1429757-64-1|4-((3,4-Dichloro-2-fluorophenyl)amino)-7-methoxyquinazolin-6-yl acetate| Ambeed

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CAS No. :	1429757-64-1
Formula :	C₁₇H₁₂Cl₂FN₃O₃
M.W :	396.20
SMILES Code :	COC1=CC2=NC=NC(NC3=CC=C(Cl)C(Cl)=C3F)=C2C=C1OC(C)=O

GHS Pictogram:
Signal Word:	Warning
Hazard Statements:	H302-H315-H319
Precautionary Statements:	P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330

Yield	Reaction Conditions	Operation in experiment
83%		<strong>[179688-53-0]7-methoxy-4-oxo-3,4-dihydroquinazolin-6-yl acetate</strong> (100 g) was added to toluene (850 mL) and NN-diisopropylethylamine (82.5 mL). Phosphorus oxychloride (100 mL) was added thereto over 20 minutes at 75C, followed by stirring for 3 hours. Toluene (450 mL) and 3,4-dichloro-2-fluoroaniline (84.6 g) were added to the resulting mixture, followed by stirring for 2 hours. Upon completion of the reaction, the resulting mixture was cooled to 25C, and the solid thus obtained was filtered under a reduced pressure and washed with toluene (400 mL). Isopropanol (1,000 mL) was added to the solid, and the resulting mixture was stirred for 2 hours. The solid thus obtained was filtered and washed with isopropanol (400 mL), and then was dried at 40C in an oven to obtain the target compound (143 g, yield: 83%). 1H-NMR (DMSO-d6, 300 MHz, ppm) δ 8.92 (s, 1H), 8.76 (s, 1H), 7.69- 7.57 (m, 3H), 4.01 (s, 3H), 2.38 (s, 3H).
83%		Example 1 Preparation of 4-(3,4-dichloro-2-fluorophenylamino)-7-methoxyquinazolin-6-yl acetate (the compound of formula (VI)) 7-methoxy-4-oxo-3,4-dihydroquinazolin-yl acetate (100 g) was added to toluene (850 ml) and N,N-diisopropylethylamine (82.5 ml). Phosphorusoxy chloride (100 ml) was added thereto over 20 minutes at 75 C., followed by stirring for 3 hours. Toluene (450 ml) and 3,4-dichloro-2-fluoroaniline (84.6 g) were added to the resulting mixture, followed by stirring for 2 hours. Upon completion of the reaction, the resulting mixture was cooled to 25 C. The solid thus obtained was filtered under a reduced pressure and washed with toluene (400 ml). Isopropanol (1,000 ml) was added to the solid, which was then stirred for 2 hours. The resulting solid was filtered and washed with isopropanol (400 ml). The solid was dried at 40 C. in an oven to produce the compound of formula (VI) (143 g, yield: 83%). 1H-NMR (DMSO-d6, 300 MHz, ppm) δ 8.92 (s, 1H), 8.76 (s, 1H), 7.69-7.57 (m, 3H), 4.01 (s, 3H), 2.38 (s, 3H).
83%		100 g of <strong>[179688-53-0]7-methoxy-4-oxo-3,4-dihydroquinazolin-6-yl acetate</strong> was added to 850 ml of toluene and 82.5 ml of N, N-diisopropylethylamine,100 ml of phosphorus oxychloride was added at 75 DEG C for 20 minutes and then stirred for 3 hours.450 ml of toluene was further added to the resulting reaction solution, 84.6 g of 3,4-dichloro-2-fluoroaniline was added, and the mixture was stirred for 2 hours. When the reaction was completed, the temperature of the reaction solution was cooled to 25 C, and the resulting solid was filtered under reduced pressure and washed with 400 ml of toluene. 1000 ml of isopropanol was added to the obtained solid, and the mixture was stirred for 2 hours. The solid was filtered and washed with 400 ml of isopropanol.The obtained solid was dried in a drying oven at 40 to obtain the title compound (143 g, yield 83%).

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P342	If experiencing respiratory symptoms:
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P378
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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.
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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.
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P401
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Disposal
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CAS No.: 1429757-64-1

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CAS No.: 1429757-64-1

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[ 1429757-64-1 ] 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