Tag: 100-200

On October 26, 2021, Duan, Wenhu; Shen, Xu; Wang, Wei; Wang, Jiaying; Cao, Sufen; Lv, Jianlu; Xu, Xu published a patent.Application In Synthesis of Methyl 2-(3-formylphenyl)acetate The title of the patent was Preparation of compounds with AMPK agonistic activity and prodrugs thereof and their application in medicine. And the patent contained the following:

The invention discloses the preparation method of the compounds with AMPK agonistic activity with general formula I, [wherein X = H or halogen; M = N or CH, R1 = substituted or unsubstituted 6-10 membered aryl, substituted or unsubstituted 3-10 membered heteroaryl containing 1-3 heteroatoms selected from N, O and S; R2 = hydroxyl, carboxyl, substituted or unsubstituted C1-C6 alkyl, substituted or unsubstituted 6-10 membered aryl and substituted or unsubstituted 3-10 membered heteroaryl containing 1-3 heteroatoms selected from N, O and S], which has the advantages of preparing and treating diseases related to abnormal energy metabolism, neurodegenerative diseases and inflammation related diseases; cardiovascular and cerebrovascular diseases, tumor drug. For example, 2-(3-(7-chloro-6-(4-(1- hydroxycyclobutyl) phenyl)-2-oxo-1,2- dihydroquinoline-3-yl) phenyl) acetic acid was prepared via Suzuki-coupling with 1-(4- bromophenyl) cyclobutanol and bis(pinacolato)diboron, hydrolysis of di-Et isophthalate, followed by acylation with 2-amino-5-bromo-4-chlorobenzaldehyde, followed by Knoevenagel reaction, followed by Suzuki coupling with 1-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl] cyclobutanol, and followed by hydrolysis. The compounds with AMPK agonistic activity can be used as therapeutic agents for diseases related to abnormal energy metabolism, neurodegenerative diseases, neurol. and mitochondrial dysfunction and disorder diseases, inflammation related diseases, cardiovascular and cerebrovascular diseases and tumors. The experimental process involved the reaction of Methyl 2-(3-formylphenyl)acetate(cas: 142327-44-4).Application In Synthesis of Methyl 2-(3-formylphenyl)acetate

The Article related to ampk agonist quinoline condensation suzuki coupling hydrolysis human, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.Application In Synthesis of Methyl 2-(3-formylphenyl)acetate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Shakam, Huda M.; Mohamed, Abeer A.; Salem, Mohamed Z. M. published an article in 2022, the title of the article was Down-regulatory effect of essential oils on fungal growth and Tri4 gene expression for some Fusarium oxysporum strains: GC-MS analysis of essential oils.SDS of cas: 85-91-6 And the article contains the following content:

The objectives of this work were to evaluate the efficacy of Eucalyptus camaldulensis green branches (GB) and Origanum majorana whole plant (WP) essential oils (EOs) on Tri4 gene expression and Fusarium oxysporum strains growth In vitro. Five strains of Fusarium oxysporum were identified molecularly through polymerase chain reaction (PCR) amplification of the internal transcript spacer (ITS) region. The efficacy of the EOs from Eucalyptus camaldulensis GB and Origanum majorana WP on Tri4 gene expression and F. oxysporum strains growth were evaluated In vitro. GC-MS anal. of the EOs referred that 1,8-cineole, and spathulenol were presented in E. camaldulensis GB, while in O. majorana WP were tricyclene, and p-cymene as abundant compounds E. camaldulensis and O. majorana EOs showed MIC of 32-64 mug/mL and 32 mug/mL, resp. E. camaldulensis EO was more suppressive against all the F. oxysporum strains. Both EOs reduced Tri4 gene expression significantly compared with control. qRT-PCR results revealed a down-regulation in Tri4 gene expression of all of F. oxysporum strains exposed to both EOs at the MIC values. The results suggest that both EOs can be used as safe and green bio-pesticide. The experimental process involved the reaction of Methyl N-Methylanthranilate(cas: 85-91-6).SDS of cas: 85-91-6

The Article related to fusarium oxysporum tri4 gene expression fungal growth essential oil, Plant Biochemistry: Photosynthesis (Algae, Bacteria, and Green Plants) and other aspects.SDS of cas: 85-91-6

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

On December 1, 2005, Epple, Robert; Russo, Ross; Azimioara, Mihai; Xie, Yongping published a patent.Safety of Methyl 2-(3-formylphenyl)acetate The title of the patent was Isoxazole compounds as PPAR modulators, their preparation, pharmaceutical compositions, and use in therapy. And the patent contained the following:

The invention relates to isoxazole compounds of formula I, which are modulators of peroxisome proliferator-activated receptors (PPAR), particularly PPARδ. In compounds I, R1 is selected from (un)substituted C1-6 alkyl, (un)substituted C3-12 cycloalkyl, (un)substituted C3-8 heterocyclyl, (un)substituted C6-10 aryl, and (un)substituted C5-10 heteroaryl; R2 is selected from (CH2)nO(CH2)nOR5, (CH2)nOR5, CO2R5, C(O)N(R4)2, C(O)N(R4)(CH2)nOR4, CO2(CH2)nOR5, C(O)(CH2)nOR5, C(O)N(R4)(CH2)nOR5, C(O)N(R4)(R5), and C(O)N(R4)(CH2)nR5, where n is 0-4, R4 is H or C1-6 alkyl, and R5 is C1-6 alkyl, C3-12 cycloalkyl, C3-8 heterocyclyl, C6-10 aryl, or C5-10 heteroaryl, or R4 and R5, together with the nitrogen atom to which they are attached, form C3-8 heterocyclyl or C5-10 heteroaryl; and R3 is selected from (un)substituted C3-12 cycloalkyl, (un)substituted C3-8 heterocyclyl, (un)substituted C6-10 aryl, and (un)substituted C5-10 heteroaryl; including pharmaceutically acceptable salts, hydrates, solvates, isomers, and prodrugs thereof. The invention also relates to the preparation of I, pharmaceutical compositions comprising a therapeutically effective amount of compound I in combination with one or more pharmaceutically acceptable excipients, as well as to the use of the compositions to treat or prevent diseases or disorders associated with PPAR activity. Esterification of 3-bromophenylacetic acid followed by coupling with cyanide, reduction of the nitrile to an aldehyde, condensation with hydroxylamine, and chlorination gave chlorooxime II. N-Boc-2-bromoethylamine was substituted with 2,4-dichlorophenol followed by deprotection, amidation with Et benzoylacetate to give benzoylacetamide III, which underwent cyclocondensation with chlorooxime II and ester hydrolysis, resulting in the formation of isoxazole IV. Most preferred compounds of the invention express an EC50 value for PPARδ of less than 100 nM. The compounds of the invention are at least 100-fold selective for PPARδ over PPARγ. The experimental process involved the reaction of Methyl 2-(3-formylphenyl)acetate(cas: 142327-44-4).Safety of Methyl 2-(3-formylphenyl)acetate

The Article related to isoxazole preparation selective ppar delta modulator, Heterocyclic Compounds (More Than One Hetero Atom): Oxazoles, Isoxazoles and other aspects.Safety of Methyl 2-(3-formylphenyl)acetate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

On September 27, 2022, Koelsch, Jonas C.; Berac, Christian M.; Lossada, Francisco; Stach, Oliver S.; Seiffert, Sebastian; Walther, Andreas; Besenius, Pol published an article.Computed Properties of 123-25-1 The title of the article was Recyclable Vitrimers from Biogenic Poly(itaconate) Elastomers. And the article contained the following:

We report a biobased vitrimer prepolymer that is synthesized from renewable itaconic acid and platform chems. The polyitaconate vinyl prepolymers are transferred into transesterification-based vitrimer materials after a curing step with two different cross-linkers. Bifunctional lactone cross-linkers enable faster curing kinetics compared to linear diesters at the same catalyst loading and reaction temperature The rheol. properties of the obtained vitrimer materials are easily controlled by the amount and nature of the cross-linker, and by the loading of the guanidine organocatalyst for transesterification. An increase in catalyst content leads to shorter relaxation times and lower apparent activation energies of the transesterification reactions. The materials show elastomeric properties and can easily be recycled. Up to this point, sustainable vitrimers were largely limited to epoxy-based networks. Herein, we describe a multifunctional and sustainable vinyl monomer-based prepolymer system that can be integrated into polymers using facile free radical polymerization, whose vitrimer network properties can be conveniently adjusted. The experimental process involved the reaction of Diethyl succinate(cas: 123-25-1).Computed Properties of 123-25-1

The Article related to recyclable vitrimer biogenic polyitaconate elastomer, Synthetic Elastomers and Natural Rubber: Physical Properties and Testing and other aspects.Computed Properties of 123-25-1

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Yu, Eric; Mangunuru, Hari P. R.; Telang, Nakul S.; Kong, Caleb J.; Verghese, Jenson; Gilliland, Stanley E. III; Ahmad, Saeed; Dominey, Raymond N.; Gupton, B. Frank published an article in 2018, the title of the article was High-yielding continuous-flow synthesis of antimalarial drug hydroxychloroquine.Synthetic Route of 517-23-7 And the article contains the following content:

Numerous synthetic methods for the continuous preparation of fine chems. and active pharmaceutical ingredients (API’s) have been reported in recent years resulting in a dramatic improvement in process efficiencies. Herein authors report a highly efficient continuous synthesis of the antimalarial drug hydroxychloroquine (HCQ). Key improvements in the new process include the elimination of protecting groups with an overall yield improvement of 52% over the current com. process. The continuous process employs a combination of packed bed reactors with continuous stirred tank reactors for the direct conversion of the starting materials to the product. This high-yielding, multigram-scale continuous synthesis provides an opportunity to achieve increase global access to hydroxychloroquine for treatment of malaria. The experimental process involved the reaction of 3-Acetyldihydrofuran-2(3H)-one(cas: 517-23-7).Synthetic Route of 517-23-7

The Article related to hydroxychloroquine antimalarial drug continuous flow preparation, api manufacturing, antimalarial, flow chemistry, hydrogenation, hydroiodic acid, hydroxychloroquine, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.Synthetic Route of 517-23-7

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

On August 7, 2020, Zhang, Yunfei; Sim, Jae Hun; MacMillan, Samantha N.; Lambert, Tristan H. published an article.Application of 85-91-6 The title of the article was Synthesis of 1,2-Dihydroquinolines via Hydrazine-Catalyzed Ring-Closing Carbonyl-Olefin Metathesis. And the article contained the following:

The synthesis of 1,2-dihydroquinolines by the hydrazine-catalyzed ring-closing carbonyl-olefin metathesis (RCCOM) of N-prenylated 2-aminobenzaldehydes is reported. Substrates with a variety of substitution patterns are shown. With an acid-labile protecting group on the nitrogen atom, in situ deprotection and autoxidation furnish quinoline. In comparison with related oxygen-containing substrates, the cycloaddition step of the catalytic cycle is shown to be slower, but the cycloreversion is found to be more facile. The experimental process involved the reaction of Methyl N-Methylanthranilate(cas: 85-91-6).Application of 85-91-6

The Article related to alkenylaminobenzaldehyde ring closure carbonyl olefin metathesis hydrazine, dihydroquinoline preparation, hydrazine ring closing carbonyl olefin metathesis catalyst, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.Application of 85-91-6

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

On April 22, 1992, Kulagowski, Janusz J.; Rowley, Michael; Leeson, Paul D.; Mawer, Ian Michael published a patent.Recommanded Product: Methyl 2-(3-formylphenyl)acetate The title of the patent was Preparation of 3-aryl-4-hydroxy-2-quinolones as NMDA and AMPA antagonists. And the patent contained the following:

Title compounds (I; R1-R6 = H, hydrocarbyl, heterocyclyl, halo, cyano, CF3, NO2, OR7, SR7, SOR7, SO2R7, SO2NR7R8, NR7R8, etc.; R1R2 = atoms to form a hetero- or carbocycle; R7, R8 = H, hydrocarbyl, heterocyclyl), were prepared Thus, 3-methoxyphenylacetyl chloride and Me 2-amino-4-chlorobenzoate were refluxed 18 h in CH2Cl2 to give Me 4-chloro-3-(3-methoxyphenyl)acetamidobenzoate. The latter was stirred with KN(SiMe3)2 in THF/PhMe to give title compound II. All I prepared displaced 3H-trans-3-carboxy-5,7-dichloro-4-(phenylaminocarbonylamino)-1,2,3,4-tetrahydroquinoline from strychnine-insensitive sites of NMDA receptors in rat forebrain membranes with IC50 < 50 μM. Dosage forms were prepared containing several specific I. The experimental process involved the reaction of Methyl 2-(3-formylphenyl)acetate(cas: 142327-44-4).Recommanded Product: Methyl 2-(3-formylphenyl)acetate

The Article related to arylhydroxyquinolone preparation nmda antagonist, ampa antagonist arylhydroxyquinolone antagonist, quinolone arylhydroxy arylhydroxyquinolone antagonist, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.Recommanded Product: Methyl 2-(3-formylphenyl)acetate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

On July 20, 2016, Wei, Ping; Gao, Jia-Xin; Zheng, Gao-Wei; Wu, Hong; Zong, Min-Hua; Lou, Wen-Yong published an article.HPLC of Formula: 3976-69-0 The title of the article was Engineering of a novel carbonyl reductase with coenzyme regeneration in E. coli for efficient biosynthesis of enantiopure chiral alcohols. And the article contained the following:

The novel anti-Prelog stereospecific carbonyl reductase from Acetobacter sp. CCTCC M209061 was successfully expressed in E. coli combined with glucose dehydrogenase (GDH) to construct an efficient whole-cell biocatalyst with coenzyme NADH regeneration. The enzymic activity of GAcCR (AcCR with a GST tag) reached 304.9 U/g-dcw, even 9 folds higher than that of wild strain, and the activity of GDH for NADH regeneration recorded 46.0 U/mg-protein in the recombinant E. coli. As a whole-cell biocatalyst, the recombinant E. coli BL21(DE3)pLysS (pETDuet-gaccr-gdh) possessed a broad substrate spectrum for kinds of carbonyl compounds with encouraging yield and stereoselectivity. Besides, the asym. reduction of Et 4-chloroacetoacetate (COBE) to optically pure Et 4-chloro-3-hydroxybutyrate (CHBE) catalyzed by the whole-cell biocatalyst was systematically investigated. Under the optimal reaction conditions, the optical purity of CHBE was over 99% e.e. for (S)-enantiomer, and the initial rate and product yield reached 8.04 μmol/min and 99.4%, resp. Moreover, the space-time yield was almost 20 folds higher than that catalyzed by the wild strain. Therefore, a new, high efficiency biocatalyst for asym. reductions was constructed successfully, and the enantioselective reduction of prochiral compounds using the biocatalyst was a promising approach for obtaining enantiopure chiral alcs. The experimental process involved the reaction of (R)-Methyl 3-hydroxybutanoate(cas: 3976-69-0).HPLC of Formula: 3976-69-0

The Article related to carbonyl reductase biosynthesis enantiopure chiral alc, (s)-chbe, acetobacter sp, asymmetric reduction, chiral alcohols, gaccr, whole-cell biocatalysis, Fermentation and Bioindustrial Chemistry: Methods (Including Analysis) and other aspects.HPLC of Formula: 3976-69-0

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

On May 17, 2013, Halim, Rosliana; Aurelio, Luigi; Scammells, Peter J.; Flynn, Bernard L. published an article.Related Products of 707-07-3 The title of the article was Scaffold-Divergent Synthesis of Ring-Fused Indoles, Quinolines, and Quinolones via Iodonium-Induced Reaction Cascades. And the article contained the following:

N-(2-Iodophenyl)imines are readily formed from Schiff’s base condensation of 2-iodoanilines with carbonyls and ketals. These imines provide useful substrates in scaffold-divergent synthesis through the attachment of an alkyne (Sonogashira coupling or acyl substitution of a Weinreb amide) followed by an iodonium-induced reaction cascade to give ring-fused indoles, quinolines, or quinolones depending on the reaction conditions employed. The experimental process involved the reaction of (Trimethoxymethyl)benzene(cas: 707-07-3).Related Products of 707-07-3

The Article related to iodophenylimine alkyne sonogashira coupling weinreb amide substitution cyclization, scaffold divergent synthesis ring fused indole quinoline quinolone, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.Related Products of 707-07-3

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

On August 31, 2012, Xu, Shao-hong published an article.Quality Control of Ethyl indolizine-1-carboxylate The title of the article was Iron-catalysed C-3 functionalization of indolizines via C-H bond cleavage. And the article contained the following:

The synthesis of 3,3′-(arylmethylene)diindolizine with a FeCl3.6H2O catalyst was achieved with excellent efficiency at room temperature Various indolizines were prepared by the reaction with either aromatic or aliphatic aldehydes to produce di- or triheteroarylmethanes. The experimental process involved the reaction of Ethyl indolizine-1-carboxylate(cas: 93476-46-1).Quality Control of Ethyl indolizine-1-carboxylate

The Article related to indolizine aldehyde electrophilic substitution carbon hydrogen bond cleavage, arylmethylene diindolizine preparation iron catalyst, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.Quality Control of Ethyl indolizine-1-carboxylate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics