1612287-99-6|4-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine| Ambeed

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CAS No. :	1612287-99-6
Formula :	C₁₃H₁₇BF₃NO₂
M.W :	287.09
SMILES Code :	FC(C1=NC=C(B2OC(C)(C)C(C)(C)O2)C(C)=C1)(F)F
MDL No. :	MFCD18726737
InChI Key :	NHTGGJIAIAPGHR-UHFFFAOYSA-N
Pubchem ID :	90184892

GHS Pictogram:
Signal Word:	Warning
Hazard Statements:	H302-H315-H319-H335
Precautionary Statements:	P280-P305+P351+P338

Yield	Reaction Conditions	Operation in experiment
93%	With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium acetate; In 1,4-dioxane; at 110℃;Schlenk technique; Inert atmosphere;	General procedure: An oven dried resealable Schlenk tube was charged with 5-bromo-2-chloro-1H-pyrrolo[2,3-b]pyridine (Preparation 1c, 0.5 g, 2.07 mmol), (6-methoxy-4-methylpyridin-3-yl)boronic acid (Preparation 2, 0.35 g, 2.08 mmol), cesium carbonate (2.027 g, 6.22 mmol), 5.5 ml dioxane and 5.5 ml water. The Schlenk tube was subjected to three cycles of evacuation-backfilling with argon, and 1,1'-bis(diphenylphosphino)ferrocene-palladium(II) dichloride dichloromethane complex (0.085 g, 0.10 mmol) was added. After three further cycles of evacuation-backfilling with argon, the Schlenk tube was capped and placed in an oil bath at 100 C. After 6h, the mixture was cooled and the solvent was removed in vacuo. Water was added and product was extracted with dichloromethane and organic layer was dried (Na2SO4). The residue was purified by flash chromatography (10%, dichloromethane-methanol) to give the title compound (0.353 g, 62% yield) as a solid. <strong>[1010422-51-1]5-bromo-4-methyl-2-(trifluoromethyl)pyridine</strong> (Preparation 63a, 0.27mg, 1.13 mmol) was treated with 4,4,4',4',5,5,5',5'-octamethyl-2,2'-bi(1,3,2-dioxaborolane) (0.57 mg, 2.27 mmol),1,1' bis(diphenylphosphino)ferrocene]dichloropalladium(II) complex with dichloromethane (56 mg, 0.07 mmol), potassium acetate (0.33 mg, 3.4 mmol) and dioxane (3 mL) as a solvent. The reaction was heated at 110C overnight according to the method described in Preparation 3a under standard conditions. The crude was purified by flash chromatography (10%, dichloromethane-methanol) to give the title compound (0.325 g, 93% yield) as a brown solid. LRMS (m/z): 288 (M+1)+
	With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate; In 1,4-dioxane; at 90℃;Inert atmosphere;	A mixture of <strong>[1010422-51-1]5-bromo-4-methyl-2-(trifluoromethyl)pyridine</strong> (150 mg, 625 mumol), bis(pinacolato)diboron (189 mg, 729 mumol), Pd(dppf)Cl2 (89 mg, 106 mumol) and potassium acetate (120 mg, 1.25 mmol) in dioxane (1 mL) was stirred under N2 at 90 C. overnight. Aqueous NH4Cl was added and the mixture was extracted with CH2Cl2. The combined organic layers were dried and the volatiles were removed under reduced pressure to yield the desired compound which was used in the next step without further purification.

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Prevention
Code	Phrase
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P222	Do not allow contact with air.
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P230	Keep wetted
P231	Handle under inert gas.
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P263	Avoid contact during pregnancy/while nursing.
P264	Wash hands thoroughly after handling.
P265	Wash skin thouroughly after handling.
P270	Do not eat, drink or smoke when using this product.
P271	Use only outdoors or in a well-ventilated area.
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P273	Avoid release to the environment.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
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P285	In case of inadequate ventilation wear respiratory protection.
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Response
Code	Phrase
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P321
P322
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P342	If experiencing respiratory symptoms:
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P378
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P301 + P312	IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
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P302 + P334	IF ON SKIN: Immerse in cool water/wrap in wet bandages.
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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.
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.: 1612287-99-6

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CAS No.: 1612287-99-6

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[ 1612287-99-6 ] 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