Month: December 2022

Burkhard, C. A. published the artcileAlkylation of hydrochlorosilanes, Computed Properties of 14799-94-1, the publication is Journal of the American Chemical Society (1947), 2687-9, database is CAplus.

HSiCl₃ adds with ease to olefinic double bonds in the presence of peroxides or ultraviolet light; the reaction appears to proceed exclusively by the addition of the SiH bond. In general, 0.5 or 0.75 mole olefin was used with 1 mole of the chlorosilane and 0.013-0.026 mole of peroxide (30% Ac₂O₂ in o-C₆H₄(CO₂Me)₂ used unless otherwise indicated); this mixture was heated 4-24 hrs. at 70-100°. 1-Pentene and HSiCl₃ give 73% AmSiCl₃, b. 166-9°, and MeHSiCl₂ gives 37% pentylmethyldichlorosilane, b. 164-8°. 2-Pentene and MeHSiCl₂ give 71% 2-pentylmethyldichlorosilane, b₁₀₀ 100°. Cyclohexene and HSiCl₃ give 64% cyclohexyltrichlorosilane, b. 199°; iso-C₄H₈ and HSiCl₃ (tert-Bu perbenzoate as catalyst) give iso-BuSiCl₃, b. 136°. CH₂:CHSiCl₃ (I) and HSiCl₃ give 19% (CH₂SiCl₃)₂, b. 199°; this results in 3% yield from C₂H₂ (Bz₂O₂ as catalyst), I being postulated as an intermediate. CH₂:CHCH₂SiCl₃ and HSiCl₃ give 83% 1,3-bis(trichlorosilyl)propane, b₂₀ 111°. HSiCl₃ (135 g.) and 78 g. uninhibited PhCH:CH₂, heated 4 hrs. at 100°, give 70 g. of a glassy solid; alc.-NaOH gives no H, indicating that Si-C bonds had been formed.

Journal of the American Chemical Society 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 C7H16Cl2Si, Computed Properties of 14799-94-1.

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

Burkhard, C. A. published the artcileAlkylation of hydrochlorosilanes, HPLC of Formula: 14799-93-0, the publication is Journal of the American Chemical Society (1947), 2687-9, database is CAplus.

HSiCl₃ adds with ease to olefinic double bonds in the presence of peroxides or ultraviolet light; the reaction appears to proceed exclusively by the addition of the SiH bond. In general, 0.5 or 0.75 mole olefin was used with 1 mole of the chlorosilane and 0.013-0.026 mole of peroxide (30% Ac₂O₂ in o-C₆H₄(CO₂Me)₂ used unless otherwise indicated); this mixture was heated 4-24 hrs. at 70-100°. 1-Pentene and HSiCl₃ give 73% AmSiCl₃, b. 166-9°, and MeHSiCl₂ gives 37% pentylmethyldichlorosilane, b. 164-8°. 2-Pentene and MeHSiCl₂ give 71% 2-pentylmethyldichlorosilane, b₁₀₀ 100°. Cyclohexene and HSiCl₃ give 64% cyclohexyltrichlorosilane, b. 199°; iso-C₄H₈ and HSiCl₃ (tert-Bu perbenzoate as catalyst) give iso-BuSiCl₃, b. 136°. CH₂:CHSiCl₃ (I) and HSiCl₃ give 19% (CH₂SiCl₃)₂, b. 199°; this results in 3% yield from C₂H₂ (Bz₂O₂ as catalyst), I being postulated as an intermediate. CH₂:CHCH₂SiCl₃ and HSiCl₃ give 83% 1,3-bis(trichlorosilyl)propane, b₂₀ 111°. HSiCl₃ (135 g.) and 78 g. uninhibited PhCH:CH₂, heated 4 hrs. at 100°, give 70 g. of a glassy solid; alc.-NaOH gives no H, indicating that Si-C bonds had been formed.

Journal of the American Chemical Society published new progress about 14799-93-0. 14799-93-0 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Dichloro(methyl)(octyl)silane, and the molecular formula is C9H20Cl2Si, HPLC of Formula: 14799-93-0.

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

Hachey, D. L. published the artcileQuantitative analysis of methadone in biological fluids using deuterium-labeled methadone and GLC-chemical-ionization mass spectrometry, Category: chlorides-buliding-blocks, the publication is Journal of Pharmaceutical Sciences (1977), 66(11), 1579-82, database is CAplus and MEDLINE.

The (+)-, (-)-, and (±)-²H₅-methadones which contained 5 deuterium atoms in 1 aromatic ring, were synthesized for use in clin. pharmacol. studies and as internal standards GLC-chem.-ionization mass spectrometry was used to determine plasma and urinary methadone [76-99-3] levels by an inverse isotope dilution assay. Plasma drug levels could be determined to 10 pmol/mL, and urine levels could be measured to 5 pmol/mL. Plasma methadone levels were examined in several patients undergoing methadone maintenance therapy. These levels generally ranged between 100 and 400 ng/mL (320-1300 pmol/mL) after an average oral dose of 1 mg/kg/day. The methadone half-life was 28.8 h.

Journal of Pharmaceutical Sciences published new progress about 4584-49-0. 4584-49-0 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Salt,Amine,Aliphatic hydrocarbon chain, name is 2-Chloro-N,N-dimethylpropan-1-amine hydrochloride, and the molecular formula is C5H13Cl2N, Category: chlorides-buliding-blocks.

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

Adarchenko, A. A. published the artcileSensitivity of clinical Pseudomonas aeruginosa strains to antiseptics, Safety of N1,N10-Bis(2-((2-isopropyl-5-methylcyclohexyl)oxy)-2-oxoethyl)-N1,N1,N10,N10-tetramethyldecane-1,10-diaminium chloride, the publication is Antibiotiki i Khimioterapiya (1989), 34(12), 902-7, database is CAplus and MEDLINE.

MICs, the frequency of clin. and statistic resistance, and the antiseptic activity index were studied in a complex of outpatient and hospital ecovars of P. aeruginosa. The forms resistant to a number of antiseptics, i.e., chloramine B, chlorhexidine, decamethoxine, and dioxidine, whose frequency eventually increased were shown to be widely distributed. The antiseptic sensitivity spectrum was more narrow and more heterogeneous than that of other bacteria, the heterogeneity level being dependent on the antiseptic type and bacterial ecovar. The activity of pervomur, phenol, resorcinol, and boric acid was high against the clin. strains of P. aeruginosa, while iodopyrine, sulfacetamide sodium, and dioxidine were less active. The P. aeruginosa strains had natural resistance to cetylpyridinium chloride roccal, ethonium, sodium laurate, SDS, and rivanol. It was recommended to assay antiseptic sensitivity of agents causing purulent inflammatory infections and to control circulation of antiseptic-resistant variants of bacteria in hospitals.

Antibiotiki i Khimioterapiya 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 C38H74Cl2N2O4, Safety of N1,N10-Bis(2-((2-isopropyl-5-methylcyclohexyl)oxy)-2-oxoethyl)-N1,N1,N10,N10-tetramethyldecane-1,10-diaminium chloride.

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

Derhamine, Sary Abou published the artcileNickel-Catalyzed Mono-Selective α-Arylation of Acetone with Aryl Chlorides and Phenol Derivatives, Recommanded Product: Ethyl 2-(4-chlorophenoxy)-2-methylpropanoate, the publication is Angewandte Chemie, International Edition (2020), 59(43), 18948-18953, database is CAplus and MEDLINE.

The challenging nickel-catalyzed mono-α-arylation of acetone with aryl chlorides, pivalates, and carbamates was achieved for the first time. A nickel/Josiphos-based catalytic system is shown to feature unique catalytic behavior, allowing the highly selective formation of the desired mono-α-arylated acetone. The developed methodol. was applied to a variety of (hetero)aryl chlorides including biol. relevant derivatives The methodol. was extended to the unprecedented coupling of acetone with phenol derivatives Mechanistic studies allowed the isolation and characterization of key Ni⁰ and Ni^II catalytic intermediates. The Josiphos ligand is shown to play a key role in the stabilization of Ni^II intermediates to allow a Ni⁰/Ni^II catalytic pathway. Mechanistic understanding was then leveraged to improve the protocol using an air-stable Ni^II pre-catalyst.

Angewandte Chemie, International Edition published new progress about 637-07-0. 637-07-0 belongs to chlorides-buliding-blocks, auxiliary class Inhibitor,Cell Cycle,PPAR, name is Ethyl 2-(4-chlorophenoxy)-2-methylpropanoate, and the molecular formula is C12H15ClO3, Recommanded Product: Ethyl 2-(4-chlorophenoxy)-2-methylpropanoate.

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

Prevost, Julien R. C. published the artcileConvenient one-pot formation of highly functionalized 5-bromo-2-aminothiazoles, potential endocannabinoid hydrolase MAGL inhibitors, Product Details of C7H7ClN2S, the publication is Tetrahedron Letters (2018), 59(49), 4315-4319, database is CAplus.

Highly functionalized 5-bromo-2-amino-1,3-thiazoles bearing various substituents could be easily prepared by a rapid and efficient one-pot method, using simple starting materials and mild conditions while avoiding the use of metal catalysts or inconvenient reagents such as elemental halogens. These useful products can serve as starting materials for other reactions or as pharmacol. interesting compounds In our work we have shown that the resulting 5-bromothiazole compounds could lead to monoacylglycerol lipase (MAGL) inhibition in the μM range.

Tetrahedron Letters 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, Product Details of C7H7ClN2S.

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

Silina, E. B. published the artcileα-Bromoalkyl isocyanates and their phosphorylated derivatives, Computed Properties of 18791-02-1, the publication is Zhurnal Obshchei Khimii (1989), 59(3), 571-86, database is CAplus.

Reaction of Br₃CNCO with ROPX₂ (R = Me, Et, X = Cl; R = Bu, X = F) in the presence of FeCl₃ gave 27-58% X₂P(O)CBr₂NCO. Arbuzov reaction of BrCH₂CHBrNCO with (R¹O)₃P (R¹ = Et, Me) or with halophosphites (EtO)₂PX (X = Cl, F) or EtOPX₂ (X = Cl, F) gave (R¹O)₂P(O)CH(CH₂Br)NCO (I; same R¹), 40-60% EtOPX(O)CH(CH₂Br)NCO (II; same X), or 54-72% X₂P(O)CH(CH₂Br)NCO (III; same X), resp. Treating I (R¹ = Et) and II–III with Et₃N gave 48-75% ethylene isocyanates (EtO)_n(X)_2-nP(O)C(:CH₂)NCO (IV; n = 0-2; X = Cl, F), which when treated with Br₂ gave 33-68% (EtO)_n(X)_2-nP(O)CBr(CH₂Br)NCO (V). Reaction of III (X = Cl) or IV (n = 0; X = Cl) with R²OH (R² = Me, Et) and Et₃N gave 73-87% carbamates (R²O)₂P(O)C(:CH₂) NHCO₂R. III (X = F) and IV (n = 0, X = F) reacted with PhNH₂ to give 65-81% anilides F₂P(O)CH(CH₂Br)NHCONHPh and F₂P(O)C(:CH₂)NHCONHPh, resp. ¹H, ¹⁹F, and ³¹P NMR spectra of III–V are discussed.

Zhurnal Obshchei Khimii published new progress about 18791-02-1. 18791-02-1 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is 2,3-Dibromopropionylchloride, and the molecular formula is C10H9N3O, Computed Properties of 18791-02-1.

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

Kathan, Michael published the artcileControl of Imine Exchange Kinetics with Photoswitches to Modulate Self-Healing in Polysiloxane Networks by Light Illumination, Recommanded Product: 5-Chloro-3-[2-(5-chloro-2-methylthien-3-yl)cyclopent-1-en-1-yl]-2-methylthiophene, the publication is Angewandte Chemie, International Edition (2016), 55(44), 13882-13886, database is CAplus and MEDLINE.

Various aldehyde-containing photoswitches have been developed whose reactivity toward amines can be controlled externally. A thermally stable bifunctional diarylethene, which in its ring-closed form exhibits imine formation accelerated by one order of magnitude, was used as a photoswitchable crosslinker and mixed with a com. available amino-functionalized polysiloxane to yield a rubbery material with viscoelastic and self-healing properties that can be reversibly tuned by irradiation

Angewandte Chemie, International Edition published new progress about 219537-97-0. 219537-97-0 belongs to chlorides-buliding-blocks, auxiliary class Fused/Partially Saturated Cycles,Cyclopentenes, name is 5-Chloro-3-[2-(5-chloro-2-methylthien-3-yl)cyclopent-1-en-1-yl]-2-methylthiophene, and the molecular formula is C15H14Cl2S2, Recommanded Product: 5-Chloro-3-[2-(5-chloro-2-methylthien-3-yl)cyclopent-1-en-1-yl]-2-methylthiophene.

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

Karpina, Veronika R. published the artcileA novel series of [1,2,4]triazolo[4,3-a]pyridine sulfonamides as potential antimalarial agents: in silico studies, synthesis and in vitro evaluation, Recommanded Product: 3-Chlorobenzylchloride, the publication is Molecules (2020), 25(19), 4485, database is CAplus and MEDLINE.

For the development of new and potent antimalarial drugs, the virtual library with three points of randomization of novel [1,2,4]triazolo[4,3-a]pyridines bearing a sulfonamide fragment, e.g., I has been described. The library of 1561 compounds has been investigated by both virtual screening and mol. docking methods using falcipain-2 as a target enzyme. 25 Chosen hits were synthesized and evaluated for their antimalarial activity in vitro against Plasmodium falciparum. 3-Ethyl-N-(3-fluorobenzyl)-N-(4-methoxyphenyl)-[1,2,4]triazolo[4,3-a]pyridine-6-sulfonamide and 2-(3-chlorobenzyl)-8-(piperidin-1-ylsulfonyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one showed in vitro good antimalarial activity with inhibitory concentration IC₅₀ = 2.24 and 4.98μM, resp. This new series of compounds may serve as a starting point for future antimalarial drug discovery programs.

Molecules published new progress about 620-20-2. 620-20-2 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Benzyl chloride,Benzene, name is 3-Chlorobenzylchloride, and the molecular formula is C7H6Cl2, Recommanded Product: 3-Chlorobenzylchloride.

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

Karpina, V. R. published the artcileThe synthesis and biological assessment of [[1,2,4]triazolo[4,3-a]pyridine-3-yl]acetamides with an 1,2,4-oxadiazole cycle in positions 6, 7 and 8, SDS of cas: 6313-54-8, the publication is Zhurnal Organichnoi ta Farmatsevtichnoi Khimii (2019), 17(1), 28-35, database is CAplus.

A novel method was developed for the synthesis of 32 analogs of 2-[(1,2,4-oxadiazol-5-yl)-[1,2,4]triazolo[4,3-a]pyridine-3-yl]acetamides and biol. assessment was conducted. A convenient scheme for the synthesis of the title compounds started from com. available 2-chloropyridine-3-/4-/5-carboxylic acids with amidoximes to form the corresponding 2-chloro-[1,2,4-oxadiazol-5-yl]pyridines then followed by the hydrazinolysis with an excess of hydrazine hydrate. The process continued via the ester formation with the pyridine ring closure, followed by amide formation. A series of new 2-[6/7/8-(1,2,4-oxadiazol-5-yl)[1,2,4]triazolo[4,3-a]pyridine-3-yl]acetamides were obtained in good yields and their structures were proved by the method of ¹H NMR spectroscopy. The prognosis and study of their pharmacol. activity were also conducted. The synthetic approach of obtaining the representatives of 2-[(1,2,4-oxadiazol-5-yl)-[1,2,4] triazolo[4,3-a]pyridine-3-yl]acetamides previously unknown can be used as an applicable method for the synthesis of diverse functionalized [1,2,4]triazolo[4,3-a]pyridine derivatives

Zhurnal Organichnoi ta Farmatsevtichnoi Khimii published new progress about 6313-54-8. 6313-54-8 belongs to chlorides-buliding-blocks, auxiliary class Pyridine,Chloride,Carboxylic acid, name is 2-Chloroisonicotinic acid, and the molecular formula is C6H4ClNO2, SDS of cas: 6313-54-8.

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