Tag: M.W:200-300

Application In Synthesis of H-Trp-OMe.HCl. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: H-Trp-OMe.HCl, is researched, Molecular C12H15ClN2O2, CAS is 7524-52-9, about Construction of thioamide peptide via sulfur-involved amino acids/amino aldehydes coupling. Author is Liao, Yanyan; Jiang, Xuefeng.

A sulfur-involved ligation for thioamide quasi-peptides was developed via amino acids and amino aldehydes coupling. The key to the transformation was the chelation of copper with imines for chiral activation and fixation. In this environment, linear polysulfur decreased the alkalinity of single sulfur anions to prevent racemization caused by the interaction between sulfur and sodium sulfide. Dipeptides, tripeptides, tetrapeptides, and the linkage between the drug and amino acids were successfully obtained.

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Reference:
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 Convenient method for the synthesis of some novel chiral methyl 2-(2-oxo-2H-benzo[e][1,3]oxazin-3(4H)-yl)propanoate derivatives and biological evaluation of their antioxidant, cytotoxic, and molecular docking properties, published in 2021-02-28, which mentions a compound: 7524-52-9, Name is H-Trp-OMe.HCl, Molecular C12H15ClN2O2, Recommanded Product: 7524-52-9.

Ten chiral Me 2-(2-oxo-2H-benzo[e][1,3]oxazin-3(4H)-yl)propanoate derivatives, e.g. I, have been synthesized from optically pure amino Me phenols and 4-nitrophenyl chloroformate. Synthesized ester derivatives were screened for their in vitro antioxidant activity. Title compounds have exhibited comparable antioxidant activity with ascorbic acid as a standard Further, the in vitro cytotoxicity of these compounds were studied through MTT cell proliferation assay in addition the effect on LDH leakage and NO release. Among the derivatives, I showed extremely best activity and the IC50 value (12.54 ± 0.71μM) is very close to doxorubicin (7.2 ± 0.58μM) as a standard Also, mol. docking studies have been carried out with STAT-3 (PDB ID: 1BG1) and BCL-2 (PDB ID: 4AQ3) proteins against the four active compounds, e.g. I. The binding energies of the tested compounds were in the range of -7.76 to -8.41 kcal/mol, which is very close to doxorubicin (-8.53 kcal/mol) as a standard These mol. docking results are in good agreement with the in vitro studies.

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

Formula: C12H15ClN2O2. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: H-Trp-OMe.HCl, is researched, Molecular C12H15ClN2O2, CAS is 7524-52-9, about Photochemical chemoselective alkylation of tryptophan-containing peptides. Author is Laroche, Benjamin; Tang, Xinjun; Archer, Gaetan; Di Sanza, Riccardo; Melchiorre, Paolo.

We report a photochem. method for the chemoselective radical functionalization of tryptophan (Trp)-containing peptides. The method exploits the photoactivity of an electron donor-acceptor complex generated between the tryptophan unit and pyridinium salts. Irradiation with weak light (390 nm) generates radical intermediates right next to the targeted Trp amino acid, facilitating a proximity-driven radical functionalization. This protocol exhibits high chemoselectivity for Trp residues over other amino acids and tolerates biocompatible conditions.

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

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.Wang, Haiqi; Song, Hongjian researched the compound: H-Trp-OMe.HCl( cas:7524-52-9 ).Quality Control of H-Trp-OMe.HCl.They published the article 《Synthesis of Four Optical Isomers of Antiviral Agent NK0209 and Determination of Their Configurations and Activities against a Plant Virus》 about this compound( cas:7524-52-9 ) in Journal of Agricultural and Food Chemistry. Keywords: NK0209 isomer preparation antiviral tobacco mosaic virus antiviral; NK0209; antiviral activity; isomers; spatial configuration; synthesis. We’ll tell you more about this compound (cas:7524-52-9).

Previously, we reported for the first time that harmala alkaloids harmine and tetrahydroharmine exhibit activity against plant viruses, and we developed an analog, designated NK0209, that efficiently prevents and controls plant virus diseases. Here, to investigate the influence of the spatial configuration of NK0209 on its antiviral activities, we synthesized its four optical isomers, determined their configurations, and evaluated their activities against tobacco mosaic virus. All four isomers were significantly more active than ningnanmycin, which is one of the most successful com. antiviral agents, with in vivo inactivation, cure, and protection rates of 57.3±1.9%, 54.2±3.3%, 55.0±4.1% at 500μg/mL. Furthermore, anal. of structure-activity relationships demonstrated for the first time that the spatial conformation of NK0209 is an important determinant of its antiviral activity, and our results provide information about the possible optimum configuration for interaction of this mol. with its target protein.

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

SDS of cas: 7524-52-9. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: H-Trp-OMe.HCl, is researched, Molecular C12H15ClN2O2, CAS is 7524-52-9, about A facile synthesis of meta- and para-terphenylglyoxamide-based peptidomimetics. Author is Yu, Tsz Tin; Bhadbhade, Mohan; Kuppusamy, Rajesh; Black, David St. C.; Kumar, Naresh.

A series of meta- and para-terphenylglyoxamide peptidomimetics have been synthesized by the ring-opening of 5-(biphenylyl)-N-acylisatins with alcs., amines and amino acid Me esters. The starting 5-(biphenylyl)isatins were synthesized via the Suzuki-Miyaura coupling reaction in a convenient and efficient manner.

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

Quality Control of 6,7-Dichlorobenzo[d]thiazol-2-amine. 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: 6,7-Dichlorobenzo[d]thiazol-2-amine, is researched, Molecular C7H4Cl2N2S, CAS is 25150-27-0, about Identification of a novel series of tetrahydrodibenzazocines as inhibitors of 17β-hydroxysteroid dehydrogenase type 3. Author is Fink, Brian E.; Gavai, Ashvinikumar V.; Tokarski, John S.; Goyal, Bindu; Misra, Raj; Xiao, Hai-Yun; Kimball, S. David; Han, Wen-Ching; Norris, Derek; Spires, Thomas E.; You, Dan; Gottardis, Marco M.; Lorenzi, Matthew V.; Vite, Gregory D..

A novel series of 17β-hydroxysteroid dehydrogenase type 3 (17β-HSD3) inhibitors has been identified. These inhibitors, based on a dibenzazocine core, exhibited picomolar to low nanomolar inhibition of 17β-HSD3 in cell-free enzymic as well as in cell-based transcriptional reporter assays.

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Reference:
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 of 2-D-L-tryptophan by sequential Ir-catalyzed reactions, published in 2019-04-12, which mentions a compound: 7524-52-9, Name is H-Trp-OMe.HCl, Molecular C12H15ClN2O2, Safety of H-Trp-OMe.HCl.

Herein, we report a practical synthesis of 2-D-L-tryptophan via sequential Ir-catalyzed C-H borylation, and Ir-catalyzed C-2-deborylative deuteration steps. In this synthetic sequence, deprotection of the Boc (Boc = tert-butoxycarbonyl) and Me ester groups proved challenging, due to replacement of deuterium with hydrogen. However, mild deprotection conditions were developed to avoid this D/H scrambling. Further, 2-D-L-tryptophan is stable in many buffers used for biol. studies.

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

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.Samsawat, Tipparat; Jaramornburapong, Chanjira; Phutdhawong, Weerachai; Phutdhawong, Waya S.; Taechowisan, Thongchai researched the compound: H-Trp-OMe.HCl( cas:7524-52-9 ).Formula: C12H15ClN2O2.They published the article 《Evaluating the effect of amine-geldanamycin hybrids on anticancer activity》 about this compound( cas:7524-52-9 ) in Journal of Applied Pharmaceutical Science. Keywords: amine geldanamycin hybrid anticancer activity mol docking solubility. We’ll tell you more about this compound (cas:7524-52-9).

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

Application In Synthesis of H-Trp-OMe.HCl. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: H-Trp-OMe.HCl, is researched, Molecular C12H15ClN2O2, CAS is 7524-52-9, about Access to Benzazepinones by Pd-Catalyzed Remote C-H Carbonylation of γ-Arylpropylamine Derivatives. Author is Martinez-Mingo, Mario; Rodriguez, Nuria; Gomez Arrayas, Ramon; Carretero, Juan C..

A general method for the construction of seven-membered rings through Pd-catalyzed C(sp2)-H carbonylation at the remote ε-position of γ-arylpropylamine derivatives, including chiral α-amino acids, was developed using Mo(CO)6 as the CO source, furnishing richly functionalized benzo[c]azepin-1-one derivatives The readily removable N-SO2Py protecting/directing group provides high levels of chemo-, regio- and diastereoselectivity. Furthermore, this method is amenable to the postsynthetic modification of complex mols. such as small peptides.

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

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 2-Bromo-6-(bromomethyl)naphthalene(SMILESS: BrCC1=CC2=CC=C(Br)C=C2C=C1,cas:305798-02-1) is researched.Related Products of 707-61-9. The article 《Utilization of Donor-Acceptor Interactions for the Catalytic Acceleration of Nucleophilic Additions to Aromatic Carbonyl Compounds》 in relation to this compound, is published in Angewandte Chemie, International Edition. Let’s take a look at the latest research on this compound (cas:305798-02-1).

A conceptually new method for the catalytic electrophilic activation of aromatic carbonyl substrates, by utilizing donor-acceptor interactions between an electron-deficient macrocyclic boronic ester host ([2+2]BTH-F) and an aromatic carbonyl guest substrate, was realized. In the presence of a catalytic amount of [2+2]BTH-F, dramatic acceleration of the nucleophilic addition of a ketene silyl acetal towards either electron-rich aromatic aldehydes or ketones was achieved. Several control experiments confirmed that inclusion of the aromatic substrates within [2+2]BTH-F, through efficient donor-acceptor interactions, is essential for the acceleration of the reaction.

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