Heterocycles with Nitrogen (N)

<p>Applications 5-Chloro-2,3-difluoropyridine is a 2,3,5-trihalopyridine used in the preparation of the herbicides and pesticides such as chodinafop-propargyl.<br>References Chen, Q. et al.: Jin. Huag. Zhong., 35, 35 (2005); Feng, C. et al.: Nonyao, 46, 793 (2007);<br></p>

<p>Applications 2-Amino-4-chloro-3-nitropyridine (cas# 6980-08-1) is a compound useful in organic synthesis.<br>References Bavetsias, V., et al.: Bioorg. Med. Chem. Lett., 17, 6567 (2007), Niculescu-Duvaz, D., et al.: J. Med. Chem., 52, 2255 (2009),<br></p>

<p>Applications tert-Butyl-7-[4-(4-fluorophenyl)-6-isopropyl-2-mesylaminopyrimidin-5-yl]-(3R,5S)-isopropylidine-(E)-6-heptenoate (cas# 371775-73-4) is a compound useful in organic synthesis.<br></p>

<p>Applications Intermediate in the preparation of various biological inhibitors.<br>References Chonan, T., et al.: Bioorg. Med. Chem. Lett., 19, 6645 (2009), Bunnage, M., et al.: J. Med. Chem., 50, 6095 (2007),<br></p>

<p>Applications 2-Pyrazinecarbonyl Chloride is an intermediate used in the synthesis of (S)-N-[1-(3-Hydroxy-3-methylbutanamido)-1-oxo-3-phenylpropan-2yl]pyrazine-2-carboxamide (H805105), which is an impurity of bortezomib (B675700), which is the first proteasome inhibitor to be approved by the US FDA for multiple myeloma, a blood cancer. A reversible inhibitor of the 26S proteasome-a barrel-shaped multiprotein particle found in the nucleus and cytosol of all eukaryotic cells. Targets the ubiquitin-proteasome pathway.<br></p>

<p>Applications 4-(3-Fluorophenyl)pyrimidin-2-amine (cas# 56875-59-3) is a useful research chemical.<br></p>

<p>Applications A pyrimidine derivative as inhibitor of Streptococcus faecium, Lactobacillus casei, and Pediococcus cerevisiae.<br>References Coats, E.A., et al.: Eur. J. Med. Chem., 14, 261 (1979),<br></p>

<p>Applications Methyl 1-[(2-Fluorophenyl)methyl]pyrazolo[3,4-b]pyridine-3-carboximidate is a useful reactant to study metabolites of orally active NO-independent pyrazolopyridine stimulators of soluble guanylate cyclase.<br>References Straub, A., et al.: Bioorg. Med. Chem., 10, 1711 (2002);<br></p>

<p>Applications An intermediate in the production of Zolpidem metabolites<br>References Klupsch, F., et al.: Chem. Pharm. Bull., 54, 1318 (2006),<br></p>