![5-Chloro-3-nitro-pyrazolo[1,5-a]pyrimidine](https://resource.bocsci.com/structure/1363380-51-1.gif)
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| IUPAC Name: | 5-chloro-3-nitropyrazolo[1,5-a]pyrimidine |
| Description: | 5-Chloro-3-nitro-pyrazolo[1,5-a]pyrimidine is used in the preparation of (S)-N-(5-((R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-yl)-3-hydroxypyrrolidine-1-carboxamide, a tyrosine kinase (TRK) inhibitor for treating cancer. |
| Molecular Weight: | 198.57 |
| Molecular Formula: | C6H3ClN4O2 |
| Canonical SMILES: | C1=CN2C(=C(C=N2)[N+](=O)[O-])N=C1Cl |
| InChI: | InChI=1S/C6H3ClN4O2/c7-5-1-2-10-6(9-5)4(3-8-10)11(12)13/h1-3H |
| InChI Key: | VYEUPRYCLWAOMU-UHFFFAOYSA-N |
| Melting Point: | 163 - 165°C |
| Solubility: | Chloroform (Slightly, Heated), DMSO (Slightly) |
| Appearance: | Purple Solid |
| Storage: | Hygroscopic, Refrigerator, under inert atmosphere |
| References: | Reynolds, M., et al. PCT Int. Appl. (2017), WO 2017201241 A1 20171123. |
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