Category: chlorides-buliding-blocks

Xu, Peng published the artcileSite-Selective Late-Stage Aromatic [¹⁸F]Fluorination via Aryl Sulfonium Salts, Synthetic Route of 637-07-0, the publication is Angewandte Chemie, International Edition (2020), 59(5), 1956-1960, database is CAplus and MEDLINE.

Site-selective functionalization of C-H bonds in small complex mols. is a long-standing challenge in organic chem. Herein, the authors report a broadly applicable and site-selective aromatic C-H dibenzothiophenylation reaction. The conceptual advantage of this transformation is further demonstrated through the two-step C-H [¹⁸F]fluorination of a series of marketed small-mol. drugs.

Angewandte Chemie, International Edition published new progress about 637-07-0. 637-07-0 belongs to chlorides-buliding-blocks, auxiliary class Inhibitor,Cell Cycle,PPAR, name is Ethyl 2-(4-chlorophenoxy)-2-methylpropanoate, and the molecular formula is C10H9NO4S, Synthetic Route of 637-07-0.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Hong, Xiangsheng published the artcileRisks to aquatic environments posed by 14 pharmaceuticals as illustrated by their effects on zebrafish behaviour, HPLC of Formula: 637-07-0, the publication is Science of the Total Environment (2021), 145450, database is CAplus and MEDLINE.

The presence of pharmaceutical residues in aquatic ecosystems is a worldwide problem that may pose serious threats and challenges to the environment, especially to the safety of aquatic biota. In the present study, we investigated the effects of 14 environmentally relevant pharmaceutical compounds on individual and collective-related behaviors in juvenile zebrafish (Danio rerio) for 21 days. The tested concentrations of the compounds spanned three orders of magnitude. This study also compared the potential risks of these compounds in Chinese surface waters based on the data on their toxic effects or only on behavioral effects. In the case of individual behaviors, most antidepressants, but not anti-inflammatory agents or blood lipid-lowering agents, decreased fish locomotor activity (LMA) and individual social activity (IDS); however, all three classes of compounds induced significant disruptions in the light/dark transition locomotor response (LMR-L/D) performance, even at lower treatment levels (0.1-1μg/L). Furthermore, collective behavior (CLB) anal. suggested that most of the compounds significantly altered the group sociability of fish and frequently occurred at environmentally relevant concentrations Finally, a risk assessment suggested that the presence of ibuprofen, fluoxetine, and venlafaxine in the surface waters of China poses a relatively high risk to fish, regardless of the risk ranking based on the data of the toxic or behavioral effects.

Science of the Total Environment published new progress about 637-07-0. 637-07-0 belongs to chlorides-buliding-blocks, auxiliary class Inhibitor,Cell Cycle,PPAR, name is Ethyl 2-(4-chlorophenoxy)-2-methylpropanoate, and the molecular formula is C12H15ClO3, HPLC of Formula: 637-07-0.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Wang, Dungai published the artcileMetal- and base-free reductive coupling reaction of P(O)-H with aryl/alkyl sulfonyl chlorides: a novel protocol for the construction of P-S-C bonds, Recommanded Product: ((1S,4R)-7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonyl chloride, the publication is Organic & Biomolecular Chemistry (2017), 15(3), 545-549, database is CAplus and MEDLINE.

Novel and efficient synthesis of S-aryl/alkyl phosphinothioates from P(O)-H and aryl/alkyl sulfonyl chlorides under metal- and base-free conditions is described. This reaction provides an alternative strategy for the construction of P-S-C bonds in moderate to excellent yields. Moreover, this method can be readily applied to gram-scale preparation

Organic & Biomolecular Chemistry published new progress about 21286-54-4. 21286-54-4 belongs to chlorides-buliding-blocks, auxiliary class Chiral,Chloride,Sulfonyl chlorides,Aliphatic cyclic hydrocarbon,Ketone, name is ((1S,4R)-7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonyl chloride, and the molecular formula is C2H2N4O2, Recommanded Product: ((1S,4R)-7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonyl chloride.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Chen, Jianping published the artcileIridium-Catalyzed Synthesis of Diaryl Ethers by Means of Chemoselective C-F Bond Activation and the Formation of B-F Bonds, Category: chlorides-buliding-blocks, the publication is Chemistry – An Asian Journal (2015), 10(2), 468-473, database is CAplus and MEDLINE.

Transition-metal-catalyzed C-F activation, in comparison with C-H activation, is more difficult to achieve and therefore less fully understood, mainly because carbon-fluorine bonds are the strongest known single bonds to carbon and have been very difficult to cleave. Transition-metal complexes are often more effective at cleaving stronger bonds, such as C(sp²)-X vs. C(sp³)-X. Here, the iridium-catalyzed C-F activation of fluorarenes was achieved through the use of bis(pinacolato)diboron with the formation of the B-F bond and self-coupling. This strategy provides a convenient method with which to convert fluoride aromatic compounds into sym. diaryl ether compounds Moreover, the chemoselective products of the C-F bond cleavage were obtained at high yields with the C-Br and C-Cl bonds remaining.

Chemistry – An Asian Journal published new progress about 350-30-1. 350-30-1 belongs to chlorides-buliding-blocks, auxiliary class Fluoride,Chloride,Nitro Compound,Benzene, name is 3-Chloro-4-fluoronitrobenzene, and the molecular formula is C6H3ClFNO2, Category: chlorides-buliding-blocks.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Wang, Shuai published the artcileDevelopment of Highly Potent, Selective, and Cellular Active Triazolo[1,5-a]pyrimidine-Based Inhibitors Targeting the DCN1-UBC12 Protein-Protein Interaction, HPLC of Formula: 939-99-1, the publication is Journal of Medicinal Chemistry (2019), 62(5), 2772-2797, database is CAplus and MEDLINE.

The cullin-RING ubiquitin ligases (CRLs) are responsible for about 20% of cellular protein degradation and regulate diverse cellular processes, and the dysfunction of CRLs is implicated in human diseases. Targeting the CRLs has become an emerging strategy for the treatment of human diseases. Herein, we describe the discovery of a hit compound from our inhouse library and further structure-based optimizations, which have enabled the identification of new triazolo[1,5-a]pyrimidine-based inhibitors targeting the DCN1-UBC12 interaction. Compound WS-383 blocks the DCN1-UBC12 interaction (IC₅₀ = 11 nM) reversibly and shows selectivity over selected kinases. WS-383 exhibits cellular target engagement to DCN1 in MGC-803 cells. WS-383 inhibits Cul3/1 neddylation selectively over other cullins and also induces accumulation of p21, p27, and NRF2. Collectively, targeting the DCN1-UBC12 interaction would be a viable strategy for selective neddylation inhibition of Cul3/1 and may be of therapeutic potential for disease treatment in which Cul3/1 is dysregulated.

Journal of Medicinal Chemistry published new progress about 939-99-1. 939-99-1 belongs to chlorides-buliding-blocks, auxiliary class Fluoride,Chloride,Benzyl chloride,Benzene, name is 1-(Chloromethyl)-4-(trifluoromethyl)benzene, and the molecular formula is C15H16O3, HPLC of Formula: 939-99-1.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Zhu, Jingyi published the artcile^99mTc-Labeled Polyethylenimine-Entrapped Gold Nanoparticles with pH-Responsive Charge Conversion Property for Enhanced Dual Mode SPECT/CT Imaging of Cancer Cells, Application In Synthesis of 6249-56-5, the publication is Langmuir (2019), 35(41), 13405-13412, database is CAplus and MEDLINE.

Development of tumor dual mode contrast agents is still a great challenge due to the relative low accumulation at tumor site, which result in the poor imaging efficiency. In this study, we constructed functional technetium-99m (^99mTc) labeled polyethylenimine (PEI)-entrapped gold nanoparticles (Au PENs) with pH-responsive charge conversion property for enhanced single photon emission computed tomog. (SPECT)/computed tomog. (CT) dual mode imaging of cancer cells. PEI with amine functional groups (PEI.NH₂) was successively modified with monomethyl ether and carboxyl functionalized polyethylene glycol (mPEG-COOH), maleimide and succinimidyl valerate functionalized PEG (MAL-PEG-SVA), diethylenetriaminepentaacetic dianhydride (DTPA), and fluorescein isothiocyanate (FI), and used to entrapped gold nanoparticles inside, followed by conjugation with the alkoxyphenyl acylsulfonamide (APAS) through the PEG maleimide, acetylation of the PEI leftover surface amines and ^99mTc labeling. The created nanosystem with the mean Au core diameter of 3.3 nm and with a narrow size distribution displays an excellent colloidal stability and desired cytocompatibility in the investigated Au concentration range. Due to the fact that the attached APAS moieties are responsive to pH, the functionalized Au PENs with a neutral surface charge can switch to be pos. charged under slightly acidic pH condition, which could improve the cellular uptake by cancer cells. With these properties, the developed functionalized Au PENs could achieve enhanced dual mode SPECT/CT imaging of cancer cells in vitro. The constructed PEI-based nanodevices may be adopted as an excellent dual mode contrast agent for SPECT/CT imaging of cancer cells of different types.

Langmuir published new progress about 6249-56-5. 6249-56-5 belongs to chlorides-buliding-blocks, auxiliary class Phase Transfer Catalyst,Inhibitor,Natural product, name is 3-Carboxy-N,N,N-trimethylpropan-1-aminium chloride, and the molecular formula is C4H6O3, Application In Synthesis of 6249-56-5.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Guo, Ke-Liang published the artcileDesign, Synthesis, and Bioevaluation of Substituted Phenyl Isoxazole Analogues as Herbicide Safeners, Computed Properties of 3919-74-2, the publication is Journal of Agricultural and Food Chemistry (2020), 68(39), 10550-10559, database is CAplus and MEDLINE.

Herbicide safeners enhance herbicide detoxification in crops without affecting target weed sensitivity. To enhance crop tolerance to the toxicity-related stress caused by the herbicide acetochlor (ACT), a new class of substituted Ph isoxazole derivatives was designed by an intermediate derivatization method as herbicide safeners. Microwave-assisted synthesis was used to prepare the Ph isoxazole analogs, and all of the structures were confirmed via IR, ¹H NMR, ¹³C NMR, and HRMS. Compound (I) was further characterized by X-ray diffraction anal. Bioassay results showed that most of the obtained compounds provided varying degrees of safening against ACT-induced injury by increasing the corn growth recovery, glutathione content, and glutathione S-transferase activity. In particular, compound (II) showed excellent safener activity against ACT toxicity, comparable to that of the com. safener benoxacor. Gaussian calculations have been performed and the results indicated that the nucleophilic ability of compound II is higher than that of benoxacor, thus the activity is higher than that of benoxacor. These findings demonstrate that Ph isoxazole derivatives possess great potential for protective management in corn fields.

Journal of Agricultural and Food Chemistry published new progress about 3919-74-2. 3919-74-2 belongs to chlorides-buliding-blocks, auxiliary class Isoxazole,Fluoride,Chloride,Carboxylic acid,Benzene, name is 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic acid, and the molecular formula is C11H7ClFNO3, Computed Properties of 3919-74-2.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Wang, Zi-Wei published the artcileFragments recombination, design, synthesis, safener activity and CoMFA model of novel substituted dichloroacetylphenyl sulfonamide derivatives, Formula: C11H7ClFNO3, the publication is Pest Management Science (2021), 77(4), 1724-1738, database is CAplus and MEDLINE.

Isoxaflutole (IXF), as a kind of 4-hydroxyphenylpyruvate dioxygenase (HPPD) inhibitor, has been widely used in many kinds of plants. IXF can cause injury in corn including leaf and stem bleaching, plant height reduction or stunting, and reduced crop stand. Safeners are co-applied with herbicides to protect crops without compromising weed control efficacy. With the ultimate goal of addressing Zea mays injury caused by IXF, a series of novel substituted dichloroacetylphenyl sulfonamide derivatives was designed on the basis of scaffold hopping and active substructure splicing. A total of 35 compounds were synthesized via acylation reactions. All the compounds were characterized by IR (IR), proton and carbon-13 NMR (¹H-NMR and ¹³C-NMR), and high-resolution mass spectrometry (HRMS). The configuration of compound II-1 was confirmed by single crystal X-ray diffraction. The bioassay results showed that all the title compounds displayed remarkable protection against IXF via improved content of carotenoid. Especially compound II-1 which possessed better glutathione transferases (GSTs) activity and carotenoid content than the contrast safener cyprosulfamide (CSA). All the satisfied parameters suggested that the Comparative Mol. Field Anal. (CoMFA) model was reliable and stable [with a cross-validated coefficient (q²) = 0.527, r² = 0.995, r²_pred = 0.931]. The mol. docking simulation indicated that the compound II-1 and CSA could compete with diketonitrile (DKN) at the active site of HPPD, which is a hydrolyzed product of IXF in plants, causing the herbicide to be ineffective. The present work revealed that the compound II-1 deserves further attention as the candidate structure of safeners.

Pest Management Science published new progress about 3919-74-2. 3919-74-2 belongs to chlorides-buliding-blocks, auxiliary class Isoxazole,Fluoride,Chloride,Carboxylic acid,Benzene, name is 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic acid, and the molecular formula is C22H18O2, Formula: C11H7ClFNO3.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Baez, Jose E. published the artcileSynthesis of Poly(methylene-b-ε-caprolactone) and Poly(ε-caprolactone) with Linear Alkyl End Groups: Synthesis, Characterization, Phase Behavior, and Compatibilization Efficacy, Quality Control of 23616-79-7, the publication is Industrial & Engineering Chemistry Research (2017), 56(37), 10366-10383, database is CAplus.

Diblock copolymers of poly(methylene-b-ε-caprolactone) (PM-b-PCL) were synthesized in two steps: (a) polyhomologation, to obtain following oxidative cleavage of the carbon-boron, (PM, block1), an α-hydroxyl-ω-Me polymethylene (PMOH, CH3-[CH2]m-OH). Following transfer reaction to the ring-opening polymerization catalyst and (b) ring-opening polymerization (ROP) of ε-caprolactone (CL) (PCL, block2). In addition, a series of homopolymers derived from poly(ε-caprolactone) (PCL) oligoesters containing an end group of docosyl (CH3-[CH2]21- or C22) (C22-PCL) were obtained as a model to compare their phys. properties by DSC with those of PM-b-PCL. The oligomers derived from PM-b-PCL and C22-PCL were characterized by 1H and 13C NMR, AFM, DSC, GPC and MALDI-TOF. PM-b-PCL and C22-PCL were evaluated as compatibilizers for PE/PCL polymer blends. Identification and anal. of optimized blocks of PM-b-PCL by POM and SEM showed improved mixing of PE/PCL blends.

Industrial & Engineering Chemistry Research published new progress about 23616-79-7. 23616-79-7 belongs to chlorides-buliding-blocks, auxiliary class Phase Transfer Catalyst, name is N-Benzyl-N,N-dibutylbutan-1-aminium chloride, and the molecular formula is C19H34ClN, Quality Control of 23616-79-7.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Baez, Jose E. published the artcileSynthesis of Poly(methylene-b-ε-caprolactone) and Poly(ε-caprolactone) with Linear Alkyl End Groups: Synthesis, Characterization, Phase Behavior, and Compatibilization Efficacy, Computed Properties of 5034-06-0, the publication is Industrial & Engineering Chemistry Research (2017), 56(37), 10366-10383, database is CAplus.

Diblock copolymers of poly(methylene-b-ε-caprolactone) (PM-b-PCL) were synthesized in two steps: (a) polyhomologation, to obtain following oxidative cleavage of the carbon-boron, (PM, block1), an α-hydroxyl-ω-Me polymethylene (PMOH, CH3-[CH2]m-OH). Following transfer reaction to the ring-opening polymerization catalyst and (b) ring-opening polymerization (ROP) of ε-caprolactone (CL) (PCL, block2). In addition, a series of homopolymers derived from poly(ε-caprolactone) (PCL) oligoesters containing an end group of docosyl (CH3-[CH2]21- or C22) (C22-PCL) were obtained as a model to compare their phys. properties by DSC with those of PM-b-PCL. The oligomers derived from PM-b-PCL and C22-PCL were characterized by 1H and 13C NMR, AFM, DSC, GPC and MALDI-TOF. PM-b-PCL and C22-PCL were evaluated as compatibilizers for PE/PCL polymer blends. Identification and anal. of optimized blocks of PM-b-PCL by POM and SEM showed improved mixing of PE/PCL blends.

Industrial & Engineering Chemistry Research published new progress about 5034-06-0. 5034-06-0 belongs to chlorides-buliding-blocks, auxiliary class Salt,Aliphatic hydrocarbon chain, name is trimethyloxosulphonium chloride, and the molecular formula is C3H9ClOS, Computed Properties of 5034-06-0.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics