89402-43-7
- Product Name：2,3-Difluoro-5-chloropyridin
- Molecular Formula：C5H2ClF2N
- Purity：99%
- Molecular Weight：149.527
Product Details;
CasNo： 89402-43-7
Molecular Formula： C5H2ClF2N
Appearance： Clear liquids
Best Quality Quality Manufacturer Supply 2,3-Difluoro-5-chloropyridin 89402-43-7 Fast Delivery
- Molecular Formula:C5H2ClF2N
- Molecular Weight:149.527
- Appearance/Colour:Clear liquids
- Melting Point:47-49 °C
- Refractive Index:1.4738
- Boiling Point:142.4 °C at 760 mmHg
- PKA:-5.14±0.20(Predicted)
- Flash Point:39.9 °C
- PSA：12.89000
- Density:1.451 g/cm3
- LogP:2.01320
89402-43-7 Relevant articles
A kind of boron-containing compounds and their use in catalytic fluorination reaction (by machine translation)
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Paragraph 0038-0041; 0054-0057, (2019/05/28)
The invention relates to the field of fi...
Preparation method of 5-chloro-2,3-difluoropyridine
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Paragraph 0008; 0009, (2016/12/22)
The invention discloses a preparation me...
Process for preparing 2-aminopyridine derivatives
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Page/Page column 3, (2008/06/13)
A method for preparing 2-aminopyridine d...
Direct formation of 2,3,5-trichloropyridine and its nucleophilic displacement reactions in ionic liquid
Zhong, Ping,Hu, Huanan,Guo, Shengrong
, p. 4301 - 4311 (2007/10/03)
Reaction of trichloroacetaldehyde and ac...
89402-43-7 Process route
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- 16063-70-0
2,3,5-trichloropyridine
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- 89402-43-7
5-chloro-2,3-difluoropyridine
Conditions
| Conditions | Yield |
|---|---|
|
With potassium fluoride; C6H10BNO4; In dimethyl sulfoxide; at 60 ℃; for 5h; Solvent; Temperature;
|
95% |
|
With potassium fluoride; 18-crown-6 ether; potassium carbonate; cesium fluoride; In sulfolane; dimethyl sulfoxide; at 120 - 200 ℃; for 3h;
|
90% |
|
Multi-step reaction with 2 steps
1: 36.1 percent / KF; CsF; K2CO3 / [Bmim]BF4 / 10 h / 200 °C
2: 68.8 percent / CsF; K2CO3; [Bmim]BF4 / 8 h / 100 - 110 °C / 200 Torr
With potassium fluoride; [bmim]BF4; potassium carbonate; cesium fluoride; [bmim]BF4;
|
|
|
With potassium carbonate; cesium fluoride; In dimethyl sulfoxide;
|
|
|
With potassium carbonate; In dimethyl sulfoxide;
|
|
|
With potassium carbonate; cesium fluoride; In dimethyl sulfoxide;
|
-
- 103999-77-5
2,5-dichloro-3-fluoropyridine
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- 13400-13-0
cesium fluoride
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- 89402-43-7
5-chloro-2,3-difluoropyridine
Conditions
| Conditions | Yield |
|---|---|
|
With potassium-fluoride; In sulfolane; tetrahydrothiophene 1,1-dioxide (sulfolane);
|
88% |
|
With potassium fluoride; In sulfolane; tetrahydrothiophene 1,1-dioxide (sulfolane);
|
88% |
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