Estándares farmacéuticos

Stability Unstable in Solution
Applications β-Ketoglutaric Acid is used in the synthesis of benzodiazepine derivatives. Also used in the synthesis of orally available hepatitis C virus polymerase inhibitors.
References Jung, D. et al.: Synth. Comm., 29, 1941 (1999); Li, H. et al.: J. Med. Chem., 52, 1255 (2009);

Applications 3,5-Diiodo-L-thyronine (4-Hydroxyphenyl-13C6) Hydrochloride is an isotopic analog of 3,5-Diiodo-L-thyronine (D455155), an iodinated thyronine hormone that regulates gene activity affecting processes such as homeostasis, lipid metabolism and insulin resistance.
References Huang, C.J., et al.: J. Mol. Cell. Cardiol., 31, 881-93 (1999);

Applications 9-Methylanthracene-d12 (CAS# 6406-97-9) is a useful isotopically labeled research compound.

Applications B-1-Naphthalenyl-boronic Acid is a useful synthetic intermediate. It is a reagent used to synthesize potassium aryltrifluoroborates which is a convenient precursor of arylboron difluoride lewis acids. It can also be used to prepare high yields of biaryls via Suzuki coupling.
References Vedejs, E., et al.: J. Org. Chem., 60, 3020 (1995); Larhed, M., et al.: Tetrahedron Lett., 37, 8219 (1996); Singh, R., et al.: 7, 1829 (2005)

Applications N-Des-tetrahydrofuran N-(6,7-Dimethoxy-4,4a-dihydroquinazolin-4-amine) Alfuzosin-d3 is an isotopic analog of N-Des-tetrahydrofuran N-(6,7-Dimethoxy-4,4a-dihydroquinazolin-4-amine) Alfuzosin (D297955), a dimer impurity of Alfuzosin (A532000).
References Ramage, A.G., et al.: Eur. J. Pharmacol., 129, 307 (1986); Deering, A.H.,: Brit. J. Clin. Pharmacol., 25, 417 (1988); Priolo, L.D., et al.: Eur. J. Clin. Pharmacol., 35, 25 (1988);

Applications α-2’-Deoxyguanosine is a reagent that forms a β-furanose anomer of imidazolone when photosensitized in the presence of benzophenone.
References Vialas, C., et al.: J. Chem. Soc. Perkin Trans. I, 1201-1206 (1999)

Applications An impurity of Docetaxel (D494420).
References Zamir, L., et al.: Tetrahedron Lett., 33, 5173 (1992), Gueritte-Voegelein, F., et al.: J. Med. Chem., 34, 992 (1993), Volk, K., et al.: J. Chromatogr., 696, 99 (1997),

Applications 6-methyl-2-oxo-4-[(5,6,7,8-tetrahydronaphthalen-2-yl)amino]-1,2-dihydropyridine-3-carboxylic acid (cas# 1239521-17-5) is a useful research chemical.

Applications Curcumin β-D-Glucuronide Triacetate Methyl Ester-d3 is an intermediate used in the synthesis of Curcumin β-D-Glucuronide-d3 (C838512), which is a labelled analogue of Curcumin β-D-Glucuronide, a metabolite of Curcumin (C838510) in hepatic tissue and portal blood.
References Sharma, O., et al.: Biochem. Pharmacol., 25, 1811 (1976); Colletti, L., et al.: J. Clin. Invest., 85, 1936 (1990); Sharma, R., et al.: Clin. Cancer Res., 7, 1894 (2001);

Applications 5-(2-Fluorophenyl)-5-oxovaleric Acid is used as a reagent in the preparation of indole derivatives which act as cell protective agents. It is also used as a reagent in the catalytic N-nitroso aldol reaction of γ,δ-unsaturated δ-lactones.
References Yamamoto, I., et al.: Preparation of indole derivatives as cell protective agents, WO Patent 9745410, Dec 4, 1997; Yanagisawa, A., et al.: Org. Lett., 14, 2434 (2012);

Applications Tetramethylthiourea (cas# 2782-91-4) is a useful research chemical.

Stability Moisture Sensitive
Applications 2-Bromo-4’-isopropylacetophenone (cas# 51012-62-5) is a compound useful in organic synthesis.

Applications 1,3-Dicyclohexyl-2-phenyl-pseudourea is an intermediate in the synthesis of [R-(R*,R*)]-(1,2-Dihydroxypropyl)phosphonic Acid (D454455) which is a Fosfomycin (F727500) impurity. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity. P-[(1R,2R)-1,2-Dihydroxypropyl]-phosphonic Acid is an intermediate in the synthesis of [2-[2-Amino-3-hydroxy-2-(hydroxymethyl)propoxy]-1-hydroxypropyl]phosphonic Acid (A611565), another Fosfomycin (F727500) impurity.
References McGrath, J.W., et al.: Org. Biomolec. Chem., 7, 9 (1944); Goto, M., et al.: Antimicrob. Agents Chemother., 20, 393 (1981);

Applications 6-Nitropyrido[2,3-d]pyrimidin-4(3H)-one is a useful research chemical for organic synthesis and other chemical processes.