CHE SIGNIFICA NITRATION IN INGLESE
nitrazione
La nitrazione è una classe generale di processo chimico per l'introduzione di un gruppo nitro in un composto chimico organico. Più losamente il termine viene anche applicato in modo errato al diverso processo di formazione di esteri di nitrato tra alcoli e acido nitrico, come avviene nella sintesi della nitroglicerina. La differenza tra la struttura risultante dei composti nitro e dei nitrati è che l'atomo di azoto nei composti nitro è direttamente legato ad un atomo non ossigeno, tipicamente carbonio o un altro atomo di azoto, mentre in nitrati esteri, chiamati anche nitrati organici, l'azoto è legato Ad un atomo di ossigeno che a sua volta è di solito legato ad un atomo di carbonio. Ci sono molte importanti applicazioni industriali di nitrazione in senso stretto; Il più importante per volume è per la produzione di composti nitroaromatici come il nitrobenzene. Le reazioni di nitrazione sono particolarmente utilizzate per la produzione di esplosivi, ad esempio la conversione di guanidina in nitroguanidina e la conversione di toluene in trinitrotoluene. Tuttavia, sono di grande importanza come intermedi e precursori chimici. Ogni anno vengono prodotte milioni di tonnellate di nitroaromatici.
definizione di nitration nel dizionario inglese
La prima definizione di nitrazione nel dizionario è l'atto o il processo di trattamento con acido nitrico o nitrato. Un'altra definizione di nitrazione è l'atto o il processo di conversione in un nitrato. La nitrazione è anche l'atto o il processo di causare subire il processo chimico in cui un gruppo nitro viene introdotto in una molecola.
PAROLE IN INGLESE ASSOCIATE CON «NITRATION»
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10 LIBRI IN INGLESE ASSOCIATI CON «NITRATION»
Scopri l'uso di
nitration nella seguente selezione bibliografica. Libri associati con
nitration e piccoli estratti per contestualizzare il loro uso nella letteratura.
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2
Nitration and Aromatic Reactivity
First published in 1971 this volume claims that nitration is important for two reasons.
3
Targets of Protein
Nitration in Mitochondria During Aging
The main goal of this study was to test the hypothesis that specific proteins undergo an age-related increase in nitration, which results in their functional alteration, and that calorie restriction (CR), a regimen which prolongs the life ...
4
The Nitro Group in Organic Synthesis
The mechanism of this nitration is well discussed in Ref. 27. This method has
several merits over the conventional ones. As the reaction proceeds under
neutral conditions, acid-sensitive compounds are nitrated without decomposition
of ...
5
Nitration: recent laboratory and industrial developments
Presents synthesis of new explosives and propellant ingredients, including cage and heterocyclic compounds and new energetic polymers. Reports non-acidic nitration of compounds using N2O5.
Lyle Frederick Albright, Richard V. C. Carr, Robert J. Schmitt,
1996
6
Comprehensive Experimental Chemistry
13.6 Preparation of p-Nitroacetanilide p-Nitroacetanilide is prepared by the
nitration of acetanilide with a mixture of conc. sulphuric acid and conc, nitric acid (
nitrating mixture). The main product is p-nitroacetanilide. A minor product ...
V. K. Ahluwalia, Sudha Raghav,
1997
7
Acetyl-nitrate
Nitration of Toluene by Zeolite Catalysts and ...
Nitrated compounds are the principle starting materials for the syntheses of numerous commercially-important classes of chemicals.
Riffard P. Jean-Gilles,
2007
8
A Proteomic Study of Protein Tyrosine
Nitration
These are good and well accepted separation and detection methods, however they are only qualitative and don't tell us information about the specific sites of nitration.
9
Heterogeneous Catalytic Application of Octahedral Molecular ...
DISCUSSION 4.1 Catalytic Nitration of Phenol The first nitration reaction was
done with 0.050 g of K-OMS-2, 1 mmol of phenol, 10 mL of 1,2-dichloroethane as
solvent and 1.5 mmol of concentrated nitric acid (70 wt% in water) was added at ...
10
Advances in Heterocyclic Chemistry
Thus electrophilic thiocyanation, followed by acetylation and nitration gave the
pentasubstituted benzene 11. Reduction with dithiothreitol gave the
corresponding thiol that was directly alkylated with bromoacetate to give 12.
Finally, reaction ...
10 NOTIZIE DOVE SI INCLUDE IL TERMINE «NITRATION»
Vedi di che si parla nei media nazionali e internazionali e come viene utilizzato il termine ino
nitration nel contesto delle seguenti notizie.
Long-term phosphodiesterase 5 inhibitor administration reduces …
The formation of the specific product 3-nitrotyrosine through the nitration of tyrosyl residues has been taken as an accurate biomarker of ... «Nature.com, lug 15»
Nitrochlorobenzene market production capacity and forecasts to …
It is a versatile organic chemical compound manufactured by benzene nitration using sulfuric & nitric acid mixtures. For chemical production ... «WhaTech, lug 15»
Forecasts of Growth in the Nitric Acid Market
Nitric acid is popularly used in reagents required for nitration reactions. Unstable nature of several nitric acid-based compounds allows their ... «Digital Journal, lug 15»
Blogroll: Patently inventive
... Chemistry Laboratory (http://go.nature.com/W4RmXy) tells a cautionary tale of a nitration gone wrong and the importance of a good lab coat. «Nature.com, giu 15»
Suppression of acute pancreatitis by L-lysine in mice
The binding of peroxynitrite with proteins led to nitration of tyrosine to form nitrotyrosine, which is a specific a marker for peroxynitrite induced ... «BMC Blogs Network, giu 15»
Aniline Market Analysis, Size And Forecasts To 2022: Grand View …
Aniline which is also known as aminobenzene or phenylamine, is an aromatic amine produced by ensuing nitration and hydrogenation of ... «Press Release Rocket, giu 15»
Monitoring Oil Degradation in Gas Engines
"What are the acceptable limits of nitrogen oxides in the exhaust of gas engines? Recently, one of our customers was facing nitration issues in a gas engine. «Machinery Lubrication Magaz, giu 15»
Nano One Reports On Testing Of Next Generation Battery Materials
They are recognized worldwide as a leader in the fields of nitration, sulfuric acid and electrochemistry. In addition to carrying out large ... «Stockhouse, giu 15»
Widening NWE-USGC toluene arbitrage attracts interest: sources
The European spot price of nitration grade toluene was assessed at $811.50/mt FOB ARA on Monday. Article continues below. «Platts, giu 15»
Buy Aarti Industries; target of Rs 396: CD Equisearch
Both working capital and asset turnover ratios would improve with commissioning of ncb, pda, nitration and chlorination units. Yet intense ... «Moneycontrol.com, giu 15»