Category: Dioxole

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: H-Trp-OMe.HCl, is researched, Molecular C12H15ClN2O2, CAS is 7524-52-9, about Evaluating the effect of amine-geldanamycin hybrids on anticancer activity, the main research direction is amine geldanamycin hybrid anticancer activity mol docking solubility.Computed Properties of C12H15ClN2O2.

Three new geldanamycin (GDM) derivatives, 17-(S)-2-amino-3-(1H-indol-3-ylpropan-1-ol)-17- demethoxygeldanamycin (2), 17-((S)-2-amino-3-phenylpropan-1-ol)-17-demethoxygeldanamycin (3), and 17-((S)-4- (2-amino-3-hydroxypropyl)phenol)-17-demethoxygeldanamycin (4), were synthesized by nucleophilic substitution of GDM (1). The binding ability of these compounds at the N-terminal domain of heat shock protein [Protein Data Bank (PDB) ID: 1OSF] derived from the PDB was analyzed by ligand-protein docking. Hydrogen-bonding interactions of compounds 2 and 3 were equal to those of 17-dimethylamino-ethylamino-17-demethoxygeldanamycin (17-DMAG), with binding energies of -98.33 and -122.41 kcal/mol, resp. The solubility of the synthesized compounds was ascertained. The solubilities of compounds 2, 3, and 4 in water were 5.571 mM, 1.963 mM, and 1.918 mM, higher than that of compound 1 by approx. 36.65, 12.91, and 12.62 times, resp. The cytotoxicity activity of the synthesized compounds was also evaluated against cancer cell lines using a tetrazolium-based colorimetric assay. These compounds showed high anticancer activity against human cervical carcinoma cells cells, with inhibitory concentration (IC50) values in the range of 19.36-45.66 μg/mL, which were better than that of compound 1, with IC50 values of 110.46 μg/mL. Compound 3 also exhibited cytotoxic activity against human hepatocellular carcinoma cells cells, with an IC50 value of 24.62 μg/mL. These compounds were less active against MDA-MB-231 cells, compared with compound 1. Compound 2 also showed weak cytotoxic activity on Vero and LLC-MK2 cells, with IC50 values of 229.19 and 330.58 μg/mL, resp. The predicted results indicated that these compounds have similar absorption, distribution, metabolism, excretion, and toxicity parameters as well as structures predictive of hepatotoxicity. The results showed that some of the synthesized compounds revealed selective cytotoxicity toward some cancer cells. Therefore, further studies on the synthesized compounds could be helpful in the treatment of some cancers.

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1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

Category: dioxole. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 5-Chloropyridin-3-amine, is researched, Molecular C5H5ClN2, CAS is 22353-34-0, about Copper-Catalyzed Electrochemical C-H Amination of Arenes with Secondary Amines. Author is Yang, Qi-Liang; Wang, Xiang-Yang; Lu, Jia-Yan; Zhang, Li-Pu; Fang, Ping; Mei, Tian-Sheng.

Electrochem. oxidation represents an environmentally friendly solution to conventional methods that require caustic stoichiometric chem. oxidants. However, C-H functionalizations merging transition-metal catalysis and electrochem. techniques are, to date, largely confined to the use of precious metals and divided cells. Herein, the authors report the 1st examples of Cu-catalyzed electrochem. C-H aminations of arenes at room temperature using undivided electrochem. cells, thereby providing a practical solution for the construction of arylamines. The use of Bu4NI as a redox mediator is crucial for this transformation. From mechanistic studies including kinetic profiles, isotope effects, cyclic voltammetric analyses, and radical inhibition experiments, the reaction appears to proceed via a single-electron-transfer (SET) process, and a high valent Cu(III) species is likely involved. These findings provide a new avenue for transition-metal-catalyzed electrochem. C-H functionalization reactions using redox mediators.

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1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

COA of Formula: C4H7BrO2. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 2-Bromomethyl-1,3-dioxolane, is researched, Molecular C4H7BrO2, CAS is 4360-63-8, about Design, synthesis, and biological evaluation of novel urolithins derivatives as potential phosphodiesterase II inhibitors. Author is Tang, Long; Jiang, Jianchun; Song, Guoqiang; Wang, Yajing; Zhuang, Ziheng; Tan, Ying; Xia, Yan; Huang, Xianfeng; Feng, Xiaoqing.

A series of urolithins derivatives I (R = Et, Pr, (2-fluorophenyl)methyl, etc.) and II (R = Et, i-Pr, oxolan-2-ylmethyl, etc.) were designed and synthesized, and their structures have been confirmed by 1H NMR, 13C NMR, and HR-MS. The inhibitory activity of these derivatives I and II on phosphodiesterase II (PDE2) was thoroughly studied with 3-hydroxy-8-methyl-6H-benzo[C]chromen-6-one and 3-hydroxy-7,8,9,10-tetrahydro-6H-benzo[C] chromen-6-one as the lead compounds The biol. activity test showed that compound I (R = n-pentyl) had the best inhibitory activity on PDE2 with an IC50 of 33.95μM. This study provides a foundation for further structural modification and transformation of urolithins to obtain PDE2 inhibitor small mols. with better inhibitory activity.

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1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Synthesis and application of aqueous cationic polycarbodiimide crosslinking agent, published in 2011-03-03, which mentions a compound: 707-61-9, Name is 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide, Molecular C11H13OP, SDS of cas: 707-61-9.

Aqueous cationic polycarbodiimide crosslinking agent was synthesized with isophorone diisocyanate(IPDI), polypropylene glycol(PPG400), N,N-di-Me ethanolamine(DMEA) and 3-methyl-1-phenyl-2-phospholene-1-oxide(MPPO) as raw materials. The influences of synthesis conditions such as the dosage of catalysis agent, reaction time, reaction temperature, nitrogen jet velocity, hydrophilic end-blocking agent, blocking temperature, and the dosage of end-blocking agent on the properties of product were investigated. The developed crosslinking agents were introduced to protein finishing agent. And it is found that the properties of obtained finishing film agent are better in the water resistance, alk. resistance, solvent resistance and flexibility. Also, the tensile strength of film increases with a little decrease in brightness and transparency.

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1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide, is researched, Molecular C11H13OP, CAS is 707-61-9, about Synthesis of some 1-aryl-2,3-dibromophospholanes as novel anti-cancer agents.Related Products of 707-61-9.

Novel phosphorus heterocyclic compounds, 3-methyl-1-(3-bromophenyl as well as some 3-substituted phenyl)-2-phospholene 1-oxides, were synthesized from 1-phenyl-2-phospholene 1-oxide via 3-methyl-1-(3-nitrophenyl)-2-phospholene 1-oxide. 1-(4-Bromophenyl)-2-phospholene was prepared by Grignard coupling reaction of 1-chloro-3-methyl-2-phospholene 1-oxide with 4-bromophenylmagnesium bromide. 2,3-Dibromo-3-methyl-1-arylphospholane 1-oxides were prepared by the addition reaction of bromine to the C=C double bond of 2-phospholenes. The substituent effect of the Ph group of the 1-aryl-phospholanes on the observed anti-proliferative effect against U937 leukemia cell lines evaluated by MTT in vitro methods showed that 2,3-dibromo-3-methyl-1-(4-bromophenyl)phospholane was the most active among 1-arylphospholanes. These novel dibromophosphorus heterocyclic derivatives exhibit much higher anticancer activity than Gleevec (mol. targeting chemotherapeutic agent) against U937 cells.

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1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 7524-52-9, is researched, SMILESS is N[C@@H](CC1=CNC2=CC=CC=C12)C(OC)=O.[H]Cl, Molecular C12H15ClN2O2Preprint, ChemRxiv called Chemical synthesis of (+)-brevianamide A supports a Diels-Alderase-free biosynthesis, Author is Godfrey, Robert C.; Green, Nicholas J.; Nichol, Gary S.; Lawrence, Andrew L., the main research direction is brevianamide A synthesis Diels Alder reaction.Safety of H-Trp-OMe.HCl.

The fungal-derived bicyclo[2.2.2]diazaoctane alkaloids are of significant interest to the scientific community for their potent and varied biol. activities. Within this large and diverse family of natural products the insecticidal metabolite (+)-brevianamide A is particularly noteworthy for its synthetic intractability and inexplicable biogenesis. Despite five decades of research, this alkaloid has never succumbed to chem. synthesis. It has been suggested that a proposed Diels-Alder reaction in the biosynthesis of (+)-brevianamide A requires a Diels-Alderase enzyme. We herein report the first chem. synthesis of (+)-brevianamide A (7 steps, 8.0% overall yield, 750 mg scale), which provides compelling evidence in support of a Diels-Alderase-free biosynthesis; a significant departure from the established biosynthesis of related alkaloids.

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1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: H-Trp-OMe.HCl, is researched, Molecular C12H15ClN2O2, CAS is 7524-52-9, about Rational Design of Chiral Nanohelices from Self-Assembly of Meso-tetrakis (4-Carboxyphenyl) Porphyrin-Amino Acid Conjugates, the main research direction is chiral nanohelices mesotetrakiscarboxyphenyl Porphyrin Amino Acid Conjugates.Computed Properties of C12H15ClN2O2.

In this article, meso-tetrakis (4-carboxyphenyl) porphyrins modified with different amino acids were designed, synthesized, and researched. The chiral self-assembly behavior of these porphyrin-amino acid mols. can be precisely controlled by adjusting the pH, constituent amino acids, and temperature, thereby giving rise to chiral nanostructures with precisely tailored helical pitch and handedness. This research provides a certain reference for the design and preparation of chiral nanomaterials and has potential application prospects in chiral resolution and chiral catalysis.

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1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called N-Oxides of nicotinic acid and its esters, published in 1949, which mentions a compound: 455-70-9, Name is Methyl 5-fluoro-3-pyridinecarboxylate, Molecular C7H6FNO2, Application In Synthesis of Methyl 5-fluoro-3-pyridinecarboxylate.

Nicotinic acid (I) (1 part) in 3 parts glacial AcOH and 3 parts H2O2, heated 3 hrs. on the water bath, gives 70-80% of the N-oxide (II), pale yellow, m. 249° (decomposition); impure II, heated at 100°, decompose spontaneously. II (1 g.) in 20 ml. MeOH, saturated with HCl at 0° and refluxed 2 hrs., gives 0.5 g. of the Me ester, m. 97°; Et ester (III), m. 99.5°. The Et ester of I (2 g.), 10 ml. AcOH, and 30 ml. H2O2, heated 3 hrs. on the water bath, give 1.1 g. III.

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1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

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: 1265884-98-7, is researched, Molecular C34H22NO2P, about Construction of Vicinal Quaternary Centers via Iridium-Catalyzed Asymmetric Allenylic Alkylation of Racemic Tertiary Alcohols, the main research direction is tertiary alc silyl ketene acetal iridium enantioselective allenylic alkylation; allenyl ester stereoselective preparation vicinal quaternary center; iridium enantioselective regioselective allenylic alkylation catalyst.Quality Control of 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine.

Enantioselective bond formation between sterically hindered fragments to furnish acyclic products with vicinal quaternary centers is a formidable challenge. We report a solution that involves cocatalysis between a chiral Ir-(phosphoramidite, olefin) complex and La(OTf)3. This robust catalytic system effects highly enantioconvergent and regioselective alkylation of racemic tertiary α-allenyl alcs. with tetrasubstituted silyl ketene acetals. The transformation displays broad functional group tolerance for both reaction components and allows efficient generation of β-allenyl ester products in good yield and with excellent enantioselectivity. Furthermore, both the allene and ester functionalities were leveraged to upgrade the structural complexity of the products via a series of stereoselective metal-catalyzed functionalization reactions.

Compound(1265884-98-7)Quality Control of 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine received a lot of attention, and I have introduced some compounds in other articles, similar to this compound(5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine), if you are interested, you can check out my other related articles.

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1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

Li, Heran; Wu, Xueqian; Yang, Baixue; Li, Jing; Xu, Lu; Liu, Hongzhuo; Li, Sanming; Xu, Jinghua; Yang, Mingshi; Wei, Minjie published an article about the compound: H-Trp-OMe.HCl( cas:7524-52-9,SMILESS:N[C@@H](CC1=CNC2=CC=CC=C12)C(OC)=O.[H]Cl ).Electric Literature of C12H15ClN2O2. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:7524-52-9) through the article.

Herein, three kinds of mesoporous silica nanoparticles (BMSs) were biomimetically synthesized by using heterocyclic amino acid derivatives as template and their the basic capacity in being drug carriers that covered structure, wettability, degradation, brain uptake, hemocompatibility and toxicity were systematically evaluated. The results indicated that BMSs were kinds of spherical nanoparticles with good biocompatibility. Their in vitro and in vivo behaviors, including degradation, biodistribution and biocompatibility were mainly governed by the wettability which was closely related to the structure and pore diameter of mesoporous silica nanoparticles. BMSs can degrade completely under simulated physiol. environments through a time period of 2-13 wk. They showed the tendency of brain distribution, and the distribution amount peaked at 4 h post administration. Particularly, Trp-BMS (BMS templated by C16-L-tryptophan) with the largest amount of -OH groups on the surface exhibited highest wettability, fastest degradation rate and the lowest brain distribution ability. Besides, His-BMS (BMS templated by C16-L-histidine) and Pro-BMS (BMS templated by C16-L-poline) were silica materials with good biocompatibility. Both in vitro and in vivo studies uncovered no significantly toxicity for BMSs and they were proved to be safe when they circulated into the blood. However, Trp-BMS might induce severe hemolysis and cell cycle arrest due to the high wettability. It is believed that appropriate wettability is required for the in vivo application of nanomaterials and the in vivo evaluation of mesoporous silica nanoparticles will provide useful information for understanding the underlining toxicity of biomaterials and bring new insights on designing efficient drug delivery systems.

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Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem