383132-37-4|5-Chloro-7-fluoro-1H-indole-2-carboxylic acid| Ambeed

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CAS No. :	383132-37-4
Formula :	C₉H₅ClFNO₂
M.W :	213.59
SMILES Code :	O=C(C(N1)=CC2=C1C(F)=CC(Cl)=C2)O
MDL No. :	MFCD02664437

GHS Pictogram:
Signal Word:	Warning
Hazard Statements:	H302
Precautionary Statements:	P264-P270-P301+P312-P330-P501

Yield	Reaction Conditions	Operation in experiment
97%	With 1,4-diaza-bicyclo[2.2.2]octane; palladium diacetate; In N,N-dimethyl-formamide; at 100℃; for 3h;	4-Chloro-2-fluoro-6-iodoaniline (2.5 g, 9.2 mmol), pyruvic acid (2.5 g, 27 mmol) and DABCO (3.1 g, 27 mmol) were dissolved in DMF (15 mL). The solution was degassed and palladium acetate (500 mg) was added. The reaction mixture was heated at 100 C for 3 h, cooled to RT and then filtered. The filtrate was diluted with EA (90 mL), washed with 2M HC1 (20 mL x 3), water (40 mL) and brine (40 mL). The organic phase was dried over MgS04, filtered and evaporated to give 5-chloro-7-fluoro-lH-indole-2-carboxylic acid (1.9 g, 97% yield) as a dark solid. 1H NMR (400 MHz, DMSO^): d 13.06 (br s, 1H), 12.50 (s, 1H), 7.59 (s, 1H), 7.21 (d, = 1.2 Hz, 1H), 7.16-7.15 (t, 7= 3.2 Hz, 1H).
85%	With 1,4-diaza-bicyclo[2.2.2]octane; palladium diacetate; In N,N-dimethyl-formamide; at 100℃; for 3h;	4~Chloro-2-fluoro-6-iodoaniline (Intermediate 30, 1.35 g, 5 mmol), pyruvic acid (1.32 g,15 mmol) and DABCO (1.68 g,15 mmol) were dissolved in DMF(15 mL). The solution was degassed and palladium acetate (56 mg) was added. The mixture was then heated to 1000C for 3h., cooled to ambient and filtered. The filtrate was diluted with EtOAc (100 mL), washed with 2M HCl (2 x 2OmL), water (20 mL) and brine (20 mL), dried (MgSO4) and evaporated to leave the title compound as a dark solid (0.9g, 85% ). 1H NMR (400 MHz, DMSO-de) delta 7.16 (IH, t), 7.21 - 7.24 (IH, m), 7.59 (IH, d), 12.52 (IH, s), 13.27 (IH, s); MS m/z 212 (M-H)"

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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.
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P370 + P378	In case of fire:
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Disposal
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P501	Dispose of contents/container to ...
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CAS No.: 383132-37-4

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CAS No.: 383132-37-4

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[ 383132-37-4 ] 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