نتایج جستجو برای: nano silica bonded 3 n propyl 1 sulfonic acid imidazolium chloride nano sb psimcl

تعداد نتایج: 4637194  

2011
Chuang-Yi Liao Hon Man Lee

In the title compound, C(19)H(19)N(4)O(2) (+)·Cl(-)·C(2)H(3)N, the dihedral angle between the two phenyl rings is 69.57 (8)° while the dihedral angles between the imidazole ring and the phenyl rings are 70.61 (7) and 82.11 (7)°. In the crystal, N-H⋯Cl, C-H⋯O, C-H⋯Cl and C-H⋯N hydrogen bonds link the imidazolium cations, chloride anions and acetonitrile solvent mol-ecules into a two-dimensional ...

2014
Ludovic F. Dumée Fenghua She Mikel Duke Stephen Gray Peter Hodgson Lingxue Kong

Meso-porous metal materials have enhanced surface energies offering unique surface properties with potential applications in chemical catalysis, molecular sensing and selective separation. In this paper, commercial 20 nm diameter metal nano-particles, including silver and copper were blended with 7 nm silica nano-particles by shear mixing. The resulted powders were cold-sintered to form dense, ...

Journal: :nanochemistry research 0
ali reza kiasat chemistry department, faculty of sciences, shahid chamran university of ahvaz, ahvaz, iran sheida hamid chemistry department, faculty of sciences, shahid chamran university of ahvaz, ahvaz, iran seyyed jafar saghanezhad acecr-production technology research institute, ahvaz, iran

a novel rice-husk-silica supported n-propyl bipyridinium chloride (rhprbpcl) has been prepared. due to the basicity of rhprbpcl, it was decided to evaluate its catalytic activity in the one-pot preparation of tetrahydrobenzo[b]pyran, dihydropyrano[3,2-c]chromene and dihydropyrano[4,3-b]pyran derivatives. the catalyst was characterized by ft-ir, sem and tga analyses. this methodology offers seve...

پایان نامه :0 1391

یکی از پلیمر های مورد توجه در زمینه مهندسی بافت پلی لاکتیک گلایکولیک اسید (plga) است. plga دارای خواص مطلوب زیست سازگاری و زیست تخریب پذیری می باشد ولی دارای خواص سطحی مطلوب برای چسبیدن، تکثیر وگسترش سلول ها نمی باشد. به همین دلیل پلیمرهای طبیعی و مواد معدنی طبیعی را به منظور بهبود برهم کنش بین سلول و داربست و همچنین بهبود خواص مکانیکی به داربست اضافه می کنند. در این تحقیق، ابتدا نانوالیافی از ...

Journal: :journal of sciences islamic republic of iran 0

a facile one step synthesis of anilino alky1-n-substituted phthalimide i is reported. the following compounds belonging to this series were made: 1. (anilino-n-ethyl) phthalimide 8 2. (3,4, 5-trimethoxy anilino-n-ethyl) phthalimide 6 3. (3,4, 5-trimethoxy anilino-n-propyl) phthalimide 7 4. n-(ethyl phthalirnido-p-amino benzoyl) glutamic acid diethyl ester 10 5. n-(propyl phthalimido-p-amino ben...

A facile one step synthesis of anilino alky1-N-substituted phthalimide I is reported. The following compounds belonging to this series were made: 1. (anilino-N-ethyl) phthalimide 8 2. (3,4, 5-trimethoxy anilino-N-ethyl) phthalimide 6 3. (3,4, 5-trimethoxy anilino-N-propyl) phthalimide 7 4. N-(ethyl phthalirnido-p-amino benzoyl) glutamic acid diethyl ester 10 5. N-(propyl phthalimido-p-ami...

Journal: :journal of chemical health risks 0
ali moghimi

a simple, highly sensitive, accurate and selective method was presented for determination of trace amounts of cu (ii) in water samples. the stability of an n, n´ -disalicylideneethylenediamine modified nano geraphene especially in concentrated hydrochloric acid was studied which used as a recycling and pre-concentration reagent for further uses of n, n´-disalicylideneethylenediamine modified na...

Journal: :nanochemistry research 2016
sadegh rostamnia* esmail doustkhah

sulfonic acid-based precursors (sap) play an important role in tailoring mesoporous silica’s and convert them to a solid acid catalyst with a bronsted-type nature. these kinds of solid acids contribute to sustainable and green chemistry by their heterogeneous, recyclable, and high efficiency features. therefore, knowing the properties and reactivity of saps can guide us to manufacture a sulfona...

Journal: :Zeitschrift für anorganische und allgemeine Chemie 2021

Treatment of 1-(n-butyl)-3-N-(2-Ar)acetamido-1, 3-imidazolium chloride (Ar=furylmethyl,phenylmethyl) with excess K2CO3 and [PdCl2(L−L)] (L−L=2 PPh3, dppf) afforded orange compounds composition [(1-(n-butyl)-3-N-(2-Ar)acetamido-1,3-imidazol-2-ylidene)]2Pd (Ar=furylmethyl; phenylmethyl). These complexes were characterized by NMR (1H 13C{1H} NMR), IR micro-analysis data. Subsequently, the catalyti...

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