Heterocycles with Nitrogen (N)

<p>Impurity Flecainide EP Impurity B<br>Applications 2-Piperidinemethanamine is used in the synthesis of compounds exhibiting anti-osteoclast and anti-osteoblast activity. It also is used in the synthesis of potent antibacterial.<br>References Reddy, G. et al.: Hetero. Chem., 23, 247 (2012); Fujita, M. et al.: Chem. Pharm. Bull., 46, 787 (1998);<br></p>

<p>Applications 2H-1,2,3-triazole-4-carboxylic acid (cas# 573714-78-0) is a useful research chemical.<br></p>

<p>Applications 5-Pyridin-4-yl-1H-indazole (cas# 885272-55-9) is a useful research chemical.<br></p>

<p>Applications 4-[(4-Ethyl-1-piperazinyl)methyl]-3-(trifluoromethyl)-benzenamine is one of the key reactants with N-[1-(4-Aminophenyl)-1H-pyrrolo[3,2-c]pyridin-4-yl]benzamide used in the synthesis of a pyrrolo[3,2-c]pyridine derivative [N-[1-[4-[[[[4-[(4-ethyl-1-piperazinyl)methyl]-3-(trifluoromethyl)phenyl]amino]carbonyl]amino]phenyl]-1H-pyrrolo[3,2-c]pyridin-4-yl]benzamide (I)], an anticancer diarylurea derivative with multiple-kinase inhibitory effect; Also, it is an intermediate used 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.<br>References El-Gamal, M. I., et al.: Bull. Korean Chem. Soc., 33, 1571-1576 (2012); Weisberg, E., et al.: Genes Cancer, 1, 1021-1032 (2010);<br></p>

<p>Applications 5-Amino-1-phenylpyrazole is a reagent that is used in the synthesis of sulfaphenazole(S689020) derivatives as inhibitors and tools for comparing active sites of human liver cytochromes P 450 2C subfamily.<br>References Vestergren, A.L.S. et al.: Mol. Biol. Rep., 39, 6867 (2012); Huang, C. et al.: Amer. J. Phys., 298, H570 (2010); Ha-Douong, N., et al.: J. Med. Chem., 44, 3622 (2001);<br></p>

<p>Applications 4-(1H-1,2,3-benzotriazol-1-yl)pyrimidin-2-amine (cas# 1542059-06-2) is a useful research chemical.<br></p>

<p>Stability Hygroscopic<br>Applications 2-(2-Aminobenzoyl)pyridine, is an intermediate used for the synthesis of various Quinoline derivatives. It can also be used in the synthesis of the antitumoral agent batracylin and related isoindolo[1,2-b]quinazolin-12(10H)-ones.<br>References Chia-Chung, Ch., et al.: Organic Reactions, 28 (1982); Martinez-Viturro, C. M., et al.: Tetrahedron Letters, 48, 1023 (2007);<br></p>

<p>Stability Moisture Sensitive, Unstable in DMSO Solution<br>Applications 2-[N,N-Bis(trifluoromethylsulfonyl)amino]-5-chloropyridine also known as Comins’ Reagent is used as a triflyl compouind in the synthesis of vinyl triflates from metallo enolates.<br>References Comins, D., et al.: Tetrahedron Lett., 33, 6299 (1992);<br></p>

<p>Applications (2,3-Dimethylpyridin-4-yl)boronic Acid is used to prepare substituted azaanthracene derivatives as GLP-1 receptor modulators useful in the treatment of GLP-1 receptor-mediated diseases<br>References Mjalli, A., et al.: PCT Int. Appl. (2010), WO 2010114824 A1 20101007<br></p>

<p>Applications 5-Bromo-4-chloro-2,6-dimethoxypyrimidine (cas# 42362-16-3) is a compound useful in organic synthesis.<br></p>

<p>Applications 5-Chloro-6-(2,3-dichlorophenoxy)-1,3-dihydro-2H-Benzimidazole-2-thione is used in the preparation of triclabendazoles which are drugs used to treat liver fluke.<br>References Iddon, B., et al.:Journal of the Chemical Society 22, 3129 (1992);<br></p>

<p>Applications Pyrrole-2,3,4,5-d4 (CAS# 17767-94-1) is a useful isotopically labeled research compound.<br></p>

<p>Applications A benzimidazole derivative that exhibits corrosion inhibiting properties against strong acids.<br>References Popova, A., Bull. Electrochem., 23, 137 (2007), Popova, A., et al.: Corros. Sci., 46, 1333 (2004),<br></p>

<p>Applications 1-Benzo[b]thien-4-yl-piperazine is the starting material to prepare piperazine-substituted benzothiophenes useful in treatment and prevention of mental disorders including CNS disorders.<br>References Yamashita, H., et al.: PCT Int. Appl., WO 2006112464 A1 20061026 (2006)<br></p>

<p>Applications Picolinic acid (P437220) derivative used in the synthesis of oxazine derivatives that act as BACE inhibitors for treatment of diabetes and neurological disorders.<br></p>

<p>Applications 1-Acetyl-N-(5,6,7,8-tetrahydronaphthalen-1-yl)-4,5-dihydro-1h-imidazol-2-amine is a useful synthesis intermediate.<br></p>

<p>Applications Pyridine-3,5-dicarboxamide (cas# 4663-99-4) is a useful research chemical.<br></p>

<p>Applications 5-Amino-1-tert-butyl-3-(3-methylbenzyl)-4-cyanopyrazole (cas# 1185162-28-0) is a compound useful in organic synthesis.<br></p>

<p>Applications 3-Chloropicolinic Acid (cas# 57266-69-0) is a compound useful in organic synthesis.<br></p>

<p>Applications tert-Butyl-7-[4-(4-fluorophenyl)-6-isopropyl-2-aminopyrimidin-5-yl]-(3R,5S)-isopropylidene-(E)-6-heptenoate (cas# 1448436-04-1) is a compound useful in organic synthesis.<br></p>

<p>Applications 4-Aminothieno[3,2-d]pyrimidine is a useful research intermediate<br>References Robba, M., et al.: Tetrahedron, 27, 487 (1971); Park, J. H., et al.: Heterocycles, 91, 835 (2015)<br></p>

<p>Applications 3-isobutylisoxazole-5-carboxylic acid (cas# 910321-93-6) is a useful research chemical.<br></p>

<p>Applications 2-Chloro-5-(phenylsulfonyl)pyridine is a starting material and useful building block of various pharmaceuticals.<br></p>

<p>Stability Light Sensitive<br>Applications 3,5-Dimethyl-1H-pyrazol-4-amine<br></p>

<p>Applications imidazo[1,2-a]pyrimidin-2-ylmethanamine is a reagent used in the preparation of secondary and tertiary aminofurazans by nucleophilic substitution of nitrofurazans with primary and secondary amines.<br>References Sheremetev, A. B., et al.: Russ. Chem. Bull., 53, 596 (2004)<br></p>

<p>Applications An intermediate in the preparation of Pipradrol Hydrochloride<br></p>

<p>Impurity Irbesartan Bromo N2-Trityl Impurity<br>Stability Moisture Sensitive<br>Applications An intermediate in the synthesis of Losartan and Valsartan.<br></p>

<p>Applications Ethyl 4-Methyl-1-(1-phenylpropan-2-yl)-1H-pyrrole-2-carboxylate is an intermediate used in the synthesis of 4-Methyl-1-(1-phenylpropan-2-yl)-1H-pyrrole-2-carboxylic Acid (M339120), which is an impurity of the drug Amphetamine (A634248).<br></p>

<p>Applications 3-(2,6-Dimethylphenyl)-2-oxazolidinone is an intermediate used in the synthesis of Dimethachlor Ethane Sulfonic Acid Sodium Salt (D460283), which is a pesticide metabolite pollutant found in groundwater, surface water, and wastewater.<br>References Huntscha, S., et al.: J. Chromatogr. A, 1268, 74 (2012); Reemtsma, T., et al.: J. Chromatogr. A, 1271, 95 (2013);<br></p>

<p>Applications Can be used in the preparation of pyrrolylphenylsulfonates as dopamine D3 antagonists as well as in the preparation of substituted amidothiophene derivatives for use as 11-β-HSD1 inhibitors.<br></p>

<p>Applications 5-Bromo-2-cyano-3-(trifluoromethyl)pyridine<br></p>

<p>Applications 1-(Phenylmethyl)-1H-pyrrole-2,5-dione is used in the synthesis of anthracenedicarboximides as semiconductors for transistors. Also used in the discovery of a new synthetic route towards Paroxetine<br>References Wang, Z. et al.: J. Am. Chem. Soc., 129, 13362 (2007);<br></p>

<p>Applications 4-(2-Phenoxyethyl)-5-ethyl-1,2,4-triazol-3-one is used as a reagent to synthesize Nefazodone (N389100), a 5HT2-receptor antagonist and a serotonin selective reuptake inhibitor used to treat depression.<br>References Fontaine, R., et al.: J. Clin. Psych., 55, 234 (1994); Rush, A., et al.: Biol. Psych., 44, 3 (1998)<br></p>

<p>Applications 3-Bromo-5-hydroxypyridine (cas# 74115-13-2) is a compound useful in organic synthesis.<br></p>

<p>Applications 2-Benzhydrylpiperidine hydrochloride (cas# 5807-81-8) is a useful research chemical.<br></p>

<p>Applications Adenosine analog<br>References Barbieri, D., et al.: Bioorg. Med. Chem. Lett., 8, 2533 (1998),<br></p>

<p>Applications 5-(2-Pyridyl)-1,2-dihydropyridin-2-one is used in the synthesis of AMPA receptor antagonists in the treatment of neurological diseases causing dysfunction of glutamatergic neurotransmission.<br>References Hibi, S. et al.: J. Med. Chem., 55, 10584 (2012); McElhinny, C. et al.: Synthesis, 44, 57 (2012);<br></p>

<p>Applications 2,5-Di-4-pyridinylpyrimidine is an isomer of 2,5-Di-4-pyridinylpyrazine (D492805), a compound used in the preparation of isonicotonic acid derivatives used in the chemotherapy of tuberculosis.<br>References Cymerman-Craig, J., et al.: J Chem Soc., 4315-20 (1955);<br></p>

<p>Applications 1-(4-Chlorophenyl)-3-[(2-nitrophenyl)methoxy]pyrazole is an intermediate for the synthesis of Pyraclostrobin-d6 (P840402). Isotope labelled Pyraclostrobin is a fungicide for use in seed grass and food crops.<br>References Gyldenkaerne, S., et al.: Pestic Sci., 55, 1210 (1999), Pennington, D., et al.: Environ. Sci. Technol., 39, 1119 (2005), Wang, S., et al.: Food Control., 18, 731 (2007),<br></p>

<p>Applications 2-Fluoroimidazole is a chemical reagent used in the synthesis of cephalosporins.<br>References Jung, F. et al.: J. Antibio., 46, 992 (1993);<br></p>