Author: Jessica.F

Lee, Junghun published the artcileDiscovery of novel 4-aryl-thieno[1,4]diazepin-2-one derivatives targeting multiple protein kinases as anticancer agents, Name: 2,5-Dibromo-3,4-dinitrothiophene, the publication is Bioorganic & Medicinal Chemistry (2018), 26(8), 1628-1637, database is CAplus and MEDLINE.

A series of 4-aryl-thieno[1,4]diazepin-2-one were synthesized and evaluated for their antiproliferative activities against the A375P melanoma and U937 hematopoietic cell lines. Several compounds showed very potent antiproliferative activities toward both cell lines and the activities were better than that of sorafenib, the reference standard Derivatives were made as amide (8a-8i, 9a-9m) and urea (10a-10d, 11a-11d) with diverse hydrophobic moieties. One of the most potent inhibitor 10d, 1-(4-((4-ethylpiperazin-1-yl)methyl)-3-(trifluoromethyl)phenyl)-3-(4-(2-oxo-2,3-dihydro-1H-thieno [3,4-b][1,4]diazepin-4-yl)phenyl)urea was found to be very potent inhibitor of multi-protein kinases including FMS kinase (IC₅₀=3.73nM) and is a promising candidate for further development in therapeutics for cancer.

Bioorganic & Medicinal Chemistry published new progress about 52431-30-8. 52431-30-8 belongs to bromides-buliding-blocks, auxiliary class Liquid Crystal &OLED Materials, name is 2,5-Dibromo-3,4-dinitrothiophene, and the molecular formula is C4Br2N2O4S, Name: 2,5-Dibromo-3,4-dinitrothiophene.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary

Huber, Johannes published the artcileNanoparticles of Low Optical Band Gap Conjugated Polymers, Computed Properties of 52431-30-8, the publication is Macromolecules (Washington, DC, United States) (2012), 45(19), 7799-7805, database is CAplus.

Sonogashira coupling of 9,9-bis(2-ethylhexyl)-2,7-diethynyl-9H-fluorene (1) with 2,7-dibromo-9,9-bis(2-ethylhexyl)-9H-fluorene (2) and dibromo-substituted electron accepting arylenes 5,7-bis(5-bromothiophen-2-yl)-2,3-dihexylthieno[3,4-b]pyrazine (3), 4,7-bis(5-bromo-4-(2-ethylhexyl)thiophene-2-yl)bis(benzothiadiazole) (4) or 4,9-bis(5-bromo-4-(2-ethylhexyl)thiophen-2-yl)-6,7-dihexylthiadiazolo[3,4-g]quinoxaline (5), resp., in a miniemulsion polymerization process afforded colloidally stable dispersions of poly(arylene ethynylene) nanoparticles with an average size in the range of 50 to 120 nm. For these poly[1-alt-(2-co-X)] (X = 3, 4, or 5), poly(1-alt-3), poly(1-alt-4), and poly(1-alt-5) aqueous nanoparticle dispersions absorption occurs increasingly in the red and NIR regime with increasing incorporation of acceptor monomer, with a strong absorption up to λ_abs = 1 μm for poly(1-alt-4) dispersions. For poly[1-alt-(2-co-3)] nanoparticles fluorescence is also observed at λ_em = ca. 700 nm, which occurs at this long wavelength exclusively even at an incorporation of only 1 mol % of 3 due to energy transfer to the low-energy chromophores. An alternative postpolymn. approach by change of solvent quality yielded dilute aqueous dispersions of self-stabilized nanoparticles from an amphiphilic block copolymer, poly(ethylene glycol)-block-poly(1-alt-6)-block-poly(ethylene glycol) generated from alkyne-terminated poly(1-alt-6) via azide-alkyne coupling (6 = 4,7-bis(5-bromo-4-(2-ethylhexyl)thiophene-2-yl)benzothiadiazole), which fluoresce at λ_em max = 672 nm.

Macromolecules (Washington, DC, United States) published new progress about 52431-30-8. 52431-30-8 belongs to bromides-buliding-blocks, auxiliary class Liquid Crystal &OLED Materials, name is 2,5-Dibromo-3,4-dinitrothiophene, and the molecular formula is C4Br2N2O4S, Computed Properties of 52431-30-8.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary

Saraswathi, Sajena K. published the artcileThymine-Induced Dynamic Switching of Self-Assembled Nanofibers in Diaminotriazine-Functionalized Tetraphenylethylene Derivatives: Implications for One-Dimensional Molecular Devices, Quality Control of 143-15-7, the publication is ACS Applied Nano Materials (2022), 5(2), 3018-3027, database is CAplus.

One-dimensional (1D) supramol. polymers of aggregation-induced emission (AIE)-active chromophores belong to an in-demand group of functional materials because of their potential applications in optoelectronic devices like optical waveguides, lasers, displays, photodetectors, field-effect transistors, and solar cells. Herein, we report the hydrogen (H)-bondingdirected self-assembly of diaminotriazine-appended tetraphenylethylene derivatives (TPE-DAT) into 1D-fibers, hierarchical organogels and their thymine-induced structural transitions. The intermol. H-bonding ability of diaminotriazine (-DAT=DAT-) leads to the formation of TPE dimers, which upon subsequent cooperative self-assembly via π-π stacking forms micrometer-long, blue-emissive, bundled nanofibers. Further, we exploit the mol. recognition property of thymine nucleobase toward the diaminotriazine unit to tune the properties of this 1D assembly. In the presence of a thymine derivative (T-C12), the blue-emissive, bundled nanofibers of TPE-DAT having a width of 70-80 nm changes to green-emissive nanofibers of TPE-DATT-C12 with 30-40 nm width. This transition from blue- to green-emissive nanofibers and hierarchical gels was ascribed to the change in monomeric units, their mol. planarity, and packing in the self-assembly, which was further probed by UV-visible absorption, at. force microscopy (AFM), transmission electron microscopy (TEM), and fluorescence properties. In addition, to gain more insights into the mechanism of these 1D-assemblies, we explored the self-assembly properties of chiral and racemic derivatives of TPE-DAT and the gelation properties of TPE-DAT and TPE-DATT-C12. In short, this work demonstrates the use of the mol. recognition property of nucleobase and nucleobase analogs in constructing and controlling the formation of rarely reported 1D-assemblies of AIE-active TPE chromophores.

ACS Applied Nano Materials published new progress about 143-15-7. 143-15-7 belongs to bromides-buliding-blocks, auxiliary class Bromide,Aliphatic hydrocarbon chain, name is 1-Bromododecane, and the molecular formula is C12H25Br, Quality Control of 143-15-7.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary

Cavieres, Jenifer published the artcileIonanofluids based on ionic liquid mixtures, a new approach as an alternative material for solar energy storage, Recommanded Product: 1-Bromooctane, the publication is Journal of Molecular Liquids (2022), 118677, database is CAplus.

Hybrid materials based on ionic liquids (ILs) known as Ionanofluids (INFs) have shown exciting improvements in their thermophys. properties compared to their base fluids (BF). Within this group, INFs obtained using mixtures of ionic liquids as BFs have been virtually ignored until now. In this work, INFs composed of two equimolar mixtures of ILs, [Omim][PF₆] + [Odmim][PF₆] and [Omim][PF₆] + [Odmim][BF₄] as base fluids and Multiwalled Carbon Nanotubes (MWCNTs) with weight percentages of 0.04, 0.06, 0.08, and 0.1 wt% were elaborated. Furthermore, the thermophys. properties of our proposed new materials were evaluated and compared to conventional materials currently used in solar energy storage systems. It was shown that the heat capacity (Cp) reaches increases of up to 3.7 and 3.2 times that of nitrated salts and the com. fluid Therminol VP-1, which translates into a 9.4% and 284% higher thermal storage d. (E), resp., and even lower thermal diffusivity (α), which supports the preliminary idea of using these new materials for energy storage.

Journal of Molecular Liquids published new progress about 111-83-1. 111-83-1 belongs to bromides-buliding-blocks, auxiliary class Bromide,Aliphatic hydrocarbon chain, name is 1-Bromooctane, and the molecular formula is C8H17Br, Recommanded Product: 1-Bromooctane.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary

Kale, Someshwar B. published the artcileRongalite as a Sulfone Source: Sulfonylation of para-Quinone Methides and Alkyl/allyl Halides, Product Details of C8H17Br, the publication is Chemistry – An Asian Journal (2022), 17(16), e202200408, database is CAplus and MEDLINE.

A one-pot three-component reaction using p-quinone methides, rongalite and alkyl/allyl halides has been described. The corresponding unsym. sulfones were obtained in good yields under mild reaction conditions in the absence of any metal, base or any other additive.

Chemistry – An Asian Journal published new progress about 111-83-1. 111-83-1 belongs to bromides-buliding-blocks, auxiliary class Bromide,Aliphatic hydrocarbon chain, name is 1-Bromooctane, and the molecular formula is C8H17Br, Product Details of C8H17Br.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary

Mistry, Shailesh N. published the artcile4-Phenylpyridin-2-one Derivatives: A Novel Class of Positive Allosteric Modulator of the M₁ Muscarinic Acetylcholine Receptor, Computed Properties of 76283-09-5, the publication is Journal of Medicinal Chemistry (2016), 59(1), 388-409, database is CAplus and MEDLINE.

Pos. allosteric modulators (PAMs) of the M₁ muscarinic acetylcholine receptor (M₁ mAChR) are a promising strategy for the treatment of the cognitive deficits associated with diseases including Alzheimer’s and schizophrenia. Herein, we report the design, synthesis, and characterization of a novel family of M₁ mAChR PAMs. The most active compounds of the 4-phenylpyridin-2-one series exhibited comparable binding affinity to the reference compound, 1-(4-methoxybenzyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (BQCA), but markedly improved pos. cooperativity with acetylcholine, and retained exquisite selectivity for the M₁ mAChR. Furthermore, the pharmacol. characterization revealed ligands with a diverse range of activities, including modulators that displayed both high intrinsic efficacy and PAM activity, those that showed no detectable agonism but robust PAM activity and ligands that displayed robust allosteric agonism but little modulatory activity. Compound I was found to have the best pharmacol. profile. Thus, the 4-phenylpyridin-2-one scaffold offers an attractive starting point for further lead optimization.

Journal of Medicinal Chemistry published new progress about 76283-09-5. 76283-09-5 belongs to bromides-buliding-blocks, auxiliary class Fluoride,Bromide,Benzyl bromide,Benzene, name is 4-Bromo-1-(bromomethyl)-2-fluorobenzene, and the molecular formula is C7H5Br2F, Computed Properties of 76283-09-5.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary

Seo, Jin-soo published the artcileNovel inhibitors of prolyl 4-hydroxylase; solid-phase synthesis of 2,2-dimethyl-3,4-dialkoxy-substituted 6-aminobenzopyran derivatives, COA of Formula: C7H5Br2F, the publication is Bulletin of the Korean Chemical Society (2006), 27(6), 909-917, database is CAplus.

2,2-Dimethyl-3,4-dialkoxy-substituted 6-aminobenzopyrans were identified as prolyl 4-hydroxylase inhibitors via a screening process using HSC-T6 and LI 90 cells that express an immortalized rat hepatic stellate cell line and as part of a test of the type I collagen contents employing the ELISA method. A subsequent lead optimization effort based on solid-phase parallel synthesis led to the identification of 2,2-dimethyl-3,4-dialkoxy-substituted 6-aminobenzopyrans as potent inhibitors of prolyl 4-hydroxylase.

Bulletin of the Korean Chemical Society published new progress about 76283-09-5. 76283-09-5 belongs to bromides-buliding-blocks, auxiliary class Fluoride,Bromide,Benzyl bromide,Benzene, name is 4-Bromo-1-(bromomethyl)-2-fluorobenzene, and the molecular formula is C9H8BrF3, COA of Formula: C7H5Br2F.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary

Ellis, Gwynn P. published the artcileOne-step synthesis and spectral study of 1-methylbenzimidazoles including use of a lanthanide shift reagent, Name: 4-Bromo-N-methyl-2-nitroaniline, the publication is Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999) (1974), 903-9, database is CAplus.

4-Substituted 1,2-phenylenediamines and their N-1-Ac derivatives with HCHO in boiling EtOH containing HCl gave 5- and 6-substituted 1-methylbenzimidazoles. E.g., 1,2-(H2N)2C6H3R-4 (R = NO2, Cl) gave 42% 6-nitro- and 43% 5-chloro-1-methyl-benzimidazole. Other 4-substituted 1,2-phenylenediamines gave mixtures The preparation of 5- and 6-substituted 1-methylbenzimid-azoles by other routes and the differentiation of isomeric pairs by lanthanide shift NMR spectroscopy is described.

Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999) published new progress about 53484-26-7. 53484-26-7 belongs to bromides-buliding-blocks, auxiliary class Bromide,Nitro Compound,Amine,Benzene, name is 4-Bromo-N-methyl-2-nitroaniline, and the molecular formula is C7H7BrN2O2, Name: 4-Bromo-N-methyl-2-nitroaniline.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary

Dobbs, Adrian P. published the artcileIndole radical cyclizations: a rapid route to mitosenes, Safety of (4-Bromobut-1-yn-1-yl)trimethylsilane, the publication is Tetrahedron Letters (1995), 36(27), 4857-60, database is CAplus.

The syntheses and radical cyclization of 2-bromoindoles carrying an unsaturated N-alkyl group is described. The radical cyclization of 1-(3-butenyl)-2-bromo-1H-indole gave 2,3-dihydro-1-methyl-1H-pyrrolo[1,2-a]indole (79% yield). The cyclization of 2-bromo-1-(4-pentenyl)-1H-indole gave 6,7,8,9-tetrahydro-9-methylpyrido[1,2-a]indole (74% yield).

Tetrahedron Letters published new progress about 69361-41-7. 69361-41-7 belongs to bromides-buliding-blocks, auxiliary class PROTAC Linker,Aliphatic Linker, name is (4-Bromobut-1-yn-1-yl)trimethylsilane, and the molecular formula is C7H13BrSi, Safety of (4-Bromobut-1-yn-1-yl)trimethylsilane.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary

Inam, Maria published the artcileControlling the Size of Two-Dimensional Polymer Platelets for Water-in-Water Emulsifiers, Recommanded Product: Sodium 3-bromopropane-1-sulfonate, the publication is ACS Central Science (2018), 4(1), 63-70, database is CAplus and MEDLINE.

A wide range of biorelevant applications, particularly in pharmaceutical formulations and the food and cosmetic industries, require the stabilization of two water-soluble blended components which would otherwise form incompatible biphasic mixtures Such water-in-water emulsions can be achieved using Pickering stabilization, where two-dimensional (2D) nanomaterials are particularly effective due to their high surface area. However, control over the shape and size of the 2D nanomaterials is challenging, where it has not yet been possible to examine chem. identical nanostructures with the same thickness but different surface areas to probe the size-effect on emulsion stabilization ability. Hence, the rationale design and realization of the full potential of Pickering water-in-water emulsion stabilization have not yet been achieved. Herein, we report for the first time 2D poly(lactide) platelets with tunable sizes (with varying coronal chem.) and of uniform shape using a crystallization-driven self-assembly methodol. We have used this series of nanostructures to explore the effect of 2D platelet size and chem. on the stabilization of a water-in-water emulsion of a poly(ethylene glycol) (PEG)/dextran mixture We have demonstrated that cationic, zwitterionic, and neutral large platelets (ca. 3.7 × 10⁶ nm²) all attain smaller droplet sizes and more stable emulsions than their resp. smaller platelets (ca. 1.2 × 10⁵ nm²). This series of 2D platelets of controlled dimensions provides an excellent exemplar system for the investigation of the effect of just the surface area on the potential effectiveness in a particular application.

ACS Central Science published new progress about 55788-44-8. 55788-44-8 belongs to bromides-buliding-blocks, auxiliary class Bromide,Salt,Aliphatic hydrocarbon chain,Aliphatic hydrocarbon chain, name is Sodium 3-bromopropane-1-sulfonate, and the molecular formula is C3H6BrNaO3S, Recommanded Product: Sodium 3-bromopropane-1-sulfonate.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary