Heterociclos com Oxigénio (O)

Applications 2,5-Furandicarboxylic Acid Diethyl Ester (cas# 53662-83-2) is a compound useful in organic synthesis.

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.
References Xue, S., Lu, C.: Youji Huaxue, 28, 1083 (2008)

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

Applications (2S)-2-​Ethynyltetrahydro-​furan is a heterocyclic chemical reagent used in organic synthesis.

Applications Dibenzo[b,d]furan-2-sulfonic acid (cas# 83863-63-2) is a useful research chemical.

Applications 5-Formylfuran-2-boronic Acid Pinacol Ester could be useful for the diastereoselective synthesis of cyclic peptide macrocycles via Petasis borono-Mannich reaction
References Yamaguchi, A., et al.: Chem. Commun. (Cambridge, U. K.), 55, 10567 (2019)

Applications 5-hydroxy-2,5-dihydrofuran-2-one (cas# 14032-66-7) is a useful research chemical.

Stability Volatile
Applications 3,4-Dimethylfuran (cas# 20843-07-6) is a compound useful in organic synthesis.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Applications 4,5-Dimethyl-3-hydroxy-2(5H)-furanone is a fragrant compound that is a key indicator of maple syrup urine disease, a disorder affecting newborn children that is the result of its inability to properly metabolize Valine (V094205), Leucine (L330110) and Isoleucine (I820175). 4,5-Dimethyl-3-hydroxy-2(5H)-furanone is naturally found in fenugreek seeds, and is an odourant present in sherry wines.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Blank, I., et al.: Prog. Flav. Prec. Stud., No vol. given, 103 (1993); Guerra, P. & Yaylayan, V.: J. Agr. Food Chem., 59, 4699 (2011); Mackenzie, D. & Woolf, L.: Brit. Med. J., 1, 90 (1959); Podebrad, F., et al.: J. Inh. Metab. Dis., 22, 107 (1999)

Applications 3-{4-[(furan-2-ylmethyl)sulfamoyl]phenyl}prop-2-enoic acid (cas# 391229-93-9) is a useful research chemical.

Applications Methyl 2-Deoxy-D-erythropentafuranose 5-(2,2-Dimethylpropanoate) is an intermediate for the synthesis of 2-Deoxy-D-threopentofuranoside.

Applications 5-(Aminomethyl)furan-2-carboxylic Acid Hydrochloride is a useful reagent in the preparation of novel heteroaromatic substrates of GABA aminotransferase.
References Hawker, D. D., et al.: Bioorg. Med. Chem., 20, 5763 (2012)

Applications 2-Carboxyfuran-5-boronic acid, pinacol ester