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pyridine

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n. 比啶[治喘病药]

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比啶[治喘病药]

WordNet (r) 3.0 (2006) (WordNet)

pyridine
n 1: a toxic colorless flammable liquid organic base with a
disagreeable odor; usually derived from coal

The Collaborative International Dictionary of English v.0.48 (gcide)

Pyridine \Pyr"i*dine\, n. [From Gr. ? fire.] (Physiol. Chem.)
A nitrogenous base, {C5H5N}, obtained from the distillation
of bone oil or coal tar, and by the decomposition of certain
alkaloids, as a colorless liquid with a peculiar pungent
odor. It is the nucleus of a large number of organic
substances, among which several vegetable alkaloids, as
nicotine and certain of the ptoma["i]nes, may be mentioned.
See {Lutidine}.
[1913 Webster]

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Pyridine - Wikipedia
The major products of pyridine metabolism are N -methylpyridiniumhydroxide, which are formed by N -methyltransferases (e g , pyridine N -methyltransferase), as well as pyridine N -oxide, and 2-, 3-, and 4-hydroxypyridine, which are generated by the action of monooxygenase
Pyridine | C5H5N | CID 1049 - PubChem
Pyridine appears as a clear colorless to light yellow liquid with a penetrating nauseating odor Vapors are heavier than air Toxic by ingestion and inhalation Combustion produces toxic oxides of nitrogen
Pyridine | 110-86-1 - ChemicalBook
Pyridine (unsubstituted pyridine) and its derivative (substituted pyridines) are widely used in chemistry Pyridine is a solvent used for many organic compounds and anhydrous metallic salt chemicals
Pyridine | Aromatic, Aliphatic, Nitrogenous | Britannica
pyridine, any of a class of organic compounds of the aromatic heterocyclic series characterized by a six-membered ring structure composed of five carbon atoms and one nitrogen atom The simplest member of the pyridine family is pyridine itself, a compound with molecular formula C 5 H 5 N
Pyridine - American Chemical Society
Pyridine is a colorless liquid with a foul odor and several hazardous properties In the late 1840s, physician chemist Thomas Anderson at the University of Edinburgh produced several liquids by heating animal bones to high temperatures
CDC - NIOSH Pocket Guide to Chemical Hazards - Pyridine
Azabenzene, Azine Colorless to yellow liquid with a nauseating, fish-like odor
Pyridine | Formula, Properties Application
Pyridine is a heterocyclic organic compound that is often described as a benzene ring with one CH group replaced by a nitrogen atom It is an important part of many biological and industrially significant compounds, offering a wide array of uses
Pyridine - NIST Chemistry WebBook
New pyridine derivatives and basic components in spearmint oil (Mentha gentilis f cardiaca) and peppermint oil (Mentha piperita)J Agric Food Chem https: doi org 10 1021 jf00021a034 all data
Pyridines: Uses, Structure, and Biological Roles
Pyridine is a foundational chemical structure, forming the basis for vital nutrients like Vitamin B6 as well as key agrochemical and pharmaceutical agents
Pyridines - Chemistry Online
Pyridine is a colorless liquid of e g 115 °C It is found in coal tar and is obtained from ammonia and acetylene

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