Author: Jessica.F

Rozhon, Wilfried; Wang, Wuyan; Berthiller, Franz; Mayerhofer, Juliane; Chen, Tingting; Petutschnig, Elena; Sieberer, Tobias; Poppenberger, Brigitte; Jonak, Claudia published an article in 2014, the title of the article was Bikinin-like inhibitors targeting GSK3/Shaggy-like kinases: characterisation of novel compounds and elucidation of their catabolism in planta.Category: chlorides-buliding-blocks And the article contains the following content:

Background: Plant GSK-3/Shaggy-like kinases are key players in brassinosteroid (BR) signalling which impact on plant development and participate in response to wounding, pathogens and salt stress. Bikinin was previously identified in a chem. genetics screen as an inhibitor targeting these kinases. To dissect the structural elements crucial for inhibition of GSK-3/Shaggy-like kinases by bikinin and to isolate more potent compounds we synthesized a number of related substances and tested their inhibitory activity in vitro and in vivo using Arabidopsis thaliana. Results: A pyridine ring with an amido succinic acid residue in position 2 and a halogen in position 5 were crucial for inhibitory activity. The compound with an iodine substituent in position 5, denoted iodobikinin, was most active in inhibiting BIN2 activity in vitro and efficiently induced brassinosteroid-like responses in vivo. Its Me ester, methyliodobikinin, showed improved cell permeability, making it highly potent in vivo although it had lower activity in vitro. HPLC anal. revealed that the Me residue was rapidly cleaved off in planta liberating active iodobikinin. In addition, we provide evidence that iodobikinin and bikinin are inactivated in planta by conjugation with glutamic acid or malic acid and that the latter process is catalyzed by the malate transferase SNG1. Conclusion: Brassinosteroids participate in regulation of many aspects of plant development and in responses to environmental cues. Thus compounds modulating their action are valuable tools to study such processes and may be an interesting opportunity to modify plant growth and performance in horticulture and agronomy. Here we report the development of bikinin derivatives with increased potency that can activate BR signalling and mimic BR action. Methyliodobikinin was 3.4 times more active in vivo than bikinin. The main reason for the superior activity of methyliodobikinin, the most potent compound, is its enhanced plant tissue permeability. Inactivation of bikinin and its derivatives in planta involves SNG1, which constitutes a novel pathway for modification of xenobiotic compounds The experimental process involved the reaction of Methyl 6-chloro-6-oxohexanoate(cas: 35444-44-1).Category: chlorides-buliding-blocks

The Article related to arabidopsis iodobikinin bikinin sng1 catabolism malate transferase, Plant Biochemistry: Other and other aspects.Category: chlorides-buliding-blocks

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

Shen, Yi; Sun, Yufeng; Sang, Zhipei; Sun, Chengjun; Dai, Ya; Deng, Yong published an article in 2012, the title of the article was Synthesis, characterization, antibacterial and antifungal evaluation of novel monosaccharide esters.Formula: C11H19ClO2 And the article contains the following content:

A novel series of 3-(2-furyl)acrylate monosaccharide esters and menthyloxycarbonyl monosaccharide esters were designed and synthesized. The target compounds were investigated for their in-vitro antibacterial and antifungal activities. The 3-(2-furyl)acrylate monosaccharides were either inactive or only weakly active against Gram-pos. bacteria, whereas the menthyloxycarbonyl monosaccharides exhibited higher levels of activity, with the xyloside being especially potent. In the antifungal screening some compounds of both series displayed potent in vitro activities, whereas xylosides of both series showed promising activities against all of the microorganisms tested, with the 3-(2-furyl)acrylate derivative exhibiting levels of activity deserving of further investigation. The experimental process involved the reaction of (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl carbonochloridate(cas: 14602-86-9).Formula: C11H19ClO2

The Article related to furylacrylate monosaccharide ester preparation antibacterial antifungal, menthyloxycarbonyl monosaccharide ester preparation antibacterial antifungal, Carbohydrates: Glycosides and other aspects.Formula: C11H19ClO2

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

On July 16, 1980, Carle, Joergen S.; Christophersen, Carsten published an article.Quality Control of trimethyloxosulphonium chloride The title of the article was Dogger Bank itch. The allergen is (2-hydroxyethyl)dimethylsulfoxonium ion. And the article contained the following:

The causative agent of Dogger Bank Itch, an allergic contact dermatitis caused by exposure to Alcyonidium gelatinosum, was characterized and synthesized. This allergen is (2-hydroxyethyl)dimethylsulfoxonium ion. The experimental process involved the reaction of trimethyloxosulphonium chloride(cas: 5034-06-0).Quality Control of trimethyloxosulphonium chloride

The Article related to allergen dimethylhydroxyethylsulfoxonium preparation property, alcyonidium allergen property, Immunochemistry: Chemistry and other aspects.Quality Control of trimethyloxosulphonium chloride

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

On July 7, 2005, Ward, Brian W.; Ornitz, David M.; Deines, Michael G.; Bittick, Thomas F. published a patent.Recommanded Product: 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride The title of the patent was Tracer reagents that enhance reaction-product analysis. And the patent contained the following:

A composition suitable for formulation of an enzymic reaction mixture, the composition comprising a reaction component essential for an ex-vivo non-polymerase enzymic reaction in which a substrate is catalyzed by an enzyme in a reaction mixture to form a product, and a tracer compatible with the enzyme, the composition being substantially free of the substrate. The experimental process involved the reaction of 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride(cas: 4569-86-2).Recommanded Product: 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride

The Article related to tracer reagent reaction product analysis, Biochemical Genetics: Methods and other aspects.Recommanded Product: 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride

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

On December 14, 2016, Li, Jinbo; Huang, Lei; Xiao, Xiao; Chen, Yingjie; Wang, Xingxing; Zhou, Zhengquan; Zhang, Chenyu; Zhang, Yan published an article.Computed Properties of 35444-44-1 The title of the article was Photoclickable MicroRNA for the Intracellular Target Identification of MicroRNAs. And the article contained the following:

MicroRNAs (miRNAs) are important gene regulators that bind with target genes and repress target gene expression at post-transcriptional level. The identification of target genes associated with miRNAs inside different cells is of major challenge in miRNA chem.-biol. due to lack of functional miRNAs bearing appropriate tags. Here we report photo-clickable miRNAs as appropriately pre-tagged miRNAs that keep the intracellular function of miRNAs and allow the addition of mol. handles through photo-click reaction. The photo-clickable miRNAs upon transfection inside cells were able to form functional complexes with target genes and repress target gene expression. Target genes associated with the photo-clickable miRNA in the complex were then tagged with the mol. handle through photo-click reaction for pull-down and identification. Using photo-clickable miR-106a, miR-27 and miR-122, we firstly verified that their intracellular function was comparable to intact miRNAs, which showed obvious advantage over corresponding biotinylated miRNAs. After attaching the biotin handle to the associated complex containing the photo-clickable miRNAs through the tetrazole-ene photo-click reaction, target genes previously bound with these miRNAs inside cells were successfully pulled town and analyzed. The application of this strategy was demonstrated by the identification of several new target genes of miR-122, followed by revealing a novel regulatory pathway in HepG2 cells with regard to the role of PEG10 in miR-122-promoted cell apoptosis. The experimental process involved the reaction of Methyl 6-chloro-6-oxohexanoate(cas: 35444-44-1).Computed Properties of 35444-44-1

The Article related to photoclickable microrna target gene identification hela hepg2, Biochemical Genetics: Methods and other aspects.Computed Properties of 35444-44-1

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

Yamazoe, Sayumi; Shestopalov, Ilya A.; Provost, Elayne; Leach, Steven D.; Chen, James K. published an article in 2012, the title of the article was Cyclic caged morpholinos: conformationally gated probes of embryonic gene function.Category: chlorides-buliding-blocks And the article contains the following content:

Next-generation cyclic caged morpholino-based antisense oligonucleotides were used as effective reverse-genetics tools in zebrafish embryos to study the timing of exocrine fate commitment in developing pancreas. The zebrafish pancreas transcription factor 1 alpha (ptf1a) gene was targeted. The experimental process involved the reaction of Methyl 6-chloro-6-oxohexanoate(cas: 35444-44-1).Category: chlorides-buliding-blocks

The Article related to cyclic caged morpholino oligonucleotide zebrafish embryo pancreas exocrine fate, Biochemical Genetics: Methods and other aspects.Category: chlorides-buliding-blocks

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

On November 15, 2001, Cook, Ronald M.; Lyttle, Matt; Dick, Daren published a patent.SDS of cas: 4569-86-2 The title of the patent was Synthesis and methods for dark quencher probes for donor-acceptor energy transfer. And the patent contained the following:

The invention concerns a family of quenchers of excited state energy that are substantially non-fluorescent, termed “”Black Hole Quenchers”” (BHQs). The quenchers of the invention remedy many of the deficiencies of currently utilized dark quenchers, probes assembled using these quenchers and methods using such quenchers and probes. Further, the dark quenchers are functionalized to allow their rapid attachment to probe that can be engineered to have a desired light absorption profile. The provision of this class of dark quenchers represents a substantial improvement in the design of probes incorporating dark quenchers and methods using such probes. Also provided are methods of using the BHQs, synthesis of such probes incorporating the BHQs and methods of using the probes. The experimental process involved the reaction of 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride(cas: 4569-86-2).SDS of cas: 4569-86-2

The Article related to fret black hole quencher probe nucleic acid fluorophore, Biochemical Methods: Synthesis and other aspects.SDS of cas: 4569-86-2

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

On April 14, 2016, Bouhlel, Ahlem; Alyami, Wadha; Li, Aixiao; Yuan, Liya; Rich, Keith; McConathy, Jonathan published an article.Product Details of 98946-18-0 The title of the article was Effect of α-Methyl versus α-Hydrogen Substitution on Brain Availability and Tumor Imaging Properties of Heptanoic [F-18]Fluoroalkyl Amino Acids for Positron Emission Tomography (PET). And the article contained the following:

Two [18F]fluoroalkyl substituted amino acids differing only by the presence or absence of a Me group on the α-carbon, (S)-2-amino-7-[18F]fluoro-2-methylheptanoic acid ((S)-[18F]FAMHep, (S)-[18F]14) and (S)-2-amino-7-[18F]fluoroheptanoic acid ((S)-[18F]FAHep, (S)-[18F]15), were developed for brain tumor imaging and compared to the well-established system L amino acid tracer, O-(2-[18F]fluoroethyl)-L-tyrosine ([18F]FET), in the delayed brain tumor (DBT) mouse model of high-grade glioma. Cell uptake, biodistribution, and PET/CT imaging studies showed differences in amino acid transport of these tracer by DBT cells. Recognition of (S)-[18F]15 but not (S)-[18F]14 by system L amino acid transporters led to approx. 8-10-fold higher uptake of the α-hydrogen substituted analog (S)-[18F]15 in normal brain. (S)-[18F]15 had imaging properties similar to those of (S)-[18F]FET in the DBT tumor model while (S)-[18F]14 afforded higher tumor to brain ratios due to much lower uptake by normal brain. These results have important implications for the future development of α-alkyl and α,α-dialkyl substituted amino acids for brain tumor imaging. The experimental process involved the reaction of tert-Butyl trichloroacetimidate(cas: 98946-18-0).Product Details of 98946-18-0

The Article related to fluolroalkyl amino acid preparation pet imaging agent brain tumor, Pharmaceuticals: Pharmaceutics and other aspects.Product Details of 98946-18-0

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

On December 31, 2010, Denora, Nunzio; Laquintana, Valentino; Trapani, Adriana; Lopedota, Angela; Latrofa, Andrea; Gallo, James M.; Trapani, Giuseppe published an article.Quality Control of Methyl 6-chloro-6-oxohexanoate The title of the article was Translocator Protein (TSPO) Ligand-Ara-C (Cytarabine) Conjugates as a Strategy To Deliver Antineoplastic Drugs and To Enhance Drug Clinical Potential. And the article contained the following:

The aim of this work was to evaluate TSPO ligand-Ara-C conjugation as an approach for the selective delivery of the antineoplastic agent to brain tumors as well as for overcome P-gp resistance induction observed for the majority of cytotoxic agents, enhancing the drug clin. potential. To this end, novel N-imidazopyridinacetyl-Ara-C conjugates have been prepared and evaluated for their cytotoxicity against glioma cell lines. Conjugate (I) resulted stable in both phosphate buffer and physiol. medium. In all cases, the release of free Ara-C from hydrolyzed conjugates was checked by HPLC and ESI-MS anal. Conjugates (II) and I displayed very high in vitro TSPO affinity and selectivity, and, hence, they may possess potential for targeted brain delivery. Due to the favorable features displayed by the conjugate I, it was further evaluated on glioma cell lines, expressing high levels of TSPO, in the presence and in the absence of specific nucleoside transport (NT) inhibitors. In contrast to that observed for the free Ara-C, the presence of NT inhibitors did not reduce the cytotoxic activity of I. Moreover, conjugate I, as N4-acyl derivative of Ara-C, should be resistant to inactivation by cytidine deaminase, and it may possess enhanced propensity to target brain tumor cells characterized by a reduced expression of NTs. In addition, this conjugate behaves as a clear P-gp modulator and thereby may be useful to reverse MDR. Transport studies across the MDCKII-MDR1 monolayer indicated that conjugate I should overcome the BBB by transcellular pathway. All these features may be useful for enhancing the clin. potential of the nucleoside drug Ara-C. The experimental process involved the reaction of Methyl 6-chloro-6-oxohexanoate(cas: 35444-44-1).Quality Control of Methyl 6-chloro-6-oxohexanoate

The Article related to translocator protein ligand cytarabine conjugate antineoplastic resistance, Pharmaceuticals: Pharmaceutics and other aspects.Quality Control of Methyl 6-chloro-6-oxohexanoate

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

On December 27, 2019, Liu, Si-Xian; Tsai, Yun-Tzu; Lin, Yu-Tung; Li, Jia-Yue; Chang, Che-Chien published an article.Recommanded Product: tert-Butyl trichloroacetimidate The title of the article was Design and synthesis of trivalent Tn glycoconjugate polymers by nitroxide-mediated polymerization. And the article contained the following:

A new synthetic method for preparing Tn glycoconjugate polymers, containing tumor-associated carbohydrate antigens, by controlled living radical polymerization is reported. To mimic the authentic structures of Tn glycopeptide antigens and to explore the controlled living radical polymerization, three tumor-associated carbohydrate antigens (GalNAc, GalNAcα1-O-Ser, and GalNAcα1-O-Thr) were attached to a styrene-type monomer through a diethylene glycol spacer. Under nitroxide-mediated polymerization, controlled living radical polymerization proceeded to afford defined glycopeptide polymers with different Tn densities and compositions The polydispersity index (PDI) and mol. weights were increased and conversions were decreased upon increasing the concentration of Tn glycoconjugate monomers. The resulting Tn glycoconjugate polymers were characterized by NMR and IR. The spectral data indicate that the Tn glycoconjugate moiety did attach to the polymer chain and Tn glycoconjugate d. could be adjusted through the nitroxide-mediated polymerization conditions. The number of Tn units containing in the polymer chains could be estimated by NMR integration. This synthetic approach provides a new and efficient tool for constructing novel Tn glycoconjugate polymers. The experimental process involved the reaction of tert-Butyl trichloroacetimidate(cas: 98946-18-0).Recommanded Product: tert-Butyl trichloroacetimidate

The Article related to synthesis trivalent tn glycoconjugate polymer nitroxide mediated polymerization, Biochemical Methods: Synthesis and other aspects.Recommanded Product: tert-Butyl trichloroacetimidate

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