Category: benzofurans

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 Evidence in primates supporting the use of chemogenetics for the treatment of human refractory neuropsychiatric disorders, published in 2021-12-01, which mentions a compound: 2923-28-6, Name is Silver(I) trifluoromethanesulfonate, Molecular CAgF3O3S, Safety of Silver(I) trifluoromethanesulfonate.

Non-human primate (NHP) models are essential for developing and translating new treatments that target neural circuit dysfunction underlying human psychopathol. As a proof-of-concept for treating neuropsychiatric disorders, we used a NHP model of pathol. anxiety to investigate the feasibility of decreasing anxiety by chemogenetically (DREADDs [designer receptors exclusively activated by designer drugs]) reducing amygdala neuronal activity. Intraoperative MRI surgery was used to infect dorsal amygdala neurons with AAV5-hSyn-HA-hM4Di in young rhesus monkeys. In vivo microPET studies with [11C]-deschloroclozapine and postmortem autoradiog. with [3H]-clozapine demonstrated selective hM4Di binding in the amygdala, and neuronal expression of hM4Di was confirmed with immunohistochem. Addnl., because of its high affinity for DREADDs, and its approved use in humans, we developed an individualized, low-dose clozapine administration strategy to induce DREADD-mediated amygdala inhibition. Compared to controls, clozapine selectively decreased anxiety-related freezing behavior in the human intruder paradigm in hM4Di-expressing monkeys, while coo vocalizations and locomotion were unaffected. These results are an important step in establishing chemogenetic strategies for patients with refractory neuropsychiatric disorders in which amygdala alterations are central to disease pathophysiol.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Silver(I) trifluoromethanesulfonate, is researched, Molecular CAgF3O3S, CAS is 2923-28-6, about Activation of small molecules by an amphiphilic phosphinito bridged Pt(I)-Pt(I) complex, the main research direction is review amphiphilic phosphinito bridged platinum dinuclear nucleophile electrophile.Category: benzofurans.

A review. The complex [(PHCy2)Pt(μ-PCy2){κ2P,O-μ-P(O)Cy2}Pt(PHCy2)](Pt-Pt) (1) constitutes a rare example of unsym. phosphinito diplatinum species that, due to the simultaneous presence of a soft binding atom (P) linked to a hard one (O), undergoes smooth reaction with nucleophiles, electrophiles, dihydrogen and terminal alkynes. The tested nucleophiles were PHCy2, PCy3, P(S)HCy2 and CO, whereas the investigated electrophiles were several Bronsted acids as well as metal based species (AuCl, Au(PPh3)Cl, AgX, X = OTf, BF4, ClO4, Cl, (PPh3)OTf). The alkynes used in reaction with 1 were (trimethylsilyl)acetylene and phenylacetylene. In all cases the skeletal framework was preserved and in one case (reaction with diluted HF) dimerization led to a tetranuclear species.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – 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: 90866-33-4, is researched, SMILESS is O=C(OCC)C[C@@H](O)CCl, Molecular C6H11ClO3Journal, Evaluation Study, Article, Research Support, Non-U.S. Gov’t, Journal of Industrial Microbiology & Biotechnology called Bioconversion of ethyl 4-chloro-3-oxobutanoate by permeabilized fresh brewer’s yeast cells in the presence of allyl bromide, Author is Yu, Ming-An; Wei, Yu-Meng; Zhao, Ling; Jiang, Lan; Zhu, Xiao-bing; Qi, Wei, the main research direction is brewers yeast reduction permeabilized.Computed Properties of C6H11ClO3.

Ethyl(R)-4-chloro-3-hydroxybutanoate ((R)-CHBE) was obtained by cetyltrimetylammonium bromide (CTAB) permeabilized fresh brewer’s yeast whole cells bioconversion of Et 4-chloro-3-oxobutanoate (COBE ) in the presence of allyl bromide. The results showed that the activities of alc. dehydrogenase (ADH) and glucose-6-phosphate dehydrogenase (G6PDH) in CTAB permeabilized brewer’s yeast cells increased 525 and 7.9-fold, resp., compared with that in the nonpermeabilized cells and had high enantioselectivity to convert COBE to (R)-CHBE. As one of co-substrates, glucose-6-phosphate was preprepared using glucose phosphorylation by hexokinase-catalyzed of CTAB permeabilized brewer’s yeast cells. In a two phase reaction system with Bu acetate as organic solvent and with 2-propanol and glucose-6-phosphate as co-substrates, the highest (R)-CHBE concentration of 447 mM was obtained with 110-130 g/l of the CTAB permeabilized cells at optimized pH, temperature, feeding rate and the shake speed of 125 r/min. The yield and enantiomeric excess (ee) of (R)-CHBE reached 99.5 and 99%, resp., within 6 h.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – 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 Short synthesis of (R)- and (S)-4-amino-3-hydroxybutyric acid (GABOB), published in 2005-03-07, which mentions a compound: 90866-33-4, Name is (R)-Ethyl 4-chloro-3-hydroxybutanoate, Molecular C6H11ClO3, Reference of (R)-Ethyl 4-chloro-3-hydroxybutanoate.

A simple and stereospecific synthesis of both (R)- and (S)-GABOB has been developed. The synthetic approach involves the conversion, through organoselenium intermediates, of com. available Et (R)- and (S)-4-chloro-3-hydroxybutyrate into a protected 1,2-amino alc. with retention of the original configuration.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – 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: Bis(2,5-dioxopyrrolidin-1-yl) O,O’-ethane-1,2-diyl disuccinate, is researched, Molecular C18H20N2O12, CAS is 70539-42-3, about Argpyrimidine-tagged rutin-encapsulated biocompatible (ethylene glycol dimers) nanoparticles: Synthesis, characterization and evaluation for targeted drug delivery.Application In Synthesis of Bis(2,5-dioxopyrrolidin-1-yl) O,O’-ethane-1,2-diyl disuccinate.

Diabetes mellitus represents a major metabolic disorder affecting millions of people all over the world. Currently available therapeutic treatments are not good enough to control the long-term complications of diabetes. Active targeting via inclusion of a specific ligand on the nanoparticles provides effective therapeutic approach in different diseases. However, such specific drug delivery systems have not been explored much in diabetes due to lack of suitable biol. targets in this disorder. Our objective is to synthesize a ligand-tagged drug-loaded nanoparticle for delivery of the drug at specific sites to enhance its therapeutic efficiency in diabetic condition. The nanoparticles have been prepared by using biocompatible ethylene glycol-bis (succinic acid N-hydroxysuccinimide ester) dimers. Although advanced glycation end products (AGEs) are the root causes of diabetic complications, argpyrimidine, an AGE, possesses antioxidant and reducing activities. AGE interacts selectively with its cell surface receptors (RAGE), which are significantly increased in diabetic condition. We have selected RAGE as the target of argpyrimidine, which is tagged on the nanoparticles as a ligand. Rutin, having anti-hyperglycemic and anti-glycating activities, has been used for nanoencapsulation. Rutin-loaded argpyrimidine-tagged nanoparticles have been synthesized and characterized. We have demonstrated the drug releasing capacity and target specificity of the synthesized drug delivery system under ex vivo and in vivo conditions.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

Computed Properties of C19H19N2NaO2. 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: Sodium 4-butyl-3,5-dioxo-1,2-diphenylpyrazolidin-4-ide, is researched, Molecular C19H19N2NaO2, CAS is 129-18-0, about Antagonism by antiinflammatory analgesics of prostaglandin F2α-induced contractions of human and rabbit myometrium in vitro. Author is Smith, Ian D.; Temple, Diana M.; Shearman, Rodney P..

In isolated human pregnant myometrial strips or isolated rabbit nonpregnant myometrium, the antiinflammatory analgesic drugs aspirin [50-78-2], Na indomethacin [7681-54-1], Na phenylbutazone (I-Na salt) [129-18-0], Na mefenamate [1804-47-3], Na ibuprofen [31121-93-4], and Na flurbiprofen [56767-76-1] inhibited in a dose-dependent manner the force of contraction stimulated by adding PGF2α (II) [551-11-1] to the tissue bath. In addition to these drugs, Na flufenamate [1977-00-0] and salicin [138-52-3] showed a similar antagonism of the action of II in the rabbit nonpregnant tissue. The ratio of the inhibitory concentration in vitro suggests that I and possibly ibuprofen may be capable of inhibiting human uterine contractions in vivo. Patients who were treated with aspirin during induction of abortion using II during the 2nd trimester of pregnancy showed no significant change in the induction-abortion interval compared with patients not taking aspirin.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

Application of 70539-42-3. 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: Bis(2,5-dioxopyrrolidin-1-yl) O,O’-ethane-1,2-diyl disuccinate, is researched, Molecular C18H20N2O12, CAS is 70539-42-3, about Shell-crosslinked knedel-like nanoparticles induce lower immunotoxicity than their non-crosslinked analogs. Author is Elsabahy, Mahmoud; Samarajeewa, Sandani; Raymond, Jeffery E.; Clark, Corrie; Wooley, Karen L..

The development of stable nanoparticles that can withstand the changing conditions experienced in a biol. setting and also be of low toxicity and immunogenicity is of particular importance to address the problems associated with currently utilized nanotechnol.-based therapeutics and diagnostics. The use of crosslinked nanoparticles continues to receive special impetus, due to their robust structure and high kinetic stability, and they have recently been shown to induce lower cytotoxicity than their non-crosslinked micellar counterparts. In the current study, poly(acrylamidoethylamine)-block-poly(D,L-lactide) (PAEA90-b-PDLLA40) copolymers were synthesized, self-assembled in water to yield nanoscopic polymeric micelles, and the effects of decorating the micellar surface with poly(ethylene glycol) (i.e. PEGylation) and crosslinking the PAEA layer to varying extents on the physicochem. characteristics, cytotoxicity and immunotoxicity of the nanoparticles were studied. Herein, we report for the first time that crosslinking can efficiently reduce the immunotoxicity of polymeric nanomaterials. In addition, increasing the degree of crosslinking further reduced the accessibility of biomols. to the core of the nanoparticles and decreased their cytotoxicity and immunotoxicity. It is also highlighted that crosslinking can be more efficient than PEGylation in reducing the immunotoxicity of nanomaterials. Shell-crosslinking of block copolymer micelles, therefore, is expected to advance their clin. development beyond the earlier known effects, and to broaden the implications in the field of nanomedicine.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – 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.Maurer, T. researched the compound: Sodium 4-butyl-3,5-dioxo-1,2-diphenylpyrazolidin-4-ide( cas:129-18-0 ).Category: benzofurans.They published the article 《Predictive evaluation of the allergenic effect of drugs and dyes in experimental animals》 about this compound( cas:129-18-0 ) in Acta Pharmaceutica Technologica, Supplement. Keywords: allergy pharmaceutical dye pigment. We’ll tell you more about this compound (cas:129-18-0).

The allergenic potency of the pharmaceutical dyes tartrazine [1934-21-0], amaranth [915-67-3], erythrosine [16423-68-0], yellow orange S [2783-94-0], and indigotin [482-89-3], the pharmaceutical pigments TiO2, Fe oxide black (FeO·Fe2O3), Fe oxide red (Fe2O3), and Fe oxide yellow (Fe2O3·H2O), and of aminophenazone (I) [58-15-1] acetylsalicylic acid (II) [50-78-2], phenylbutazone (III) [50-33-9], and voltaren [15307-79-6] was determined by intradermal or epidermal provocation after a sensitizing series of intradermal applications with adjuvants to guinea pig skin. With the intradermal provocation, all the dyes elicited an allergic response; tartrazine produced the slightest response; an epidermal contact allergic reaction was observed only with indigotin. None of the pigments induced an allergic response. However, an allergic reaction was observed following the intradermal provocation with I and III. Conversion of the drugs and tartrazine to their Na salts was not a potentiating factor but rather an inhibiting factor for the induction of an allergic response. Cross-reactions were observed only between tartrazine and II.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – 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: 2923-28-6, is researched, Molecular CAgF3O3S, about Halogen Bonds of Iodonium Ions: A World Dissimilar to Silver Coordination, the main research direction is iodonium halogen bond silver complex comparison.Electric Literature of CAgF3O3S.

A distinct difference between the three-center halogen bond and the analogous three-center coordinative bond of silver is demonstrated by computational, X-ray crystallog. and solution NMR spectroscopic investigations of their complexes with a bidentate Lewis base. Iodine(I) preferentially forms an entropically favored monomeric complex, whereas silver(I) forms enthalpically favored dimeric complexes. Counterion coordination considerably influences the structure of the silver complexes in the solution and solid state, whereas it does not have notable effect on the analogous halogen bond.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Design, synthesis, and photophysical properties of Re(I) tricarbonyl 1,10-phenanthroline complexes, published in 2021-01-05, which mentions a compound: 2923-28-6, mainly applied to preparation crystal structure rhenium tricarbonyl phenanthroline complex; luminescence cyclic voltammetry rhenium tricarbonyl phenanthroline complex, Formula: CAgF3O3S.

A series of [Re(5-R-phen)(CO)3(X)]0/+, where phen = 1,10-phenanthroline, R = H, CN, COOH, COONH2, and X = Cl or pyridine, was prepared and characterized by elemental analyses, NMR, visible/UV, emission and cyclic voltammetry. The complexes absorb in the near-UV region of the spectrum, emit between 550 and 600 nm with emission lifetimes between 150 and 500 ns, undergo irreversible oxidation at 1.45 V and a reversible reduction of the 1,10-phenanthroline ligand near -1.30 V vs. Ag/AgCl in acetonitrile.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem