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CAS No. : | 1159511-89-3 | MDL No. : | MFCD12028635 |
Formula : | C9H9BrN2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | CJUCAYMTGYRYEH-UHFFFAOYSA-N |
M.W : | 225.09 | Pubchem ID : | 44119467 |
Synonyms : |
|
Num. heavy atoms : | 12 |
Num. arom. heavy atoms : | 9 |
Fraction Csp3 : | 0.22 |
Num. rotatable bonds : | 0 |
Num. H-bond acceptors : | 1.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 53.66 |
TPSA : | 17.82 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) : | -5.81 cm/s |
Log Po/w (iLOGP) : | 2.29 |
Log Po/w (XLOGP3) : | 2.63 |
Log Po/w (WLOGP) : | 2.64 |
Log Po/w (MLOGP) : | 2.49 |
Log Po/w (SILICOS-IT) : | 2.54 |
Consensus Log Po/w : | 2.52 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -3.45 |
Solubility : | 0.0803 mg/ml ; 0.000357 mol/l |
Class : | Soluble |
Log S (Ali) : | -2.65 |
Solubility : | 0.499 mg/ml ; 0.00222 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -3.72 |
Solubility : | 0.0429 mg/ml ; 0.000191 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 1.63 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* 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 |
---|---|---|
In ethyl acetate at 20℃; for 14.5h; | Preparation 33: 5-Bromo-4-fluoro-2-methyl-2H-indazole General procedure: To a suspension of 5-bromo-4-fluoro-1H-indazole (1.0 g, 4.7 mmol) in EtOAc (20 mL) was added trimethyloxonium tetrafluoroborate (1 .0 g, 7.0 mmol) at room temperature. After stirring at the same temperature for 14.5 h, the mixture was quenched with sat. NaHCO3 aq. and extracted with EtOAc. The organic phase was washed with brine, dried over Na2SO4, filtered, and concentrated in vacuo. Theresidue was purified by column chromatography on silica gel (gradient elution, 0-60% EtOAc/hexane) to give the title compound (0.91 g), MS: [M+H] = 230. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 37.8% 2: 21.3% | With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; for 16h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: potassium acetate; 18-crown-6 ether; tert.-butylnitrite; acetic anhydride / chloroform / 16 h / 75 °C 1.2: 2 h / 50 °C 2.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 16 h / 0 - 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,4-dioxane / 1 h / 120 °C / Inert atmosphere; Microwave irradiation 2: potassium carbonate; Brettphos Pd G3 / 1,4-dioxane; water / 100 °C / Sealed tube; Inert atmosphere | ||
Multi-step reaction with 2 steps 1: potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,4-dioxane / 1 h / 120 °C / Inert atmosphere; Microwave irradiation; Sealed tube 2: potassium carbonate; BrettPhos Pd G3 / 1,4-dioxane; water / 100 °C / Sealed tube; Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,4-dioxane / 1 h / 120 °C / Inert atmosphere; Microwave irradiation 2: potassium carbonate; Brettphos Pd G3 / 1,4-dioxane; water / 2 h / 100 °C / Inert atmosphere | ||
Multi-step reaction with 2 steps 1: potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,4-dioxane / 1 h / 120 °C / Inert atmosphere; Microwave irradiation; Sealed tube 2: potassium carbonate; BrettPhos Pd G3 / 1,4-dioxane; water / 2 h / 100 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,4-dioxane / 1 h / 120 °C / Inert atmosphere; Microwave irradiation 2: potassium carbonate; Brettphos Pd G3 / 1,4-dioxane; water / 3 h / 100 °C / Sealed tube; Inert atmosphere | ||
Multi-step reaction with 2 steps 1: potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,4-dioxane / 1 h / 120 °C / Inert atmosphere; Microwave irradiation; Sealed tube 2: potassium carbonate; BrettPhos Pd G3 / 1,4-dioxane; water / 3 h / 100 °C / Sealed tube; Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,4-dioxane / 1 h / 120 °C / Inert atmosphere; Microwave irradiation 2: potassium carbonate; Brettphos Pd G3 / 1,4-dioxane; water / 3 h / 100 °C / Sealed tube; Inert atmosphere 3: lithium aluminium deuteride / tetrahydrofuran / 0.25 h / 20 °C | ||
Multi-step reaction with 3 steps 1: potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,4-dioxane / 1 h / 120 °C / Inert atmosphere; Microwave irradiation; Sealed tube 2: potassium carbonate; BrettPhos Pd G3 / 1,4-dioxane; water / 3 h / 100 °C / Sealed tube; Inert atmosphere 3: lithium aluminium deuteride / tetrahydrofuran / 15 min / 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
34% | With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium acetate In 1,4-dioxane at 120℃; for 1h; Inert atmosphere; Microwave irradiation; | 25 2,4-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-indazole. 5-Bromo-2,4-dimethyl-2H-indazole (2.00 g, 8.89 mmol, 1 eq), potassium acetate (2.61 g, 26.7 mmol, 3 eq), Pd(dppf)Cl2^DCM (727 mg, 0.89 mmol, 0.1 eq) and bis(pinacolato)diboron (3.38 g, 13.3 mmol, 1.5 eq) were combined in a vial, which was sealed and placed under an inert atmosphere. 1,4-Dioxane (30 mL) was then added via syringe, and the resulting reaction mixture was stirred at 120 °C under microwave irradiation for 1 h, after which time the reaction mixture was filtered through a pad of Celite with DCM, and solvents were concentrated. The crude residue was purified by column chromatography (3-80% EtOAc in hexanes) to give the product, which co-elutes with de-brominated indazole by column chromatography (819 mg, 34%). The product may be purified by recrystallizing from EtOH. ES-MS [M+H]+= 273.2. |
34% | With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium acetate In 1,4-dioxane at 120℃; for 1h; Inert atmosphere; Microwave irradiation; | 25 2,4-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-indazole. 5-Bromo-2,4-dimethyl-2H-indazole (2.00 g, 8.89 mmol, 1 eq), potassium acetate (2.61 g, 26.7 mmol, 3 eq), Pd(dppf)Cl2^DCM (727 mg, 0.89 mmol, 0.1 eq) and bis(pinacolato)diboron (3.38 g, 13.3 mmol, 1.5 eq) were combined in a vial, which was sealed and placed under an inert atmosphere. 1,4-Dioxane (30 mL) was then added via syringe, and the resulting reaction mixture was stirred at 120 °C under microwave irradiation for 1 h, after which time the reaction mixture was filtered through a pad of Celite with DCM, and solvents were concentrated. The crude residue was purified by column chromatography (3-80% EtOAc in hexanes) to give the product, which co-elutes with de-brominated indazole by column chromatography (819 mg, 34%). The product may be purified by recrystallizing from EtOH. ES-MS [M+H]+= 273.2. |
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium acetate In 1,4-dioxane at 120℃; Inert atmosphere; Microwave irradiation; Sealed tube; | 25 2,4-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-indazole. 5-Bromo-2,4-dimethyl-2H-indazole (2.00 g, 8.89 mmol, 1 eq), potassium acetate (2.61 g, 26.7 mmol, 3 eq), Pd(dppf)Cl2^DCM (727 mg, 0.89 mmol, 0.1 eq) and bis(pinacolato)diboron (3.38 g, 13.3 mmol, 1.5 eq) were combined in a vial, which was sealed and placed under an inert atmosphere. 1,4-Dioxane (30 mL) was then added via syringe, and the resulting reaction mixture was stirred at 120 °C under microwave irradiation for 1 h, after which time the reaction mixture was filtered through a pad of Celite with DCM, and solvents were concentrated. The crude residue was purified by column chromatography (3-80% EtOAc in hexanes) to give the product, which co-elutes with de-brominated indazole by column chromatography (819 mg, 34%). The product may be purified by recrystallizing from EtOH. ES-MS [M+H]+= 273.2. |
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