Category: chlorides-buliding-blocks

Application of 498-95-3. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: Piperidine-3-carboxylic acid, is researched, Molecular C6H11NO2, CAS is 498-95-3, about Introduction of Cyclopropyl and Cyclobutyl Ring on Alkyl Iodides through Cobalt-Catalyzed Cross-Coupling.

A cobalt-catalyzed cross-coupling between alkyl iodides and cyclopropyl, cyclobutyl, and alkenyl Grignard reagents is disclosed. The reaction allows the introduction of strained rings on a large panel of primary and secondary alkyl iodides. The catalytic system is simple and nonexpensive, and the reaction is general, chemoselective, and diastereoconvergent. The alkene resulting from the cross-coupling can be transformed to substituted cyclopropanes using a Simmons-Smith reaction. The formation of radical intermediates during the coupling is hypothesized.

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Reference:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Related Products of 1968-05-4. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: 3,3′-Diindolylmethane, is researched, Molecular C17H14N2, CAS is 1968-05-4, about Indole-3-carbinol derivative DIM mitigates carbon tetrachloride-induced acute liver injury in mice by inhibiting inflammatory response, apoptosis and regulating oxidative stress.

3,3′-Diindolylmethane (DIM), a metabolic product of indole-3-carbinol extracted from cruciferous vegetables exhibits anti-inflammatory and anti-cancer properties. Earlier, the product has been demonstrated to possess anti-fibrotic properties; however, its protective effects on liver injury have not been clearly elucidated. In this study, we postulated the effects and mol. mechanisms of action of DIM on carbon tetrachloride (CCl4)-induced liver injury in mice. Acute liver injury was induced by a single i.p. administration of CCl4 (1 mL/kg) into mice. DIM was injected via s.c. route for three days at various doses (2.5, 5 and 10 mg/kg) before CCl4 injection. Mice were sacrificed and serum was collected for quantification of serum transaminases. The liver was collected and weighed. Treatment with DIM significantly reduced serum transaminases levels (AST and ALT), tumor necrosis factor-α (TNF-α) and reactive oxygen species (ROS). CCl4- induced apoptosis was inhibited by DIM treatment by the reduction in the levels of cleaved caspase-3 and Bcl2 associated X protein (Bax). DIM treated mice significantly restored Cytochrome P 450 2E1, nuclear factor erythroid 2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1) expression in CCl4 treated mice. In addition, DIM downregulated overexpression of hepatic nuclear factor kappa B (NF-κB) and inhibited CCl4 mediated apoptosis. Our results suggest that the protective effects of DIM against CCl4- induced liver injury are due to the inhibition of ROS, reduction of pro-inflammatory mediators and apoptosis.

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Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Electric Literature of C11H18O. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 2-((1R,5S)-6,6-Dimethylbicyclo[3.1.1]hept-2-en-2-yl)ethanol, is researched, Molecular C11H18O, CAS is 35836-73-8, about Hexabromoacetone and ethyl tribromoacetate: a highly efficient reagent for bromination of alcohol. Author is Tongkate, Pratoomrat; Pluempanupat, Wanchai; Chavasiri, Warinthorn.

A new and efficient method for the bromination of alcs. utilizing Br3CCOCBr3/PPh3 and Br3CCO2Et/PPh3 is described. Various alcs. can be converted smoothly into their corresponding alkyl bromides in high yields under mild conditions with short reaction times. Based upon 1H NMR studies using competitive reactions between selected brominating agents and Cl3CCN, Br3CCOCBr3 displays the highest reactivity approx. 9 times that of CBr4.

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Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Product Details of 12266-72-7. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: Diiodo(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12I2Pt, CAS is 12266-72-7, about Platinum(II) complexes of the tridentate thioether ligands RS(CH2)3S(CH2)3SR (R = Et, iPr, Ph). Structures of [PtCl(iPrS(CH2)3S(CH2)3SiPr)][BF4], [PtI(PhS(CH2)3S(CH2)3SPh)][BF4], and [Pt(PPh3)(iPrS(CH2)3S(CH2)3SiPr)][BF4]2·CH2Cl2.

The tridentate thioether ligands RS(CH2)3S(CH2)3SR (L1, R = Et; L2, R = iPr, L3, R = Ph) were synthesized by nucleophilic addition of thiolate, SR-, to the ditosylate TsO(CH2)3S(CH2)3OTs. [PtX(Ln)][BF4] were prepared by displacement of 1,5-COD from [PtX2(1,5-COD)] (X = Cl, I) in the presence of one equivalent of AgBF4 and one equivalent of thioether ligand. [PtCl(L2)][BF4] crystallized in the monoclinic space group P21/c with a 10.409(6), b 14.180(4), c 13.726(8) Å, β 104.49(4)°, and Z = 4. The structure refined to R = 5.62% and Rw = 6.86% for 2121 reflections with F°2 > 3σ(F°2). [PtI(L3)][BF4] crystallized in the monoclinic space group P21/n with a 13.415(4), b 12.350(5), c 14.316(5) Å, β 107.48(3)°, and Z = 4. The structure refined to R = 4.85% and Rw = 6.33% for 2168 reflections with F°2 > 3σ(F°2). In both compounds, the thioether ligand acts as a tridentate chelator occupying three of the four sites of the square-planar Pt(II) complex. Variable temperature 13C{1H} NMR verified that there are three possible stereoisomers for these complexes resulting from inversion at S: meso-A, meso-B, and racemic. Thermodn. parameters were calculated for the interconversion among isomers of [PtCl(L2)][BF4] by a full line-shape anal. Removal of the chloride ligand from [PtCl(L2)][BF4] with Ag+ in the presence of PPh3 yielded the phosphine adduct [Pt(PPh3)(L2)][BF4]2, which crystallized in the triclinic space group P1̅ with a 13.266(3), b 11.315(2), c 13.970(2) Å, α 106.04(2), β 84.95(2), γ 86.56(2)°, and Z = 2. The structure refined to R = 4.22% and Rw = 5.38% for 4493 reflections with F°2 > 3σ(F°2). Unlike the two halide complex structures, which crystallized in the meso-B form, [Pt(PPh3)(L2)][BF4]2 crystallized in the racemic form.

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Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

SDS of cas: 12266-72-7. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Diiodo(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12I2Pt, CAS is 12266-72-7, about Heteropolytopic phosphanylarylthiolato ligands: formation of cis isomers of nickel(II), palladium(II) and platinum(II) complexes with 1-P(Biph)-2-SHC6H4 (Biph = 1,1′-biphenyl-2,2′-diyl). Author is Hildebrand, Alexandra; Sarosi, Imola; Loennecke, Peter; Silaghi-Dumitrescu, Luminita; Sarosi, Menyhart B.; Silaghi-Dumitrescu, Ioan; Hey-Hawkins, Evamarie.

Reaction of the ditopic phosphanylarylthiol 1-P(Biph)-2-SHC6H4 (BiphPSH, Biph = 1,1′-biphenyl-2,2′-diyl), prepared by lithiation-electrophilic substitution, with NiCl2·6H2O, Na2[PdCl4] and [PtI2(cod)] (cod = 1,5-cyclooctadiene) in a 2:1 ratio and in the presence of NEt3 gave exclusively cis isomers of the square-planar complexes cis-[M{(1-P(Biph)-2-S-C6H4)-κ2S,P}2] ([M{(BiphPS)-κ2S,P}2]; M = Ni (1), Pd (2), Pt (3)). D. functional calculations support the assumption that this is probably due to intramol. π-π interaction of the biphenyl groups, which results in enhanced stability of the cis isomers. Compound 1 is the first example of a structurally characterized mononuclear cis-bis(phosphanylthiolato)nickel(II) complex. Small amounts of trinuclear [{PtI(1-P(Biph)-μ-2-S-C6H4-κ2S,P)}3] (4) are also formed besides the mononuclear Pt bis-chelate complex 3.

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Reference:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Computed Properties of C17H14N2. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 3,3′-Diindolylmethane, is researched, Molecular C17H14N2, CAS is 1968-05-4, about Pentafluorophenyl substitution of natural di(indol-3-yl)methane strongly enhances growth inhibition and apoptosis induction in various cancer cell lines. Author is Ahmad, Aamir; Dandawate, Prasad; Schruefer, Sebastian; Padhye, Subhash; Sarkar, Fazlul H.; Schobert, Rainer; Biersack, Bernhard.

Di(indol-3-yl)methane (=3,3′-methanediyldi(1H-indole), DIM, (1)) is a known weakly antitumoral compound formed by digestion of indole-3-carbinol (=1H-indol-3-ylmethanol), an ingredient of various Brassica vegetables. Out of a series of nine fluoroaryl derivatives of 1, three pentafluorophenyl derivatives 2c, 2h, and 2i were identified that exhibited a two to five times greater anti-proliferative effect and an increased apoptosis induction when compared with 1 in the following carcinoma cell lines: BxPC-3 pancreas, LNCaP prostate, C4-2B prostate, PC3 prostate and the triple-neg. MDA-MB-231 breast carcinoma. Compound 2h was particularly efficacious against androgen-refractory C4-2B prostate cancer cells (IC50=6.4 μM) and 2i against androgen-responsive LNCaP cells (IC50=6.2 μM). In addition, 2c and 2h exhibited distinct activity in three cancer cell lines resistant to 1.

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Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 3,3′-Diindolylmethane( cas:1968-05-4 ) is researched.Application In Synthesis of 3,3′-Diindolylmethane.Tsao, Chih-Wei; Li, Jia-Sin; Lin, Ya-Wen; Wu, Sheng-Tang; Cha, Tai-Lung; Liu, Chin-Yu published the article 《Regulation of carcinogenesis and mediation through Wnt/β-catenin signaling by 3,3-diindolylmethane in an enzalutamide-resistant prostate cancer cell line》 about this compound( cas:1968-05-4 ) in Scientific Reports. Keywords: enzalutamide Wnt diindolylmethane prostate cancer cell carcinogenesis. Let’s learn more about this compound (cas:1968-05-4).

Enzalutamide (ENZ) is an important drug used to treat castration-resistant prostate cancer (CRPC), which inhibits androgen receptor (AR) signaling. Previous study showed that 3,3-diindolylmethane (DIM) is an AR antagonist that also inhibits Wnt signaling and epithelial-mesenchymal transition (EMT). To investigate whether combined treatment with ENZ and DIM can overcome ENZ resistance by regulating Wnt signaling to inhibit AR signaling and EMT in ENZ-resistant prostate cancer cells, 22Rv1 cells were cultured in normal medium and treated with ENZ, DIM, and DIM with ENZ. Exposure of ENZ-resistant cells to both DIM and ENZ significantly inhibited cell proliferation without cytotoxicity and invasion in comparison with the control. DIM significantly increased the E-cadherin expression and inhibited the expressions of Vimentin and Fibronectin, subsequently inhibiting EMT. Co-treatment with ENZ and DIM significantly increased the expressions of GSK3β and APC and decreased the β-catenin protein expression, causing inhibition of Wnt signaling and AR expression, it also significantly decreased the AR-v7 expression and down-regulated AR signaling. Via suppression of Wnt and AR signaling, co-treatment increased the E-cadherin and decreased the Vimentin and Fibronectin RNA and protein expressions, then inhibited EMT. Co-treatment with DIM and ENZ regulated Wnt signaling to reduce not only the AR expression, but also the AR-v7 expression, indicating suppression of EMT that inhibits cancer cell proliferation, invasion and migration to ameliorate ENZ resistance.

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Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Reference of 2-((1R,5S)-6,6-Dimethylbicyclo[3.1.1]hept-2-en-2-yl)ethanol. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 2-((1R,5S)-6,6-Dimethylbicyclo[3.1.1]hept-2-en-2-yl)ethanol, is researched, Molecular C11H18O, CAS is 35836-73-8, about B-Iso-2-(2-diethylaminoethyl)apopinocampheyl-9-borabicyclo[3.3.1]nonyl hydride – an improved chiral reducing agent for straight chain aliphatic ketones. Author is Weissman, Steven A.; Ramachandran, P. Veeraraghavan.

A series of chirally modified borohydrides of the type lithium B-iso-2-(alkyl)apopinocampheyl-9-borabicyclo[3.3.1]nonyl hydride were prepared to enable a strategic development of chiral reagents for the reduction of straight chain aliphatic ketones. The reagent (alkyl = 2-diethylaminoethyl) reduces 2-octanone in 82% ee, significantly higher than that obtained with NB-Enantride under identical conditions. An improved methodol. for these reductions is also described.

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Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 35836-73-8, is researched, Molecular C11H18O, about Induction of UDP-glucuronosyltransferase isozymes in male and female rat liver microsomes by an isoquinoleine derivative (52028 RP), the main research direction is isoquinoleine 52028 RP UDP glucuronosyltransferase liver.Name: 2-((1R,5S)-6,6-Dimethylbicyclo[3.1.1]hept-2-en-2-yl)ethanol.

The peripheral benzodiazepine antagonist 52028 RP enhanced the glucuronidation of all substrates studied except androsterone in liver microsomes from female or male rats. Some differences were seen based on sex.

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Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Synthetic Route of C8H11NO2. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: 1-(tert-Butyl)-1H-pyrrole-2,5-dione, is researched, Molecular C8H11NO2, CAS is 4144-22-3, about Synthesis and polymerization of unsaturated dibasic acid derivatives. 20. Effect of alkyl substituents in the radical copolymerization of N-alkylmaleimides.

In the copolymerization of Me methacrylate (M1) [80-62-6] with N-alkylmaleimides (I, = Me, Et, iso-Pr, Bu, iso-Bu, tert-Bu, ClC2H4, PhCH2, PhC2H4) the Taft polar reactivity constants (ρ* for the dependence of 1/r1 on R .sim. -0.2. Little effect of substituents was observed in the copolymerization of vinyl acetate [108-05-4] with I.

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Chloride – Wikipedia,
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