Month: January 2023

Preparation of N-trifluoromethylthiosaccharin: A shelf-stable electrophilic reagent for trifluoromethylthiolation was written by Zhu, Jiansheng;Xu, Chunhui;Xu, Chunfa;Shen, Qilong. And the article was included in Organic Syntheses in 2017.Synthetic Route of C7H4ClNO3S This article mentions the following:

The preparation of N-(trifluoromethylthio)saccharin (I) was reported. Application of I as a trifluromethylthiolation reagent was also discussed. In the experiment, the researchers used many compounds, for example, 2-Chlorobenzo[d]isothiazol-3(2H)-one 1,1-dioxide (cas: 14070-51-0Synthetic Route of C7H4ClNO3S).

2-Chlorobenzo[d]isothiazol-3(2H)-one 1,1-dioxide (cas: 14070-51-0) 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. 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).Synthetic Route of C7H4ClNO3S

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

Chloro- and bromo(alkene)iridium(I) complexes was written by Onderdelinden, A. L.;Van der Ent, A.. And the article was included in Inorganica Chimica Acta in 1972.Product Details of 39722-81-1 This article mentions the following:

Chloro- and bromo(alkene)iridium(I) complexes were prepared by the reaction of monoenes, acyclic conjugated dienes, and cyclic polyenes with the cyclooctene complexes IrX(C8H14)2 (X = Cl or Br). IrCl(C2H4)4 is an unstable 5-coordinated compound from which the planar Cl-bridged dimer [IrCl(C2H4)2]2 is formed upon ethylene dissociation From the absence of broadening of the ethylene PMR resonances in CHCl3 upon cooling to -60°,low barriers to rotation of the ethylene ligands around the metal-alkene bond were concluded. In PhMe the appearance at -60° of the frozen out-situation for the equatorial ligands suggested a considerably higher barrier for these ligands in this solution The equatorial ethylene ligands show slow exchange with free ethylene by an associative mechanism. Acyclic conjugated dienes formed 5-coordinated complexes of the type IrX(alkene)2. 1,5-Cyclooctadiene formed the dimer complexes [IrX(C8H12)]2 and the monomer complexes IrX(C8H12)2. The investigation of the bromo compounds was limited to their identification by elementary anal. and by their ir spectrum in the 4000-400 cm-1 region. Their far-ir spectra were used as an aid in the assignment of the ν(Ir-Cl) in the corresponding chloro compounds From the comparison of the far-ir spectra of corresponding chloro-(alkene)rhodium(I) and -ir(I) complexes the metal-alkene as well as the metal-Cl bonds are stronger in the Ir(I) compounds In the experiment, the researchers used many compounds, for example, Chlorobis(ethylene)iridium(I) dimer (cas: 39722-81-1Product Details of 39722-81-1).

Chlorobis(ethylene)iridium(I) dimer (cas: 39722-81-1) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Product Details of 39722-81-1

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

Fluorinated pyrido[2,3-c]pyridazines. II. Synthesis and antibacterial activity of 1,7-disubstituted 6-fluoro-4(1H)-oxopyrido[2,3-c]pyridazine-3-carboxylic acids was written by Miyamoto, Teruyuki;Matsumoto, Junichi. And the article was included in Chemical & Pharmaceutical Bulletin in 1990.Recommanded Product: Ethyl 3-(2,6-Dichloro-5-fluoro-3-pyridyl)-3-oxopropionate This article mentions the following:

Chem. modification of pyridonecarboxylic acid antibacterials with a 1,8-naphthyridine ring, such as enoxacin and tosufloxacin, to their 2-aza derivatives was studied. A new series of 1,7-disubstituted fluorooxopyridopyridazines, e.g. I (R = Et, CH₂CH₂F, C₆H₄F-4, R¹ = H, Me), was prepared by either alkylation of Et 6-fluoro-4(1H)-oxo-7-(p-tolylthio)pyrido[2,3-c]pyridazine-3-carboxylate or intramol. cyclization of Et 2-(2,6-dichloro-5-fluoronicotinoyl)-2-[2-(p-fluorophenyl)hydrazono]acetate, followed by displacement reaction with cyclic amines at C-7. Antibacterial activities of these compounds were markedly inferior to those of enoxacin and tosufloxacin. In the experiment, the researchers used many compounds, for example, Ethyl 3-(2,6-Dichloro-5-fluoro-3-pyridyl)-3-oxopropionate (cas: 96568-04-6Recommanded Product: Ethyl 3-(2,6-Dichloro-5-fluoro-3-pyridyl)-3-oxopropionate).

Ethyl 3-(2,6-Dichloro-5-fluoro-3-pyridyl)-3-oxopropionate (cas: 96568-04-6) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators. 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.Recommanded Product: Ethyl 3-(2,6-Dichloro-5-fluoro-3-pyridyl)-3-oxopropionate

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

Spectra-structure correlations in solid metal saccharinates. II. Ab initio molecular structures and vibrational spectra of N-substituted saccharins at the HF level was written by Naumov, Pance;Jovanovski, Gligor;Ohashi, Yuji. And the article was included in Solid State Sciences in 2002.Recommanded Product: 14070-51-0 This article mentions the following:

Ground-state ab initio mol. geometries and vibrational spectra of 24 N-substituted isolated saccharins with small-size B, Br, C, Cl, F, N, O, P or S-groups and the parent mol. are predicted at RHF/6-31G level to examine the mol. structural changes stemming from N-substitution of saccharin (o-sulfobenzimide). Trends in the mol. geometrical parameters of the sulfimide ring and the carbonyl stretching frequency are discussed in relation to the electronic properties of the substituent and the solid state effects. The results are compared with the crystallog. data for N-substituted saccharins and metal saccharinato salts/complexes retrieved from the Cambridge Structural Database. The ability of several theor. methods to describe the substitution/deprotonation of the conjugated CO-NH-SO₂ structure is summarized. Electronic properties of the substituent affect significantly only the immediate C-N and S-N bonds by as much as ±0.014 Å, while other bonds are relatively less influenced ( ± 0.004 Å). Combined with the effects of the crystal packing and thermal vibrations, they impose flexibility on the intramol. lengths up to ±0.02 Å. High correlation (R = 0.966) between the theor. ν(CO) frequencies and C-O distances is predictable for both of these parameters, but is lowered notably in the crystal by both vibrational and solid-state circumstances. From the structural viewpoint, the N_sac-X bonds (X = B, Br, C, Cl, F, N, O, P, S; sac denotes saccharin) behave similarly to the purely covalent N_sac-metal bonds. In the experiment, the researchers used many compounds, for example, 2-Chlorobenzo[d]isothiazol-3(2H)-one 1,1-dioxide (cas: 14070-51-0Recommanded Product: 14070-51-0).

2-Chlorobenzo[d]isothiazol-3(2H)-one 1,1-dioxide (cas: 14070-51-0) 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.Recommanded Product: 14070-51-0

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

Discovery of novel series of 2-substituted benzo[d]oxazol-5-amine derivatives as multi-target directed ligands for the treatment of Alzheimer’s disease was written by Gutti, Gopichand;Kakarla, Ramakrishna;Kumar, Devendra;Beohar, Mahima;Ganeshpurkar, Ankit;Kumar, Ashok;Krishnamurthy, Sairam;Singh, Sushil Kumar. And the article was included in European Journal of Medicinal Chemistry in 2019.HPLC of Formula: 3438-16-2 This article mentions the following:

Alzheimer’s disease (AD) is associated with multifactorial neuropathol. conditions, which included cholinergic deficit, amyloid-beta plaques formation, loss of neuronal plasticity and neuronal death. Treating such multifactorial conditions with a single target directed approach was considered to be inadequate. Accordingly, multi-target directed ligand (MTDL) strategy has been evolved as an auspicious approach for the treatment of AD. In light of that, a library of 2-substituted benzo[d]oxazol-5-amine derivatives I [Ar = Ph, pyridin-2-yl, 4-bromophenyl, etc.; n = 0, 1, 2, C(O); X = C, N; Y = N, CH₂, O] was designed using the scaffold hopping guided MTDLs strategy, synthesized and evaluated through various in-vitro and in-vivo biol. studies. The optimal compound I [Ar = 4-bromophenyl, n = C(O); X = N, Y = N] exhibited potent inhibitory activities against AChE (IC₅₀ = 0.052 ± 0.010 μM), BuChE (IC₅₀ = 1.085 ± 0.035 μM) and significant amyloid-beta aggregation (20 μM) inhibition. The compound I [Ar = 4-bromophenyl, n = C(O); X = N, Y = N] possessed better blood-brain barrier permeability (Pe = 10.80 ± 0.055 x 10-6 cm s^-1) in PAMPA assay and neuro protective properties (40 μM) on SH-SY5Y neuroblastoma cell lines. Furthermore, in-vivo behavioral studies were performed on Y-maze test (scopolamine-induced amnesia model) and Morris water maze test (Aβ_1-42 induced ICV rat model). The compound I [Ar = 4-bromophenyl, n = C(O); X = N, Y = N], at a dose of 10 mg/kg oral administration, demonstrated a substantial improvement of the cognitive and special memory impairment. In summary, both in-vitro and in-vivo investigations evidenced that compound I [Ar = 4-bromophenyl, n = C(O); X = N, Y = N] was a potential lead for the discovery of safe and effective disease-modifying agents for AD. In the experiment, the researchers used many compounds, for example, 5-Chloro-2-methoxybenzoic acid (cas: 3438-16-2HPLC of Formula: 3438-16-2).

5-Chloro-2-methoxybenzoic acid (cas: 3438-16-2) 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. 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.HPLC of Formula: 3438-16-2

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

Design, synthesis, biological evaluation, and modeling studies of novel conformationally-restricted analogues of sorafenib as selective kinase-inhibitory antiproliferative agents against hepatocellular carcinoma cells was written by Sbenati, Rawan M.;Zaraei, Seyed-Omar;El-Gamal, Mohammed I.;Anbar, Hanan S.;Tarazi, Hamadeh;Zoghbor, Malaka M.;Mohamood, Najma A.;Khakpour, Mahta M.;Zaher, Dana M.;Omar, Hany A.;Alach, Nour N.;Shehata, Mahmoud K.;El-Gamal, Randa. And the article was included in European Journal of Medicinal Chemistry in 2021.COA of Formula: C7H4ClF3O2S This article mentions the following:

Sorafenib is one of the clin. used anticancer agents that inhibits several kinases. In this study, novel indole-based rigid analogs of sorafenib were designed and synthesized in order to enhance kinase selectivity and hence minimize the side effects associated with its use. The target compounds possess different linkers; urea, amide, sulfonamide, or thiourea, in addition to different terminal aryl moieties attached to the linker in order to investigate their impact on biol. activity. They were tested against Hep3B, Huh7, and Hep-G2 hepatocellular carcinoma (HCC) cell lines to study their potency. Among all the tested target derivatives, arylaminocarbonylaminoindolylpicolinamide I exerted superior antiproliferative potency against all the three tested HCC cell lines compared to sorafenib. Based on these preliminary results, I was selected for further biol. and in silico investigations. Up to 30μM, I did not inhibit 50% of the proliferation of WI-38 normal cells, which indicated promising selectivity against HCC cells than normal cells. In addition, I exerted superior kinase selectivity than sorafenib. It is selective for VEGFR2 and VEGFR3 angiogenesis-related kinases, while sorafenib is a multikinase inhibitor. Superior kinase selectivity of I to sorafenib can be attributed to its conformationally-restricted indole nucleus and the bulky N-methylpiperazinyl moiety. Western blotting was carried out and confirmed the ability of I to inhibit VEGFR2 kinase inside Hep-G2 HCC cells in a dose-dependent pattern. I induces apoptosis and necrosis in Hep-G2 cell line, as shown by caspase-3/7 and lactate dehydrogenase (LDH) release assays, resp. Moreover, I did not inhibit hERG. Thus, we could achieve a more selective kinase inhibitor than sorafenib with retained or even better antiproliferative potency against HCC cell lines. Furthermore, mol. docking and dynamic simulation studies were carried out to investigate its binding mode with VEGFR2 kinase. The mol. has a unique orientation upon binding with the kinase. In the experiment, the researchers used many compounds, for example, 3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6COA of Formula: C7H4ClF3O2S).

3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6) 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 readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.COA of Formula: C7H4ClF3O2S

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

Inhibition of the Human Proteasome by Imidazoline Scaffolds was written by Azevedo, Lauren M.;Lansdell, Theresa A.;Ludwig, Jacob R.;Mosey, Robert A.;Woloch, Daljinder K.;Cogan, Dillon P.;Patten, Gregory P.;Kuszpit, Michael R.;Fisk, Jason S.;Tepe, Jetze J.. And the article was included in Journal of Medicinal Chemistry in 2013.Electric Literature of C8H9ClO4S This article mentions the following:

The proteasome has emerged as the primary target for the treatment of multiple myeloma. Unfortunately, nearly all patients develop resistance to competitive-type proteasome inhibitors such as bortezomib. Herein, the optimization of noncompetitive proteasome inhibitors to yield derivatives that exhibit nanomolar potency (compound I, IC₅₀ 130 nM) toward proteasome inhibition and overcome bortezomib resistance is described. These studies illustrate the feasibility of the development of noncompetitive proteasome inhibitors as additives and/or alternatives to competitive proteasome inhibitors. In the experiment, the researchers used many compounds, for example, 2,4-Dimethoxybenzene-1-sulfonyl chloride (cas: 63624-28-2Electric Literature of C8H9ClO4S).

2,4-Dimethoxybenzene-1-sulfonyl chloride (cas: 63624-28-2) 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.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 C8H9ClO4S

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

Dithiane-directed Rh(III)-catalyzed amidation of unactivated C(sp³)-H bonds was written by Shi, Heyao;Dixon, Darren J.. And the article was included in Chemical Science in 2019.Related Products of 6834-42-0 This article mentions the following:

An oxidant-free Rh(III)-catalyzed direct amidation of alkyl dithianes I (R¹ = Me, Ph, PhCH₂, MeO₂C, etc., R² = Me; R¹R² = CH₂CH₂NBocCH₂CH₂) via C(sp³)-H bond activation utilizing diverse and robust dioxazolone reagents II (R³ = t-BuCH₂, cyclopropyl, n-undecyl, Ph, PhCH₂, 2-furyl, etc.) is reported. The reaction hinges on use of a Cp*Rh(III) complex in combination with an essential amino-carboxylate additive to generate usefully protected 1,3-aminoaldehyde derivatives III. The scalability of the reaction was demonstrated as was a series of downstream product functionalizations, including dithiane deprotection, anion alkylation and reductive desulfurization, highlighting the general applicability of this transformation in the synthesis of novel scaffolds and building blocks. In the experiment, the researchers used many compounds, for example, 2-(3-Methoxyphenyl)acetyl chloride (cas: 6834-42-0Related Products of 6834-42-0).

2-(3-Methoxyphenyl)acetyl chloride (cas: 6834-42-0) 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 readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Related Products of 6834-42-0

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

Reinvestigation of chlorination of saccharin. A mild and convenient synthesis of o-cyanophenylsulfonyl chloride was written by Yoon, Yong Jin;Kang, Yoon Se. And the article was included in Bulletin of the Korean Chemical Society in 1985.Formula: C7H4ClNO3S This article mentions the following:

Treating saccharin with PCl₅-ZnCl₂ 15-30 min at 65-70° gave 85-90 % o-NCC₆H₄SO₂Cl. Refluxing saccharin or its Na salt with POCl₃ 2-3 h gave 75% N-chlorosaccharin I. In the experiment, the researchers used many compounds, for example, 2-Chlorobenzo[d]isothiazol-3(2H)-one 1,1-dioxide (cas: 14070-51-0Formula: C7H4ClNO3S).

2-Chlorobenzo[d]isothiazol-3(2H)-one 1,1-dioxide (cas: 14070-51-0) 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 readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Formula: C7H4ClNO3S

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

Species and Life-Stage Sensitivity of Chinese Rare Minnow (Gobiocypris rarus) to Chemical Exposure: A Critical Review was written by Bai, Yunfei;Lian, Deru;Su, Tenghui;Wang, Yolina Yu Lin;Zhang, Dainan;Wang, Zhen;Gimeno, Sylvia;You, Jing. And the article was included in Environmental Toxicology and Chemistry in 2021.Formula: C13H9Cl3N2O This article mentions the following:

Chem. production and consumption in Asia are increasing at an unprecedented rate, calling for regulations on chem. management. Under the New Chem. Substance Notification in China, information on ecotoxicol. effects of chems. is mandatory for the simplified registration of chems. with the requirement that one ecotoxicol. test is conducted locally. It is now mandatory to use the native fish species Chinese rare minnow (Gobiocypris rarus). However, its chem. sensitivity compared to that of fathead minnow (Pimephales promelas) or zebrafish (Danio rerio) is still unclear. We performed a holistic literature review on toxicity data with G. rarus from 1997 to 2020. Species sensitivity among G. rarus, P. promelas, and D. rerio and life-stage sensitivity of G. rarus were systematically investigated for various chems. using both chem. ratio distribution and probabilistic chem. toxicity distribution approaches. Comparatively, the Chinese native fish species G. rarus was more sensitive than D. rerio, particularly to metals. Juvenile and adult G. rarus were more sensitive than its larvae and embryos. The observed lower sensitivity of G. rarus embryo was likely due to the thick embryonic chorion, discrepant methods of collecting embryos, and the paucity of toxicity data, implying the necessity to standardize G. rarus embryo tests and validate the sensitivity with various types of chems. This unique review allows us to conclude that G. rarus studies could be used in worldwide registrations and that further investigations are needed to use G. rarus embryos as alternatives to the fish test. Environ Toxicol Chem 2021;00:1-14. 2021 SETAC In the experiment, the researchers used many compounds, for example, 1-(4-Chlorophenyl)-3-(3,4-dichlorophenyl)urea (cas: 101-20-2Formula: C13H9Cl3N2O).

1-(4-Chlorophenyl)-3-(3,4-dichlorophenyl)urea (cas: 101-20-2) 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. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Formula: C13H9Cl3N2O

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