1379982-43-0|5-((4-Chloropyrimidin-2-yl)amino)-2-methylbenzenesulfonamide| Ambeed

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CAS No. :	1379982-43-0
Formula :	C₁₁H₁₁ClN₄O₂S
M.W :	298.75
SMILES Code :	O=S(C1=CC(NC2=NC=CC(Cl)=N2)=CC=C1C)(N)=O

Yield	Reaction Conditions	Operation in experiment
	With sodium hydrogencarbonate; In tetrahydrofuran; ethanol; at 70 - 75℃; for 13h;	To a mixture of <strong>[6973-09-7]5-amino-2-methylbenzenesulfonamide</strong> (20 gm) in ethanol (208 ml) and tetrahydrofuran (52 ml) was added 2,4-dichloropryrimidine (44 gm) and sodium bicarbonate (36 gm) at room temperature. The contents were heated to 70 to 75°C and maintained for 13 hours. The reaction mass was then cooled to 10°C and maintained for 2 hours. The reaction mass was filtered and the solvent was distilled off under vacuum at below 50 to 55°C to obtain a residual mass. To the residual mass was added ethyl acetate (100 ml) and stirred for 1 hour, filtered. The solid obtained was dried to give 15.5 gm of 5-(4-chloropyrimidin-2ylamino)-2-methylbenzenesulfonamide.
15.5 g	With sodium hydrogencarbonate; In tetrahydrofuran; ethanol; at 20 - 75℃; for 13h;	To a mixture of <strong>[6973-09-7]5-amino-2-methylbenzenesulfonamide</strong> (20 gm) in ethanol (208 ml) and tetrahydrofuran (52 ml) was added 2,4-dichloropryrimidine (44 gm) and sodium bicarbonate (36 gm) at room temperature. The contents were heated to 70 to 75° C. and maintained for 13 hours. The reaction mass was then cooled to 10° C. and maintained for 2 hours. The reaction mass was filtered and the solvent was distilled off under vacuum at below 50 to 55° C. to obtain a residual mass. To the residual mass was added ethyl acetate (100 ml) and stirred for 1 hour, filtered. The solid obtained was dried to give 15.5 gm of 5-(4-chloropyrimidin-2ylamino)-2-methylbenzenesulfonamide

Yield	Reaction Conditions	Operation in experiment
		5-(4-Chloropyrimidin-2ylamino)-2-methylbenzenesulfonamide (17 gm) as obtained in example 1, <strong>[1376676-65-1]N,2,3-trimethyl-2H-indazol-6-amine</strong> (10 gm) as obtained in example 2 and ethanol (166 ml) were added at room temperature and then heated to reflux. The reaction mass was maintained for 3 hours at reflux and then added concentrated hydrochloric acid (1 ml). The reaction mass was maintained for 10 hours at reflux and then cooled to room temperature. The separated solid was filtered and dried to obtain 17 gm of pazopanib hydrochloride (HPLC Purity: 97.5%).
17 g		5-(4-Chloropyrimidin-2ylamino)-2-methylbenzenesulfonamide (17 gm) as obtained in example 1, <strong>[1376676-65-1]N,2,3-trimethyl-2H-indazol-6-amine</strong> (10 gm) as obtained in example 2 and ethanol (166 ml) were added at room temperature and then heated to reflux. The reaction mass was maintained for 3 hours at reflux and then added concentrated hydrochloric acid (1 ml). The reaction mass was maintained for 10 hours at reflux and then cooled to room temperature. The separated solid was filtered and dried to obtain 17 gm of pazopanib hydrochloride (HPLC Purity: 97.5%).

Precautionary Statements-General
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Prevention
Code	Phrase
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P263	Avoid contact during pregnancy/while nursing.
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P265	Wash skin thouroughly after handling.
P270	Do not eat, drink or smoke when using this product.
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P272	Contaminated work clothing should not be allowed out of the workplace.
P273	Avoid release to the environment.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
P281	Use personal protective equipment as required.
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P285	In case of inadequate ventilation wear respiratory protection.
P231 + P232	Handle under inert gas. Protect from moisture.
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Response
Code	Phrase
P301	IF SWALLOWED:
P304	IF INHALED:
P305	IF IN EYES:
P306	IF ON CLOTHING:
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P314	Get medical advice/attention if you feel unwell.
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P320
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P321
P322
P330	Rinse mouth.
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P337	If eye irritation persists:
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P341	If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.
P342	If experiencing respiratory symptoms:
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P370	In case of fire:
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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.
P403	Store in a well-ventilated place.
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P422
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P410 + P412	Protect from sunlight. Do not expose to temperatures exceeding 50 oC/122oF.
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.: 1379982-43-0

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CAS No.: 1379982-43-0

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[ 1379982-43-0 ] Synthesis Path-Downstream 1~2

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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