6-BroMo-5-Methylpyrazolo[1,5-a]pyridine
- Product Name
- 6-BroMo-5-Methylpyrazolo[1,5-a]pyridine
- CAS No.
- 1345121-23-4
- Chemical Name
- 6-BroMo-5-Methylpyrazolo[1,5-a]pyridine
- Synonyms
- 6-BroMo-5-Methylpyrazolo[1,5-a]pyridine;6-bromo-5-methylH-pyrazolo[1,5-a]pyridine;Pyrazolo[1,5-a]pyridine, 6-bromo-5-methyl-
- CBNumber
- CB12732588
- Molecular Formula
- C8H7BrN2
- Formula Weight
- 211.06
- MOL File
- 1345121-23-4.mol
6-BroMo-5-Methylpyrazolo[1,5-a]pyridine Property
- Density
- 1.60±0.1 g/cm3(Predicted)
- storage temp.
- Sealed in dry,Room Temperature
- pka
- 2.15±0.30(Predicted)
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
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- 0849DP
- Product name
- 6-Bromo-5-methylpyrazolo[1,5-a]pyridine
- Packaging
- 100mg
- Price
- $561
- Updated
- 2021/12/16
- Product number
- 0849DP
- Product name
- 6-Bromo-5-methylpyrazolo[1,5-a]pyridine
- Packaging
- 1g
- Price
- $1429
- Updated
- 2021/12/16
- Product number
- 0849DP
- Product name
- 6-Bromo-5-methylpyrazolo[1,5-a]pyridine
- Packaging
- 10g
- Price
- $5819
- Updated
- 2021/12/16
- Product number
- A221861
- Product name
- 6-Bromo-5-methylpyrazolo[1,5-a]pyridine
- Purity
- 95+%
- Packaging
- 1g
- Price
- $958
- Updated
- 2021/12/16
- Product number
- CM151957
- Product name
- 6-bromo-5-methylpyrazolo[1,5-a]pyridine
- Purity
- 95%
- Packaging
- 1g
- Price
- $982
- Updated
- 2021/12/16
6-BroMo-5-Methylpyrazolo[1,5-a]pyridine Chemical Properties,Usage,Production
Synthesis
1345121-19-8
1345121-23-4
General procedure for the synthesis of 6-bromo-5-methylpyrazolo[1,5-a]pyridine-3-carboxylic acid methyl ester from 6-bromo-5-methylpyrazolo[1,5-a]pyridine: firstly, 6-bromo-5-methyl-8-hydropyrazolo[1,5-a]pyridine (207A) was prepared; this was done as follows: 6-bromo-5-methyl-8-hydropyrazolo[1,5-a]pyridine-3- formate (206A, 79.6 mg, 0.3 mmol) was dissolved in 3 mL of 50% (v/v) sulfuric acid solution and heated at 85 °C for 3 min, followed by reaction at 60 °C for 4 days. Upon completion of the reaction, the mixture was cooled to room temperature, diluted with water, and sequentially neutralized with 1N NaOH and saturated aqueous NaHCO3 to pH=9. The reaction mixture was extracted with ethyl acetate (EA), the organic phase was washed with brine, dried over anhydrous sodium sulfate, and concentrated to dryness to yield 51mg of 207A (Yield: 64%, Purity >80%) as a brown solid, which can be used for subsequent reactions without further This product can be used in the subsequent reaction without further purification.
References
[1] Patent: US2011/263612, 2011, A1. Location in patent: Page/Page column 180
6-BroMo-5-Methylpyrazolo[1,5-a]pyridine Preparation Products And Raw materials
Raw materials
Preparation Products
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