ^{[1
]}

Druzhkov, N. O. ^{[1
]}

Cherkasov, A., V ^{[1
]}

机构：

[1] Russian Acad Sci, GA Razuvaev Inst Organometall Chem, 49 Ul Tropinina, Nizhnii Novgorod 603137, Russia

来源：

RUSSIAN CHEMICAL BULLETIN | 2019年 / 68卷 / 02期

关键词：

gallium; acenaphthene-1,2-diimines; redox-active ligands; synthesis; structure; X-ray diffraction; MOLECULAR-STRUCTURE; CRYSTAL-STRUCTURES; OXIDATIVE ADDITION; CALCIUM COMPLEXES; DIIMINE LIGANDS; ZINC-COMPLEXES; METAL; CATALYSIS; MAGNESIUM; REACTIVITY;

D O I：

10.1007/s11172-019-2383-9

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The direct reduction of 1,2-bis[(2,6-dimethylphenyl)imino]acenaphthene (dmp-bian (1)) with gallium metal in toluene affords the solvent-free bis-ligand complex [(dmp-bian)(2)Ga] (2), in which two diimine ligands are in different oxidation states (radical-anionic and dianionic). The addition of phenylacethylene to the Ga-N-C moiety of the dianionic ligand of compound 2 gives the complex [(dmp-bian)Ga(HC=CPh)(dmp-bian)] (3), in which new Ga-C and C-C bonds are formed. The reaction of 2 with hex-1-yne produces the gallium dialkynyl complex [(dmp-bian)Ga(C C-Bu)(2)] (4), with the metal atom bonded to the dmp-bian radical anion. Paramagnetic compounds 2-4 were characterized by ESR spectroscopy and X-ray diffraction. The known compound dmp-bian was structurally characterized for the first time.

引用

页码：275 / 283

页数：9

共 69 条

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