![The Synthesis of (−)-4-Methyl-8-Chloro-Trans-1,2,3,4,4a,5,6,10b-Octahydrobenzo-[f]-Quinolin-3-One-[3-14C] (LY300502-14C) via a Circuitous Route](/images/research/73bab8dc-bdf0-45e3-8ef7-73d0d4b93cb1/small/21074.jpg)
research The synthesis of (−)-4-methyl-8-chloro-trans-1,2,3,4,4a,5,6,10b-octahydrobenzo-[f]-quinolin-3-one-[3-14C] (LY300502-14C]) via a circuitous route
Scientists made a carbon-14 labeled version of a drug with a 48% yield and over 99% purity.
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60-90 / 1000+ results ![Benzo[c]quinolizin-3-ones: A Novel Class of Potent and Selective Nonsteroidal Inhibitors of Human Steroid 5α-Reductase 1](/images/research/ff6e6cbe-cb9c-4d11-87ef-671d28ffd4fa/small/15506.jpg)
research Benzo[c]quinolizin-3-ones: A Novel Class of Potent and Selective Nonsteroidal Inhibitors of Human Steroid 5α-Reductase 1
Benzo[c]quinolizin-3-ones are effective nonsteroidal inhibitors of human steroid 5α-reductase 1.
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 Action of Nucleophilic Reagents on Hair Keratin
Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
research A new catalyst for organic synthesis: mercuric triflate
Mercuric triflate is an effective catalyst for various organic reactions, working well at room temperature with high yields.
research The Pharma Market as Reflected by Patents
The document shows the state of pharmaceutical patents as of 1999, focusing on treatments for various diseases.
![Synthesis and 5α-Reductase Inhibitory Activity of 8-Substituted Benzo[ƒ]Quinolinones Derived from Palladium Mediated Coupling Reactions](/images/research/2aedba8c-b0ac-4fa3-9ac7-9f375a016bba/small/15581.jpg)
research Synthesis and 5α-reductase inhibitory activity of 8-substituted benzo[ƒ]quinolinones derived from palladium mediated coupling reactions
Some newly made compounds can block an enzyme linked to hair loss and prostate growth, with one in particular being very selective.
research 510 Enhancing hair follicle growth: investigating the synergistic effects of ursolic and shikimic acid through in vitro testing on dermal papilla cells
Ursolic and shikimic acid together boost hair growth better than alone.
research 3a-Phenylhexahydropentalene-1,6-dione
A rigid compound with a common structural motif was successfully synthesized.
research 4-(Alkylthio)- and 4-(arylthio)-benzonitrile derivatives as androgen receptor antagonists for the topical suppression of sebum production
Chemicals called 4-(alkylthio)- and 4-(arylthio)-benzonitrile derivatives can potentially reduce oil production on skin, which could help treat conditions like acne and hair loss.
research Novel 5α-Reductase Inhibitors: Synthesis, Structure−Activity Studies, and Pharmacokinetic Profile of Phenoxybenzoylphenyl Acetic Acids
A brominated phenoxy compound effectively inhibits a human enzyme and shows potential for clinical use.
research Reaction of Finasteride Intermediate with Benzeneseleninic Anhydride: An In-Depth Study
Impure benzeneseleninic anhydride samples cause lower finasteride intermediate yields.
research Chemical modification of keratin fibers using 2‐iminothiorane hydrochloride
2-iminothiorane hydrochloride improves hair waving permanence without damage.
research Identification of xenobiotics interfering with 5 α -reductase (SRD5A2) activity
MK-0773 is a moderate inhibitor of the SRD5A2 enzyme.
research Structure optimization of tetrahydropyridoindole-based aldose reductase inhibitors improved their efficacy and selectivity
Optimizing the structure of a specific compound greatly improved its effectiveness and precision for treating diabetic complications.
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.
research Facile One-Pot Synthesis of Substituted Hydantoins from Carbamates
Scientists in India found a safer and efficient way to make a type of medicine called hydantoins from carbamates, which also worked well in making the seizure medicine, Ethotoin.
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 Reactive keratin derivatives: A promising strategy for covalent binding to hair
Modified keratin binds better to hair, especially bleached hair.
![Benzo[c]quinolizin-3-ones Theoretical Investigation: SAR Analysis and Application to Untested Compounds](/images/research/6712367a-949f-47c7-a756-2bfe6316fc69/small/15331.jpg)
research Benzo[c]quinolizin-3-ones Theoretical Investigation: SAR Analysis and Application to Nontested Compounds
The research found a link between certain molecular features and the biological activity of BC3, which can help identify or create new active compounds.
![Effect of C-Ring Modifications in Benzo[c]quinolizin-3-ones, New Selective Inhibitors of Human 5α-Reductase 1](/images/research/c687900f-ea40-4de1-8f0b-a5b818951b1c/small/15452.jpg)
research Effect of C-ring modifications in benzo[c]quinolizin-3-ones, new selective inhibitors of human 5α-reductase 1
Changing the C-ring structure in certain compounds can make them better at blocking a specific human enzyme.
research Solubilization and Solid‐State Characterization of a Poorly Soluble 5‐α Reductase Inhibitor
GI197111X is best dissolved in Capmul MCM for trials.
research Human hair-derived keratin: Extraction and comparative assessment
The Shindai method effectively extracts keratin from human hair, with potential uses in bioplastics and biofertilizers.
research Effects of chemical structures of polycarboxylic acids on molecular and performance manipulation of hair keratin
A non-toxic formula using polycarboxylic acids strengthens and improves hair.
research Preparation of 4-aryl-2-trifluoromethylbenzonitrile derivatives as androgen receptor antagonists for topical suppression of sebum production
Scientists made a chemical (compound 4e) that can be applied on skin to reduce oil production, which can help with acne, but it might cause skin sensitivity to light.
research 3,3-Diphenylpentane skeleton as a steroid skeleton substitute: Novel inhibitors of human 5α-reductase 1
A new compound effectively inhibits human 5α-reductase 1.
research Breaking the “rule-of-five” to access Bridged Bicyclic Heteroaromatic Bioisosteres
A new method creates valuable compounds for drug discovery by breaking traditional chemical rules.
![Synthesis and Activity of 8-Substituted Benzo[c]quinolizin-3-ones as Dual Inhibitors of Human 5α-Reductases 1 and 2](/images/research/efc54340-66d6-4f27-9930-045ac023f903/small/15248.jpg)
research Synthesis and activity of 8-substituted benzo[c]quinolizin-3-ones as dual inhibitors of human 5α-reductases 1 and 2
New compounds were made that effectively block enzymes related to prostate issues and hair loss.
![Synthesis of Spiro[cyclohexane-1,2'-[2H]indene] Derivatives as Inhibitors of Steroid 5α-Reductase](/images/research/d91300a7-4d66-4d2c-90ac-293b0dbc5ff5/small/21048.jpg)
research Synthesis of Spiro[cyclohexane-1,2?-[2H]indene] derivatives as inhibitors of steroid 5?-reductase
Compound 15a was effective in inhibiting 5α-reductase.
research Molecular docking simulation studies on potent butyrylcholinesterase inhibitors obtained from microbial transformation of dihydrotestosterone
Metabolite 7 is a strong inhibitor for Alzheimer's disease management.