Month: November 2022

Mao, Qi published the artcileIdentification of Novel 1-O-Substituted Aporphine Analogues as Potent 5-HT2C Receptor Agonists, Synthetic Route of 32345-60-1, the main research area is serotonin 5HT2C receptor 5HT2B receptor 5HT2A receptor agonist aporphine; 5-HT2A receptor; 5-HT2B receptor; 5-HT2C receptor; Serotonin; agonist; aporphine.

The 5-HT2C receptor has emerged as a promising target in the treatment of a variety of central nervous system disorders. We have first identified aporphines as a new class of 5-HT2C receptor agonists. Structure-activity relationship results indicate that the aporphine core may be required for 5-HT2C receptor activity, and substitutions at its C1 position are important for 5-HT2C receptor activity. Our efforts to optimize our hit 15781 lead to the identification of the highly potent and selective 5-HT2C agonist 18b (MQ02-439) with an EC50 value of 104 nM and weak antagonism at the 5-HT2A and 5-HT2B receptors. The findings may serve as good starting points for the development of more potent and selective 5-HT2C agonists as valuable pharmacol. tools or potential drug candidates.

ACS Chemical Neuroscience published new progress about 5-HT2A antagonists. 32345-60-1 belongs to class chlorides-buliding-blocks, name is (S)-Methyl 2-(2-chlorophenyl)-2-hydroxyacetate, and the molecular formula is C9H9ClO3, Synthetic Route of 32345-60-1.

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Klavetter, Floyd L. published the artcilePhotoluminescence and electroluminescence of transparent polyphenylene derivatives, Formula: C9H8Cl2O2, the main research area is photoluminescence electroluminescence polyphenylene derivative LED device.

Blue and violet luminescence is reported of a series of polyphenylene (PPP) derivatives containing “”waxy”” side chains. While the luminescence is red-shifted by the electron-donating amino group directly bonded to the PPP chain, the length of the side-chain in these PPP derivatives does not seem to significantly shift the photoluminescence. Investigation is underway into the effect of side-chain polarity upon electroluminescence in LED devices.

Polymeric Materials Science and Engineering published new progress about Electroluminescence. 35112-27-7 belongs to class chlorides-buliding-blocks, name is Ethyl 2,5-dichlorobenzoate, and the molecular formula is C9H8Cl2O2, Formula: C9H8Cl2O2.

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Reed, Nilgun Isik published the artcileExploring N-Arylsulfonyl-L-proline Scaffold as a Platform for Potent and Selective αvβ1 Integrin Inhibitors, Application of 4-Fluoro-2-methylbenzene-1-sulfonyl chloride, the main research area is arylsulfonylproline scaffold preparation alphavbeta1 integrin inhibitor structure activity antifibrotic; RGF mimetic preparation alphavbeta1 integrin inhibitor structure activity antifibrotic; Fibrosis; TGFβ; integrin antagonist; phenylsulfonylproline; αvβ1 integrin.

One small mol. inhibitor of αvβ1 integrin, RGD mimetic c8, shows antifibrotic effects in multiple in vivo mouse models. Here the authors synthesized c8 analogs and systematically investigate their structure-activity relationships (SAR) in αvβ1 integrin inhibition. N-Phenylsulfonyl-L-homoproline analogs of c8 maintained excellent potency against αvβ1 integrin while retaining good selectivity over other RGD integrins. In addition, 2-aminopyridine or cyclic guanidine analogs were shown to be equally potent to c8. A rigid Ph linker increased the potency compared to c8, but the selectivity over other RGD integrins diminished. These results can provide further insights on design of αvβ1 integrin inhibitors as antifibrotics.

ACS Medicinal Chemistry Letters published new progress about Antifibrotic agents. 7079-48-3 belongs to class chlorides-buliding-blocks, name is 4-Fluoro-2-methylbenzene-1-sulfonyl chloride, and the molecular formula is C7H6ClFO2S, Application of 4-Fluoro-2-methylbenzene-1-sulfonyl chloride.

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Evans, Karen A. published the artcileAmino acid anthranilamide derivatives as a new class of glycogen phosphorylase inhibitors, Synthetic Route of 3032-32-4, the main research area is amino acid anthranilamide preparation glycogen phosphorylase inhibitor SAR.

A series of amino acid anthranilamide derivatives identified from a high-throughput screening campaign as novel, potent, and glucose-sensitive inhibitors of human liver glycogen phosphorylase a are described. A solid-phase synthesis using Wang resin was also developed which provided efficient access to a variety of analogs, and resulted in the identification of key structure-activity relationships, and the discovery of the potent exemplar I (IC50 = 80 nM). The SAR scope, synthetic strategy, and in vitro results for this series are presented herein.

Bioorganic & Medicinal Chemistry Letters published new progress about Antidiabetic agents. 3032-32-4 belongs to class chlorides-buliding-blocks, name is 2-Amino-3,6-dichlorobenzoic acid, and the molecular formula is C7H5Cl2NO2, Synthetic Route of 3032-32-4.

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Cox, Jason M. published the artcileDesign, Synthesis, and Evaluation of Novel and Selective G-protein Coupled Receptor 120 (GPR120) Spirocyclic Agonists, Recommanded Product: 2-Bromo-1-chloro-4-(trifluoromethoxy)benzene, the main research area is preparation GPR120 spirocyclic agonist diabetes; FFAR4; GPR120; insulin sensitization; spirocyclic; type 2 diabetes.

Type 2 diabetes mellitus (T2DM) is an ever increasing worldwide epidemic, and the identification of safe and effective insulin sensitizers, absent of weight gain, has been a long-standing goal of diabetes research. G-protein coupled receptor 120 (GPR120) has recently emerged as a potential therapeutic target for treating T2DM. Natural occurring, and more recently, synthetic agonists have been associated with insulin sensitizing, anti-inflammatory, and fat metabolism effects. Herein we describe the design, synthesis, and evaluation of a novel spirocyclic GPR120 agonist series, which culminated in the discovery of potent and selective agonist 14. Furthermore, compound 14 was evaluated in vivo and demonstrated acute glucose lowering in an oral glucose tolerance test (oGTT), as well as improvements in homeostatic measurement assessment of insulin resistance (HOMA-IR; a surrogate marker for insulin sensitization) and an increase in glucose infusion rate (GIR) during a hyperinsulinemic euglycemic clamp in diet-induced obese (DIO) mice.

ACS Medicinal Chemistry Letters published new progress about Antidiabetic agents. 468075-00-5 belongs to class chlorides-buliding-blocks, name is 2-Bromo-1-chloro-4-(trifluoromethoxy)benzene, and the molecular formula is C7H3BrClF3O, Recommanded Product: 2-Bromo-1-chloro-4-(trifluoromethoxy)benzene.

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Desai, Ranjit C. published the artcile5-Aryl thiazolidine-2,4-diones: discovery of PPAR dual α/γ agonists as antidiabetic agents, Category: chlorides-buliding-blocks, the main research area is thiazolidinedione derivative preparation structure activity peroxisome proliferator receptor antidiabetic.

A novel series of 5-aryl thiazolidine-2,4-diones based dual PPARα/γ agonists was identified. A number of highly potent and orally bioavailable analogs were synthesized. Efficacy study results of some of these analogs in the db/db mice model of type 2 diabetes showed them superior to rosiglitazone in correcting hyperglycemia and hypertriglyceridemia.

Bioorganic & Medicinal Chemistry Letters published new progress about Antidiabetic agents. 61343-99-5 belongs to class chlorides-buliding-blocks, name is 4-(4-Chlorophenoxy)benzaldehyde, and the molecular formula is C13H9ClO2, Category: chlorides-buliding-blocks.

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Zhu, Junjie published the artcileDesign, synthesis, and structure-activity relationships of 3,4,5-trisubstituted 4,5-dihydro-1,2,4-oxadiazoles as TGR5 agonists in the treatment of type 2 diabetes mellitus and other metabolic disorders, COA of Formula: C8H4ClF3O, the main research area is dihydro oxadiazole preparation TGR5 agonist treatment diabetes metabolic disorder.

Given its role in the mediation of energy and glucose homeostasis, the G-protein-coupled bile acid receptor 1 (TGR5) is considered a potential target for the treatment of type 2 diabetes mellitus and other metabolic disorders. By thorough anal. of diverse structures of published TGR5 agonists, a hypothetical ligand-based pharmacophore model was built, and a new class of potent TGR5 agonists, based on the novel 3,4,5-trisubstituted 4,5-dihydro-1,2,4-oxadiazole core, was discovered by rational design. Three distinct synthetic methods for constructing 4,5-dihydro-1,2,4-oxadiazoles, e.g., I, and extensive structure-activity relationship studies are reported herein. Compound I, the structure of which was determined by single-crystal X-ray diffraction and quantum chem. solid-state TDDFT-ECD calculations, showed the best potency, with an EC50 value of 1.4 nM toward hTGR5. Its favorable properties in vitro warrant further investigation.

ChemMedChem published new progress about Antidiabetic agents. 93118-03-7 belongs to class chlorides-buliding-blocks, name is 2-Chloro-3-(trifluoromethyl)benzaldehyde, and the molecular formula is C8H4ClF3O, COA of Formula: C8H4ClF3O.

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Li, Qing published the artcileRapid generation of novel benzoic acid-based xanthine derivatives as highly potent, selective and long acting DPP-4 inhibitors: scaffold-hopping and prodrug study, Computed Properties of 99585-12-3, the main research area is diabetes antidiabetes DPP 4 benzoic acid xanthine prodrug pharmacokinetics; Benzoic acid; DPP-4 inhibitor; Prodrug; Scaffold-hopping; Xanthine derivatives.

A series of novel xanthine derivatives 2a-l incorporating benzoic acid moieties were rapidly generated by using strategy of scaffold-hopping from our previously reported scaffold uracil to xanthine, a scaffold of approved drug linagliptin. After systematic structure-activity relationship (SAR) study around benzoic acid moieties, 5 novel DPP-4 inhibitors with low picomolar potency range (IC50 < 1 nM) and excellent selectivity against various DPP-4 homologues were identified, in which the best one, compound 2f(I), with the IC50 value of 0.1 nM for DPP-4, showed 22-fold improvement in inhibitory activity compared to lead compound uracil 1, its activity was 45-fold more potent than alogliptin. 2E, I, 2i(II) and 2k were selected for pharmacokinetic evaluation, and I and II showed the better pharmacokinetic profiles after iv administration, but poor oral bioavailability. To improve the oral pharmacokinetic profile, prodrug design approach was performed around I and II. Esters of I and II were synthesized and evaluated for stability, toxicity and pharmacokinetics. Compound 3e(III), the Me ester of compound I, was identified to demonstrate good stability, low toxicity and improved oral bioavailability, with 3-fold higher blood concentration compared to I in rats. The following in vivo evaluations revealed III provided a sustained pharmacodynamics effect for 48h, and robustly improved glucose tolerance in normal ICR and db/db mice in dose-dependent manner. Chronic treatments investigations demonstrated that III achieved more beneficial effects on fasting blood glucose levels and glucose tolerance than alogliptin in type 2 diabetic db/db mice. The overall results have shown that compound III has the potential to efficacious, safety and long-acting treatment for T2DM. European Journal of Medicinal Chemistry published new progress about Antidiabetic agents. 99585-12-3 belongs to class chlorides-buliding-blocks, name is Methyl 4-chloro-2-methylbenzoate, and the molecular formula is C9H9ClO2, Computed Properties of 99585-12-3.

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Aswathanarayanappa, Chandrashekar published the artcileSynthesis, invitro and invivo anti-hyperglycemic activity of 1,2,4-triazolebenzylidene and 1,3,4-thiadiazole derivatives, Safety of Methyl 4-chloro-2-methylbenzoate, the main research area is benzylideneamino triazolethiol diastereoselective preparation antihyperglycemic antioxidant SAR; aminotriazolethiol aryl aldehyde; triazolothiadiazole preparation antihyperglycemic antioxidant SAR; aryl carboxylic acid aminotriazolethiol cyclocondensation.

New series of 1,2,4-triazole based Schiff bases I [R1 = H, 2-F, 4-OH, etc.] and 1,3,4-thiadiazole derivatives II [R2 = 2-Br-4-F, 2,6-CH3, 3-Br-5-I, etc.] were synthesized by utilizing 4-amino-5-(4-chloro-2-methylphenyl)-4H-1,2,4-triazole-3-thiol as active intermediate and evaluated for invitro anti-hyperglycemic activity by α-glucosidase enzyme inhibition and invivo by streptozotocin(STZ) and nicotinamide induced T2DM rat model. The compounds I [R1 = H, 2-F, 3-F, 2,5-OH, 4-OH, 4-OCH3] which showed potential DPPH radical scavenging activity with a level of inhibition ranging between 70% and 90% were considered for anti-hyperglycemic activity. The structure activity relationship studies revealed that the compounds I [R1 = 4-OH, 2,5-OH] showed good antioxidant property.

International Journal of PharmTech Research published new progress about Antidiabetic agents. 99585-12-3 belongs to class chlorides-buliding-blocks, name is Methyl 4-chloro-2-methylbenzoate, and the molecular formula is C9H9ClO2, Safety of Methyl 4-chloro-2-methylbenzoate.

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Mayr, Stefanie published the artcileSize-Driven Inversion of Selectivity in Esterification Reactions: Secondary Beat Primary Alcohols, Category: chlorides-buliding-blocks, the main research area is secondary primary alc acylation anhydride esterification selectivity MSPR.

Relative rates for the Lewis base-mediated acylation of secondary and primary alcs. carrying large aromatic side chains with anhydrides differing in size and electronic structure have been measured. While primary alcs. react faster than secondary ones in transformations with monosubstituted benzoic anhydride derivatives, relative reactivities are inverted in reactions with sterically biased 1-naphthyl anhydrides. Further anal. of reaction rates shows that increasing substrate size leads to an actual acceleration of the acylation process, the effect being larger for secondary as compared to primary alcs. Computational results indicate that acylation rates are guided by noncovalent interactions (NCIs) between the catalyst ring system and the DED substituents in the alc. and anhydride reactants. Thereby stronger NCIs are formed for secondary alcs. than for primary alcs.

Journal of Organic Chemistry published new progress about Activation enthalpy. 36428-96-3 belongs to class chlorides-buliding-blocks, name is Pyrene-2-carboxylic acid, and the molecular formula is C17H10O2, Category: chlorides-buliding-blocks.

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics