An alternative synthesis of (±)-phenylephrine hydrochloride [PDF]
Maejo International Journal of Science and Technology, 2014 This study presents alternative synthetic pathways and reagents for the preparation of racemic phenylephrine hydrochloride. Using m-hydroxybenzaldehyde as starting material, two separate pathways–epoxidation and bromohydrin formation–are
Aphiwat Teerawutgulrag +3 more
doaj +1 more source
Spectrophotometric determination of Phenylephrine hydrochloride and Salbutamol sulphate drugs in pharmaceutical preparations using diazotized Metoclopramide hydrochloride [PDF]
مجلة بغداد للعلوم, 2015 A spectrophotometric method has been proposed for the determination of two drugs containing phenol group [phenylephrine hydrochloride (PHP) and salbutamol sulphate (SLB)] in pharmaceutical dosage forms.
Baghdad Science Journal
doaj +4 more sources
Spectrophotometric Assay of Phenylephrine Hydrochloride Using 4-Aminoantipyrine and Copper (II) [PDF]
Pakistan Journal of Analytical & Environmental Chemistry, 2010 A new spectrophotometric method is proposed for determination of phenylephrine hydrochloride. The method is based on the coupling of 4-aminoantipyrine (4-AAP) with phenylephrine hydrochloride (PEH) to give a new ligand that reacts with copper (II) in the
Theia'a N. Al-Sabha
doaj +2 more sources
Philippine Journal of Ophthalmology, 2005 Objective: To evaluate the pressor and mydriatic effects of different concentrations of tropicamide and phenylephrine eye drops: tropicamide 0.5% (Mydriacyl), phenylephrine hydrochloride 2.5% (Mydfrin), tropicamide-phenylephrine combination 0.5%/0.5 ...
Marion Alva Mesina-Bayana, MD +1 more
doaj +1 more source
E-Journal of Chemistry, 2011 A new high performance liquid chromatographic (HPLC) method was developed for the determination of paracetamol, phenylephrine hydrochloride, oxolamine citrate and chlorpheniramine maleate in combined pharmaceutical formulations and dosage forms.
Ozan Pirol +2 more
doaj +2 more sources
Spectrophotometric Estimation of Phenylephrine Hydrochloride via Oxidative Coupling Reaction with p-Aminobenzophenone [PDF]
, 2023 In this research, a rapid, simple and accurate spectrophotometric approach was described for the estimation of phenylephrine hydrochloride in the pure and in its drug forms.
Hanan H. Ahmed
openalex +3 more sources
Anaphylaxis to dextromethorphan with positive skin testing: a case report [PDF]
Allergy, Asthma & Clinical ImmunologyBackground Dextromethorphan (DM) is a cough suppressant that is widely available in many prescribed and over-the-counter medications. Both immediate and delayed hypersensitivity reactions have been reported following the ingestion of DM.
Eman Badawod, Jackie Campbell, Erika Lee
doaj +2 more sources
Separation and simultaneous determination of paracetamol, phenylephrine hydrochloride and chlorpheniramine maleate in a commercial tablet by a rapid isocratic HPLC method [PDF]
Human, Health and Halal Metrics, 2020 Background and objective: Pharmaceutical formulations for relief of cold signs usually contain high concentration of acetaminophen and small concentration of phenylephrine hydrochloride and chlorpheniramine maleate.
Afsaneh Nabi +3 more
doaj +1 more source
AVAILABILITY OF PHENYLEPHRINE HYDROCHLORIDE FROM OPHTHALMIC MULTIPLE EMULSIONS [PDF]
Bulletin of Pharmaceutical Sciences. Assiut University, 1988 Phenylephrine hydrochloride was formulated in different emulsion systems with and without viscolizers (methylcellulose and tylose). The diffusion coefficient of phenylephrine hydrochloride in different formulation has been determined.
M. Attia +3 more
doaj +1 more source
Spectrophotometric Assay of Phenylephrine hydrochloride in Pharmaceutical Formulation with Alizarin Red sulphonate in Aqueous Solution [PDF]
مجلة التربية والعلم, 2013 A simple, rapid and sensitive spectrophotometric method for the determination of phenylephrine hydrochloride was developed. The method is based on the proton transfer reaction with alizarin red sulphonate in aqueous neutral solution to form a violet ...
Thabit Al-Ghabsha, A. Al-Delymi
doaj +1 more source