Month: December 2022

Gadakh, Bharat published the artcileBase substituted 5′-O-(N-isoleucyl)sulfamoyl nucleoside analogs as potential antibacterial agents, HPLC of Formula: 42074-68-0, the publication is Bioorganic & Medicinal Chemistry (2014), 22(10), 2875-2886, database is CAplus and MEDLINE.

Aminoacyl-sulfamoyl adenosines are well-known nano-molar inhibitors of the corresponding prokaryotic and eukaryotic tRNA synthetases in vitro. Inspired by the aryl-tetrazole containing compounds of Cubist Pharmaceuticals and the modified base as found in the natural antibiotic albomycin, the selectivity issue of the sulfamoylated adenosines prompted us to investigate the pharmacophoric importance of the adenine base. We therefore synthesized and evaluated several isoleucyl-sulfamoyl nucleoside analogs with either uracil, cytosine, hypoxanthine, guanine, 1,3-dideaza-adenine (benzimidazole) or 4-nitro-benzimidazole as the heterocyclic base. Based on the structure and antibacterial activity of microcin C, we also prepared their hexapeptidyl conjugates in an effort to improve their uptake potential. We further compared their antibacterial activity with the parent isoleucyl-sulfamoyl adenosine (Ile-SA), both in in vitro and in cellular assays. Surprisingly, the strongest in vitro inhibition was found for the uracil containing analog. Unfortunately, only very weak growth inhibitory properties were found as of low uptake. The results are discussed in the light of previous literature findings.

Bioorganic & Medicinal Chemistry published new progress about 42074-68-0. 42074-68-0 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Benzyl chloride,Benzene, name is 2-Chlorotrityl chloride, and the molecular formula is C19H14Cl2, HPLC of Formula: 42074-68-0.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Yaremchuk, A. A. published the artcileDevelopment of novel pharmaceutical forms of decamethoxin, Quality Control of 38146-42-8, the publication is Fiziologicheski Aktivnye Veshchestva (1991), 40-2, database is CAplus.

Decamethoxin, a quaternary ammonium compound, displayed high antibacterial activity against gram-pos. and gram-neg. pathogenic bacteria as well as anaerobic microorganisms, including Clostridium species. Decamethoxin was more active than other surface-active agents such as ethonium, thionium, dodecylpyridinium, cetylpyridinium, dodecylbenzalkonium, and cetylbenzalkonium. Decamethoxin may be used in the form of ointment and aerosol for treatment of skin and mucous membrane infections.

Fiziologicheski Aktivnye Veshchestva published new progress about 38146-42-8. 38146-42-8 belongs to chlorides-buliding-blocks, auxiliary class Achiral Phase-Transfer Catalysts, name is N1,N10-Bis(2-((2-isopropyl-5-methylcyclohexyl)oxy)-2-oxoethyl)-N1,N1,N10,N10-tetramethyldecane-1,10-diaminium chloride, and the molecular formula is C9H21NO3, Quality Control of 38146-42-8.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Roedl, Carmen B. published the artcileMulti-dimensional target profiling of N,4-diaryl-1,3-thiazole-2-amines as potent inhibitors of eicosanoid metabolism, Recommanded Product: 1-(4-Chlorophenyl)thiourea, the publication is European Journal of Medicinal Chemistry (2014), 302-311, database is CAplus and MEDLINE.

Eicosanoids like leukotrienes and prostaglandins play a considerable role in inflammation. Produced within the arachidonic acid (AA) cascade, these lipid mediators are involved in the pathogenesis of pain as well as acute and chronic inflammatory diseases like rheumatoid arthritis and asthma. With regard to the lipid cross-talk within the AA pathway, a promising approach for an effective anti-inflammatory therapy is the development of inhibitors targeting more than one enzyme of this cascade. Within this study, thirty N-4-diaryl-1,3-thiazole-2-amine based compounds with different substitution patterns were synthesized and tested in various cell-based assays to investigate their activity and selectivity profile concerning five key enzymes involved in eicosanoid metabolism (5-, 12-, 15-lipoxygenase (LO), cyclooxygenase-1 and -2 (COX-1/-2)). With compound ST-1355, 2-(4-phenylthiazol-2-ylamino)phenol, a multitarget ligand targeting all tested enzymes is presented, whereas compound ST-1705, 2-(4-(4-chlorophenyl)thiazol-2-ylamino)phenol, represents a potent and selective 5-LO and COX-2 inhibitor with an IC₅₀ value of 0.9±0.2 μM (5-LO) and a residual activity of 9.1±1.1% at 10 μM (COX-2 product formation). The promising characteristics and the addnl. noncytotoxic profile of both compounds reveal new lead structures for the treatment of eicosanoid-mediated diseases.

European Journal of Medicinal Chemistry published new progress about 3696-23-9. 3696-23-9 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Thiourea,Amine,Benzene,Amide, name is 1-(4-Chlorophenyl)thiourea, and the molecular formula is C7H7ClN2S, Recommanded Product: 1-(4-Chlorophenyl)thiourea.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Corley, L. S. published the artcileHaloaldehyde polymers. 16. Stabilization of anionically-prepared polychloral by end-capping with decomposable cations and other additives, Formula: C3H9ClOS, the publication is Polymer (1979), 20(12), 1535-47, database is CAplus.

Completely or partially stable polychloral [25154-92-1] was obtained by anionic cryotachensic polymerization of Cl₃CCHO in the presence of alkylating or acylating agents, e.g. Me₂SO₄ [77-78-1]. Stabilization was also effected by polymerization using salts with easily decomposed cations as anionic initiators. Sulfonium salts, e.g. Me₃S⁺Cl^– [3086-29-1] and [Me₂S⁺CH₂Ph]Br^– [14182-15-1], and iodonium salts, e.g. Ph₂I⁺Cl^– [1483-72-3], were effective although quant. stabilization was not achieved. Polychloral with improved stability was also obtained using certain amide acetals, e.g. Me₂NCH(OMe)₂ [4637-24-5], as initiators.

Polymer published new progress about 5034-06-0. 5034-06-0 belongs to chlorides-buliding-blocks, auxiliary class Salt,Aliphatic hydrocarbon chain, name is trimethyloxosulphonium chloride, and the molecular formula is C3H9ClOS, Formula: C3H9ClOS.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Sanin, P. I. published the artcileInteraction of antiwear additives with friction surfaces, Product Details of C5H10Cl3O3P, the publication is Wear (1974), 30(2), 249-56, database is CAplus.

A study of the effects of phosphonic acid esters on frictional wear under diverse loads and sliding speeds indicated that the efficiency of such phosphonates (I) as antiwear additives depends on their structure and varies with the frictional modes. Principal I were grouped as esters which are ineffective under both high and low loads (esters with no Cl atoms); esters effective under both high and low loads (CCl3-group containing esters); and esters effective under high or low loads. The interaction of I with steel has been studied. Dissimilarity in the efficiency of esters as lubricating oil additives is explained by their different adsorption and chem. actions.

Wear published new progress about 866-23-9. 866-23-9 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Diethyltrichloromethylphosphonate, and the molecular formula is C5H10Cl3O3P, Product Details of C5H10Cl3O3P.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Lashkhi, V. L. published the artcileAntiwear action of organophosphorus and chloroorganophosphorus compounds in lubricating oils, Category: chlorides-buliding-blocks, the publication is Khimiya i Tekhnologiya Topliv i Masel (1975), 47-50, database is CAplus.

Antiwear additives with high thermal adsorption properties, such as CCl3(CH2)6PO(OEt)2 [53280-04-9] were effective for friction at low contact loads and low sliding rates. Others, such as CCl3PO(OEt)2 [866-23-9], PhPO(OCH2CCl3)2 [18255-20-4], and CCl3PO(OBu)2 [5887-93-4], forming strong superficial films, were effective for high sp. loads and high velocities. The additive CCl3C6H4PO(OEt)2 [28652-49-5], had simultaneously high thermal adsorption and gave strong films. The higher the work function of the metal electron, the higher was the efficiency of the additive. The esters of phosphonic acids, with or without Cl and having low chem. activity for a metal, were ineffective antiwear additives.

Khimiya i Tekhnologiya Topliv i Masel published new progress about 866-23-9. 866-23-9 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Diethyltrichloromethylphosphonate, and the molecular formula is C5H10Cl3O3P, Category: chlorides-buliding-blocks.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Bhat, Navya Subray published the artcileHydrochloric acid-catalyzed coproduction of furfural and 5-(chloromethyl)furfural assisted by a phase transfer catalyst, Recommanded Product: N-Benzyl-N,N-dibutylbutan-1-aminium chloride, the publication is Carbohydrate Research (2020), 108105, database is CAplus and MEDLINE.

Furfural has been produced in 53% isolated yield from D-xylose within an aqueous HCl-1,2-dichloroethane biphasic reaction mixture using benzyltributylammonium chloride (BTBAC) as a phase transfer catalyst. The use of BTBAC noticeably improved the yield of furfural compared to that in the control reaction. The reaction was optimized on the reaction temperature, duration, concentration of HCl, and the loading of BTBAC. Furfural and 5-(chloromethyl)furfural (CMF) have also been coproduced from a mixture of pentose and hexose sugars. Under optimized conditions (100°C, 3 h, 20.2% HCl, 10 wt% BTBAC), CMF and furfural were isolated in 17% and 53% yield, resp., from a mixture of glucose and xylose. In addition, levulinic acid was isolated from the aqueous layer in 31% yield.

Carbohydrate Research published new progress about 23616-79-7. 23616-79-7 belongs to chlorides-buliding-blocks, auxiliary class Phase Transfer Catalyst, name is N-Benzyl-N,N-dibutylbutan-1-aminium chloride, and the molecular formula is C19H34ClN, Recommanded Product: N-Benzyl-N,N-dibutylbutan-1-aminium chloride.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Chandrasekhar, T. published the artcileSynthesis and biological evaluation of some new aryl acid N’-(1H-indazole-3-carbonyl)-hydrazide derivatives, Formula: C11H7ClFNO3, the publication is Journal of Chemical and Pharmaceutical Research (2012), 4(5), 2795-2802, database is CAplus.

Amide coupling of 1H-indazole-3-carboxylic acid hydrazide with substituted aryl acids affords thirteen novel Aryl acid N’-(1H-indazole-3-carbonyl)-hydrazide derivatives The acid hydrazide was synthesized by the hydrazine reaction with 1-H-indazole-3-carboxylic acid Me ester which was obtained by esterification of indazole-3-carboxylic acid.

Journal of Chemical and Pharmaceutical Research published new progress about 3919-74-2. 3919-74-2 belongs to chlorides-buliding-blocks, auxiliary class Isoxazole,Fluoride,Chloride,Carboxylic acid,Benzene, name is 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic acid, and the molecular formula is C11H7ClFNO3, Formula: C11H7ClFNO3.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Ravn, Anne K. published the artcileCarbon Isotope Labeling Strategy for β-Amino Acid Derivatives via Carbonylation of Azanickellacycles, COA of Formula: C7H13ClNNaO5S, the publication is Journal of the American Chemical Society (2019), 141(30), 11821-11826, database is CAplus and MEDLINE.

A series of 4-membered azametallacycles have been prepared by the oxidative addition of Ni(0) with aziridines. Stoichiometric ¹³C-labeled carbon monoxide could be efficiently incorporated via Ni-C bond insertion to generate air stable and isolable cyclic Ni-acyl complexes. Upon subjection to a range of C-, N-, O-, and S-nucleophiles, ¹³C-labeled β-amino acids and derivatives thereof, as well as β-aminoketones, could be rapidly accessed. The methodol. proved highly adaptable for the synthesis of the antidiabetic drug, sitagliptin, with a single carbon isotope label.

Journal of the American Chemical Society published new progress about 7080-50-4. 7080-50-4 belongs to chlorides-buliding-blocks, auxiliary class Halogenation Reagent,Inhibitor, name is Sodium chloro(tosyl)amide trihydrate, and the molecular formula is C7H13ClNNaO5S, COA of Formula: C7H13ClNNaO5S.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Vallejo-Montesinos, Javier published the artcileSynthesis and properties in solution of Gaussian homo asymmetric polysiloxanes with a bulky side group, Recommanded Product: Dichloro(hexyl)(methyl)silane, the publication is Journal of Inorganic and Organometallic Polymers and Materials (2012), 22(6), 1332-1340, database is CAplus.

The ring opening polymerization (ROP) of 1,3,5-trihexyl-1,3,5-trimethylcyclotrisiloxane (D⁶₃) and 1,3,5-triheptyl-1,3,5-trimethylcyclotrisiloxane (D⁷₃) was promoted by acid-treated synthetic silica-alumina to obtain Gaussian homo asym. polysiloxanes. The M_w was > 70 kg/mol, and the polymers were characterized using ²⁹Si NMR. The polymers were also characterized by measuring the refractive index, second virial coefficient (A₂), radius of gyration, weight-average mol. weight, number-average mol. weight and polydispersity using a gel permeation chromatog./light scattering (GPC/LS) coupled system. The A₂ exptl. value for the two polymers (between 4 and 6.5 × 10^-4 mol/mL g²) indicated that toluene was a good solvent.

Journal of Inorganic and Organometallic Polymers and Materials published new progress about 14799-94-1. 14799-94-1 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Dichloro(hexyl)(methyl)silane, and the molecular formula is C6H4ClNO2, Recommanded Product: Dichloro(hexyl)(methyl)silane.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics