Category: chlorides-buliding-blocks

Kinetics of hydrolysis of benzoates. II. Alkaline hydrolysis of alkyl benzoates in water was written by Pussa, T.;Nummert, V.;Palm, V.. And the article was included in Reaktsionnaya Sposobnost Organicheskikh Soedinenii in 1972.Quality Control of Chloromethyl benzoate This article mentions the following:

The kinetics of hydrolysis of benzoates was measured spectrophotometrically. The following compounds having the general formula PhCO2X were studied: uncharged benzoates where X is Me, Et, CH2Cl, CH3CH2Cl, CH2Ph, and CH2CH2OMe, and charged benzoate where X is CH2N+Me3, and CH2CH2N+Me3. The BAC2 mechanism was assumed. The kinetics of the alk. hydrolysis of the positively charged choline esters decreased with increasing ionic strength of the solution In the experiment, the researchers used many compounds, for example, Chloromethyl benzoate (cas: 5335-05-7Quality Control of Chloromethyl benzoate).

Chloromethyl benzoate (cas: 5335-05-7) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators.While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available. Alkyl chlorides readily undergo attack by nucleophiles.Quality Control of Chloromethyl benzoate

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

Genetic and Histopathological Alterations in Caco-2 and HuH-7 Cells Treated with Secondary Metabolites of Marine fungi was written by Mohamed, Aly Fahmy;Abuamara, Tamer M. M.;Amer, Mohamed E.;EI-Moselhy, Laila E.;Gomah, Tamer Albasyoni;Matar, Emadeldin R.;Shebl, Rania Ibrahim;Desouky, Said E.;Abu-Elghait, Mohammed. And the article was included in Journal of Gastrointestinal Cancer in 2022.Quality Control of 1-Chlorooctadecane This article mentions the following:

The present work aimed to study the activity of naturally derived fungal secondary metabolites as anticancer agents concerning their cytotoxicity, apoptotic, genetic, and histopathol. profile. It was noticed that Aspergillus terreus, Aspergillus flavus, and Aspergillus fumigatus induced variable toxic potential that was cell type, secondary metabolite type, and concentration dependent. Human colonic adenocarcinoma cells (Caco-2) showed less sensitivity than hepatocyte-derived cellular carcinoma cells (HuH-7), and in turn, the half-maximal inhibitory concentration (IC₅₀) was variable. Also, the apoptotic potential of Aspergillus species-derived fungal secondary metabolites was proven via detection of up-regulated pro-apoptotic genes and down-regulation of anti-apoptotic genes. The expression level was cell type dependent. Concurrently, apoptotic profile was accompanied with cellular DNA accumulation at the G2/M phase, as well as an elevation in Pre-G1 phase but not during G0/G1 and S phases. Also, there were characteristic apoptotic features of treated cells presented as abnormal intra-nuclear eosinophilic structures, dead cells with mixed euchromatin and heterochromatin, ruptured cell membranes, apoptotic cells with irregular cellular and nuclear membranes, as well as peripheral chromatin condensation. It can be concluded that Aspergillus secondary metabolites are promising agents that can be used as supplementary agents to the currently applied anti-cancer drug regimen. In the experiment, the researchers used many compounds, for example, 1-Chlorooctadecane (cas: 3386-33-2Quality Control of 1-Chlorooctadecane).

1-Chlorooctadecane (cas: 3386-33-2) belongs to organic chlorides. Organochlorines are organic compounds having multiple chlorine atoms. They were the first synthetic pesticides that were used in agriculture. They are resistant to most microbial and chemical degradations. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Quality Control of 1-Chlorooctadecane

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

Simple N,N-dimethyl phenylsulfonamides show potent anticonvulsant effect in two standard epilepsy models was written by Tanaka, Tomoyuki;Yajima, Nana;Kiyoshi, Tomoko;Miura, Yoshiki;Iwama, Seiji. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2017.Quality Control of 3-(Trifluoromethyl)benzene-1-sulfonyl chloride This article mentions the following:

Optimization of the previously reported benzothiazine analog A led to the identification of compound 1, which showed anti-convulsant activity in two golden standard animal models of seizure, the MES and scPTZ models. Structure-activity relationship investigation of compound 1 revealed compounds 2, 6 and 19 as attractive anti-epileptic drug (AED) candidates with potent anticonvulsant effect in both the MES and scPTZ models. As these compounds are structurally different from existing AEDs, determination of their mechanism of actions could provide clues to understanding current therapy-resistant seizures. Moreover, these simple phenylsulfoneamide compounds could be good starting points for searching broad spectrum AEDs by such in vivo screening. In the experiment, the researchers used many compounds, for example, 3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6Quality Control of 3-(Trifluoromethyl)benzene-1-sulfonyl chloride).

3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Quality Control of 3-(Trifluoromethyl)benzene-1-sulfonyl chloride

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

Acyloxymethyl as a drug protecting group. Kinetics and mechanism of the hydrolysis of N-acyloxymethylbenzamides was written by Iley, Jim;Moreira, Rui;Rosa, Eduarda. And the article was included in Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999) in 1991.Safety of Chloromethyl benzoate This article mentions the following:

Acyloxymethyl derivatives of secondary and tertiary amides R¹CONRCH₂O₂CR¹ [R = H, Me; R¹,R² = (un)substituted phenyl] undergo hydrolysis via acid-catalyzed, base-catalyzed and pH-independent processes. The pH-independent pathway involves rate-limiting iminium ion formation and is characterized by the following: a Hammett ρ value for the substituent in the benzamide moiety of ca. -1.2 for both types of substrate; the absence of general-base or nucleophilic catalysis; a common benzoate ion effect; a solvent deuterium isotope effect of ca. 1.6; ΔS^{â€?/sup> values of -4 and -12 J K-1 mol-1 for secondary and tertiary substrates resp.; and higher reactivity of the tertiary amides over their secondary counterparts. The acid-catalyzed process involves protonation of a substrate followed by iminium ion formation, and is characterized by the following: a Hammett ρ value of ca. -1.5 for the substituent effect of the benzamide moiety; a solvent deuterium isotope effect of ca. 0.4; a monotonic rise in the pseudo-first-order rate constant with increasing [H₂SO₄]; ΔSâ€?/sup> values >0 J K-1 mol-1; higher reactivity of the tertiary substrates over their secondary counterparts; and a value of 0.85 for the Broensted coefficient, β_lg, for the carboxylate nucleofuge. The base-catalyzed hydrolysis of tertiary substrates involves normal ester hydrolysis via acyl-oxygen bond cleavage, and is characterized by a Hammett ρ value of +0.38, a solvent deuterium isotope effect of 0.85, and a ΔSâ€?/sup> value of -96 J K-1 mol-1. The corresponding base-catalyzed process for the secondary substrates involves imine formation via an E2 elimination reaction. The secondary acyloxymethylamides are some 7 × 104 times more reactive than their tertiary counterparts in the base-catalyzed region. Hammett ρ values of +1.1 and +0.6 are obtained for the substituents in the ester and amide moieties, resp. Buffer catalysis is observed, and the value of ca. 0.5 for the Broensted β coefficient identifies the amide proton as approx. 50% transferred to the buffer species in the transition state. Heats of formation, ΔH_f, calculated using the AM1 SCF MO package reveal that iminium ion formation is thermodynamically equi-energetic for cyclic and acyclic systems. Iminium ion formation from tertiary substrates is favored by ca. 25 kJ mol-1 over the corresponding secondary analogs. In the experiment, the researchers used many compounds, for example, Chloromethyl benzoate (cas: 5335-05-7Safety of Chloromethyl benzoate).}

Chloromethyl benzoate (cas: 5335-05-7) belongs to organic chlorides. Organic chlorides can cause corrosion in pipelines, valves and condensers, and cause catalyst poisoning. The hydrocarbon processing industry (HPI) and others are affected by damage caused by these substances. Alkyl chlorides are versatile building blocks in organic chemistry. While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available.Safety of Chloromethyl benzoate

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

Studies of thermal properties of di(methacryloyloxymethyl)naphthalene-divinylbenzene (DMN-DVB) copolymer and its alkyl-bonded derivatives was written by Gawdzik, Barbara;Rogulska, Magdalena;Grochowicz, Marta;Osypiuk-Tomasik, Joanna. And the article was included in Journal of Thermal Analysis and Calorimetry in 2019.Related Products of 3386-33-2 This article mentions the following:

This paper presents the thermal properties of highly crosslinked di(methacryloyloxymethyl)naphthalene-divinylbenzene (DMN-DVB) copolymeric microspheres containing polar groups in the structure and their alkyl-bonded derivatives C₈ and C₁₈ alkyl chains were introduced into the aromatic rings of the DMN-DVB porous copolymer by means of the Friedel-Crafts reaction. As a source of C₈ and C₁₈ alkyl chains, octyl and octadecyl chlorides were used. It was necessary to check whether the introduction of alkyl chains into the structure of polymeric packing had an impact on its thermal properties. The studies were carried out by thermogravimetry coupled online with FTIR spectroscopy and differential scanning calorimetry in inert atm. (helium). It was stated that the modified materials showed 20 and 50% mass losses at higher temperatures than the non-modified one while 1% mass loss was observed at lower temperatures Moreover, an anal. of volatile decomposition products was performed. In the experiment, the researchers used many compounds, for example, 1-Chlorooctadecane (cas: 3386-33-2Related Products of 3386-33-2).

1-Chlorooctadecane (cas: 3386-33-2) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Related Products of 3386-33-2

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

Design and synthesis of a magnetic hierarchical porous organic polymer: A new platform in heterogeneous phase-transfer catalysis was written by Mouradzadegun, Arash;Ganjali, Mohammad Reza;Mostafavi, Mahsa Alsadat. And the article was included in Applied Organometallic Chemistry in 2018.Computed Properties of C8H9Cl This article mentions the following:

Recyclable phase transfer catalysts containing magnetic nanoparticles (MNPs) have been known as a major trend towards sustainable catalysts. In this study, a novel class of magnetic porous polymer on the basis of calix[4]resorcinarene was synthesized starting from silica-coated Fe₃O₄ core-shell nanoparticles. This compound was found as an efficient phase transfer catalyst for the conversion of benzyl halides into benzyl azides and cyanides in good yields. The catalyst could be used at least for five consecutive cycles without appreciable loss in the catalytic activity. In the experiment, the researchers used many compounds, for example, 1-(Chloromethyl)-3-methylbenzene (cas: 620-19-9Computed Properties of C8H9Cl).

1-(Chloromethyl)-3-methylbenzene (cas: 620-19-9) belongs to organic chlorides. An organic chloride is an organic compound containing at least one covalently bonded atom of chlorine. Their wide structural variety and divergent chemical properties lead to a broad range of names and applications. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Computed Properties of C8H9Cl

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

Iridium-catalyzed Enantioselective Intramolecular Cross-dehydrogenative Coupling of Alkyl Aryl Ethers Giving Enantioenriched 2,3-Dihydrobenzofurans was written by Kusaka, Satoshi;Ohmura, Toshimichi;Suginome, Michinori. And the article was included in Chemistry Letters in 2022.Electric Literature of C8H16Cl2Ir2 This article mentions the following:

Aryl 2-silyloxyprop-1-yl ethers underwent intramol. C(sp²)-H/C(sp³)-H cross-dehydrogenative coupling in the presence of Ir/(S)-DTBM-SEGPHOS catalyst. The reaction proceeded enantioselectively to afford 3-methyl-3-silyloxy-2,3-dihydrobenzfurans I [R = H, 5-Me, 5-Bn, etc.] with up to 99% ee. In the experiment, the researchers used many compounds, for example, Chlorobis(ethylene)iridium(I) dimer (cas: 39722-81-1Electric Literature of C8H16Cl2Ir2).

Chlorobis(ethylene)iridium(I) dimer (cas: 39722-81-1) belongs to organic chlorides. Chlorination modifies the physical properties of hydrocarbons in several ways. These compounds are typically denser than water due to the higher atomic weight of chlorine versus hydrogen.While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available. Alkyl chlorides readily undergo attack by nucleophiles.Electric Literature of C8H16Cl2Ir2

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

Convenient preparation of (η⁴-alkadiene)dichloroplatinum(II) complexes from [PtCl₆]^2- anions and their reduction to platinum(0) alkene complexes under phase-transfer catalysis conditions was written by Dell’Amico, Daniela Belli;Labella, Luca;Marchetti, Fabio;Samaritani, Simona. And the article was included in Journal of Organometallic Chemistry in 2011.Product Details of 12083-92-0 This article mentions the following:

Platinum(II) and platinum(0) diene complexes were prepared in phase-transfer conditions by reduction of hexachloroplatinate in the presence of diene ligands and tetraalkylammonium phase-transfer catalysts. Convenient one-pot reduction-complexation reactions of hexachloroplatinate(IV) anions to (η⁴-alkadiene)dichloroplatinum(II) complexes (η⁴-alkadiene = 1,5-cyclooctadiene, diallyl ether, dicyclopentadiene, norbornadiene, dibenzylideneacetone) under suitable phase-transfer catalysis conditions are reported. Reduction to zerovalent platinum alkene complexes has been obtained in the presence of an excess of alkene, potassium formate and 18-crown-6 as phase-transfer catalyst (alkene = COD, norbornene, dba). The crystal and mol. structure of [Pt_1.03(dba)₃]·CH₂Cl₂ has been studied by x-ray diffraction methods: it can be described as a solid solution of Pt(dba)₃ and Pt₂(dba)₃, the mononuclear complex being largely prevailing. In the experiment, the researchers used many compounds, for example, Dichlorodi(cyclopenta-1,3-dien-1-yl)platinate(II) (cas: 12083-92-0Product Details of 12083-92-0).

Dichlorodi(cyclopenta-1,3-dien-1-yl)platinate(II) (cas: 12083-92-0) belongs to organic chlorides. Organochlorines stimulate the central nervous system and cause convulsions, tremor, nausea, and mental confusion. Examples are dichlorodiphenyltrichloroethane (DDT), chlordane, lindane, endosulfan, and dieldrin. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Product Details of 12083-92-0

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

Degradation of aureomycin was written by Hutchings, B. L.;Waller, C. W.;Gordon, S.;Broschard, R. W.;Wolf, C. F.;Goldman, A. A.;Williams, J. H.. And the article was included in Journal of the American Chemical Society in 1952.Category: chlorides-buliding-blocks This article mentions the following:

Preceding abstract Alkali fusion of aureomycin (I) yielded 5,2-Cl(HO)C₆H₃CO₂H, Me₂NH, and NH₃. Methylation, followed by permanganate oxidation, gave the following derivatives: 6-chloro-3-methoxyphthalic acid, m. 186-8° (anhydride, m. 187-8°); a monobasic acid (II), m. 199-200° (decomposition), [α]²⁵_D 25° (MeOH), formed a mono-Me ester, m. 96-100° and on decarboxylation gave 1 mole CO₂ and 4-chloro-7-methoxy-3-methylphthalide (III), m. 112-13°. II is 4-chloro-7-methoxy-3-methylphthalide-3-carboxylic acid. Oxidation of III with alk. permanganate yielded 6-chloro-3-methoxyphthalonic acid (IV), m. 224-7° (decomposition), or 6-chloro-3-methoxyphthalic acid, depending on whether the MnO₂ was filtered off before or after acidification. Oxidation in neutral solution yielded 3-hydroxy-3-methyl-4-chloro-7-methoxyphthalide (V), m. 198-203°; methylation of V gave a normal ester, m. 69-70°, and a pseudo ester, m. 188-90°. The oxidation residues gave a dibasic acid (VI), m. 211-12°, [α]²⁵_D -20.2° (EtOH). VI heated with Ac₂O gave an anhydride m. 209-10°. VI is putative 4-chloro-7-methoxy-3-methylphthalide-3-succinic acid. A 2nd dibasic acid (VII), m. 203-4°; di-Me ester, m. 108-9.5°; anhydride, m. 200-1°. VII demethylated with HBr yielded a phenolic acid, m. 172.5-75°; acid oxidation with permanganate yielded tricarballylic acid. VII is putative 3-(4-chloro-7-methoxy-3-methylphthalidyl)glutaric acid. Alk. fusion of the phthalide derivatives (except III) gave 5,2-Cl(MeO)C₆H₃CO₂H. In the experiment, the researchers used many compounds, for example, 5-Chloro-2-methoxybenzoic acid (cas: 3438-16-2Category: chlorides-buliding-blocks).

5-Chloro-2-methoxybenzoic acid (cas: 3438-16-2) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Category: chlorides-buliding-blocks

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

Design of metal-mediated protein assemblies via hydroxamic acid functionalities was written by Subramanian, Rohit H.;Zhu, Jie;Bailey, Jake B.;Chiong, Jerika A.;Li, Yiying;Golub, Eyal;Tezcan, F. Akif. And the article was included in Nature Protocols in 2021.Application In Synthesis of (Chloromethanetriyl)tribenzene This article mentions the following:

The self-assembly of proteins into sophisticated multicomponent assemblies is a hallmark of all living systems and has spawned extensive efforts in the construction of novel synthetic protein architectures with emergent functional properties. Protein assemblies in nature are formed via selective association of multiple protein surfaces through intricate noncovalent protein-protein interactions, a challenging task to accurately replicate in the de novo design of multiprotein systems. In this protocol, we describe the application of metal-coordinating hydroxamate (HA) motifs to direct the metal-mediated assembly of polyhedral protein architectures and 3D crystalline protein-metal-organic frameworks (protein-MOFs). This strategy has been implemented using an asym. cytochrome cb562 monomer through selective, concurrent association of Fe³⁺ and Zn²⁺ ions to form polyhedral cages. Furthermore, the use of ditopic HA linkers as bridging ligands with metal-binding protein nodes has allowed the construction of crystalline 3D protein-MOF lattices. The protocol is divided into two major sections: (1) the development of a Cys-reactive HA mol. for protein derivatization and self-assembly of protein-HA conjugates into polyhedral cages and (2) the synthesis of ditopic HA bridging ligands for the construction of ferritin-based protein-MOFs using sym. metal-binding protein nodes. Protein cages are analyzed using anal. ultracentrifugation, transmission electron microscopy and single-crystal X-ray diffraction techniques. HA-mediated protein-MOFs are formed in sitting-drop vapor diffusion crystallization trays and are probed via single-crystal X-ray diffraction and multi-crystal small-angle X-ray scattering measurements. Ligand synthesis, construction of HA-mediated assemblies, and post-assembly anal. as described in this protocol can be performed by a graduate-level researcher within 6 wk. In the experiment, the researchers used many compounds, for example, (Chloromethanetriyl)tribenzene (cas: 76-83-5Application In Synthesis of (Chloromethanetriyl)tribenzene).

(Chloromethanetriyl)tribenzene (cas: 76-83-5) belongs to organic chlorides. Chlorination modifies the physical properties of hydrocarbons in several ways. These compounds are typically denser than water due to the higher atomic weight of chlorine versus hydrogen. Organochlorine compounds are lipophylic, meaning they are more soluble in fat than in water. This gives them a high tenancy to accumulate in the food chain (biomagnification).Application In Synthesis of (Chloromethanetriyl)tribenzene

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