nitrogen heterocyclic ring
41Indole — Chembox new Name = Indole ImageFile = Indole chemical structure.png ImageSize = 280px ImageName = Chemical structure of indole IUPACName = Indole OtherNames = 2,3 Benzopyrrole, ketole, 1 benzazole Section1 = Chembox Identifiers SMILES = C1(NC=C2) …
42Oxazole — IUPAC name 1,3 oxazole Identifiers …
43Electrophilic aromatic substitution — or EAS is an organic reaction in which an atom, usually hydrogen, appended to an aromatic system is replaced by an electrophile. The most important reactions of this type that take place are aromatic nitration, aromatic halogenation, aromatic… …
44dye — dyable, dyeable, adj. dyer, n. /duy/, n., v., dyed, dyeing. n. 1. a coloring material or matter. 2. a liquid containing coloring matter, for imparting a particular hue to cloth, paper, etc. 3. color or hue, esp. as produced by dyeing. 4. of the… …
45compound — 1. In chemistry, a substance formed by the covalent or electrostatic union of two or more elements, generally differing entirely in physical characteristics from any of its components. 2. In pharmacy, denoting a preparation containing several… …
46Aziridine — Chembox new ImageFileL1 = Aziridine.png ImageSizeL1 = 100px ImageFileR1 = Aziridine3d.png ImageSzieR1 = 100px IUPACName = Aziridine OtherNames = Azacyclopropane, Ethylene imine Section1 = Chembox Identifiers CASNo = 151 56 4 PubChem = SMILES =… …
47pyrimidine — /puy rim i deen , pi , pir euh mi deen , din/, n. Biochem. 1. a heterocyclic compound, C4H4N2, that is the basis of several important biochemical substances. 2. one of several pyrimidine derivatives, esp. the bases cytosine, thymine, and uracil,… …
48Metabolism — Cell metabolism redirects here. For the journal, see Cell Metabolism. Structure of adenosine triphosphate, a central intermediate in energy metabolism Metabolism (from Greek: μεταβολή metabolē , change or Greek: μεταβολισμός metabolismos,… …
49aromatic compound — Chem. an organic compound that contains one or more benzene or equivalent heterocyclic rings: many such compounds have an agreeable odor. [1865 70] * * * Any of a large class of organic compounds whose molecular structure includes one or more… …
50pyridine — pyridic /puy rid ik/, adj. /pir i deen , din/, n. Chem. a colorless, flammable, liquid organic base, C5H5N, having a disagreeable odor, usually obtained from coal or synthesized from acetaldehyde and ammonia: used chiefly as a solvent and in… …
