Pyrimidine - Wikipedia
网页Pyrimidine (C 4 H 4 N 2; / p ɪ ˈ r ɪ. m ɪ ˌ d iː n, p aɪ ˈ r ɪ. m ɪ ˌ d iː n /) is an aromatic, heterocyclic, organic compound similar to pyridine (C 5 H 5 N). [3] One of the three diazines (six-membered heterocyclics with two nitrogen atoms in the ring), it has nitrogen atoms at positions 1 and 3 in the ring.
Pyrimidine - The Definitive Guide - Biology Dictionary
网页2020年1月28日 · Pyrimidine is a simple aromatic ring composed of two nitrogen atoms and four carbon atoms, with hydrogen atoms attached to each carbon. The carbon and nitrogen atoms are connected via alternating double and single bonds.
Pyrimidine | Nucleobases, DNA, RNA | Britannica
网页Pyrimidine, any of a class of organic compounds of the heterocyclic series characterized by a ring structure composed of four carbon atoms and two nitrogen atoms. The simplest member of the family is pyrimidine itself, with molecular formula C4H4N2. Several pyrimidine compounds were isolated.
The Difference Between Purines and Pyrimidines - ThoughtCo
网页2019年3月27日 · Purines and pyrimidines are two types of aromatic heterocyclic organic compounds. In other words, they are ring structures (aromatic) that contain nitrogen as well as carbon in the rings (heterocyclic). Both purines and pyrimidines are similar to the chemical structure of the organic molecule pyridine (C 5 H 5 N).
Purines and Pyrimidines - Science Notes and Projects
网页2023年9月16日 · The name “pyrimidine” reflects the compound’s origin in the breakdown of organic materials at high temperatures (hence, “pyr” for fire). Just like purines, pyrimidines were first identified and isolated in the late 19th century.
Pyrimidine- Definition, Properties, Structure, Uses
网页2023年8月3日 · Pyrimidine is a cyclic organic compound with a ring of 6 atoms; four carbon atoms with attached hydrogen or side chain and 2 nitrogen atoms at -1, and -3 positions. The carbon (C) and nitrogen (N) atoms are bonded by …
Pyrimidine | C4H4N2 | CID 9260 - PubChem
网页Pyrimidine is the parent compound of the pyrimidines; a diazine having the two nitrogens at the 1- and 3-positions. It has a role as a Daphnia magna metabolite. It is a member of pyrimidines and a diazine.