4-(5-Nitropyridin-2-yl)piperazine
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4-(5-Nitropyridin-2-yl)piperazine
structure -
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CAS No:
82205-58-1
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Formula:
C9H12N4O2
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Chemical Name:
4-(5-Nitropyridin-2-yl)piperazine
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Synonyms:
Piperazine,1-(5-nitro-2-pyridinyl)-;Piperazine,1-(5-nitro-2-pyridyl)-;1-(5-Nitro-2-pyridinyl)piperazine;5-Nitro-2-piperazinylpyridine;1-(5-Nitropyridin-2-yl)piperazine;4-(5-Nitropyridin-2-yl)piperazine;N-(5-Nitropyridin-2-yl)piperazine
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CAS No:
Characteristics
74
0.5
1.3±0.1 g/cm3
84-85 °C
418.1°C at 760 mmHg
206.7±27.3 °C
1.583
Room temperature.
Safety Information
IRRITANT
NONH for all modes of transport
Xi
Irritant
P280-P304 + P340 + P312-P305 + P351 + P338-P337 + P313
H315-H319-H335
|Warning|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, and P501|The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
4-(5-Nitropyridin-2-yl)piperazine Use and Manufacturing
309. Step 2: /V-(5-nitropyridin-2-yl)piperazine (B-3)To compound B-2 (19.45 g, 0.0631 mol) dissolved in CHStep 2: N-(5-nitropyridin-2-yl)piperazine (B-3)To compound B-2 (19.45 g, 0.0631 mol) dissolved in CHIn a 250 mL round-bottom flask, a dichloromethane: TFA (10:1) (50 mL) solution of compound 3a (1100 mg, 3.57 mmol) was stirred under argon at rt for 2 h. The solvent was concentrated and re-evaporated with dichloromethane (2x 20 mL), then the reaction mixture was extracted with dichloromethane (50 mL) and washed with NaCompound from Description 43 (0.78g) was dissolved in dry DCM (18ml), cooled in an ice bath to ~ OCompound from Description 43 (0.78g) was dissolved in dry DCM (18ml), cooled in an ice bath to ~ 0Under stirring at room temperature, To 2-chloro-5-nitropyridine (0.04 mol), anhydrous potassium carbonate (0.04 mol) and ethanol (80 mL) was added piperazine (0.042 mol) Of ethanol (10 mL). The reaction mixture was stirred for 2-4h, Pour into water, ethyl acetate extraction, The organic layer was washed with water and dried over anhydrous sodium sulfate. The solvent was removed under reduced pressure to give 9.10 g of the title compound as a yellow solid.Step 1:
Computed Properties
Molecular Weight:208.22
XLogP3:0.5
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:1
Exact Mass:208.09602564
Monoisotopic Mass:208.09602564
Topological Polar Surface Area:74
Heavy Atom Count:15
Complexity:225
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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4-(5-Nitropyridin-2-yl)piperazine
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