Category: chlorides-buliding-blocks

Flaherty, Daniel P.; Simpson, Denise S.; Miller, Melissa; Maki, Brooks E.; Zou, Beiyan; Shi, Jie; Wu, Meng; McManus, Owen B.; Aube, Jeffrey; Li, Min; Golden, Jennifer E. published the artcile< Potent and selective inhibitors of the TASK-1 potassium channel through chemical optimization of a bis-amide scaffold>, Recommanded Product: 2-(Trifluoromethoxy)benzoyl chloride, the main research area is bis amide derivative preparation TASK1 potassium channel inhibitor; Bis-amide; KCNK3; Selective potassium channel inhibitor; TASK1.

TASK-1 is a two-pore domain potassium channel that is important to modulating cell excitability, most notably in the context of neuronal pathways. In order to leverage TASK-1 for therapeutic benefit, its physiol. role needs better characterization; however, designing selective inhibitors that avoid the closely related TASK-3 channel has been challenging. In this study, a series of bis-amide derived compounds were found to demonstrate improved TASK-1 selectivity over TASK-3 compared to reported inhibitors. Optimization of a marginally selective hit led to analog 35 which displays a TASK-1 IC50 = 16 nM with 62-fold selectivity over TASK-3 in an orthogonal electrophysiol. assay.

Bioorganic & Medicinal Chemistry Letters published new progress about Structure-activity relationship. 162046-61-9 belongs to class chlorides-buliding-blocks, and the molecular formula is C8H4ClF3O2, Recommanded Product: 2-(Trifluoromethoxy)benzoyl chloride.

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

Jiang, Quanbin; Li, Huimin; Zhao, Xiaodan published the artcile< Catalytic Electrophilic Thiocarbocyclization of Allenes>, Electric Literature of 128-09-6, the main research area is indene sulfide preparation regioselective; allene sulfur reagent electrophilic thiocarbocyclization selenide catalyst.

An efficient approach via catalytic electrophilic thiocarbocyclization of allenes (3-R-4-R1C6H4)(R2)C=C=CR3 (R = H, F; R1 = H, Me, Cl, F, CN; R2 = Me, Et, Ph; R3 = n-Pr, Ph, 2-methoxyphenyl, 4-bromophenyl, etc.) to construct indene-based sulfides I (R4 = n-Pr, hexyl, Ph, Bn, etc.) with excellent regioselectivities is disclosed. The reactions were carried out at low temperatures by selenide catalysis in the presence of TMSOTf. Not only electrophilic arylthio reagents II (R4 = Ph, 2-methylphenyl, 4-methylphenyl, 4-fluorophenyl, Bn) but also electrophilic alkylthio reagents II (R4 = n-Pr, hexyl, 3-methylbutyl, 3-chloropropyl) worked well under these conditions. Furthermore, the method could be applied to intermol. azidothiolation of allenes.

Organic Letters published new progress about Allenes Role: RCT (Reactant), RACT (Reactant or Reagent). 128-09-6 belongs to class chlorides-buliding-blocks, and the molecular formula is C4H4ClNO2, Electric Literature of 128-09-6.

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

Shahzadi, Tayyaba; Saleem, Rahman S. Z.; Chotana, Ghayoor A. published the artcile< Facile Synthesis of Halogen Decorated para-/meta-Hydroxybenzoates by Iridium-Catalyzed Borylation and Oxidation>, Name: Methyl 2,3-dichlorobenzoate, the main research area is para meta hydroxybenzoate preparation; benzoate ester boronic ester borylation oxidation iridium catalyst.

In this report, a facile preparation of 2,6- and 2,3-disubstituted 4/5-hydroxybenzoates by iridium-catalyzed borylation of resp. disubstituted benzoate esters followed by oxidation is described. This synthetic route allows for the incorporation of halogens in the final hydroxybenzoates with substitution patterns not readily accessible by the traditional routes of aromatic functionalization.

Synthesis published new progress about Aromatic esters Role: RCT (Reactant), SPN (Synthetic Preparation), RACT (Reactant or Reagent), PREP (Preparation). 2905-54-6 belongs to class chlorides-buliding-blocks, and the molecular formula is C8H6Cl2O2, Name: Methyl 2,3-dichlorobenzoate.

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

Verbicky, John W. Jr.; Dellacoletta, Brent A.; Williams, Louella published the artcile< Palladium catalyzed decarbonylation of aromatic acyl chlorides>, Safety of 5-Chloroisobenzofuran-1,3-dione, the main research area is chlorophthalic anhydride; trimellitic anhydride acid chloride decarbonylation; decarbonylation aroyl chloride palladium catalyst; benzoyl chloride decarbonylation palladium catalyst; chlorobenzene.

At 265-360°, a variety of aromatic acyl chlorides can be rapidly decarbonylated to the corresponding aromatic chlorides in the gas phase or in the melt in moderate-to-excellent yield using 5% Pd/C, Pd(PPh3)4, or PdCl2 as a catalyst. E.g., trimellitic anhydride acid chloride in the melt with 5% Pd/C at 310° for 2 h gave 100% 4-chlorophthalic anhydride. 4-RC6H4COCl (R = H, Cl, CN, MeO, Me) with 5% Pd/C at 360° (gas phase) gave 18-98% 4-RC6H4Cl (R as before).

Tetrahedron Letters published new progress about Aryl chlorides Role: RCT (Reactant), RACT (Reactant or Reagent). 118-45-6 belongs to class chlorides-buliding-blocks, and the molecular formula is C8H3ClO3, Safety of 5-Chloroisobenzofuran-1,3-dione.

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

Hutchinson, George; Alamillo-Ferrer, Carla; Bures, Jordi published the artcile< Mechanistically Guided Design of an Efficient and Enantioselective Aminocatalytic α-Chlorination of Aldehydes>, Product Details of C4H4ClNO2, the main research area is aldehyde NCS Jorgensen Hayashi catalyst regioselective chlorination; chloro aldehyde stereoselective preparation.

The enantioselective aminocatalytic α-chlorination of aldehydes is a challenging reaction because of its tendency to proceed through neutral intermediates in unselective pathways. Herein we report the rational shift to a highly selective reaction pathway involving charged intermediates using hexafluoroisopropanol as solvent. This change in mechanism has enabled us to match and improve upon the yields and enantioselectivities displayed by previous methods while using cheaper aminocatalysts and chlorinating agents, 80-95% less amount of catalyst, convenient temperatures, and shorter reaction times.

Journal of the American Chemical Society published new progress about Aldehydes Role: RCT (Reactant), RACT (Reactant or Reagent). 128-09-6 belongs to class chlorides-buliding-blocks, and the molecular formula is C4H4ClNO2, Product Details of C4H4ClNO2.

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

Wu, Xishan; Shen, Hui; Zhang, Yan; Wang, Chao; Li, Qiu; Zhang, Cheng; Zhuang, Xiaoxi; Li, Chenchang; Shi, Yudan; Xing, Yanli; Xiang, Qiuping; Xu, Jinxin; Wu, Donghai; Liu, Jinsong; Xu, Yong published the artcile< Discovery and Characterization of Benzimidazole Derivative XY123 as a Potent, Selective, and Orally Available RORγ Inverse Agonist>, Formula: C7H7ClO4S2, the main research area is benzimidazole derivative XY123 ROR gamma inverse agonist.

Receptor-related orphan receptor γ (RORγ) has emerged as an attractive therapeutic target for the treatment of cancer and inflammatory diseases. Herein, we report our effort on the discovery, optimization, and evaluation of benzothiazole and benzimidazole derivatives as novel inverse agonists of RORγ. The representative compound 27h (designated as XY123) (I) potently inhibited the RORγ transcription activity with a half-maximal inhibitory concentration (IC50) value of 64 nM and showed excellent selectivity against other nuclear receptors. 27H also potently suppressed cell proliferation, colony formation, and the expression of androgen receptor (AR)-regulated genes in AR-pos. prostate cancer cell lines. In addition, 27h demonstrated good metabolic stability and a pharmacokinetic property with reasonable oral bioavailability (32.41%) and moderate half-life (t1/2 = 4.98 h). Significantly, oral administration of compound 27h achieved complete and long-lasting tumor regression in the 22Rv1 xenograft tumor model in mice. Compound 27h may serve as a new valuable lead compound for further development of drugs for the treatment of prostate cancer.

Journal of Medicinal Chemistry published new progress about Androgen receptors Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 5335-40-0 belongs to class chlorides-buliding-blocks, and the molecular formula is C7H7ClO4S2, Formula: C7H7ClO4S2.

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

Guerrand, Helene D. S.; Vaultier, Michel; Pinet, Sandra; Pucheault, Mathieu published the artcile< Amine-Borane Complexes: Air- and Moisture-Stable Partners for Palladium-Catalyzed Borylation of Aryl Bromides and Chlorides>, Category: chlorides-buliding-blocks, the main research area is amine borane complex air moisture stable palladium catalyzed borylation; hetero aryl bromide chloride triflate iodide palladium catalyzed borylation; aminoborane preparation; boronium ion preparation deprotonation; boronic acid derivative preparation.

A method for using amine-borane complexes directly in palladium catalyzed borylation has been developed. The reaction proceeds through the sequential formation of a boronium species followed by deprotonation leading to the aminoborane. This reagent is then directly used in the borylation process leading, after work-up, to various boronic acid derivatives The reaction was applied to (hetero)aryl triflates, iodides, bromides and chlorides.

Advanced Synthesis & Catalysis published new progress about Aryl halides Role: RCT (Reactant), RACT (Reactant or Reagent). 1435-43-4 belongs to class chlorides-buliding-blocks, and the molecular formula is C6H3ClF2, Category: chlorides-buliding-blocks.

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

Hong, Xi; Zhou, Quan; Huang, Shuang; Cui, He-Zhen; Li, Zhi-Ming; Hou, Xiu-Feng published the artcile< Transition metal catalyzed C7 and ortho-selective halogenation of 2-arylbenzo[d]oxazoles>, Application In Synthesis of 128-09-6, the main research area is halosuccinimide phenyl benzoxazole rhodium catalyst regioselective halogenation; halophenyl benzoxazole preparation; phenyl halo benzoxazole preparation.

A transition metal catalyzed chlorination, bromination and iodination of 2-arylbenzo[d]oxazole with N-halosuccinimide, in which ruthenium-catalyzed halogenation occurred on the C7-position and rhodium-catalyzed halogenation occurred on the ortho-position. The C7 halogenation was only observed for 5-methyl-2-(p-substituted)arylbenzo[d]oxazoles under rhodium catalysis. Preliminary mechanistic experiments and d. functional theory (DFT) calculations suggested that the C7-halogenation catalyzed by Ru might have a single-electron-transfer (SET) radical process, while the ortho-selective halogenation catalyzed by Rh proceeds probably through a redox-neutral SN2-type mechanism. The different selectivity of Rh catalyzed halogenation was due to the charge difference between benzo[d]oxazolyl and aryl rings. The two kinds of halogenated products were proved to be versatile by constructing aryl and alkynyl groups on the C-X site via Suzuki and Sonogashira cross-coupling reactions.

Organic Chemistry Frontiers published new progress about Benzoxazoles Role: PRP (Properties), RCT (Reactant), SPN (Synthetic Preparation), RACT (Reactant or Reagent), PREP (Preparation). 128-09-6 belongs to class chlorides-buliding-blocks, and the molecular formula is C4H4ClNO2, Application In Synthesis of 128-09-6.

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

Sun, Bin; Shi, Xiayue; Zhuang, Xiaohui; Huang, Panyi; Shi, Rongcheng; Zhu, Rui; Jin, Can published the artcile< Photoinduced EDA Complexes Enabled Radical Tandem Cyclization/Arylation of Unactivated Alkene with 2-Amino-1,4-naphthoquinones>, Category: chlorides-buliding-blocks, the main research area is oxopyrrolidinyl arylamino naphthalenedione preparation photochem regioselective green chem; amino naphthoquinone allyl bromo difluoroacetamide cyclization arylation EDA complex.

A visible-light-induced radical tandem cyclization/arylation between 2-amino-1, 4-naphthoquinone and N-allyl-2-bromo-2,2-difluoroacetamides has been developed without an external photocatalyst. The transformation could be carried out at room temperature and gave a variety of C-3-functionalized 2-amino-1,4-naphthoquinone derivatives I (R1 = Ph, 4-MeOC6H4, 2-MeC6H4, etc.; R2 = H, 4-i-Pr, 3-Br, etc.) in moderate to excellent yields. Moreover, mechanistic studies revealed that the reaction is driven by the formation of an electron donor-acceptor (EDA) complex.

Organic Letters published new progress about Anilines Role: RCT (Reactant), RACT (Reactant or Reagent). 29027-20-1 belongs to class chlorides-buliding-blocks, and the molecular formula is C7H8ClN, Category: chlorides-buliding-blocks.

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

Naik, R. G.; Wheeler, T. S. published the artcile< Reactivity of the ω-halogen atom in p-alkoxybenzyl halides: preparation of phenylacetic acids>, Formula: C8H8BrClO, the main research area is .

6-Chloropiperonal (I) and PhNH2 at 100° give 6-chloropiperonylideneaniline, m. 112°; 6-Br analog, m. 131-2°; 3-chloro-4-methoxybenzylideneaniline, m. 85°; 3-Br analog, m. 96-7°. I (25 g.), treated with 100 g. 50% NaOH and 5 cc.EtOH and kept overnight, gives 10 g. of 6-chloro-3,4-methylenedioxybenzyl alc. (II), m. 73-4°; 6-Br analog (III), m. 90°; 3-chloro-4-methoxybenzyl alc. (IV), b10 178-80°; 3-Br analog (V), m. 63-4°. Evaporation of 15 g.II in 75 cc. C6H6 saturated with HCl (at 0°) gives 14 g. of 6-chloro-3,4-methylenedioxybenzyl chloride (VI), m. 65°; shaking 10 g.II with 50 g.HBr (d. 1.69) gives 10 g. of the bromide, m. 75-6°. Similarly III gives a chloride, m. 64-5°, and a bromide, m. 94°; the chloride from IV b6 145-7° and the bromide, m. 52-3°. V yields a chloride, m. 51-2°, and a bromide, m. 61-2°. Refluxing 2 g. of VI with KI in Me2CO-H2O for 1.5 hrs. gives 1.6 g. of the iodide of II, yellow, m. 95-6°; iodide of III, m. 90-1°; of IV, m. 61-2°; of V, m. 64-5°. VI (16 g.), KCN and EtOH, shaken 24 hrs., give 9.5 g. of 6-chloropiperonylacetonitrile (VII), b15 190°, m. 70-1°; 6-Br analog, m. 71-2°; 3-chloro-p-anisylacetonitrile, m. 54-5°; 3-Br analog, m. 56-7°. Refluxing 7 g. of VII with NaOH in diluteEtOH for 8 hrs. gives 6 g. of 6-chloropiperonylicacetic acid, m. 174-5°; Me ester, m. 69-70°; Et ester, m. 60-1°; 6-Br analog, m. 190°; Et ester, m. 69-70°. 3-Chloro-p-anisylacetic acid, m. 95-6°; 3-Br analog, m. 114-15°. 3,4-Cl(MeO)C6H3CH2Cl (2.5 g.) and MeOH, refluxed 2 hrs., give 1.8 g. of 3-chloro-4-methoxybenzyl Me ether, b5 135-40°; Et ether, b10 150-5°; 3-bromo-4-methoxybenzyl Et ether, b10 155-60°; the ethers regenerate the halides on treatment with HCl-C6H6 or concentratedHBr. Heating 3,4-CH2O2C6H3CH2Br (VIII) with MeOH or EtOH for 6 hrs. gives 2,3,6,7-bismethylenedioxy-9,10-dihydroanthracene (Ewins, C. A. 4, 195); its formation is apparently catalyzed by acids, for refluxing VIII with MeOH and a little Na2CO3 gives 3,4-methylenedioxybenzyl Me ether, b10 120. The 6-halogen derivatives of VIII react with alcs. without formation of dihydroanthracenes but the oils obtained always contain more halogen than the expected ethers; the 6-NO2 derivative of VIII did not react with alcs. VI (6 g.) and 12 g.PCl5, heated 4 hrs. at 120°, give 5 g. of 6-chloro-3,4-dichloromethylenedioxybenzyl chloride (IX), b10 150-4°; addition of cold H2O after 5 min. to its solution in HCO2H gives 6-chloro-3,4-carbonyldioxybenzyl chloride (X), m. 64°. 6-Br analog of IX, b10 155-7°; of X, m. 80-1°.

Journal of the Chemical Society published new progress about Halogens. 320407-92-9 belongs to class chlorides-buliding-blocks, and the molecular formula is C8H8BrClO, Formula: C8H8BrClO.

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