Methyl 4-chloro-3-fluoropicolinate

Product Name: Methyl 4-chloro-3-fluoropicolinate
CAS No.: 1034921-05-5
Chemical Name: Methyl 4-chloro-3-fluoropicolinate
Synonyms: Methyl 4-chloro-3-fluoropicolinate;Methyl 4-chloro-3-fluoropyridine-2-carboxylate;4-Chloro-3-fluoro-pyridine-2-carboxylic acid methyl ester;2-Pyridinecarboxylic acid, 4-chloro-3-fluoro-, methyl ester
CBNumber: CB62756648
Molecular Formula: C7H5ClFNO2
Formula Weight: 189.57
MOL File: 1034921-05-5.mol

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Methyl 4-chloro-3-fluoropicolinate Property

Boiling point:: 267.7±40.0 °C(Predicted)
Density: 1.386±0.06 g/cm3(Predicted)
storage temp.: under inert gas (nitrogen or Argon) at 2-8°C
pka: -2.72±0.10(Predicted)
Appearance: White to yellow Solid

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Safety

HS Code: 2933399990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

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N-Bromosuccinimide Price

TRC

Product number: M340550
Product name: Methyl4-Chloro-3-fluoropicolinate
Packaging: 5mg
Price: $45
Updated: 2021/12/16

Apolloscientific

Product number: PC421039
Product name: Methyl4-chloro-3-fluoropicolinate
Purity: 98%
Packaging: 250mg
Price: $162
Updated: 2021/12/16

AK Scientific

Product number: 3190DP
Product name: Methyl4-chloro-3-fluoropicolinate
Packaging: 1g
Price: $764
Updated: 2021/12/16

Chemenu

Product number: CM247433
Product name: Methyl4-chloro-3-fluoropicolinate
Purity: 98%
Packaging: 5g
Price: $1388
Updated: 2021/12/16

Crysdot

Product number: CD11362164
Product name: Methyl4-chloro-3-fluoropicolinate
Purity: 98%
Packaging: 5g
Price: $1471
Updated: 2021/12/16

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Methyl 4-chloro-3-fluoropicolinate Chemical Properties,Usage,Production

Synthesis

67-56-1

1034921-07-7

1034921-05-5

A. The synthesis of methyl 4-chloro-3-fluoropyridinecarboxylate was carried out according to the literature method (see: Proc. Int., 29(1), 117-122 (1997)). The procedure was as follows: lithium 4-chloro-3-fluoropyridinecarboxylate (20.0 g, 136 mmol) and sodium bromide (28.0 g, 272 mmol, 2 eq.) were suspended in thionyl chloride (99 mL, 1.36 mol, 10 eq.), and the system was replaced by argon and heated to reflux (95°C). The reaction mixture was refluxed for 2 days, then thionyl chloride (50 mL, 680 mmol, 5 eq.) was added and refluxing was continued for 3 days. Upon completion of the reaction, the solvent was removed by evaporation and the residue was cooled to 0°C. Subsequently, methanol (300 mL) was added carefully in batches and the mixture was stirred overnight at 23°C. The reaction solution was diluted with ethyl acetate. The reaction solution was diluted with ethyl acetate and washed sequentially with saturated aqueous sodium carbonate solution and water, and the aqueous phase was then back-extracted with ethyl acetate. The organic layers were combined, dried over anhydrous magnesium sulfate, filtered and concentrated. The residue was dissolved in boiling hexane and decanted to remove residual tar. The filtrate was evaporated to afford the target product methyl 4-chloro-3-fluoropyridinecarboxylate (24.36 g, 94% yield) as a solid. The product was confirmed by 1H NMR (400 MHz, DMSO-d6): δ 3.92 (3H, s), 8.01 (1H, t, J = 5.1 Hz), 8.50 (1H, d, J = 5.1 Hz). lC/MS (M + H)+: 190.

References

[1] Patent: US2010/48581, 2010, A1. Location in patent: Page/Page column 37

Methyl 4-chloro-3-fluoropicolinate Preparation Products And Raw materials

Raw materials

Preparation Products

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1034921-05-5, Methyl 4-chloro-3-fluoropicolinateRelated Search:

Methyl 4-chloro-3-fluoropicolinate

Methyl 4-chloro-3-fluoropyridine-2-carboxylate

4-Chloro-3-fluoro-pyridine-2-carboxylic acid methyl ester

2-Pyridinecarboxylic acid, 4-chloro-3-fluoro-, methyl ester

1034921-05-5