Category: benzofurans

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: 129-18-0, is researched, SMILESS is O=C(N(C1=CC=CC=C1)N2C3=CC=CC=C3)[C-](CCCC)C2=O.[Na+], Molecular C19H19N2NaO2Journal, Article, Experientia called Comparative dominant lethal studies with phenylbutazone, thio-TEPA, and methyl methanesulfonate [MMS] in the mouse, Author is Machemer, L.; Hess, R., the main research direction is phenylbutazone lethal mutation; thio TEPA lethal mutation; methanesulfonate lethal mutation; spermatogenesis thio TEPA; spermatozoa methanesulfonate.Safety of Sodium 4-butyl-3,5-dioxo-1,2-diphenylpyrazolidin-4-ide.

Thio-TEPA (I) [52-24-4] (5 and 10 mg/kg) and Me methanesulfonate (II) [66-27-3] (50 and 100 mg/kg) given i.p. to male rats before mating induced dominant lethal effects, whereas Na phenylbutazone (III Na salt) [129-18-0] (50 and 100 mg/kg, i.p.) did not. I was highly effective on the postmeiotic stages of spermatogenesis, whereas I was highly effective on epididymal and testicular spermatozoa.

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Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Silver(I) trifluoromethanesulfonate( cas:2923-28-6 ) is researched.Quality Control of Silver(I) trifluoromethanesulfonate.Waters, Jessica E.; Berger, Georg; Peel, Andrew J.; Garcia-Rodriguez, Raul; Bond, Andrew D.; Wright, Dominic S. published the article 《Uncovering the Hidden Landscape of Tris(4-pyridyl) Ligands: Topological Complexity Derived from the Bridgehead》 about this compound( cas:2923-28-6 ) in Chemistry – A European Journal. Keywords: preparation tin antimony bismuth trispyridyl ligand complex; crystal structure tin antimony bismuth trispyridyl ligand complex; structure directing tin antimony bismuth trispyridyl ligand complex; coordination networks; main-group synthesis; pnictogens; topology; tripodal ligands. Let’s learn more about this compound (cas:2923-28-6).

Supramol. main group chem. is a developing field which parallels the conventional domain of metallo-organic chem. Little explored building blocks in this area are main group metal-based ligands which have the appropriate donor symmetry to build desired mol. or extended arrangements. Tris(pyridyl) main group ligands (E(py)3, E = main group metal) are potentially highly versatile building blocks since shifting the N-donor arms from the 2- to the 3-positions and 4-positions provides a very simple way of changing the ligand character from mononuclear/chelating to multidentate/metal-bridging. Here, the coordination behavior of the first main group metal tris(4-pyridyl) ligands, E(4-py)3 (E = Sb, Bi, Ph-Sn) is explored, as well as their ability to build metal-organic frameworks (MOFs). The complicated topol. of these MOFs shows a marked influence on the counteranion and on the ability of the E(4-py)3 ligands to switch coordination mode, depending on the steric and donor character of the bridgehead. This structure-directing influence of the bridgehead provides a potential building strategy for future mol. and MOF design in this area.

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Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

Safety of (1S,2S)-N1,N2-Bis(3,3-dimethylbutyl)-N1,N2-dimethylcyclohexane-1,2-diamine. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: (1S,2S)-N1,N2-Bis(3,3-dimethylbutyl)-N1,N2-dimethylcyclohexane-1,2-diamine, is researched, Molecular C20H42N2, CAS is 767291-67-8, about Asymmetric Lithiation Trapping of N-Boc Heterocycles at Temperatures above -78 °C. Author is Gelardi, Giacomo; Barker, Graeme; O’Brien, Peter; Blakemore, David C..

The asym. lithiation trapping of N-Boc heterocycles using s-BuLi/chiral diamines at temperatures up to -20 °C is reported. Depending on the N-Boc heterocycle, lithiation is accomplished using s-BuLi and (-)-sparteine or the (+)-sparteine surrogate in the temperature range -50 to -20 °C for short reaction times (2-20 min). Subsequent electrophilic trapping or transmetalation-Negishi coupling delivered functionalized N-Boc heterocycles in 47-95% yield and 77:23-93:7 er. With N-Boc pyrrolidine, trapped products can be generated in ∼90:10 er even at -20 °C [e.g., 2 min reaction time at -20 °C afforded I (50% yield, 89:11 er) and II (23% yield, 91:9 er)].

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Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

Reid, M. E.; Bieri, J. G.; Plack, P. A.; Andrews, E. L. published the article 《Nutritional studies with the guinea pig. X. Determination of the linoleic acid requirement》. Keywords: CHROMATOGRAPHY; CITRATES; DERMATITIS; DIETARY FATS; ERYTHROCYTES; EXPERIMENTAL LAB STUDY; FATTY ACIDS, ESSENTIAL; GROWTH; GUINEA PIGS; KETOGLUTARIC ACID; LINOLEIC ACID; LIPID METABOLISM.They researched the compound: Sodium 4-butyl-3,5-dioxo-1,2-diphenylpyrazolidin-4-ide( cas:129-18-0 ).Application In Synthesis of Sodium 4-butyl-3,5-dioxo-1,2-diphenylpyrazolidin-4-ide. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:129-18-0) here.

cf. CA 59, 9144d. Young male guinea pigs were reared for 6-14 weeks with purified diets containing varying levels of linoleic acid as corn oil, safflower oil, or methyl linoleate. A dietary level of about 1% of calories as linoleic acid was necessary for normal growth and skin condition. The fatty acid composition of erythrocytes from animals fed safflower oil was determined and the ratios of 5,8,11-eicosatrienoic-to-arachidonic (20:3/20:4) or oleic-to-linoleic ( 18:1/18:2) acids compared with the performance of the animals with respect to growth and dermal symptoms. One per cent of calories as linoleic acid gave a 20:3/20:4 ratio of 0.13 to 0.17, and a 18:1/18:2 ratio of 1.41 to 1.14. Homogenates of liver from linoleic acid-deficient guinea pigs had an elevated rate of oxidation of citrate and α-ketoglutarate.

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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: Sodium 4-butyl-3,5-dioxo-1,2-diphenylpyrazolidin-4-ide, is researched, Molecular C19H19N2NaO2, CAS is 129-18-0, about Histamine release inhibition in antiinflammatory mechanism.Safety of Sodium 4-butyl-3,5-dioxo-1,2-diphenylpyrazolidin-4-ide.

Sinomenine (50 mg/kg, i.p., twice daily, increasing daily dose by 100 mg/kg for 6 days) depleted skin histamine by >80%, inhibited induced egg-white edema by 68%, and decreased the wall weight of croton oil-induced granuloma pouches in rats. Antiinflammatory drugs, sodium salicylate, aminopyrine, sodium butazolidine, cortisone, and guaiazulene, inhibited both degranulation and histamine release induced by compound 48/80 of mast cells isolated from rat peritoneal fluid, and this inhibitory action was decreased in the presence of glucose, dinitrophenol, dicumarol, and warfarin. Prevention of edema provoked by anti-rat serum was roughly correlated to the potency of degranulation-inhibiting effect of the antiinflammatory agents. Antiinflammatory agents may prevent histamine release from the tissue, mainly by inhibiting mast cell degranulation, and prevent the contraction of endothelial cells by their uncoupling activities.

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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 Chemical crosslinking approach to reveal spatial arrangement of subunits in PS II oxygen-evolving core complexes.Quality Control of Bis(2,5-dioxopyrrolidin-1-yl) O,O’-ethane-1,2-diyl disuccinate.

The spatial arrangement of subunits of photosystem II O2-evolving core complexes was analyzed by crosslinking the core complexes with bifunctional crosslinking agent [such as 1-ethyl-3-[3-(dimethylamino)propyl]carbodiimide, di-Me hexanedioate, N,N- dicyclohexylcarbodiimide, etc.] at room temperature for 10 min, terminating with 10% glycine solution, centrifuging, suspending in SMN buffer (composed of sucrose 0.4, NaCl 10, and Mes-NaOH 50 mM, its pH 6.0), and detecting via SDS-PAGE.

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Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

Paik, Chang H.; Quadri, Syed M.; Reba, Richard C. published the article 《Interposition of different chemical linkages between antibody and 111In-DTPA to accelerate clearance from non-target organs and blood》. Keywords: indium 111 DTPA antibody linkage biodistribution.They researched the compound: Bis(2,5-dioxopyrrolidin-1-yl) O,O’-ethane-1,2-diyl disuccinate( cas:70539-42-3 ).Computed Properties of C18H20N2O12. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:70539-42-3) here.

Two chem. labile linkages, disulfide and diester, and 2 stable linkages, thioether and hydrocarbon, were introduced between antibody and 111In-DTPA in order to modify their biodistributions. The biodistributions of the new linkages were evaluated in rats with target antigens localized in lungs. For comparison purpose, the antibody-DTPA conjugate with a peptide linkage was used as a control conjugate. The antibody conjugates with the stable linkages produced a biodistribution similar to that of the peptide-linked conjugate during a 48 h period. The disulfide and diester conjugates, however, cleared from blood much faster and were retained in normal organs much less than the peptide conjugate. The disulfide and the diester conjugate amplified the lung (target) to blood ratio by 15- and 6-fold, resp., at 48 h, as compared to the corresponding target to blood ratio of the control conjugate. Compared to the control conjugate, a 3-fold higher target to liver ratio was also obtained by the disulfide conjugate and a 4-fold higher target to kidney ratio was obtained by the diester conjugate at 48 h.

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Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 6-Fluoronicotinonitrile(SMILESS: N#CC1=CC=C(F)N=C1,cas:3939-12-6) is researched.COA of Formula: C6H4O3. The article 《Arylation, Vinylation, and Alkynylation of Electron-Deficient (Hetero)arenes Using Iodonium Salts》 in relation to this compound, is published in Organic Letters. Let’s take a look at the latest research on this compound (cas:3939-12-6).

Arylation, vinylation, and alkynylation of electron-deficient arenes and heteroarenes have been achieved by chemoselective C-H zincation followed by copper-catalyzed coupling reactions using iodonium salts. This approach offers a direct and general access to a wide scope of (hetero)biaryls as well as alkenylated and alkynylated heteroarenes under mild conditions. It is particularly useful and valuable for the rapid and modular synthesis of diverse (hetero)aryl compounds, as demonstrated in the synthesis of transient receptor potential vanilloid 1 (TRPV1) antagonists and angiotensin II receptor type 1 (AT1 receptor) antagonists.

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Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Inorganic Chemistry called Mole-Ratio-Dependent Reversible Transformation between 2:2 and Cyclic 3:6 Silver(I) Complexes with an Argentivorous Molecule, Author is Ju, Huiyeong; Abe, Tomoko; Takahashi, Yukari; Tsuruoka, Yumiko; Otsuka, Akihiro; Lee, Eunji; Ikeda, Mari; Kuwahara, Shunsuke; Habata, Yoichi, which mentions a compound: 2923-28-6, SMILESS is O=S(C(F)(F)F)([O-])=O.[Ag+], Molecular CAgF3O3S, Related Products of 2923-28-6.

A tetra-armed cyclen (L) with two substituted 3,5-difluorobenzyl and two substituted pyridine-4-yl Me groups at the 1,4- and 7,10-positions of the cyclen ring as side arms was synthesized. When L was reacted with 1 equiv of the silver(I), dimetallo[3.3]paracyclophane-like 2:2 cyclic dimer, [Ag2(L)2](PF6)2, was obtained. The reaction of L with 2 equiv of silver(I) gave a 3:6 cyclic trimer, [Ag6(L)3(CH3CN)3](OTf)6·3CH3CN. Furthermore, reversible complexation between the 2:2 cyclic dimer and 3:6 cyclic trimer was confirmed by 1H NMR and the CSI mass in the addition of silver(I) or the [2.2.2]cryptand.

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Dong, Guoqiang; Chen, Wei; Wang, Xia; Yang, Xinglin; Xu, Tianying; Wang, Pei; Zhang, Wannian; Rao, Yu; Miao, Chaoyu; Sheng, Chunquan published an article about the compound: 6-Fluoronicotinonitrile( cas:3939-12-6,SMILESS:N#CC1=CC=C(F)N=C1 ).Related Products of 3939-12-6. 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:3939-12-6) through the article.

Cancer metabolism and epigenetics are among the most intensely pursued research areas in anticancer drug discovery. Here we report the first small mols. that simultaneously inhibit nicotinamide phosphoribosyltransferase (NAMPT)and histone deacetylase (HDAC), two important targets of cancer metabolism and epigenetics, resp. Through iterative structure-based drug design, chem. synthesis, and biol. assays, a highly potent dual NAMPT and HDAC inhibitor was successfully identified. Compound 35 possessed excellent and balanced activities against both NAMPT (IC50 = 31 nM) and HDAC1 (IC50 = 55 nM). It could effectively induce cell apoptosis and autophagy and ultimately led to cell death. Importantly, compound 35 showed excellent in vivo antitumor efficacy in the HCT116 xenograft model. This proof-of-concept study demonstrates the feasibility of discovering an inhibitor targeting cancer metabolism and epigenetics and provides an efficient strategy for multitarget antitumor drug discovery.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem