Tag: 100-200

On June 26, 1980, Schalke, Peter; Kleemann, Axel published a patent.Synthetic Route of 452-75-5 The title of the patent was Substituted acetonitriles. And the patent contained the following:

Aryl- or heteroarylacetonitriles were prepared by the reaction of methylarenes or -heteroarenes with ClCN in the gas phase at 550-850°; the reactants were injected sep. into the reactor at a temperature somewhat below the reaction temperature, and the reaction mixture was cooled immediately after leaving the reactor. Thus, 3-methylpyridine and ClCN were injected sep. into a reactor at 550°, and the mixture was heated to 680°, followed by treatment with aqueous NaOH to give 75% 3-pyridineacetonitrile of 98-9% purity. The experimental process involved the reaction of 4-Chloro-2-fluorotoluene(cas: 452-75-5).Synthetic Route of 452-75-5

The Article related to areneacetonitrile, heteroareneacetonitrile, acetonitrile aryl heteroaryl, Heterocyclic Compounds (One Hetero Atom): Pyridines and other aspects.Synthetic Route of 452-75-5

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

On May 24, 2000, there was a patent about piperidine aryloxymethyl preparation.Related Products of 452-75-5 The title of the patent was 4-[Aryl(aryloxy)methyl]piperidine derivatives and their use as serotonin and/or noradrenaline reuptake inhibitors. And the patent contained the following:

Title compounds I [R1, R2 = unsubstituted aryl or aryl mono- or polysubstituted with halogen (fluorine, chlorine, bromine, iodine), alkyl, alkoxy, cyano, trifluoromethoxy, trifluoromethyl, benzoyl, Ph, nitro, amino, aminoalkyl, aminoaryl and carbonylamino] are prepared Thus, 16.33 mmol tert-Bu 4-[(4-fluorophenyl)hydroxymethyl]-1-piperidinecarboxylate and 1.9 g 4-fluorophenol in 50 mL THF was treated with 5.0 g Ph3P, a DEAD solution (3.45 mL) in 10 mL THF was added, and after 3 h the product (I, R1 = R2 = 4-fluorophenyl) was isolated as the hydrochloride in 70% yield. Several optically active derivatives were also prepared The experimental process involved the reaction of 4-Chloro-2-fluorotoluene(cas: 452-75-5).Related Products of 452-75-5

The Article related to piperidine aryloxymethyl preparation, Heterocyclic Compounds (One Hetero Atom): Pyridines and other aspects.Related Products of 452-75-5

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

On February 28, 2007, Juhl, Martin; Sotofte, Inger published an article.Quality Control of trimethyloxosulphonium chloride The title of the article was rac-(1S,6S)-Methyl 6-methyl-2-oxobicyclo[4.1.0]heptane-1-carboxylate. And the article contained the following:

The crystal structure of the title compound, C10H14O3, was studied as part of a study of the chem. of nucleophilic 1,4-additions to highly electrophilic C=C double bonds. Crystallog. data are given. The cyclohexane ring adopts a half-chair conformation. The crystal packing is stabilized by van der Waals forces. The experimental process involved the reaction of trimethyloxosulphonium chloride(cas: 5034-06-0).Quality Control of trimethyloxosulphonium chloride

The Article related to mol structure methyl oxobicycloheptanecarboxylate, crystal structure methyl oxobicycloheptanecarboxylate, Crystallography and Liquid Crystals: Crystal Structure and other aspects.Quality Control of trimethyloxosulphonium chloride

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

On June 30, 1993, Tyrakowska, Bozena; Boeren, Sjef; Geurtsen, Bart; Rietjens, Ivonne M. C. M. published an article.HPLC of Formula: 38939-88-7 The title of the article was Qualitative and quantitative influences of ortho chlorine substituents on the microsomal metabolism of 4-toluidines. And the article contained the following:

The influence of ortho chlorine substituents on 4-toluidine (I) rat liver microsomal metabolism was investigated with 4-toluidine, 2-chloro-4-toluidine, and 2,6-dichloro-4-toluidine as substrates. Microsomal metabolic products were identified and quantified by HPLC, chem. assays, and synthesized reference compounds Metabolites identified include products from aromatic ring hydroxylation, side-chain C-hydroxylation (benzyl alcs. and benzaldehydes), N-hydroxylation (hydroxylamines, nitrosotoluenes, azoxy, azo, and hydrazo derivatives), and two new types of microsomal metabolites: secondary amines [i.e. (halogenated) N-(4′-aminobenzyl)-4-toluidines] and an imine [i.e. N-(4′-amino-3′,5′-dichlorobenzylidene)-2,6-dichloro-4-toluidine]. The secondary amine appeared to be a major microsomal metabolite for all three 4-toluidines studied. Quantification of the metabolite patterns demonstrated several influences of the chlorine substituents on metabolism of the 4-toluidine derivatives The total conversion increased significantly in the order: 4-toluidine < 2-chloro-4-toluidine < 2,6-dichloro-4-toluidine, especially because of a marked increase in microsomal side-chain C-hydroxylation with increasing number of ortho chlorine substituents. The rate of N-hydroxylation varied much less. Aromatic ring hydroxylation was observed to a significant extent only for nonchlorinated 4-toluidine. Addnl. data from microsomal binding studies and MO calculations provided insight in possible mechanisms underlying the observed changes in metabolic profiles with increasing number of chlorine substituents at an ortho position with respect to the amine group. The experimental process involved the reaction of 2-Chloro-4-methyl-1-nitrobenzene(cas: 38939-88-7).HPLC of Formula: 38939-88-7

The Article related to chlorinate toluidine metabolism liver, Toxicology: Chemicals (Household, Industrial, General) and other aspects.HPLC of Formula: 38939-88-7

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

On September 19, 2014, Yamazoe, Sayumi; McQuade, Lindsey E.; Chen, James K. published an article.Recommanded Product: Methyl 6-chloro-6-oxohexanoate The title of the article was Nitroreductase-Activatable Morpholino Oligonucleotides for in Vivo Gene Silencing. And the article contained the following:

Phosphorodiamidate morpholino oligonucleotides are widely used to interrogate gene function in whole organisms, and light-activatable derivatives can reveal spatial and temporal differences in gene activity. The authors describe here a new class of caged morpholino oligonucleotides that can be activated by the bacterial nitroreductase NfsB. The authors characterize the activation kinetics of these reagents in vitro and demonstrate their efficacy in zebrafish embryos that express NfsB either ubiquitously or in defined cell populations. In combination with transgenic organisms, such enzyme-actuated antisense tools will enable gene silencing in specific cell types, including tissues that are not amenable to optical targeting. The experimental process involved the reaction of Methyl 6-chloro-6-oxohexanoate(cas: 35444-44-1).Recommanded Product: Methyl 6-chloro-6-oxohexanoate

The Article related to nitroreductase activatable caged morpholino oligonucleotide preparation gene silencing, ntla mnx1 pdx1 gene silencing nitroreductase caged morpholino oligonucleotide, Biochemical Genetics: Genetic Engineering and Cloning and other aspects.Recommanded Product: Methyl 6-chloro-6-oxohexanoate

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

On December 2, 2019, Chen, Junyi; Li, Cong; Hong, Hanyu; Liu, Hui; Wang, Chunhong; Xu, Mengxin; Han, Yuxiang; Liu, Zhibo published an article.Reference of Methyl 6-chloro-6-oxohexanoate The title of the article was Side Chain Optimization Remarkably Enhances the in Vivo Stability of 18F-Labeled Glutamine for Tumor Imaging. And the article contained the following:

Similar to glycolysis, glutaminolysis acts as a vital energy source in tumor cells, providing building blocks for the metabolic needs of tumor cells. To capture glutaminolysis in tumors, 18F-(2S,4R)4-fluoroglutamine ([18F]FGln) and 18F-fluoroboronoglutamine ([18F]FBQ) have been successfully developed for positron emission tomog. (PET) imaging, but these two mols. lack stability, resulting in undesired yet significant bone uptake. In this study, we found that [18F]FBQ-C2 is a stable Gln PET tracer by adding two more methylene groups to the side chain of [18F]FBQ. [18F]FBQ-C2 was synthesized with a good radiochem. yield of 35% and over 98% radiochem. purity. [18F]FBQ-C2 showed extreme stability in vitro, and no defluorination was observed after 2 h in phosphate buffered saline at 37°C. The competitive inhibition assay results indicated that [18F]FBQ-C2 enters cells via the system ASC and N, similar to natural glutamine, and can be transported by tumor-overexpressed ASCT2. PET imaging and biodistribution results indicated that [18F]FBQ-C2 is stable in vivo with low bone uptake (0.81 ± 0.20% ID/g) and can be cleared rapidly from most tissues. Dynamic scan and pharmacokinetic studies using BGC823-xenograft-bearing mice revealed that [18F]FBQ-C2 accumulates specifically in tumors, with a longer half-life (101.18 ± 6.50 min) in tumor tissues than in other tissues (52.70 ± 12.44 min in muscle). Biodistribution exhibits a high tumor-to-normal tissue ratio (4.8 ± 1.7 for the muscle, 2.5 ± 1.0 for the stomach, 2.2 ± 0.9 for the liver, and 17.8 ± 8.4 for the brain). In conclusion, [18F]FBQ-C2 can be used to perform high-contrast Gln imaging of tumors and can serve as a PET tracer for clin. research. The experimental process involved the reaction of Methyl 6-chloro-6-oxohexanoate(cas: 35444-44-1).Reference of Methyl 6-chloro-6-oxohexanoate

The Article related to fluorine 18 glutamine preparation stability tumor pet imaging, boramino acid, glutamine, in vivo stability, positron emission tomography, Radiation Biochemistry: Disease Diagnosis and Therapy and other aspects.Reference of Methyl 6-chloro-6-oxohexanoate

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

Tabero, Andrea; Garcia-Garrido, Fernando; Prieto-Castaneda, Alejandro; Palao, Eduardo; Agarrabeitia, Antonia R.; Garcia-Moreno, Inmaculada; Villanueva, Angeles; de la Moya, Santiago; Ortiz, Maria J. published an article in 2020, the title of the article was BODIPYs revealing lipid droplets as valuable targets for photodynamic theragnosis.Category: chlorides-buliding-blocks And the article contains the following content:

Endowing BODIPY PDT agents with the ability to probe lipid droplets is demonstrated to boost their phototoxicity, allowing the efficient use of highly fluorescent dyes (poor ROS sensitizers) as phototoxic agents. Conversely, this fact opens the way to the development of highly bright ROS photosensitizers for performing photodynamic theragnosis (fluorescence bioimaging and photodynamic therapy) from a single simple agent. On the other hand, the noticeable capability of some of the reported dyes to probe lipid droplets in different cell lines under different conditions reveals their use as privileged probes for advancing the study of interesting lipid droplets by fluorescence microscopy. The experimental process involved the reaction of Methyl 6-chloro-6-oxohexanoate(cas: 35444-44-1).Category: chlorides-buliding-blocks

The Article related to bodipy lipid droplet target pdt photosensitize imaging, Radiation Biochemistry: Disease Diagnosis and Therapy and other aspects.Category: chlorides-buliding-blocks

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

On March 13, 2014, Lazerwith, Scott E.; Lew, Willard; Zhang, Jennifer; Morganelli, Philip; Liu, Qi; Canales, Eda; Clarke, Michael O.; Doerffler, Edward; Byun, Daniel; Mertzman, Michael; Ye, Hong; Chong, Lee; Xu, Lianhong; Appleby, Todd; Chen, Xiaowu; Fenaux, Martijn; Hashash, Ahmad; Leavitt, Stephanie A.; Mabery, Eric; Matles, Mike; Mwangi, Judy W.; Tian, Yang; Lee, Yu-Jen; Zhang, Jingyu; Zhu, Christine; Murray, Bernard P.; Watkins, William J. published an article.Category: chlorides-buliding-blocks The title of the article was Discovery of GS-9669, a Thumb Site II Non-Nucleoside Inhibitor of NS5B for the Treatment of Genotype 1 Chronic Hepatitis C Infection. And the article contained the following:

Investigation of thiophene-2-carboxylic acid HCV NS5B site II inhibitors, guided by measurement of cell culture medium binding, revealed the structure-activity relationships for intrinsic cellular potency. The pharmacokinetic profile was enhanced through incorporation of heterocyclic ethers on the N-alkyl substituent. Hydroxyl groups were incorporated to modulate protein binding. Intrinsic potency was further improved through enantiospecific introduction of an olefin in the N-acyl motif, resulting in the discovery of the phase 2 clin. candidate GS-9669. The unexpected activity of this compound against the clin. relevant NS5B M423T mutant, relative to the wild type, was shown to arise from both the N-alkyl substituent and the N-acyl group. The experimental process involved the reaction of trimethyloxosulphonium chloride(cas: 5034-06-0).Category: chlorides-buliding-blocks

The Article related to gs9669 clin candidate synthesis hepatitis c infection treatment, Heterocyclic Compounds (One Hetero Atom): Thiophenes and other aspects.Category: chlorides-buliding-blocks

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

On May 8, 2020, Han, Sheng; Sang, Yali; Wu, Yan; Tao, Yuan; Pannecouque, Christophe; De Clercq, Erik; Zhuang, Chunlin; Chen, Fen-Er published an article.Product Details of 89-77-0 The title of the article was Molecular Hybridization-Inspired Optimization of Diarylbenzopyrimidines as HIV-1 Nonnucleoside Reverse Transcriptase Inhibitors with Improved Activity against K103N and E138K Mutants and Pharmacokinetic Profiles. And the article contained the following:

Mol. hybridization is a powerful strategy in drug discovery. A series of novel diarylbenzopyrimidine (DABP) analogs were developed by the hybridization of FDA-approved drugs etravirine (ETR) and efavirenz (EFV) as potential HIV-1 nonnucleoside reverse transcriptase inhibitors (NNRTIs). Substituent modifications resulted in the identification of new DABPs with the combination of the strengths of the two drugs, especially compound 12d, which showed promising activity toward the EFV-resistant K103N mutant. 12d also had a favorable pharmacokinetic (PK) profile with liver microsome clearances of 14.4μL/min/mg (human) and 33.2μL/min/mg (rat) and an oral bioavailability of 15.5% in rat. However, its activity against the E138K mutant was still unsatisfactory; E138K is the most prevalent NNRTI resistance-associated mutant in ETR treatment. Further optimizations resulted in a highly potent compound (12z) with no substituents on the Ph ring and a 2-methyl-6-nitro substitution pattern on the 4-cyanovinyl-2,6-disubstituted Ph motif. The antiviral activity of this compound was much higher than those of ETR and EFV against the WT, E138K, and K103N variants (EC50 = 3.4, 4.3, and 3.6 nM, resp.), and the cytotoxicity was decreased while the selectivity index (SI) was increased. In particular, this compound exhibited acceptable intrinsic liver microsome stability (human, 34.5μL/min/mg; rat, 33.2μL/min/mg) and maintained the good PK profile of its parent compound EFV and showed an oral bioavailability of 16.5% in rat. Mol. docking and structure-activity relationship (SAR) anal. provided further insights into the binding of the DABPs with HIV-1 reverse transcriptase and provided a deeper understanding of the key structural features responsible for their interactions. The experimental process involved the reaction of 2-Amino-4-chlorobenzoic acid(cas: 89-77-0).Product Details of 89-77-0

The Article related to mol hybridization diarylbenzopyrimidine hiv1 reverse transcriptase nnrti pk, hiv-1, nnrti, pk, diarylbenzopyrimidines, molecular hybridization, reverse transcriptase, Pharmacology: Effects Of Antimicrobials and Parasiticides and other aspects.Product Details of 89-77-0

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

Sone, Toshihiko; Yamaguchi, Akitake; Matsunaga, Shigeki; Shibasaki, Masakatsu published an article in 2012, the title of the article was Enantioselective synthesis of 2,2-disubstituted terminal epoxides via catalytic asymmetric Corey-Chaykovsky epoxidation of ketones.Related Products of 5034-06-0 And the article contains the following content:

Catalytic asym. Corey-Chaykovsky epoxidation of various ketones RCOR1 (R = Ph, 1-naphthyl, n-octyl, etc., R1 = Me; R = Ph, 4-ClC6H4, 3-pyridyl, etc., R1 = ET, n-Pr, CHMe2) with dimethyloxosulfonium methylide using a heterobimetallic La-Li3-BINOL complex (LLB) is described. The reaction proceeded smoothly at room temperature in the presence of achiral phosphine oxide additives, and 2,2-disubstituted terminal epoxides I were obtained in high enantioselectivity (97%-91% ee) and yield (>99%-88%) from a broad range of Me ketones with 1-5 mol% catalyst loading. Enantioselectivity was strongly dependent on the steric hindrance, and other ketones, such as Et ketones and Pr ketones resulted in slightly lower enantioselectivity (88%-67% ee). The experimental process involved the reaction of trimethyloxosulphonium chloride(cas: 5034-06-0).Related Products of 5034-06-0

The Article related to enantioselective synthesis terminal epoxide asym corey chaykovsky epoxidation ketone, epoxide enantioselective synthesis corey chaykovsky epoxidation ketone, Heterocyclic Compounds (One Hetero Atom): Ethylene Oxides and other aspects.Related Products of 5034-06-0

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