nitrogen heterocyclic ring
91Thiamine — For the similarly spelled nucleobase, see thymine. Thiamine chloride …
92Beta-lactam — | | | | | | |A beta lactam ring (β lactam) or penam is a lactam with a heteroatomic ring structure, consisting of three carbon atoms and one nitrogen atom [Heterocyclic chemistry T.L. Gilchrist ISBN 0 582 01421 2 ] . Clinical significanceThe beta …
93quinoline — /kwin l een , in/, n. Chem. a colorless, liquid, water immiscible, nitrogenous base, C9H7N, having a disagreeable odor, occurring in coal tar, and usually prepared by oxidizing a mixture of glycerol and aniline: used as a solvent and reagent and… …
94Benzofuran — This article is about the heterocyclic chemical compound. For its purportedly recreational derivative drug, nicknamed Benzo Fury , see 6 APB. Benzofuran IUPAC name …
95imidazole — /im id az ohl, id euh zohl /, n. Chem. a colorless, crystalline, water soluble, heterocyclic compound, C3H4N2, used chiefly in organic synthesis. Also called glyoxaline. [1890 95; IMIDE + AZOLE] * * * ▪ organic compound class any of a class …
96Purine — chembox ImageFile=Purine chemical structure.png ImageSize= 345px ImageFile2= IUPACName=7H purine OtherNames= Section1= Chembox Identifiers CASNo=120 73 0 PubChem=1044 ChemSpiderID = 1015 SMILES=C1=C2C(=NC=N1)N=CN2 MeSHName=Purine Section2=… …
97Chelation — Metal EDTA chelate Chelation is the formation or presence of two or more separate coordinate bonds between a polydentate (multiple bonded) ligand and a single central atom.[1] Usually these ligands are organic compounds, and are calle …
98Carbene — In chemistry, a carbene is a highly reactive organic molecule containing a carbon atom with six valence electrons and having the general formula: R1R2C: (two substituents and two electrons). [Organic Chemistry R.T Morrison, R.N Boyd pp 473 478]… …
99AIR synthetase (FGAM cyclase) — protein Name=phosphoribosylglycinamide formyltransferase, phosphoribosylglycinamide synthetase, phosphoribosylaminoimidazole synthetase caption= width= HGNCid=4163 Symbol=GART AltSymbols=PRGS, PGFT EntrezGene=2618 OMIM=138440 RefSeq=NM 000819… …
100Dimroth rearrangement — The Dimroth rearrangement is a rearrangement reaction taking place with certain 1,2,3 triazoles where endocyclic and exocyclic nitrogen atoms switch place [1]. This organic reaction was discovered in 1909 by Otto Dimroth [2][3][4] …
