Pharmaceutical Standards

Applications Intermediate used in the addition of protected Glucopyranuronic Acid.

Applications 2-tert-Butyl-1,3-diisopropylisourea is a useful synthetic intermediate in the synthesis of 5-Oxo Atorvastatin tert-Butyl Ester (O847160) which is a Boc-protected derivative of Atorvastatin (A791750, Ca Salt). 2-tert-Butyl-1,3-diisopropylisourea is also used as a reagent in the total synthesis of Citrafungin A which is an antifungal natural product.
References Kearney, A.S., et al.: Pharm. Res., 10, 1461 (1993); Heinonen, T.M., et al.: Clin. Ther., 18, 853 (1996); Whitfield, L.R., et al.: Eur. J. Drug Metab. Pharmacokinet., 25, 97 (2000); Calo, F., et al.: J. Org. Chem., 73, 9692 (2008)

Applications Can be used in the preparation of CCR5 antagonists, for treatment of HIV-1.
References Tallant, M. et al., Bioorg. Med. Chem. 21, 1394 (2011)

Applications 2-Acetylnaphthalene is an intermediate used to prepare piperidinyl pyrazoles as potent DNA gyrase inhibitors It is also used in the synthesis of aromatic enone and dienone analogues of curcumin as angiogenesis inhibitors.
References Tanitame, A., et al.: J. Med. Chem., 47, 3693 (2004); Robinson, T., et al.: Bioog. Med. Chem. Lett., 13, 115 (2003)

Applications Gibberellic Acid Methyl Ester is a derivative of the plant hormone Gibberellin which regulates growth and various developmental processes.
References Stolp, C.F., et al.: Plant Cell Physiol, 18, 721-8 (1977)

Applications 2-(Formylamino)-3-hydroxy-2-propenoic Acid Ethyl Ester (cas# 61934-93-8) is a compound useful in organic synthesis.

Applications Protected 2-Thiouridine.
References El-Tayeb, A., et al.: J. Med. Chem., 49, 7076 (2006),

Applications 2'-(Methylamino)-5'-nitro-succinanilic Acid is an intermediate in synthesizing 4-(6-(2-Chloroethyl)-3-methyl-3,6,7,8-tetrahydroimidazo[4',5':5,6]benzo[1,2-b][1,4]thiazin-2-yl)butanoic Acid (C367195), a degradation production of Bendamustine (B132500), which is used as an anticancer drug.
References Bremer, K., et al.: Tumordiagn. Ther., 17, 1 (1996); Barman Balfour, J.A., et al.: Drugs, 61, 631 (2001)

Applications A labelled carcinogen.
References Kirkland, D., et al.: Mut. Res., Gen. Toxicol. Environ. Mutagen., 588, 70 (2005), Ahlstroem, M., et al.: J. Med. Chem., 50, 4444 (2007),

Applications 2-(Hydroxydiphenylmethyl)-1-pyrrolidinecarboxylic Acid 1,1-Dimethylethyl Ester is an intermediate in the synthesis of α-Zingiberene which is a sesquiterpine found in leaf glandular trichomes that is currently being evaluated for its cytotoxicity towards human tumour cell lines.
References Bou, D., et al.: Molecules, 18, 9477 (2013); Freitas, J., et al.: Euphytica, 127, 275 (2002)

Applications Intermediate in the preparation of precursors for cyclic polysulfides.
References Abu-Yousef, I. et al.; J. Sulfur Chem. 28, 251 (2007)

Applications 2-Acetamido-3-(benzyloxy)benzoic Acid Methyl Ester is an intermediate in the synthesis of metabolites of Bentazon (B120580), a selective post-emergence herbicide.

Applications 2-Bromo-6-nitrophenol is an intermediate used in the synthesis of N-Hydroxy Eltrombopag (H825795), which is a derivative compound of Eltrombopag (508000), an agonist of the Thrombopoietin (Tpo) receptor, used as treatment for thrombocytopenia.
References Bussel, J., et al.: New Eng. J. Med., 357, 2237 (2007), Marsilje, T., et al.: Bioorg. Med. Chem. Lett., 18, 5259 (2008), Alper, P., et al.: Bioorg. Med. Chem. Lett., 18, 5255 (2008),

Applications Propylthiouracil N-β-D-Glucuronide Methyl Ester is a compound useful in organic synthesis.

Applications N-Nitro-S-methylisothiourea-13C is an intermediate used in the synthesis of Clothianidin-d3, 13C1 (C588502), which is the isotope labelled analog of Clothianidin. Clothianidin is a neonicotinoid insecticide for use in food crops.
References Kamel, A., et al.: J. Agric. Food Chem., 58, 5926 (2010), Lynd, L., et al.: Energy Environ. Sci., 3, 1150 (2010), Cresswell, J., et al.: Ecotoxicology, 20, 149 (2011),

Applications Guanosine-13C5 5’-Monophosphate is an isotope labelled version of Guanosine 5’-Monophosphate (G844708), a nucleotide with an umami taste.
References Charve, Josephine, et al.: J. of Agric. and Food Chem., 66(8), 1863-1871 (2018)

Applications An intermediate in the preparation of labelled thymidine monophosphate analogues
References Vanheusden, V., et al.: Bioorg. Med. Chem. Lett., 12, 2695 (2002),

Applications N-Methyl-6-(4-nitrophenoxy)-4-pyrimidinamine is an intermediate in the synthesis of N-[4-[(4-Ethyl-1-piperazinyl)methyl]-3-(trifluoromethyl)phenyl]-N'-[4-[[6-(methylamino)-4-pyrimidinyl]oxy]phenyl]urea (E926495), which is an inhibitor of RET, FLT3, KDR, c-Abl and c-Kit. Also, it prevent the growth of human thyroid cancer cells.
References Weisberg, E., et al.: Genes Cancer, 1, 1021-1032 (2010);

Applications 8-Bromoguanosine-13C2,15N is an intermediate in the synthesis of 8-Aminoguanosine-13C2,15N (A609877). 8-Aminoguanosine-13C2,15N is an isotopic labelled compound of 8-Aminoguanosine (A609875), which is a potent inhibitor of purine nucleoside phosphorylase.
References Kazmers, I.S., et al.: Science, 214, 1137 (1981); Chern, J-W., et al.: J. Med. Chem., 36, 1024 (1993)

Applications (R)-(-)-Norlaudanosine N-5-Hydroxypentyl Propionate is an intermediate in synthesizing N-Desmethyl-transatracurium Besylate (D295480), a structural analogue of Atracurium Besylate (A794500), A neuromuscular blocking agent.
References Hughes, R., et al.: Br. J. Anaesth., 53, 31 (1981), Basta, S.J., et al.: Anesth. Analog., 61, 723 (1982), Neill, E.A., et al.: Xenobiotica, 12, 203 (1982)