57554-82-2|Ethyl 2-(6-chloropyridin-3-yl)propanoate| Ambeed

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CAS No. :	57554-82-2
Formula :	C₁₀H₁₂ClNO₂
M.W :	213.66
SMILES Code :	CC(C1=CC=C(Cl)N=C1)C(OCC)=O

Yield	Reaction Conditions	Operation in experiment
67%	With sodium hydride; In N,N-dimethyl-formamide; at 0℃; for 1h;	To a solution of <strong>[197376-47-9]ethyl 2-(6-chloropyridin-3-yl)acetate</strong> (1.1 g, 5.51 mmol) in dimethylformamide was added slowly sodium hydride (242 mg, 6.06 mmol) at 0 C, followed by iodomethane (821 mg, 5.79 mmol). The mixture was stirred at same degree for 1 hour, and then quenched with water. The resulting mixture was diluted with ethyl acetate and washed with water. The organic layer was dried over MgS04 and concentrated under reduced pressure to afford crude which was purified by column chromatography to afford ethyl 2-(6-chloropyridin-3-yl)propanoate (790 mg, 67 %).
67%	With sodium hydride; In N,N-dimethyl-formamide; at 0℃; for 1h;	To a solution of <strong>[197376-47-9]ethyl 2-(6-chloropyridin-3-yl)acetate</strong> (1.1 g, 5.51 mmol) in dimethylformamide was added slowly sodium hydride (242 mg, 6.06 mmol) at 0 C, followed by iodomethane (821 mg, 5.79 mmol). The mixture was stirred at same degree for 1 hour, and then quenched with water. The resulting mixture was diluted with ethyl acetate and washed with water. The organic layer was dried over magnesium sulphate and concentrated under reduced pressure to afford crude which was purified by column chromatography to afford ethyl 2-(6-chloropyridin-3-yl)propanoate (790 mg, 67 %).
67%	With sodium hydride; In N,N-dimethyl-formamide; at 0℃; for 1h;	Step 2: To a solution of <strong>[197376-47-9]ethyl 2-(6-chloropyridin-3-yl)acetate</strong> (1.1 g, 5.51 mmol) in dimethylformamide was added slowly sodium hydride (242 mg, 6.06 mmol) at 0 C., followed by iodomethane (821 mg, 5.79 mmol). The mixture was stirred at same degree for 1 hour, and then quenched with water. The resulting mixture was diluted with ethyl acetate and washed with water. The organic layer was dried over MgSO4 and concentrated under reduced pressure to afford crude which was purified by column chromatography to afford ethyl 2-(6-chloropyridin-3-yl)propanoate (790 mg, 67%).

67%	With sodium hydride; In N,N-dimethyl-formamide; mineral oil; at 0℃; for 1h;	Step 2 To a solution of <strong>[197376-47-9]ethyl 2-(6-chloropyridin-3-yl)acetate</strong> (1.1 g, 5.51 mmol) in dimethylformamide was added slowly sodium hydride (242 mg, 6.06 mmol) at 0 C., followed by iodomethane (821 mg, 5.79 mmol). The mixture was stirred at same degree for 1 hour, and then quenched with water. The resulting mixture was diluted with ethyl acetate and washed with water. The organic layer was dried over magnesium sulfate and concentrated under reduced pressure to afford crude which was purified by column chromatography to afford ethyl 2-(6-chloropyridin-3-yl)propanoate (790 mg, 67%).
		A solution of lithium bis(trimethylsilyl)amide in THF (1 M, 14 mL, 14.0 mmol) was added to a solution of <strong>[197376-47-9]ethyl 2-(6-chloropyridin-3-yl)acetate</strong> (2.5 g, 12.5 mmol) in THF at -78 C under nitrogen. After stirred at -78 C for 2 h, methyl iodide (1.94 g, 13.7 mmol) was added. The mixture was stirred at 20 C for another 8 h. Worked up, concentrated and purified with silica gelcolumn chromatography, eluting with 0%-40% EA/PE, to give the title compound (1.5 g, 83% purity in LCMS, yield 46%) as yellow oil. MS (ES+) C10H12C1N02 requires: 213, 215, found:214, 216 [M+H].

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Prevention
Code	Phrase
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P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P262	Do not get in eyes, on skin, or on clothing.
P263	Avoid contact during pregnancy/while nursing.
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P265	Wash skin thouroughly after handling.
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P272	Contaminated work clothing should not be allowed out of the workplace.
P273	Avoid release to the environment.
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P284	Wear respiratory protection.
P285	In case of inadequate ventilation wear respiratory protection.
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Response
Code	Phrase
P301	IF SWALLOWED:
P304	IF INHALED:
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P320
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P321
P322
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P342	If experiencing respiratory symptoms:
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P378
P380	Evacuate area.
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P390	Absorb spillage to prevent material damage.
P391	Collect spillage. Hazardous to the aquatic environment
P301 + P310	IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P301 + P312	IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P301 + P330 + P331	IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P302 + P334	IF ON SKIN: Immerse in cool water/wrap in wet bandages.
P302 + P350	IF ON SKIN: Gently wash with plenty of soap and water.
P303 + P361 + P353	IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P304 + P312	IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell.
P304 + P340	IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P304 + P341	IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P306 + P360	IF ON CLOTHING: Rinse Immediately contaminated CLOTHING and SKIN with plenty of water before removing clothes.
P307 + P311	IF exposed: call a POISON CENTER or doctor/physician.
P308 + P313	IF exposed or concerned: Get medical advice/attention.
P309 + P311	IF exposed or if you feel unwell: call a POISON CENTER or doctor/physician.
P332 + P313	IF SKIN irritation occurs: Get medical advice/attention.
P333 + P313	IF SKIN irritation or rash occurs: Get medical advice/attention.
P335 + P334	Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages.
P337 + P313	IF eye irritation persists: Get medical advice/attention.
P342 + P311	IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.
P370 + P376	In case of fire: Stop leak if safe to Do so.
P370 + P378	In case of fire:
P370 + P380	In case of fire: Evacuate area.
P370 + P380 + P375	In case of fire: Evacuate area. Fight fire remotely due to the risk of explosion.
P371 + P380 + P375	In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion.
Storage
Code	Phrase
P401
P402	Store in a dry place.
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P411 + P235	Keep cool.
Disposal
Code	Phrase
P501	Dispose of contents/container to ...
P502	Refer to manufacturer/supplier for information on recovery/recycling

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CAS No.: 57554-82-2

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CAS No.: 57554-82-2

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[ 57554-82-2 ] Synthesis Path-Downstream 1~1

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Physical hazards
Code	Phrase
H200	Unstable explosive
H201	Explosive; mass explosion hazard
H202	Explosive; severe projection hazard
H203	Explosive; fire, blast or projection hazard
H204	Fire or projection hazard
H205	May mass explode in fire
H220	Extremely flammable gas
H221	Flammable gas
H222	Extremely flammable aerosol
H223	Flammable aerosol
H224	Extremely flammable liquid and vapour
H225	Highly flammable liquid and vapour
H226	Flammable liquid and vapour
H227	Combustible liquid
H228	Flammable solid
H229	Pressurized container: may burst if heated
H230	May react explosively even in the absence of air
H231	May react explosively even in the absence of air at elevated pressure and/or temperature
H240	Heating may cause an explosion
H241	Heating may cause a fire or explosion
H242	Heating may cause a fire
H250	Catches fire spontaneously if exposed to air
H251	Self-heating; may catch fire
H252	Self-heating in large quantities; may catch fire
H260	In contact with water releases flammable gases which may ignite spontaneously
H261	In contact with water releases flammable gas
H270	May cause or intensify fire; oxidizer
H271	May cause fire or explosion; strong oxidizer
H272	May intensify fire; oxidizer
H280	Contains gas under pressure; may explode if heated
H281	Contains refrigerated gas; may cause cryogenic burns or injury
H290	May be corrosive to metals
Health hazards
Code	Phrase
H300	Fatal if swallowed
H301	Toxic if swallowed
H302	Harmful if swallowed
H303	May be harmful if swallowed