Heterociclos con oxígeno (O)

<p>Applications 5-Fluorobenzofuran-3-one<br></p>

<p>Applications 5-Bromo-7-ethyl-2-formyl-benzofuran (cas# 137206-73-6) is a compound useful in organic synthesis.<br></p>

<p>Applications Methyl 5-bromofuran-2-carboxylate<br></p>

<p>Applications N-(2-acetyl-1-benzofuran-3-yl)-2-chloroacetamide (cas# 855715-46-7) is a useful research chemical.<br></p>

<p>Applications 7-Bromo-1-benzofuran<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>

<p>Stability Moisture Sensitive<br>Applications (3R,4R)-Dihydro-3,4-bis(phenylmethoxy)-2,5-furandione is an intermediate in the synthesis of N-alkenylsuccinimide derivatives.<br>References Ohwada, J., et al.: Bull. Chem. Soc. Jap., 63, 287 (1990);<br></p>

<p>Applications 5-[2-(Trifluoromethoxy)phenyl]-2-furancarboxylic Acid is a reactant used in the preparation of (phenyl)-N-[(mercapto)(pyrrolyl)triazolyl]furancarboxamide and (phenoxy)-N-[(mercapto)(pyrrolyl)triazolyl]acetamide derivatives as herbicides.<br>References Xue, S., Lu, C.: Youji Huaxue, 28, 1083 (2008)<br></p>

<p>Applications Benzofuran-3(2H)-one is a useful research chemical, an intermediate used in the catalytic asymmetric synthesis of chiral benzofuranones.<br>References Li, Y., et al.: Adv. Synth. Catal., 356, 1172 (2014); Huang, Z., et al.: Org. Lett., 19, 3524 (2017)<br></p>

<p>Applications 5-Nitro-1-benzofuran is a chemical reagent used in the synthesis of internal alkynes. Also used in the preparation of anti-oxidants quinolines.<br>References Lu, L. et al.: Eur. J. Org. Chem., 2013, 1644 (2013); Kuzmin, V. et al.: Russ. Chem. Bull., 57, 2405 (2008);<br></p>

<p>Applications 5-[3-(Trifluoromethoxy)phenyl-2-Furancarboxylic Acid is the structural analogue of 5-[2-(Trifluoromethoxy)phenyl]-2-furancarboxylic Acid (T790925), a reactant used in the preparation of (phenyl)-N-[(mercapto)(pyrrolyl)triazolyl]furancarboxamide and (phenoxy)-N-[(mercapto)(pyrrolyl)triazolyl]acetamide derivatives as herbicides.<br>References Xue, S., Lu, C.: Youji Huaxue, 28, 1083 (2008)<br></p>

<p>Applications furan-2,5-dicarbohydrazide (cas# 26095-97-6) is a useful research chemical.<br></p>

<p>2-(Benzofuran-2-yl)acetic acid is a glp-1 analogue that has been shown to inhibit fatty acid synthesis in the test tube. It has also shown an inhibitory effect on cardiac arrhythmia and chloride ion channel activity, which may be due to the dipole nature of its structure. 2-(Benzofuran-2-yl)acetic acid is not active against microbial infections. The chemical compound is a tautomer of 2-[(benzofuran-2-yl)amino]acetic acid.</p>

<p>2,3-Dihydro-1,4-dithiino[2,3-c]furan-5,7-dione is a coordination polymer that contains both an anhydride and a hydroxide group. It has been shown to form a coordination polymer with lithium hydroxide as the counterion. The topological spaces of the polymer are not limited by the size of the monomer unit. This coordination polymer has been shown to form through reaction with lithium hydroxide in water at room temperature.</p>

<p>2,5-Dibromofuran is a synthetic chemical that is synthesized from acetonitrile and palladium-catalyzed cross-coupling reaction. It can be obtained by the reaction of sodium in anhydrous form with bromine and subsequent evaporation to dryness. 2,5-Dibromofuran has been shown to reversibly react with chloride at room temperature for one hour, which can be attributed to its electron withdrawing properties. The FTIR spectra of 2,5-dibromofuran show bands corresponding to carbonyl and hydroxyl groups. This chemical has been used in synthesis methods involving surfactants and anhydrous sodium chloride as well as uv irradiation.</p>

<p>2-Bromofuran is a metal carbonyl and a pyrazole ring. It has been shown to bind to the CB2 receptor and may have some activity on the nervous system. 2-Bromofuran has been shown to be effective in treating chronic kidney disease and polycystic ovarian syndrome with acetylcholine. The electrochemical data for this molecule has shown that it can form hydrogen bonds when combined with cholinergic molecules.</p>