نتایج جستجو برای: ternary schiff base

تعداد نتایج: 276677  

2008
Ming-Qian Feng Jing Li Wen-Jie Wei Chang-Hong Liu

The title complex, [Fe(C(12)H(9)ClNO(2))(3)], is a mononuclear Schiff base iron(III) compound. The Fe atom is six-coordinated by three phenolic O and three imine N atoms from three Schiff base ligands in an octa-hedral geometry.

ژورنال: طلوع بهداشت یزد 2013
احرامپوش, محمدحسن, امرالهی, محسن , جمشیدی, بهزاد , طباطبایی, معصومه , عسکر شاهی, محسن , قانعیان, محمدتقی ,

  Background: The heavy metals are the most important pollutants their concentration of which in the environment is increasing in connection with cities and industrials development. One of these metals is chromium which, in the trivalent and Hexavalent oxidation state, is used in industries such as electroplating, glass, ceramic, tannery and leather. Hexavalent Chromium has proven several healt...

Journal: :Australian Journal of Chemistry 1966

Journal: :Journal of The Japan Petroleum Institute 1979

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان همدان - دانشکده علوم 1393

چکیده موضوع تحقیق : سنتز و شناسایی هشت لیگاند بازشیف بزرگ حلقه و بزرگ غیر حلقه ای حاوی اتمهای دهنده ی مختلف و احیای تعدادی از آنها هدف : هدف از این پرو‍‍‍ژه سنتز و شناسایی هشت لیگاند بازشیف بزرگ حلقه و بزرگ غیر حلقه ای و احیای تعدادی از آنها می باشد . روش انجام کار : در این پروژه ابتدا دو لیگاند 4 دندانه o (hl1, hl2) n3 جدید سنتز و به وسیله روشهای اسپکتروسکوپی ir و 13c nmr و 1h nmr و میکر...

Journal: :journal of nanostructures 2015
h. khojasteh v. mirkhani m. moghadam s. tangestaninejad i. mohammadpoor-baltork

palladium is the best metal catalyst for suzuki cross coupling reaction for synthesize of unsymmetrical biaryl compounds. but its high cost limits its application in wide scale. using of nanoscale particles as active catalytic cites is a good approach for reducing needed noble metal. by loading precious nanoparticles on magnetic nanocores as a support, recycling and reusing of catalyst will be ...

Journal: :journal of physical & theoretical chemistry 2006
r. hakimelahi m.a. seyed sadjadi h. aghaie m. aghaie

neutral bidentate n-o type complexe of vo(ii) has been synthesized through condensation of dpenicillamine,(d-h2pen), with bis(acetylacetonate)- oxovanadium(iv),[vo(acac)2], at neutralmedium . the established schiff base(no type) complex was characterized on the basis of ir andmass spectroscopy techniques.besides,d-h2pen binding behavior to[vo(acac)2] has been studiedin thermodynamic viewpoint u...

Journal: :journal of physical & theoretical chemistry 2015
mahmood payehghadr farzaneh nourifard mehdi kalhor chiman shahoei

a new schiff base ligand, 2,2'-{pyridine-2,6-diylbis[nitrilo(e)methylylidene]}bis(4 bromophenol),has been synthesized by reaction of the 2,6-diamino pyridine with 5-bromo salicylaldehyde at ethanolunder refluxing. the structure of the synthesized compound resulted from the ir, 1hnmr, ms anduv spectroscopy and elemental analysis data. formation constant (kf) value of it’s complexes withcu2+, ni2...

Journal: :international journal of nano dimension 0
zainab tohidian department of chemistry, faculty of science, shahid bahonar university of kerman, kerman, iran. iran sheikhshoaie department of chemistry, faculty of science, shahid bahonar university of kerman, kerman, iran. moj khaleghi department of biology, faculty of science, shahid bahonar university of kerman, kerman, iran.

new two nano- sized schiff base complexes [m(l)], where l= 2, 2'-((1e, 1e')-(1, 2 phenylen bis (azanylylidene)) bis (methanylylidene)) bis (4-bromo phenolato) and m=cu or zn, (a, b complexes) were synthesized by ultrasonic irradiation. these complexes were characterized by elemental analysis, molar conductivity, ft-ir, fluorescence emission, 1h nmr, field emission scanning electron sp...

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