نتایج جستجو برای: niementowski reaction

تعداد نتایج: 412404  

Journal: :organic chemistry research 0
meghdad karimi tarbiat modares university-tehran_iran athar nakisa tarbiat modares university-tehran_iran kobra azizi tarbiat modares university-tehran, iran akbar heydari tarbiat modares university-tehran_iran

we have used tungestophosphoric acid to catalyze oxidative amidation reaction from benzyl alcohols and methylarens with hydrochloride salts of amines. to achieve this purpose, modified magnetic nanoparticles (γ-fe2o3@sio2@h3pw12o40) were applied as catalyst and tbhp as external oxidant. after optimizing, different derivates of benzamides were synthesized in good yields. also, the result of two ...

Journal: :فصلنامه علمی پژوهشی گیاهان دارویی 0
s kianbakht institute of medicinal plants, p.o.box (mehr villa): 31375-369, karaj, iran tel: +98-26-34764010-9, fax: +98-26-34764021 r hajiaghaee 2- pharmacognosy & pharmaceutics department of medicinal plants research center, institute of medicinal plants, acecr, karaj, iran

background: s. alopecuroides, z. officinale and m. officinalis are used traditionally in the treatment of pain. objective: to evaluate the plants effects in the rat formalin test and their activity on the opioid receptors. methods: each rat was placed individually in a cage for 30 min to get acclimated. then 0.05 ml of 10% formalin was injected subcutaneously into the dorsal surface of the righ...

Journal: :archives of clinical infectious diseases 0
gita eslami infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran hossein goudarzi department of microbiology, shahid beheshti university of medical sciences, tehran, ir iran elnaz ohadi department of microbiology, international branch of shahid beheshti university of medical sciences, tehran, ir iran; department of microbiology, international branch of shahid beheshti university of medical sciences, tehran, ir iran. tel.: +98-2123872556, fax: +98-2122439964 arezou taherpour department of microbiology, shahid beheshti university of medical sciences, tehran, ir iran bita pourkaveh infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran soudabeh taheri department of microbiology, shahid beheshti university of medical sciences, tehran, ir iran

conclusions based on our study, plca and hlya played a key role in the virulence determination of l. monocytogenes. data analysis also showed that l. monocytogenes could be a causative agent of abortion in pregnant women. results out of 96 samples, 16 isolates of l. monocytogenes by pcr (plca and hlya) and four isolates by culture were identified. there was a significant difference between pcr ...

Journal: :hepatitis monthly 0
hassan dastsooz department of medical genetics, shiraz university of medical sciences, shiraz, ir iran; department of molecular medicine, shiraz university of medical sciences, shiraz, ir iran mohammad hadi imanieh shiraz transplant research center, gastroenterohepatology research center, namazi teaching hospital, shiraz university of medical sciences, shiraz, ir iran seyed mohsen dehghani shiraz transplant research center, gastroenterohepatology research center, namazi teaching hospital, shiraz university of medical sciences, shiraz, ir iran mahmood haghighat shiraz transplant research center, gastroenterohepatology research center, namazi teaching hospital, shiraz university of medical sciences, shiraz, ir iran maryam moini department of internal medicine, gastroenterology and hepatology research center, shiraz university of medical sciences, shiraz, ir iran majid fardaei department of medical genetics, shiraz university of medical sciences, shiraz, ir iran; department of molecular medicine, shiraz university of medical sciences, shiraz, ir iran; stem cell and transgenic technology research center, shiraz university of medical sciences, shiraz, ir iran; department of medical genetics, shiraz university of medical sciences, 7134853185, shiraz, ir iran. tel: +98-7112349610, fax: +98-7112349610

results using these two sets, we identified h1069q mutation in four patients, c.2335t > g mutation in three, c.3061-1g > a splice site mutation in five, c.3305t > c mutation in one, and c.3809a > g mutation in two patients. conclusions the multiplex arms assay used in this study can be an efficient, reliable, and cost effective method as a primary screen for patients with wilson disease. patien...

Journal: :medical laboratory journal 0
hosein soleimanpoor department of parasitology mansour dabirzadeh department of parasitology and mycology bahman fooladi department of parasitology

abstract        background and objective: chabahar is in southern iran located near the iran-pakistan border. since leishmaniasis is an emerging disease in this region, this study aimed to diagnose the disease and identify different species of leishmania parasite in the patients referred to the central laboratory.       methods: this descriptive cross-sectional study was conducted in 2011-2012 ...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده شیمی 1392

واکنش تک-ظرف چهار جزئی بین مشتقات 3-فرمیل کرومون، آلکیل ایزوسیانیدها و ملدروم اسید در حضور الکل ها در حلال دی کلرو متان منجر به تشکیل سوکسینیمیدهای پر استخلاف دارای گروههای کرومونی در دمای محیط به صورت فضا گزین می شود. داده های طیفی ساختار (3r,4r) یا تصویر آیینه ای آن را که در آن ها هیدروژن های متین بخش سوکسینیمیدی به صورت سیس قرار گرفته اند، به خوبی تایید می کند. سنتز مشتقات جدیدی از هیدرو...

Journal: :iranian journal of pathology 2009
amitis ramezani ali eslamifar arezoo aghakhani ebrahim kalantar mohammad banifazl

background and objective: the outcome of hepatitis b virus (hbv) infection may be influenced by host factors like human leukocyte antigen (hla). we have investigated hla-a and drb1 alleles in patients with persistent hepatitis b infection compared to subjects who had spontaneously recovered from hbv infection. to complete the findings of this study we performed another survey in certain hla all...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2002
fatollah salehirad

in order to gain a better understanding of the chemistry of methanl-to-hydro-carbon conversion, it is necessary to determine the nature of the primary reaction products. experiments carried out in this work on h-zsm-11, using a continuous flow reactor linked to an on-line gas chromatograph demonstrated that ethylene and methane are the primary reaction products. the results obtained using solid...

Journal: :journal of pharmaceutical care 0
ava mansouri research center for rational use of drugs, tehran university of medical sciences, tehran, iran. shima tasharoie research center for rational use of drugs, tehran university of medical sciences, tehran, iran. saeideh javidee research center for rational use of drugs, tehran university of medical sciences, tehran, iran. mona kargar research center for rational use of drugs, tehran university of medical sciences, tehran, iran. maryam taghizadeh-ghehi research center for rational use of drugs, tehran university of medical sciences, tehran, iran. molouk hadjibabaie research center for rational use of drugs and clinical pharmacy department, faculty of pharmacy, tehran university of medical sciences, tehran, iran.

thrombolytic agents are among the medications that are used widely for the treatment of thromboembolic disorders and myocardial infarction (mi). despite the world-wide availability of newer specific agents, streptokinase (sk) is still the most frequently used medication from this class in iran. hence we conducted this study to review the adverse reactions to this medication which were reported ...

Journal: :journal of food quality and hazards control 0
s. boughattas a. bouratbine [email protected]

background: toxoplasmosis is one of the most important food-borne diseases distributed worldwide. in order to determinate the involvement of poultry meat in clinical toxoplasmosis, this study aimed to genetic characterization of toxoplasma gondii in tissue samples of serologically positive chickens of tunisia using polymerase chain reaction (pcr). methods: trail of isolation of local t. gondii ...

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