نتایج جستجو برای: sandmeyer reaction

تعداد نتایج: 412418  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده شیمی 1389

in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...

Journal: :iranian journal of catalysis 2015
samaneh zahiri masoud mokhtary mogharab torabi

the direct three component modified mannich reaction via condensation of aldehydes, 2-naphthol or 2,7-naphthalendiol and piperidine to generate betti bases has been carried out over l-proline (20 mol%) with high efficiency under solvent free conditions at 70 oc. also, the reaction of aromatic aldehyde and 4-hydroxycoumarin in the presence of l-proline (20 mol%) in the ethanol under reflux condi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم پایه 1391

a simple, rapid and low-cost scanner spectroscopy method for the glucose determination by utilizing glucose oxidase and cdte/tga quantum dots as chromoionophore has been described. the detection was based on the combination of the glucose enzymatic reaction and the quenching effect of h2o2 on the cdte quantum dots (qds) photoluminescence.in this study glucose was determined by utilizing glucose...

Journal: :inorganic chemistry research 0
seyed abolghasem kahani massumeh khedmati

ni6(n2h4)6(so4)4(oh)2(h2o)8](so4)(h2o)10 complex was prepared according to literature report. the reaction between aforementioned complex via sodium alkoxides as a reactants, were carried out in the solid state. the [ni6(n2h4)6(so4)4(oh)2(h2o)8](so4)(h2o)10 undergoes an intramolecular two electrons oxidation-reduction reaction at room temperature and metallic nickel nanoparticles (ni1-ni5) was ...

Journal: :inorganic chemistry research 2015
seyed abolghasem kahani massumeh khedmati

ni6(n2h4)6(so4)4(oh)2(h2o)8](so4)(h2o)10 complex was prepared according to literature report. the reaction between aforementioned complex via sodium alkoxides as a reactants, were carried out in the solid state. the [ni6(n2h4)6(so4)4(oh)2(h2o)8](so4)(h2o)10 undergoes an intramolecular two electrons oxidation-reduction reaction at room temperature and metallic nickel nanoparticles (ni1-ni5) was ...

Journal: :journal of pharmaceutical care 0
ebrahim salehifar associate professor of clinical pharmacy, mazandaran university of medical sciences, faculty of pharmacy, clinical pharmacy department, pharmaceutical research center, pharmaceutical care department of emam khomeini hospital, sari, mazandaran, iran shahram ala associate professor of clinical pharmacy, mazandaran university of medical sciences, faculty of pharmacy, clinical pharmacy department, pharmaceutical research center, pharmaceutical care department of emam khomeini hospital, sari, mazandaran, iran mina amini pharmacist, pharmaceutical care department of emam khomeini hospital, sari, mazandaran, iran elham azhdari pharmacist, pharmaceutical care department of emam khomeini hospital, sari, mazandaran, iran farzaneh mir-shafa pharmacist, food and drug deputy of mazandaran university of medical sciences, sari, mazandaran, iran

background : following establishment of iranian adverse drug reaction (adr) monitoring  center  in  1997, adr  committees  were  established  in  all  hospitals  of mazandaran province of iran. clinical pharmacists from mazandaran university of medical sciences have been involved with these committees since 2007. the aim of this study was to compare the results of the pharmacovigilance system b...

پایان نامه :موزه جانورشناسی دانشگاه تهران 1388

سنتز ایمیدازو[1,2-a] پیریدین ها و مشتقاتشان توجه ویژه ای را در سالهای اخیر به عنوان ترکیباتی با خاصیت دارویی جلب کرده اند. روش های زیادی برای سنتز این ترکیبات گزارش شده است. در این پایان نامه روش جدید و آسانتری برای سنتز ایمیدازو [1,2-a] پیریدین ها ارائه شده است. در این روش با استفاده از حد واسطهای ایلیدی این دسته از ترکیبات بدست می آیند.

Journal: :journal of biotechnology and health sciences 0
taghi naserpour farivar cellular and molecular research center, qazvin university of medical sciences, qazvin, ir iran; cell and molecular research center, qazvin university of medical sciences, qazvin, ir iran. tel: +98-9128801401, fax: +98-2813324971 pouran johari cellular and molecular research center, qazvin university of medical sciences, qazvin, ir iran mohammad hashemi shahri infectious diseases and tropical medicine research center, zahedan university of medical sciences, zahedan, ir iran mohammad naderi infectious diseases and tropical medicine research center, zahedan university of medical sciences, zahedan, ir iran roya alavi infectious diseases and tropical medicine research center, zahedan university of medical sciences, zahedan, ir iran batoul sharifi-mood infectious diseases and tropical medicine research center, zahedan university of medical sciences, zahedan, ir iran

results our study showed that the sensitivity and specificity of taqman real time pcr was 96% and 95% respectively. these values were 89% and 90, 38% and 100%, 6% and 100% for pcr, culture and microscopy, respectively. conclusions our study showed that sensitivity of taqman real time pcr was higher that pcr, culture and microscopy but specificity of culture and microscopy was more than pcr and ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی شریف 1371

هدف پروژه بر اساس تعریف اولیه بررسی امکان ساخت قطعات و خصوصا المنت های کاربوراندومی با روش اتصال واکنشی (reaction bonded sintering) حتی الامکان زیر 1500c درجه بوده است . طی این کار نمونه هائی از مواد اولیه sic , si a و یک بایندر آلی پرش گردیده و در داخل پودر کک و ظرف در بسته با برنامه حرارتی کنترل شده در c1470 درجه پخت شدند. بر اساس بررسی ای سیستماتیک با میکروسکپ نوری sem+xrf و xrd مشخص گردید ک...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده علوم 1388

heteropoly acids (hpa) and their salts have advantages as catalysts which make them both economically and environmentally attractive, strong br?nsted acidity, exhibiting fast reversible multi-electron redox transformations under rather mild conditions, very high solubility in polar solvents, fairly high thermal stability in the solid states, and efficient oxidizing ability, so that they are imp...

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