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CAS No. : | 1224944-51-7 | MDL No. : | MFCD22551533 |
Formula : | C8H6ClN3O2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | FDJUGKZMZUVEJD-UHFFFAOYSA-N |
M.W : | 211.61 g/mol | Pubchem ID : | 58063364 |
Synonyms : |
|
Num. heavy atoms : | 14 |
Num. arom. heavy atoms : | 9 |
Fraction Csp3 : | 0.12 |
Num. rotatable bonds : | 2 |
Num. H-bond acceptors : | 4.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 49.28 |
TPSA : | 56.49 Ų |
GI absorption : | High |
BBB permeant : | Yes |
P-gp substrate : | No |
CYP1A2 inhibitor : | Yes |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -6.78 cm/s |
Log Po/w (iLOGP) : | 1.96 |
Log Po/w (XLOGP3) : | 1.14 |
Log Po/w (WLOGP) : | 1.17 |
Log Po/w (MLOGP) : | 1.15 |
Log Po/w (SILICOS-IT) : | 0.9 |
Consensus Log Po/w : | 1.26 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -2.21 |
Solubility : | 1.29 mg/ml ; 0.00611 mol/l |
Class : | Soluble |
Log S (Ali) : | -1.92 |
Solubility : | 2.54 mg/ml ; 0.012 mol/l |
Class : | Very soluble |
Log S (SILICOS-IT) : | -2.41 |
Solubility : | 0.818 mg/ml ; 0.00386 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 1.97 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338-P310 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H332-H335 | Packing Group: | N/A |
GHS Pictogram: |
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* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | Stage #1: for 2 h; Reflux; Inert atmosphere Stage #2: for 0.5 h; Inert atmosphere |
A mixture of 5-oxo-4,5-dihydropyrazolo[1,5-c]pyrimidine-3-carboxylic acid (151 mg, 0.84 mM, 1.0 equiv), phosphorus oxychloride (20 mL) and N,N-diisopropylethylamine (440 uL, 2.5 mM, 3.0 equiv), were heated under reflux for 2 hours. The reaction mixture was cooled to ambient temperature overnight then concentrated under reduced pressure. The residue was dissolved in 20 mL of methanol, stirred for 30 minutes and concentrated under vacuum. The residue was partitioned between ethyl acetate and water. The organic phase was washed with brine, dried over sodium sulfate, filtered through a pad of silica gel and concentrated to give 160 mg (90percent) of methyl 5-chloropyrazolo[1,5-c]pyrimidine-3-carboxylate LCMS (ESI) m+H=212.2, 1H NMR (400 MHz, DMSO-d6) δ: 9.34 (d, 1H), 8.68 (s, 1H), 7.42 (d, 1H), 3.83 (s, 3H). |
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