research Synthesis of N-Substituted 3-Oxo-17b- carboxamide-4-aza-5a-androstanes and the Tautomerism of 3-Oxo-4-aza-5-androstenes
Researchers made two new compounds that could be used for medicine.
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research Hyaluronic acid microneedles enhance transdermal delivery of minoxidil derivatives with 1,2,4-oxadiazole-5-one unit for effective hair regeneration: Insights from X-ray crystallography and animal models
Hyaluronic acid microneedles help deliver minoxidil derivatives effectively for hair regrowth.
research Determination of protonation state in molecular salt of minoxidil and 2,4-dihydroxybenzoic acid through a combined experimental and theoretical study: influence of proton transfer on biological activities
The MXD/24HA salt is more effective for hair growth than raw MXD.
research Novel amino acid‐based surfactant for silicone emulsification and its application in hair care products: a promising alternative to quaternary ammonium cationic surfactants
N‐AOHPA is a promising alternative to traditional surfactants for better hair conditioning.
research Preparation of finasteride by selective dehydrogenation using IBX
The method produces finasteride with a 92% yield.
research Crystal Structure of 3-Oxo-4-Aza-5-Alpha-Androstone-17 β-Tert-Butyl Carboxamide with an O···H–(C, N) Acceptor Four-Center Hydrogen Bond
The research shows that hydrogen bonds greatly affect the crystal structure of a Finasteride derivative.
research Synthesis and structure–activity studies of side-chain derivatized arylhydantoins for investigation as androgen receptor radioligands
The nature of the side chain in RU 58841 derivatives greatly affects its AR affinity, with the N-(iodopropenyl) derivative 13 showing the highest AR binding affinity, suggesting its potential for developing high-affinity radioiodinated AR radioligands.
research Atroposelective Synthesis of Biaryl N‐Oxides via Cu‐Catalyzed De Novo Heteroaromatic N‐Oxide Ring Formation
A new method efficiently creates biaryl N-oxides with potential for cancer treatment and drug development.
research Metabolite screening of aromatic amine hair dyes usingin vitrohepatic models
The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
research Preparation, Characterization and Molecular Docking Study of some New Pyrazole Derivatives Derived from 2-Mercaptobenzothiazole.
New pyrazole derivatives may help treat hair loss, but more testing is needed.
research Cutaneous hydroxystereoid dehydrogenases and rat-hair-cycle
Certain enzymes react strongly with some hormones in rat skin during hair growth, mainly in sebaceous glands and hair sheaths.
research New approach to 3-oxo-4-aza-5α-androst-1-ene-17β-(--butylcarboxamide)
A new method was developed to make finasteride for treating hair loss.
research Determination of Oxymatrine in Human Plasma by HPLC-MS
A method was created to measure oxymatrine in human blood.
research Crystal Structure and Synthesis of 17.ALPHA.-Acetoxy-6,7-epoxypregn-4-ene-3,20-dione
A new compound was made that might help treat diseases related to male hormones.
research Circumventing Mukaiyama oxidation: selective S–O bond formation via sulfenamide–alcohol coupling
A new, efficient method creates sulfinimidate esters from sulfenamides and alcohols without metals.
research Simultaneous RP-HPLC-DAD determination of dansyl amino acids in chemically treated human hair
A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
research Action of Nucleophilic Reagents on Hair Keratin
Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
research Novel azaandrostane derivatives for the synthesis of 17β‐(N‐tert‐butyl carbamoyl)‐4‐aza‐5α‐androst‐1‐ene‐3‐one
A new method to make finasteride for hair loss treatment was developed.
research Simultaneous Estimation of Minoxidil and Aminexil in Bulk and Pharmaceutical Formulations by Rp-Hplc Method
A new method accurately measures minoxidil and aminexil in drugs.
research Attempted construction of minoxidil: carboxylic acid cocrystals; 7 salts and 1 cocrystal resulted
Made 8 minoxidil samples; 1 cocrystal, 7 salts formed.
research Simultaneous determination of minoxidil and minoxidil sulfate by high-performance liquid chromatography with UV-detection and its applications
The study developed a method to detect minoxidil and its sulfate form, found that minoxidil sulfate is temperature-sensitive, and identified a way to potentially increase its stability for hair loss treatment.
research DEVELOPING AND VALIDATING AN HPLC METHOD TO QUANTIFY SIMULTANEOUSLY DUTASTERIDE AND THEIR RELATED MOLECULES (DUTASTERIDE ACID, 2,5 BIS- (TRI FLUORO METHYL)-ANILINE AND DUTASTERIDE 17 α-EPIMER) IN CAPSULES
A reliable method was created to measure dutasteride and related molecules in capsules.
research Characterization of spironolactone and metabolites derivatized using Girard's reagent P using mass spectrometry and ion mobility spectrometry
Girard's reagent P improves detection of spironolactone and its metabolites.
research Alternative synthesis of the anti-baldness compound RU58841
A new, less toxic and more efficient method to create the anti-baldness compound RU58841 was developed in 2014.
research Synthetic Approaches for Pharmacologically Active Decorated Six-Membered Diazines
The document concludes that specific methods for making diazine-based drugs can lead to high yields and are important for creating effective treatments for various diseases.
research Synthesis, Characterization and Evaluation of 5α, 6β-Dihalo Androsterone Derivatives as 5α-Reductase Inhibitors
Compound 7b is a promising candidate for treating benign prostatic hyperplasia and prostate cancer.
![Verification of the Major Metabolic Oxidation Path for the Naphthoyl Group in Chemoattractant Receptor-Homologous Molecule Expressed on Th2 Cells (CRTh2) Antagonist 2-(2-(1-Naphthoyl)-8-fluoro-3,4-dihydro-1H-pyrido[4,3-b]indol-5(2H)-yl)acetic Acid (Setipiprant/ACT-129968)](/images/research/d743d32f-3115-48ff-9697-2f2d56130701/small/14175.jpg)
research Verification of the Major Metabolic Oxidation Path for the Naphthoyl Group in Chemoattractant Receptor-Homologous Molecule Expressed on Th2 Cells (CRTh2) Antagonist 2-(2-(1-Naphthoyl)-8-fluoro-3,4-dihydro-1H-pyrido[4,3-b]indol-5(2H)-yl)acetic Acid (Setipiprant/ACT-129968)
The document confirms the structures of major metabolites of the CRTh2 antagonist Setipiprant and identifies minor metabolites.
research Synthesis and structure–activity investigation of iodinated arylhydantoins and arylthiohydantoins for development as androgen receptor radioligands
Scientists created iodinated arylhydantoins and arylthiohydantoins that could potentially be used for imaging prostate cancer. Some versions with specific side-chains showed high potential for this use.
research Development and validation of a reversed-phase HPLC method for simultaneous determination of doxazosin mesylate and finasteride
Created method to measure doxazosin mesylate and finasteride together.
research Standardization, Validation, and Application of a Rapid and Reliable HPLC-UV Method for the Determination of Minoxidil and Minoxidil Oxothiazolidinecarboxylate in Hair Growth Products
A reliable method was developed to ensure hair growth products have the right amount of active ingredients.