Synthesis and structure of the azidogermyliumylidene azide complex [L(N3)Ge:]+N3−with covalently and ionically bonded azide ligands at germanium(ii) [L = bis(N-heterocyclic carbene)]
نویسندگان
چکیده
منابع مشابه
Synthesis and structure of the azidogermyliumylidene azide complex [L(N3)Ge:](+)N3- with covalently and ionically bonded azide ligands at germanium(II) [L = bis(N-heterocyclic carbene)].
Starting from the chlorogermyliumylidene chloride salt [L(Cl)Ge:]Cl (1) (L = 1,1'-methylene-3,3'-di-2,6-diisopropyl-phenylimidazole-2,2'-diylidene), the chloride ion can be easily substituted by BPh4 to yield [L(Cl)Ge:]BPh4 (3). Reaction of the latter with NaN3 furnishes [L(N3)Ge:]BPh4 (4). In contrast, the direct reaction of 1 with NaN3 affords exclusively the first azidogermyliumylidene azide...
متن کاملAlkyne-Azide Cycloaddition Catalyzed by Silver Chloride and “Abnormal” Silver N-Heterocyclic Carbene Complex
A library of 1,2,3-triazoles was synthesized from diverse alkynes and azides using catalytic amounts of silver chloride instead of copper compounds. In addition, a novel "abnormal" silver N-heterocyclic carbene complex was tested as catalyst in this process. The results suggest that the reaction requires only 0.5% of silver complex, affording 1,2,3-triazoles in good yields.
متن کاملPhotophysical and photochemical studies of tricarbonyl rhenium(i) N-heterocyclic carbene complexes containing azide and triazolate ligands
Rhenium(I) N-heterocyclic carbene (NHC) complexes of the type fac-[Re(CO)3(NHC)L] with either azide or triazolate ancillary ligands L and pyridyl or pyrimidyl substituted imidazolyl units have been prepared and structurally characterised, and their photophysical and photochemical properties studied. All of the complexes exhibit phosphorescent emission from triplet metal-to-ligand (MCLT) excited...
متن کاملthe underlying structure of language proficiency and the proficiency level
هدف از انجام این تخقیق بررسی رابطه احتمالی بین سطح مهارت زبان خارجی (foreign language proficiency) و ساختار مهارت زبان خارجی بود. تعداد 314 زبان آموز مونث و مذکر که عمدتا دانشجویان رشته های زبان انگلیسی در سطوح کارشناسی و کارشناسی ارشد بودند در این تحقیق شرکت کردند. از لحاظ سطح مهارت زبان خارجی شرکت کنندگان بسیار با هم متفاوت بودند، (75 نفر سطح پیشرفته، 113 نفر سطح متوسط، 126 سطح مقدماتی). کلا ...
15 صفحه اولTHE CYTOCHROME c-AZIDE COMPLEX BY B. L. HORECKER
Since both cyanide and azide have been shown to block the oxidation of cytochrome c by cytochrome oxidase (l), it has been generally accepted that the toxicity of these substances is due to this property. A considerable amount of evidence has accumulated, however, indicating that aside and cyanide do not inhibit respiration in a parallel manner under all conditions. Thus Stannard (2) was able t...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Chem. Commun.
سال: 2014
ISSN: 1359-7345,1364-548X
DOI: 10.1039/c3cc48166b