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Synthesis of Precursor Imidazolium Salts for the Synthesis of N-Heterocyclic Carbines Used as Ligands for the Enantioselective Preparation of Heterosteroids Compounds

INTRODUCTION Since the discovery of the first N-heterocyclic carbene (NHC) [...]

By |2017-01-09T15:08:34+00:00June 26, 2014|Volume 30, Number 2|Comments Off on Synthesis of Precursor Imidazolium Salts for the Synthesis of N-Heterocyclic Carbines Used as Ligands for the Enantioselective Preparation of Heterosteroids Compounds

High Performance Thin Layer Chromatographic Quantification Domperidone and Paracetamol in Tablets Forms Domperidone, Paractamol, Silica gel HPTLC Plate, HPTL

INTRODUCTION Domperidone (DMP, 5-chloro-1-[1-[3-(2-oxo-2,3-dihydro-1H behzimidazol-1-yl)propyl]piperidine-4-yl]-1,3-dihydro-2H-benzimidazol-2-one; Figure 1) is used as [...]

By |2019-05-15T12:46:54+00:00March 28, 2014|Volume 30, Number 1|Comments Off on High Performance Thin Layer Chromatographic Quantification Domperidone and Paracetamol in Tablets Forms Domperidone, Paractamol, Silica gel HPTLC Plate, HPTL

Dft Study on 4(5)-Imidazole-Carbaldehyde-N(5)-Phenylthiosemicarbazone (Imtph): Nmr Shielding Tensors, Thermodynamic Parameters, Nbo Analysis, Molecular Electrostatic Potential (Mep), Homo and Lumo Studies

Introduction Imidazole is an organic compound with the formula C3H4N2. [...]

By |2019-05-15T12:48:09+00:00March 28, 2014|Volume 30, Number 1|Comments Off on Dft Study on 4(5)-Imidazole-Carbaldehyde-N(5)-Phenylthiosemicarbazone (Imtph): Nmr Shielding Tensors, Thermodynamic Parameters, Nbo Analysis, Molecular Electrostatic Potential (Mep), Homo and Lumo Studies

Graphene for Preconcentration of Trace Amounts of Ni in Water and Paraffin-Embedded Tissues from Liver Loggerhead Turtles Specimens Prior to flame Atomic Absorption Spectrometry

Introduction Ni at trace concentrations acts as both a micronutrient [...]

By |2019-05-15T12:48:50+00:00March 28, 2014|Volume 30, Number 1|Comments Off on Graphene for Preconcentration of Trace Amounts of Ni in Water and Paraffin-Embedded Tissues from Liver Loggerhead Turtles Specimens Prior to flame Atomic Absorption Spectrometry

An Efficient Method For The One-Pot, Four-Component Benzaldehyde Based Synthesis of 3-Methyl-1,4-Diphenyl-7,8-Dihydro-1H-Furo[3,4-E]Pyrazolo[3,4-B]Pyridin-5(4H)-Ones Catalyzed by Alum in Environment-Friendly Media.

INTRODUCTION Application of multicomponent reactions (MCRs) to the construction of [...]

By |2019-05-15T12:49:49+00:00March 28, 2014|Volume 30, Number 1|Comments Off on An Efficient Method For The One-Pot, Four-Component Benzaldehyde Based Synthesis of 3-Methyl-1,4-Diphenyl-7,8-Dihydro-1H-Furo[3,4-E]Pyrazolo[3,4-B]Pyridin-5(4H)-Ones Catalyzed by Alum in Environment-Friendly Media.

Study of Mesoionic Compounds: Synthesis and Pharmacological Evaluation of Several 2-[{(4-Substituted-1-sulphonyl) Sydnon-3-yl}]-1,3,4-thiadiazino(6,5-b)indoles as Antimicrobial, Insecticidal and Antihelmintic Agents

INTRODUCTION An enormous amount of research on synthetic and pharmacological [...]

By |2019-05-15T12:49:57+00:00March 28, 2014|Volume 30, Number 1|Comments Off on Study of Mesoionic Compounds: Synthesis and Pharmacological Evaluation of Several 2-[{(4-Substituted-1-sulphonyl) Sydnon-3-yl}]-1,3,4-thiadiazino(6,5-b)indoles as Antimicrobial, Insecticidal and Antihelmintic Agents

Voltammetric Study and Determination of Phenylephrine Hydrochloride at INP-Nafion-Modified CPE Sensor Employing Differential Pulse Voltammetry

INTRODUCTION Phenylephrine hydrochloride, PHE, (R)-3-hydroxy-α-[(methylamino) methyl] enzenemethanol hydrochloride, is a [...]

By |2019-05-15T12:51:19+00:00March 28, 2014|Volume 30, Number 1|Comments Off on Voltammetric Study and Determination of Phenylephrine Hydrochloride at INP-Nafion-Modified CPE Sensor Employing Differential Pulse Voltammetry

Comparative Study of Antioxidant Activity of Different Extracts and Essential oil Compositions Obtained from Artemisia Sieberi Besser Using Two Different Methods

Introduction Artemisia sieberi Besser, belongs to the Asteraceae family, is [...]

By |2019-05-15T12:51:58+00:00March 28, 2014|Volume 30, Number 1|Comments Off on Comparative Study of Antioxidant Activity of Different Extracts and Essential oil Compositions Obtained from Artemisia Sieberi Besser Using Two Different Methods

Microwave Synthesis and Antimicrobial Activity of some Copper (II), Cobalt (II), Nickel (II) and Chromium (III) Complexes with Schiff Base 2, 6-Pyridinedi carboxaldehyde-Thiosemicarbazone

Introduction Microwave irradiation now a day is an accepted tool [...]

By |2019-05-15T12:52:49+00:00March 28, 2014|Volume 30, Number 1|Comments Off on Microwave Synthesis and Antimicrobial Activity of some Copper (II), Cobalt (II), Nickel (II) and Chromium (III) Complexes with Schiff Base 2, 6-Pyridinedi carboxaldehyde-Thiosemicarbazone

Development and Validation of a Stability Indicating Liquid Chromatographic Method for Simultaneous Estimation of Dutasteride and Tamsulosin in Combined Dosage Form

INTRODUCTION Dutasteride (DTS) is chemically (5α,17β)-N-{2,5-bis(trifluoromethyl)phenyl}-3-oxo-4-azaandrost-1-ene-17-carboxamide with an empirical formula [...]

By |2019-05-15T13:48:24+00:00January 1, 2014|Volume 29, Number 4|Comments Off on Development and Validation of a Stability Indicating Liquid Chromatographic Method for Simultaneous Estimation of Dutasteride and Tamsulosin in Combined Dosage Form

A Validated Spectral Discriminating Derivative Spectrophotometric Method for Simultaneous Quantification of Atorvastatin calcium and Fenofibrate Combination in Tablets

INTRODUCTION Atorvastatin Calcium (ATV) chemically [R-(R*,R*)]-2-(4-Fluorophenyl)-β,δ-dihydroxy–5-(1–methylethyl)-3–phenyl–4-[(phenylamino)carbonyl]-1H-pyrrole–1–heptanoic acid, is a HMG-Co [...]

By |2019-05-15T13:49:37+00:00January 1, 2014|Volume 29, Number 4|Comments Off on A Validated Spectral Discriminating Derivative Spectrophotometric Method for Simultaneous Quantification of Atorvastatin calcium and Fenofibrate Combination in Tablets
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