排序方式: 共有7条查询结果,搜索用时 15 毫秒
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Rachid Touzani Michael HaibachAgnieszka J. Nawara-Hultzsch Sghir El KadiriThomas J. Emge Alan S. Goldman 《Polyhedron》2011,30(15):2530-2534
The complexation of the simple 1-hydroxymethyl-3,5-dimethylpyrazole (HL) ligand with Fe and Ni salts leads to interesting polynuclear complexes in good yield. X-ray diffraction reveals that the resulting complexes (μ4-L)4Ni4Cl4(H2O)4 and (μ2-L)4(μ3-L)2Fe8Cl16(μ4-O)6 adopt cubane-type and open-cubane-type structures in the solid state. 相似文献
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In this article, first, we prove some properties of the sub-fractional Brownian motion introduced by Bojdecki et al. [Statist. Probab. Lett. 69(2004):405–419]. Second, we prove the continuity in law, with respect to small perturbations of the Hurst index, in some anisotropic Besov spaces, of some continuous additive functionals of the sub-fractional Brownian motion. We prove that our result can be obtained easily, by using the decomposition in law of the sub-fractional Brownian motion given by Bardina and Bascompte [Collect. Math. 61(2010):191–204] and Ruiz de Chavez and Tudor [Math. Rep. 11(2009):67–74], without using the result of Wu and Xiao [Stoch. Proc. Appl. 119(2009):1823–1844] by connecting the sub-fractional Brownian motion to its stationary Gaussian process through Lamperti’s transform. This decomposition in law leads to a better understanding and simple proof of our result. 相似文献
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Zerrouki Abdelkhalek Abrigach Farid Taleb Mustapha El Kadiri Sghir 《Research on Chemical Intermediates》2020,46(2):1453-1467
Research on Chemical Intermediates - A class of novel multi-tripodal ligands has been prepared via condensation reaction between pyrazole or triazole moieties and... 相似文献
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Nouria Boussalah Rachid Touzani Faiza Souna Iman Himri Mohammed Bouakka Abdelkader Hakkou Said Ghalem Sghir El Kadiri 《Journal of Saudi Chemical Society》2013,17(1):17-21
Series of functional multidendate ligands based on pyrazole and amino acid derivatives were prepared in good and excellent yields (75–5%) by condensation of one equivalent of amino acid ester hydrochloride substrates with two equivalents of (3,5-dimethyl-1H–pyrazol-1-yl)methanol. These tridentate functionalized compounds and their starting materials were screened for their antifungal activities against Fusarium oxysporum f.sp. albedinis and the yeast of Saccharomyces cerevisiae. Considerable activities were recorded with respect to the two studied microorganisms. 相似文献
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A synthesis of three new tripodal ligands: 3-[bis-(3,5-dimethyl-pyrazol-1-ylmethyl)-amino]-propan-1-ol L1, 3-[bis-(5-methyl-3-carbomethoxy-pyrazol-1-ylmethyl)-amino]-propan-1-ol, L2 and 3-[bis-(5-methyl-3-carboethoxy-pyrazol-1-ylmethyl)-amino]-propan-1-ol L3 is reported. The in situ-generated copper(II) complexes of three new compounds (L1–L3) were examined for their catalytic activities and were found to catalyse the oxidation reaction of catechol to o-quinone with the atmospheric dioxygen. These activities depend on the nature of the ligand and the copper salts. 相似文献
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