indole-building-block | - Page 275 of 1434

Cadelis, Melissa M’s team published research in European Journal of Medicinal Chemistry in 2019-12-01 | 93247-78-0

European Journal of Medicinal Chemistry published new progress about Amines Role: ADV (Adverse Effect, Including Toxicity), PAC (Pharmacological Activity), RCT (Reactant), SPN (Synthetic Preparation), THU (Therapeutic Use), BIOL (Biological Study), RACT (Reactant or Reagent), PREP (Preparation), USES (Uses). 93247-78-0 belongs to class indole-building-block, and the molecular formula is C10H9NO2, Quality Control of 93247-78-0.

Cadelis, Melissa M.; Pike, Elliot I. W.; Kang, Weirong; Wu, Zimei; Bourguet-Kondracki, Marie-Lise; Blanchet, Marine; Vidal, Nicolas; Brunel, Jean Michel; Copp, Brent R. published the artcile< Exploration of the antibiotic potentiating activity of indolglyoxylpolyamines>, Quality Control of 93247-78-0, the main research area is bis indolyloxoacetamidopropyl butane diaminium trifluoroacetate preparation; antibacterial antifungal activity cytotoxicity SAR; Antimicrobial; Indole; Indolglyoxylamide; Polyamine; Potentiation.

A series of substituted di-indolglyoxylamido-spermine analogs I [R1 = 7-Me, 5-F, 5,6-di-Br, etc.] were prepared and evaluated for intrinsic antimicrobial properties and the ability to enhance antibiotic action. As a compound class, intrinsic activity was typically observed towards Gram-pos. bacteria and the fungus Cryptococcus neoformans, with notable exceptions being the compounds I [R1 = 5-Br, 5-Cl] analogs which also exhibited modest activity (MIC 34-50 μM) towards the Gram-neg. bacteria Escherichia coli and Klebsiella pneumoniae. Several analogs enhanced the activity of doxycycline towards the Gram-neg. bacteria Pseudomonas aeruginosa, E. coli, K. pneumoniae and Acinetobacter baumannii. Of particular note was the identification of five antibiotic enhancing analogs I [R1 = 5-Br, 7-F, 7-Me] which also exhibited low to no cytotoxicity and red blood cell haemolytic properties. The mechanisms of action of the I [R1 = 5-Br, 7-F] analogs were attributed to the ability to disrupt the integrity and depolarize, bacterial membranes.

Referemce:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

Ding, Lu’s team published research in Chemistry – A European Journal in 2019 | 399-76-8

Chemistry – A European Journal published new progress about Acid chlorides Role: RCT (Reactant), RACT (Reactant or Reagent). 399-76-8 belongs to class indole-building-block, and the molecular formula is C9H6FNO2, Safety of 5-Fluoroindole-2-carboxylic acid.

Ding, Lu; Gao, Run-Duo; You, Shu-Li published the artcile< Palladium(0)-Catalyzed Intermolecular Asymmetric Cascade Dearomatization Reaction of Indoles with Propargyl Carbonate>, Safety of 5-Fluoroindole-2-carboxylic acid, the main research area is alkylindolyl methyl malonate preparation propargyl carbonate palladium tandem dearomatization; alkyl methylene dihydrocarbazole dicarboxylate chemoselective regioselective enantioselective preparation; allylic compounds; asymmetric catalysis; cascade reactions; dearomatization; palladium.

An intermol. asym. cascade dearomatization reaction of indole derivatives with propargyl carbonate was developed. The challenges associated with both the chemoselectivity between the carbon and nitrogen nucleophile and the enantioselective control during the formation of an all-carbon quaternary stereogenic center were well addressed by a Pd catalytic system derived from the Feringa ligand. A series of enantioenriched multiply substituted fused indolenines were provided in good yields (71-86%) with excellent enantioselectivity (91-96% ee) and chemoselectivity (3/4>19:1 in most cases).

Kalir, Asher’s team published research in Israel Journal of Chemistry in 1968 | 23077-43-2

Israel Journal of Chemistry published new progress about 23077-43-2. 23077-43-2 belongs to class indole-building-block, and the molecular formula is C9H6FNO2, Product Details of C9H6FNO2.

Kalir, Asher; Balderman, D. published the artcile< Improved synthesis of some fluoroindoles>, Product Details of C9H6FNO2, the main research area is fluoroindoles; indoles fluoro.

2,5-F2-C6-H3NO2 (109 g.) was treated with 155 g. NCCH2CO2Et and 31.6 g. Na in 1000 ml. EtOH for 2 hrs. to give 26% 4-fluoroanthro-xanonitrile, m. 70-1°. 2,4-(O2N)FC6H3Me (155 g.) was refluxed 14 hrs. with 196 g. N-bromosuccinimide in 600 ml. CCl4 and 2 g. benzoyl peroxide and treated directly with pyridine to give 198 g. I (X = 4-F), m. 201-2°, and 37 g. 2,4-(O2N)FC6H3-CHBr2, m. 63-4°. I (X = 5-F and 6-F), m. 189-90°, and 202-4°, resp., were similarly obtained in 64 and 71% yield. I (X = 4-F) was treated with 150 g. p-ONC6H4NMe2.HCl in 1 l. EtOH and 720 ml. 2.5N NaOH at <5° for 1 hr., and then treated with 1.5 l. 6N H2SO4 to give 86 g. 2-O2N X C6H3CHO (II) (where X = 4-F), m. 32-3°, via III (X = 4-F), m. 165-6°. The following compounds were similarly prepared (X, % yield II, m.p. II, % yield III, and m.p. III given): 5-F, 86, 94-5°, 92, 155-6°; 6-F, 95, 62-3°, 96, 151-2°. II (X = 6-F) was treated with MeNO2 to give 76% 2,4-F(O2N)C6H3CH:CHNO2, m. 84°, which was catalytically reduced to 34-63% 4-fluoroindole, m. 29-30°, accompanied by IV, m. 200° (decomposition). The method of K. and S. Szara (1963) was used to prepare V (R, % yield, and m.p. given): CHO, 73, 190-1°; CH:CMeNO2, 81, 191-2°; CH2CHMeNH2, 64, 103-5° (HCl salt m. 240-1°, picrate m. 222-3°). 6-Fluoro-3-(2-nitrovinyl)indole, m. 190-2°, and 6-fluorotryptamine m. 83-4°, were similarly prepared in 68 and 51% yield, resp. V (R = CHO) (3.5 g.) was treated with 6 g. KMnO4 in 120 ml. Me2CO at <40° to give 47% V (R = CO2H), m. 273° (decomposition). 5-Fluoro-3-indolecarboxylic acid, m. 234-6° (decomposition), and 6-fluoro-3-indolecarboxylic acid, m. 242-4° (decomposition), were similarly prepared in 54 and 48% yield, resp. V (R = CH2CHMeNH2) was less active than the 5-fluoro derivative, but more active than the 6-fluoro derivative in the activity cage test on mice. Israel Journal of Chemistry published new progress about 23077-43-2. 23077-43-2 belongs to class indole-building-block, and the molecular formula is C9H6FNO2, Product Details of C9H6FNO2.

Barry, Conor S.’s team published research in Journal of the American Chemical Society in 2013 | CAS: 99409-32-2

Ethyl 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-thioglucopyranoside(cas: 99409-32-2) belongs to indole.The indole subunit is an almost ubiquitous component of biologically active natural products, and its study has been the focus of research for decades.COA of Formula: C22H25NO9SThey are capable of binding to a variety of receptors with high affinity and thus have applications in a wide range of therapeutic areas.

COA of Formula: C22H25NO9SOn November 13, 2013 ,《’Naked’ and Hydrated Conformers of the Conserved Core Pentasaccharide of N-linked Glycoproteins and Its Building Blocks》 appeared in Journal of the American Chemical Society. The author of the article were Barry, Conor S.; Cocinero, Emilio J.; Carcabal, Pierre; Gamblin, David P.; Stanca-Kaposta, E. Cristina; Remmert, Sarah M.; Fernandez-Alonso, Maria C.; Rudic, Svemir; Simons, John P.; Davis, Benjamin G.. The article conveys some information:

N-glycosylation of eukaryotic proteins is widespread and vital to survival. The pentasaccharide unit -Man3GlcNAc2- lies at the protein-junction core of all oligosaccharides attached to asparagine side chains during this process. Although its absolute conservation implies an indispensable role, associated perhaps with its structure, its unbiased conformation and the potential modulating role of solvation are unknown; both have now been explored through a combination of synthesis, laser spectroscopy, and computation. The proximal -GlcNAc-GlcNAc- unit acts as a rigid rod, while the central, and unusual, -Man-β-1,4-GlcNAc- linkage is more flexible and is modulated by the distal Man-α-1,3- and Man-α-1,6- branching units. Solvation stiffens the rod but leaves the distal residues flexible, through a β-Man pivot, ensuring anchored projection from the protein shell while allowing flexible interaction of the distal portion of N-glycosylation with bulk water and biomol. assemblies. In the part of experimental materials, we found many familiar compounds, such as Ethyl 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-thioglucopyranoside(cas: 99409-32-2COA of Formula: C22H25NO9S)

Sreekantha, Ratna Kumar’s team published research in ACS Medicinal Chemistry Letters in 2022 | CAS: 883500-73-0

5-Bromo-7-fluoro-1H-indole(cas: 883500-73-0) is a member of aromaticfluorinated building blocks. Depending on which substituents are present, fluoroaromatic intermediates can be converted into fluorinated or fluorine-free commercial end products.Fluorine-containing aromatics have been incorporated into drugs (hypnotics, tranquilizers, antiinflammatory agents, analgesics, antibacterials).Recommanded Product: 5-Bromo-7-fluoro-1H-indole

Recommanded Product: 5-Bromo-7-fluoro-1H-indoleOn May 12, 2022 ,《Identification of 2-Pyridinylindole-Based Dual Antagonists of Toll-like Receptors 7 and 8 (TLR7/8)》 appeared in ACS Medicinal Chemistry Letters. The author of the article were Sreekantha, Ratna Kumar; Mussari, Christopher P.; Dodd, Dharmpal S.; Pasunoori, Laxman; Hegde, Subramanya; Posy, Shana L.; Critton, David; Ruepp, Stefan; Subramanian, Murali; Salter-Cid, Luisa M.; Tagore, Debarati Mazumder; Sarodaya, Sanket; Dudhgaonkar, Shailesh; Poss, Michael A.; Schieven, Gary L.; Carter, Percy H.; Macor, John E.; Dyckman, Alaric J.. The article conveys some information:

The toll-like receptors (TLRs) play key roles in activation of the innate immune system. Aberrant activation of TLR7 and TLR8 pathways can occur in the context of autoimmune disorders due to the elevated presence and recognition of self-RNA as activating ligands. Control of this unintended activation via inhibition of TLR7/8 signaling holds promise for the treatment of diseases such as psoriasis, arthritis, and lupus. Optimization of a 2-pyridinylindole series of compounds led to the identification of potent dual inhibitors of TLR7 and TLR8, which demonstrated good selectivity against TLR9 and other family members. The in vitro characterization and in vivo evaluation in rodent pharmacokinetic/pharmacodynamic and efficacy studies of BMS-905 is detailed, along with structural information obtained through X-ray cocrystallog. studies. In the part of experimental materials, we found many familiar compounds, such as 5-Bromo-7-fluoro-1H-indole(cas: 883500-73-0Recommanded Product: 5-Bromo-7-fluoro-1H-indole)

Kaur, Kamalpreet’s team published research in Anti-Cancer Agents in Medicinal Chemistry in 2020 | CAS: 120-72-9

1H-Indole(cas: 120-72-9) belongs to indole. Indole, also called Benzopyrrole, a heterocyclic organic compound occurring in some flower oils, such as jasmine and orange blossom, in coal tar, and in fecal matter. It is used in perfumery and in making tryptophan, an essential amino acid, and indoleacetic acid (heteroauxin), a hormone that promotes the development of roots in plant cuttings.Recommanded Product: 1H-Indole

Recommanded Product: 1H-IndoleIn 2020 ,《Recent Development in Indole Derivatives as Anticancer Agents for Breast Cancer》 appeared in Anti-Cancer Agents in Medicinal Chemistry. The author of the article were Kaur, Kamalpreet; Jaitak, Vikas. The article conveys some information:

A review. Background: Breast Cancer (BC) is the second most common cause of cancer related deaths in women. Due to severe side effects and multidrug resistance, current therapies like hormonal therapy, surgery, radiotherapy and chemotherapy become ineffective. Also, the existing drugs for BC treatment are associated with several drawbacks such as poor oral bioavailability, non-selectivity and poor pharmacodynamics properties. Therefore, there is an urgent need for the development of more effective and safer anti BC agents. Objective: This article explored in detail the possibilities of indole-based heterocyclic compounds as anticancer agents with breast cancer as their major target. Methods: Recent literature related to indole derivatives endowed with encouraging anti BC potential is reviewed. With special focus on BC, this review offers a detailed account of multiple mechanisms of action of various indole derivatives: aromatase inhibitor, tubulin inhibitor, microtubule inhibitor, targeting estrogen receptor, DNA-binding mechanism, induction of apoptosis, inhibition of PI3K/AkT/NFkB/mTOR, and HDAC inhibitors, by which these derivatives have shown promising anticancer potential. Results: Exhaustive literature survey indicated that indole derivatives are associated with properties of inducing apoptosis and disturbing tubulin assembly. Indoles are also associated with the inhibition of NFkB/mTOR/PI3K/AkT and regulation of estrogen-mediated activity. Furthermore, indole derivatives have been found to modulate critical targets such as topoisomerase and HDAC. These derivatives have shown significant activity against breast cancer cells. Conclusion: In BC, indole derivatives seem to be quite competent and act through various mechanisms that are well established in case of BC. This review has shown that indole derivatives can further be explored for the betterment of BC chemotherapy. A lot of potential is still hidden which demands to be discovered for upgrading BC chemotherapy. In addition to this study using 1H-Indole, there are many other studies that have used 1H-Indole(cas: 120-72-9Recommanded Product: 1H-Indole) was used in this study.

O’Mahony, Cian’s team published research in International Journal of Molecular Sciences in 2022 | CAS: 120-72-9

Reference of 1H-IndoleIn 2022 ,《Diet-Microbiota Interplay: An Emerging Player in Macrophage Plasticity and Intestinal Health》 appeared in International Journal of Molecular Sciences. The author of the article were O’Mahony, Cian; Amamou, Asma; Ghosh, Subrata. The article conveys some information:

A review. Inflammatory bowel diseases (IBD) are chronic disorders of the gastrointestinal tract with an increasing prevalence worldwide. Targeted therapies for IBD are limited by several factors, including the therapeutic ceiling and the high incidence of non-responders or loss-of-response. In order to improve therapeutic efficacy, there is critical need to decipher disease pathogenesis, currently not well understood. Macrophages, innate immune cells that exhibit high plasticity, perpetuate inflammatory signalling in IBD through excessive release of inflammatory mediators. In recent years, pioneering research has revealed the importance of the interplay between macrophages and gut microbiota in maintaining intestinal homeostasis. Particular attention is focusing on microbiota-derived metabolites, believed to possess immunomodulatory properties capable of manipulating macrophage plasticity. Microbiota-derived short-chain fatty acids (SCFAs) and indole compounds, along with dietary sourced omega-3 (ω-3) polyunsaturated fatty acids (PUFA), exert anti-inflammatory effects, attributable to interactions with macrophages. Before we can effectively incorporate these metabolites into IBD therapies, a deeper understanding of microbiota-macrophage interactions at a mol. level is necessary. Therefore, the aim of this review is firstly to detail current knowledge regarding how diet and microbiota-derived metabolites modify macrophage plasticity. Later, we discuss the concept of therapeutic strategies directed at microbiota-macrophage interactions, which could be highly valuable for IBD therapies in the future. After reading the article, we found that the author used 1H-Indole(cas: 120-72-9Reference of 1H-Indole)

Dai, Chunxiao’s team published research in Environmental Science and Pollution Research in 2022 | CAS: 120-72-9

In 2022,Dai, Chunxiao; Ma, Fang; Ma, Qiao; Yang, Jing; Li, Yan; Yang, Bingyu; Qu, Yuanyuan published an article in Environmental Science and Pollution Research. The title of the article was 《Investigation of indole biodegradation by Cupriavidus sp. strain IDO with emphases on downstream biotransformation and indigo production》.Safety of 1H-Indole The author mentioned the following in the article:

Indole, as a typical N-heterocyclic aromatic pollutant, poses risks to living things; however, indole-biotransformation mechanisms remain under-discussed, especially those related to its downstream biotransformation. Here, we systematically investigated the characteristics of indole degradation by strain Cupriavidus sp. IDO. We found that Cupriavidus sp. IDO could utilize 25 to 150 mg/L indole within 40 h and identified three intermediates (2-oxindole, indigo, and isatin). Addnl., integrated genomics and proteomics anal. of the indole biotransformation mechanism in strain IDO revealed 317 proteins showing significant changes (262 upregulated and 55 downregulated) in the presence of indole. Among these, three clusters containing indole oxidoreductase, CoA-thioester ligase, and gentisate 1,2-oxidoreductase were identified as potentially responsible for upstream and downstream indole metabolism Moreover, HPLC-MS and -omics anal. offered insight into the indole-degradation pathway in strain IDO. Furthermore, the indole oxidoreductase IndAB, which initiates indole degradation, was heterologously expressed in Escherichia coli BL21(DE3). Optimization by the response surface methodol. resulted in a maximal production of 135.0 mg/L indigo by the recombination strains in tryptophan medium. This work enriches our understanding of the indole-biodegradation process and provides new insights into multiple indole-degradation pathways in natural environments. The experimental part of the paper was very detailed, including the reaction process of 1H-Indole(cas: 120-72-9Safety of 1H-Indole)

Loncar, Nikola’s team published research in International Journal of Molecular Sciences in 2019 | CAS: 120-72-9

The author of 《Structure-based redesign of a self-sufficient flavin-containing monooxygenase towards indigo production》 were Loncar, Nikola; van Beek, Hugo L.; Fraaije, Marco W.. And the article was published in International Journal of Molecular Sciences in 2019. Product Details of 120-72-9 The author mentioned the following in the article:

Indigo is currently produced by a century-old petrochem.-based process, therefore it is highly attractive to develop a more environmentally benign and efficient biotechnol. process to produce this timeless dye. Flavin-containing monooxygenases (FMOs) are able to oxidize a wide variety of substrates. In this paper we show that the bacterial mFMO can be adapted to improve its ability to convert indole into indigo. The improvement was achieved by a combination of computational and structure-inspired enzyme redesign. We showed that the thermostability and the kcat for indole could be improved 1.5-fold by screening a relatively small number of enzyme mutants. This project not only resulted in an improved biocatalyst but also provided an improved understanding of the structural elements that determine the activity of mFMO and provides hints for further improvement of the monooxygenase as biocatalyst. The experimental part of the paper was very detailed, including the reaction process of 1H-Indole(cas: 120-72-9Product Details of 120-72-9)

Blythe, Eugene K.’s team published research in Journal of Environmental Horticulture in 2004 | CAS: 60096-23-3

Potassium 4-(1H-indol-3-yl)butanoate(cas: 60096-23-3) is auxin-family plant hormone, and is thought to be a precursor of indole-3-acetic acid (IAA) the most abundant and the basic auxin natively occurring and functioning in plants. IAA generates the majority of auxin effects in intact plants, and is the most potent native auxin.Name: Potassium 4-(1H-indol-3-yl)butanoate

Blythe, Eugene K.; Sibley, Jeff L.; Tilt, Ken M.; Ruter, John M. published an article in Journal of Environmental Horticulture. The title of the article was 《Auxin application to stem cuttings of selected woody landscape plants by incorporation into a stabilized organic rooting substrate》.Name: Potassium 4-(1H-indol-3-yl)butanoate The author mentioned the following in the article:

Stem cuttings of Buxus sinica var. insularis “”Wintergreen””, Elaeagnus × ebbingei, Ficus benjamina, Gardenia augusta “”Radicans””, Ilex glabra “”Nigra””, Ilex vomitoria “”Nana””, Juniperus conferta “”Blue Pacific””, Ternstroemia gymnanthera, and Trachelospermum asiaticum were inserted into a stabilized organic rooting substrate (plugs comprised of peat and a polymer binder) that had been soaked in water, aqueous solutions of K-IBA (15 to 75 ppm), or K-IBA + K-NAA (15 ppm + 7.5 ppm to 60 ppm + 30 ppm). Rooting and initial shoot growth responses were compared with cuttings receiving a basal quick-dip in K-IBA (1000 ppm) or K-IBA + K-NAA (1000 ppm + 500 ppm). Rooting percentage, number of roots per rooted cutting, and total root length per rooted cutting for cuttings rooted in auxin-treated plugs were similar to or greater than cuttings receiving a basal quick-dip; lesser results were obtained in a few cases with K-IBA + K-NAA. Percent of rooted cuttings with new shoots and shoot length per rooted cutting for cuttings rooted in plugs treated with K-IBA were mostly similar to cuttings receiving a basal quick-dip in K-IBA, while cuttings rooted in plugs treated with K-IBA + K-NAA exhibited similar or lesser results compared to cuttings receiving a basal quick-dip in K-IBA + K-NAA. In the experimental materials used by the author, we found Potassium 4-(1H-indol-3-yl)butanoate(cas: 60096-23-3Name: Potassium 4-(1H-indol-3-yl)butanoate)