Day: October 12, 2022

Pulici, Maurizio; Quartieri, Francesca published the artcile< Traceless solid-phase synthesis of 2-amino-5-alkylidene-thiazol-4-ones>, Name: 3-Benzyl-2-thioxothiazolidin-4-one, the main research area is polymer supported rhodanine arylaldehyde Knoevenagel condensation amine resin cleavage; aminoalkyldiene thiazolone stereoselective preparation.

2-Amino-5-alkylidene-thiazol-4-ones, e.g., I, bearing two diversity points were prepared by a solid-phase strategy exploiting rhodanine as the starting material. Rhodanine was first loaded on bromo-Wang resin, subjected to Knoevenagel condensation with aldehydes, and cleaved off the resin in a traceless manner by means of an amine.

Tetrahedron Letters published new progress about Amines Role: RCT (Reactant), RACT (Reactant or Reagent). 10574-69-3 belongs to class thiazole, and the molecular formula is C10H9NOS2, Name: 3-Benzyl-2-thioxothiazolidin-4-one.

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Lefeuvre, Bastien; Cantero, Paola; Ehret-Sabatier, Laurence; Lenormand, Cedric; Barthel, Cathy; Po, Chrystelle; Parveen, Nikhat; Grillon, Antoine; Jaulhac, Benoit; Boulanger, Nathalie published the artcile< Effects of topical corticosteroids and lidocaine on Borrelia burgdorferi sensu lato in mouse skin: potential impact to human clinical trials>, Related Products of 2591-17-5, the main research area is Borrelia skin topical corticosteroid lidocaine.

Abstract: Lyme borreliosis is the most prevalent vector-borne disease in northern hemisphere. However, in patients presenting persistent clin. manifestations, this indirect diagnosis is not capable of detecting an active infection. If the serol. tests are pos., it only proves that exposure of an individual to Lyme spirochetes had occurred. Although culture and quant. PCR detect active infection, currently used tests are not sensitive enough for wide-ranging applications. Animal models have shown that B. burgdorferi persists in the skin. We present here our targeted proteomics results using infected mouse skin biopsies that facilitate detection of this pathogen. We have employed several novel approaches in this study. First, the effect of lidocaine, a local anesthetic used for human skin biopsy, on B. burgdorferi presence was measured. We further determined the impact of topical corticosteroids to reactivate Borrelia locally in the skin. This local immunosuppressive compound helps follow-up detection of spirochetes by proteomic anal. of Borrelia present in the skin. This approach could be developed as a novel diagnostic test for active Lyme borreliosis in patients presenting disseminated persistent infection. Although our results using topical corticosteroids in mice are highly promising for recovery of spirochetes, further optimization will be needed to translate this strategy for diagnosis of Lyme disease in patients.

Scientific Reports published new progress about Borrelia afzelii. 2591-17-5 belongs to class thiazole, and the molecular formula is C11H8N2O3S2, Related Products of 2591-17-5.

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Yao, Zi; Zhang, Brendan S.; Steinhardt, Rachel C.; Mills, Jeremy H.; Prescher, Jennifer A. published the artcile< Multicomponent Bioluminescence Imaging with a π-Extended Luciferin>, COA of Formula: C11H8N2O3S2, the main research area is multicomponent bioluminescence imaging luciferin.

Bioluminescence imaging with luciferase-luciferin pairs is commonly used for monitoring biol. processes in cells and whole organisms. Traditional bioluminescent probes are limited in scope, though, as they cannot be easily distinguished in biol. environments, precluding efforts to visualize multicellular processes. Addnl., many luciferase-luciferin pairs emit light that is poorly tissue penetrant, hindering efforts to visualize targets in deep tissues. To address these issues, the authors synthesized a set of π-extended luciferins that were predicted to be red shifted luminophores. The scaffolds were designed to be rotationally labile such that they produced light only when paired with luciferases capable of enforcing planarity. A luciferin comprising an intramol. “”lock”” was identified as a viable light-emitting probe. Native luciferases were unable to efficiently process the analog, but a complementary luciferase was identified via Rosetta-guided enzyme design. The unique enzyme-substrate pair is red shifted compared to known bioluminescent tools. The probe set is also orthogonal to other luciferase-luciferin probes and can be used for multicomponent imaging. Four substrate-resolved luciferases were imaged in a single session. Collectively, this work provides the first example of Rosetta-guided design in engineering bioluminescent tools and expands the scope of orthogonal imaging probes.

Journal of the American Chemical Society published new progress about Bioluminescent imaging. 2591-17-5 belongs to class thiazole, and the molecular formula is C11H8N2O3S2, COA of Formula: C11H8N2O3S2.

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Chen, Lingfeng; Chen, Hongjin; Chen, Pengqin; Zhang, Wenxin; Wu, Chao; Sun, Chuchu; Luo, Wu; Zheng, Lulu; Liu, Zhiguo; Liang, Guang published the artcile< Development of 2-amino-4-phenylthiazole analogues to disrupt myeloid differentiation factor 88 and prevent inflammatory responses in acute lung injury>, Name: 2-Amino-4-(3-nitrophenyl)thiazole, the main research area is piperazinyl phenylthiazolylpropanamide preparation MyD88 protein homodimerization inhibitor antiinflammatory; 2-Amino-4-phenylthiazole; Acute lung injury; Anti-inflammation; Macrophages; MyD88.

The synthesis of 47 new analogs by modifying different sites on this lead compound and assessed their anti-inflammatory activities in lipopolysaccharide-induced mouse primary peritoneal macrophages (MPMs) was described. The most promising compound I was found to effectively interact with MyD88 protein and prevented formation of the MyD88 homodimeric complex. Furthermore, compound I showed in-vivo anti-inflammatory activity in LPS-caused model of acute lung injury. This work provided new candidates as MyD88 inhibitors to combat inflammation diseases.

European Journal of Medicinal Chemistry published new progress about Alkyl aryl ketones Role: RCT (Reactant), RACT (Reactant or Reagent). 57493-24-0 belongs to class thiazole, and the molecular formula is C9H7N3O2S, Name: 2-Amino-4-(3-nitrophenyl)thiazole.

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Nagase, Hiroshi published the artcile< Fungicides. XXVI. Addition of 2,3-dimethylbutadiene to 5-methoxycarbonylmethylidene-2-thioxo-4-thiazolidones and 5-aroylmethylidene-2-thioxo-4-thiazolidones>, Name: 3-Benzyl-2-thioxothiazolidin-4-one, the main research area is thiazolidonespirocyclohexene thioxo; spirothiazolecyclohexenone thioxo; thiazolidone cycloaddition butadiene.

The thiazolidonespirocyclohexenes I (R = MeO, R1 = Me, PhCH2; R = Ph, p-ClC6H4, R1 = PhCH2) were prepared by treating the thiazolone II with CH2:CMeCMe:CH2.

Chemical & Pharmaceutical Bulletin published new progress about Cycloaddition reaction. 10574-69-3 belongs to class thiazole, and the molecular formula is C10H9NOS2, Name: 3-Benzyl-2-thioxothiazolidin-4-one.

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Aulakh, Virender S.; Ciufolini, Marco A. published the artcile< An improved synthesis of pyridine-thiazole cores of thiopeptide antibiotics>, Synthetic Route of 31825-95-3, the main research area is pyridinethiazole core thiopeptide antiobiotic preparation.

The oxidation of 2-methylthiazoles to 2-formylthiazoles simplifies the implementation of the Bagley variant of the Bohlmann-Rahtz reaction as a key step in a concise route to pyridine cores of thiopeptide antibiotics.

Journal of Organic Chemistry published new progress about Bohlmann-Rahtz reaction. 31825-95-3 belongs to class thiazole, and the molecular formula is C5H6N2OS, Synthetic Route of 31825-95-3.

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Watthaisong, Pratchaya; Kamutira, Philaiwarong; Kesornpun, Chatchai; Pongsupasa, Vinutsada; Phonbuppha, Jittima; Tinikul, Ruchanok; Maenpuen, Somchart; Wongnate, Thanyaporn; Nishihara, Ryo; Ohmiya, Yoshihiro; Chaiyen, Pimchai published the artcile< Luciferin Synthesis and Pesticide Detection by Luminescence Enzymatic Cascades>, HPLC of Formula: 2591-17-5, the main research area is Dehalogenase; Luciferase; Luciferin; Luminescence; Organophosphate.

D-Luciferin (D-LH2), a substrate of firefly luciferase (Fluc), is important for a wide range of bioluminescence applications. This work reports a new and green method using enzymic reactions (HELP, HadA Enzyme for Luciferin Preparation) to convert 19 phenolic derivatives to 8 D-LH2 analogs with ≈51 % yield. The method can synthesize the novel 5′-methyl-D-LH2 and 4′,5′-dimethyl-D-LH2, which have never been synthesized or found in nature. 5′-Methyl-D-LH2 emits brighter and longer wavelength light than the D-LH2. Using HELP, we further developed LUMOS (Luminescence Measurement of Organophosphate and Derivatives) technol. for in situ detection of organophosphate pesticides (OPs) including parathion, methyl parathion, EPN, profenofos, and fenitrothion by coupling the reactions of OPs hydrolase and Fluc. The LUMOS technol. can detect these OPs at parts per trillion (ppt) levels. The method can directly detect OPs in food and biol. samples without requiring sample pretreatment.

Angewandte Chemie, International Edition published new progress about 2591-17-5. 2591-17-5 belongs to class thiazole, and the molecular formula is C11H8N2O3S2, HPLC of Formula: 2591-17-5.

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Abe, Hideki; Hikichi, Takuma; Emori, Kosuke; Yokosuka, Akihito; Mimaki, Yoshihiro; Kobayashi, Toyoharu; Ito, Hisanaka published the artcile< Total Synthesis of Catunaregin and Preliminary Evaluation of Its Antitumor Activity>, Reference of 171877-39-7, the main research area is catunaregin synthesis antitumor.

The total synthesis of catunaregin in both racemic and optically active forms was accomplished. The enantioselective synthesis uses the Evans aldol strategy, with an oxazolidinone or thiazolidinethione as the chiral auxiliary. The key features include a syn-selective aldol reaction to form the Evans-syn or non-Evans-syn product, and a successive ketalization reaction of a furanyl diol derivative under acidic conditions. The biol. properties of the synthetic racemate and both enantiomers were evaluated against A549 and HL-60 human cancer cells.

European Journal of Organic Chemistry published new progress about Aldol addition, stereoselective. 171877-39-7 belongs to class thiazole, and the molecular formula is C10H11NS2, Reference of 171877-39-7.

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Boga, C.; Del Vecchio, E.; Forlani, L.; Todesco, P. E. published the artcile< Tetrahalomethanes: simple reagents for the synthesis of monohalogenated and mixed dihalogenated aromatic heterocycles via metal-halogen exchange from lithium compounds>, Quality Control of 3034-56-8, the main research area is halogenation aromatic heterocycle; lithium halogen exchange aromatic heterocycle.

Tetrabromo- or tetrachloromethane and 2-lithio derivatives of aromatic heterocycles rapidly produce the corresponding 2-bromo or 2-chloro derivatives in high yields through a metal-halogen exchange mechanism. This kind of reaction was also used to obtain, in good yields, 5-bromo-2-chlorothiazole and 5-bromo-2-chloro-N-methylimidazole.

Journal of Organometallic Chemistry published new progress about Halogenation. 3034-56-8 belongs to class thiazole, and the molecular formula is C3HBrClNS, Quality Control of 3034-56-8.

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Stoneman, Michael R.; Raicu, Valerica published the artcile< Dielectric spectroscopy based detection of specific and nonspecific cellular mechanisms>, SDS of cas: 2591-17-5, the main research area is dielec spectroscopy GPCR ligand interaction intracellular transport; G protein-coupled receptor; GPCR; dielectric relaxation; dielectric spectroscopy; label-free detection; ligand binding.

Using radiofrequency dielec. spectroscopy, we have investigated the impact of the interaction between a G protein-coupled receptor (GPCR), the sterile2 α-factor receptor protein (Ste2), and its cognate agonist ligand, the α-factor pheromone, on the dielec. properties of the plasma membrane in living yeast cells (Saccharomyces cerevisiae). The dielec. properties of a cell suspension containing a saturating concentration of α-factor were measured over the frequency range 40 Hz-110 MHz and compared to the behavior of a similarly prepared suspension of cells in the absence of α-factor. A spherical three-shell model was used to determine the elec. phase parameters for the yeast cells in both types of suspensions. The relative permittivity of the plasma membrane showed a significant increase after exposure to α-factor (by 0.06 ± 0.05). The equivalent experiment performed on yeast cells lacking the ability to express Ste2 showed no change in plasma membrane permittivity. Interestingly, a large change also occurred to the elec. properties of the cellular interior after the addition of α-factor to the cell suspending medium, whether or not the cells were expressing Ste2. We present a number of different complementary experiments performed on the yeast to support these dielec. data and interpret the results in terms of specific cellular reactions to the presence of α-factor.

Sensors published new progress about Cell membrane. 2591-17-5 belongs to class thiazole, and the molecular formula is C11H8N2O3S2, SDS of cas: 2591-17-5.

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica