pyridine

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pyridine

 [pir´ĭ-dēn]
1. a toxic, colorless, liquid hydrocarbon usually derived from coal tar and used as a laboratory and industrial intermediate.

pyr·i·dine

(pir'i-dēn, -din),
A colorless volatile liquid of empyreumatic odor and burning taste, resulting from the dry distillation of organic matter containing nitrogen; used as an industrial solvent, in analytic chemistry, and for denaturing alcohol.

pyridine

(pĭr′ĭ-dēn′)
n.
A flammable, colorless or yellowish liquid base, C5H5N, having a penetrating odor and serving as the parent compound of many biologically important derivatives. It is used as a solvent and in the manufacture of various agricultural chemicals, rubber products, water repellents, dyes, and drugs.

py·rid′ic (pī-rĭd′ĭk) adj.
References in periodicals archive ?
The mag- azine has had 30 consecutive circulation increases to a cur- rent ABC of 197,253 and has won numerous awards.
One is a separate defama- tion case he has brought in London against the US mag- azine Forbes.
Monthly entertainment mag- azine Al Ayam is to be re- launched as a multi-focus title in the UAE.The company is to increase the title's circulation from 20,000 to 30,000 in a bid to "fight against an increasingly digital media marketplace", despite recently launching so- cial media accounts to sit along- side its online presence.
Their route to agency writer was either through an in-house job with a retail advertiser, writing on a women's mag- azine or, as with Olson, converting from secretary.
BankDhofar was recently conA[degrees] ferredthehighlycovetedBankof the YearA[degrees]Oman Award 2014 for its achievements by The Banker magA[degrees] azine at its annual awards ceremoA[degrees] ny.
com 10 0 maga MAKE THE STUFFING "Make and freeze stuffing ahead of time," says Karen Barnes, editor of Delicious azine. "Fry a finely chopped onion in bua mi saus chop fresh crum freez utter until soft.
Parameter a would differ between C and N atomic centres, as for instance might be evaluated on comparison of spectra of benzene and pyridine, or of buta-1, 3-diene and methanal azine. Because such values of [alpha] and [beta] are, however, poorly transferable between molecular systems, these values are practically worthless.
Early in 2009, Fagnou published a paper in JACS showing that "palladium-catalyzed direct arylation can be performed with a broad range of azine and azole N-oxides" He felt the process provided a useful alternative to cross-coupling techniques in the "synthesis of appropriate heterobiaryl compounds," a development of interest in the manufacture of medicinal compounds.
Various trapping reagents are used for absorbing ozone like, 1,2-di(4-pyridyl)-ethylene, potassium iodide, nitrite, indigo/indigo carmine compounds, 3-methyl-2-benzothiazolinone acetone azine with 2-phenylphenol and p-acetamidophenol.
A similar result for the effect of catalyst concentration on yield of azine was reported by Hayasi et al.
out of old azines spapers g in piles tter in the e e ur Smile infec yo yo Smiles are infectious.