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CAS No. : | 850568-41-1 | MDL No. : | MFCD06659818 |
Formula : | C9H12BNO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | ZMJVNKSOLIUBKO-UHFFFAOYSA-N |
M.W : | 193.01 | Pubchem ID : | 22309454 |
Synonyms : |
|
Num. heavy atoms : | 14 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.22 |
Num. rotatable bonds : | 4 |
Num. H-bond acceptors : | 3.0 |
Num. H-bond donors : | 3.0 |
Molar Refractivity : | 53.85 |
TPSA : | 69.56 Ų |
GI absorption : | High |
BBB permeant : | No |
P-gp substrate : | No |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -7.52 cm/s |
Log Po/w (iLOGP) : | 0.0 |
Log Po/w (XLOGP3) : | -0.06 |
Log Po/w (WLOGP) : | -1.15 |
Log Po/w (MLOGP) : | -0.15 |
Log Po/w (SILICOS-IT) : | -0.84 |
Consensus Log Po/w : | -0.44 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -1.05 |
Solubility : | 17.1 mg/ml ; 0.0887 mol/l |
Class : | Very soluble |
Log S (Ali) : | -0.95 |
Solubility : | 21.7 mg/ml ; 0.112 mol/l |
Class : | Very soluble |
Log S (SILICOS-IT) : | -2.08 |
Solubility : | 1.59 mg/ml ; 0.00824 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 1.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 1.32 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | 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 |
---|---|---|
Stage #1: (4-(acetamidomethyl)phenyl)boronic acid; C12H13F3N2O4S With triethylamine In 1,4-dioxane at 20℃; for 0.0833333h; Stage #2: In 1,4-dioxane at 90℃; for 2h; | B.2 Intermediate compound 4 (150 mg, 0.44 mmol), and 4-(acetamidomethyl)phenyl- boronic acid (129 mg, 0.67 mmol) were mixed in 1,4-dioxane (5 ml) and Et3N (0.12 ml, 0.89 mmol) at room temperature and N2 was flushed through the mixture for 5 min. Pd(PPh3)4 (77 mg, 0.067 mmol) was added and the resulting mixture was heated at 90 0C for 2 hours. The mixture was cooled to room temperature, diluted with AcOEt and brine. The aqueous phase was extracted with AcOEt (3 x 20ml). The combined organ- ics layers were dried over Na2SO4, evaporated in vacuum and the residue thus obtained was purified by column chromatography (SiO2, DCM / AcOEt) to yield 16 mg of final compound 1-179 as a white solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
51% | Stage #1: (4-(acetamidomethyl)phenyl)boronic acid; 3'-chloro-4-(1-ethyl-3-methyl-1H-pyrazol-4-ylmethyl)-3,4,5,6-tetrahydro-2H-[1,2']bipyrazinyl With potassium carbonate In tetrahydrofuran; water for 20h; Heating / reflux; Stage #2: With ammonium chloride In methanol for 0.166667h; | 18m Example 18m: N-{4-[4-(l-Ethyl-3-methyl-lH-pyrazol-4-ylmethyl)-3,4,5,6-tetrahydro- 2H-[l,2']bipyrazinyl-3'-yl]-benzyl}-acetamide hydrochlorideDissolve 3'-chloro-4-(l-ethyl-3-methyl-lH-pyrazol-4-ylmethyl)-3,4,5,6- tetrahydro-2H-[l,2']bipyrazinyl (0.204 g, 0.636 mmol) in tetrahydrofuran (1.75 mL) and water (0.9 mL). Add potassium carbonate (0.193 g, 1.40 mmol) then 4- acetamidomethylbenzeneboronic acid (0.172 g, 0.890 mmol) and degas with nitrogen for 15 min. Add tri-n-butylphosphine tetrafluoroborate (7.4 mg, 0.0254 mmol) and tris(dibenzylideneacetone)dipalladium(0) (12 mg, 0.0127 mmol) and reflux for 20 hr.Cool to room temperature then dilute with saturated aq. sodium bicarbonate and extract 3 times with ethyl acetate. Dry (sodium sulfate), filter, concentrate and purify (silica gel chromatography, eluting with 4.5:95.5 methanol (with 2 M ammonia):DCM), to give a yellow solid. Dissolve the solid in methanol and add ammonium chloride (1 equivalent) then sonicate the mixture for 10 min. Evaporate the solution to give the title compound as a yellow solid (0.172 g, 51%). MS (ES): m/z [M+H] = 434 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
50% | With potassium carbonate In ISOPROPYLAMIDE; water at 110℃; for 18h; | 34 Dissolve 1 -methyl- lH-pyrazole-4-sulfonic acid [2-(3'-chloro-2,3,5,6-tetrahydro- [l,2']bipyrazinyl-4-yl)-ethyl]-methyl-amide (200 mg, 0.483 mmol) in DMA-H2O (10 ml; 3: 1 v/v, previously degassed with nitrogen). Add 4-acetamidophenyl boronic acid (112 mg, 0.580 mmol), potassium carbonate (160 mg, 1.16 mmol) and tetrakis(triphenyl- phosphine)palladium (28 mg, 0.024 mmol). Heat the reaction mixture at 1100C for 18 hr. Cool and dilute with ethyl acetate and water. Extract the aqueous layer with ethyl acetate and combine the organic layers. Wash the combined organic layers with brine and concentrate. Purify by chromatography, eluting with 1 :2 hexanes: acetone to afford the free base of the title compound (124 mg, 50 % yield) as a white foam.Prepare the hydrochloride salt by dissolving the free base (124 mg) in acetonitrile and adding IN aqueous HCl (0.266 ml, 0.266 mmol). Stir for 1 hr at ambient > temperature. Remove the organics and lyophilize the remaining aqueous portions to afford the title compound (100% yield). MS ES: m/z = 513 [M+H]+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
79% | With potassium carbonate In ethanol; water; toluene at 90℃; for 3h; Inert atmosphere; | 2 N-{2-[4'-(Acetylamino-methyl)-biphenyl-4-yI]-l-fluoromethyl-2-hydroxy-ethyl}-2,2- dichloro-acetamide (1-3) A mixture of 13 (300 mg, 0.74 mmol), 4- acetylaminomethylphenylboronic acid (172 mg, 0.89 mmol), K2C03 (306 mg, 2.22 mmol), tetrakis(triphenylphosphine)palladium (0) (41 mg, 0.037 mmol) and toluene/EtOH/H20 (3: 1 : 1 , 10 ml) was degassed. The mixture was heated at 90 °C for 3 h under argonatmosphere. Diluted with EtOAc (30 ml), washed with H20 (20 ml) and concentrated. The crude product was purified by PTLC (EtOAc/Hexane/MeOH, 1 :2:0.3) to afford 1-3 as solid (250 mg, 79%).1NMR (300 MHz, CDC13): δ 7.58 (d, J = 8.1 Hz, 2H), 7.56 (d, J = 8.1 Hz, 2H), 7.45 (d, J = 8.4 Hz, 2H), 7.34 (d, J = 8.4 Hz, 2H), 6.28 (s, 1H), 4.97 (d, J = 3.9 Hz, 1H), 4.62 (ddd, J = 5.3, 9.3, 31.8 Hz, 1H), 4.40 (ddd, J = 4.2, 9.3, 29.4 Hz, 1H), 4.30 (m, 1H); |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium hydrogencarbonate In propan-1-ol; water for 18h; Reflux; | 2.2 1.3 Method 3 [00314] General conditions for the preparation of 3-bromo-biphenyls: Bromoiodobenzene (1.00 equiv), boronic acid (1.01 equiv), [l,l,-bis(triphenylphosphino)ferrocene]palladium[II] chloride dichloromethane adduct (0.02 equiv) and sodium bicarbonate (3.0 equiv) are combined in 1- propanol/water (4: 1 v:v, 0.3M with respect to iodide). The flask is fitted with a reflux condenser and degassed with vacuum, backfilling with argon, for three cycles. The reaction is heated at reflux overnight and then judged complete by thin layer chromatography or LC/MS, at which point it is cooled, diluted with water, and extracted thrice with ethyl acetate. The combined organic phases are washed with brine, dried over sodium sulfate, and concentrated in vacuo. If needed, the concentrated reaction mixture is purified by flash silica gel chromatography (ethyl acetate/hexanes) to provide the desired 3-bromobiphenyl. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
79% | With tris-(dibenzylideneacetone)dipalladium(0); potassium carbonate In N,N-dimethyl-formamide Sealed tube; Inert atmosphere; Heating; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium carbonate In 1,4-dioxane; water at 100℃; for 4h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
49% | With potassium phosphate; tris-(dibenzylideneacetone)dipalladium(0); tricyclohexylphosphine tetrafluoroborate In 1,4-dioxane; water at 99℃; for 18h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
16% | With potassium phosphate; tris-(dibenzylideneacetone)dipalladium(0); tricyclohexylphosphine tetrafluoroborate In 1,4-dioxane; water at 99℃; for 18h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
30.4% | With tris-(dibenzylideneacetone)dipalladium(0); potassium dihydrogenphosphate; 1,3,5,7-tetramethyl-8-phenyl-2,4,6-trioxa-8-phosphatricyclo[3.3.1.13,7]decane In 1,4-dioxane; water at 100℃; for 1h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
54.5% | With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,4-dioxane; water at 100℃; for 12h; | 37.2 Step 2 In a 10 mL micro vial 8-((6-bromopyridin-2-yl)(4-methoxybenzyl)amino)-6- (((lR,2R)-2-hydroxycyclohexyl)amino)imidazo[l,2-b]pyridazine-3-carbonitrile (150 mg, 0.274 mmol), (4-(acetamidomethyl)phenyl)boronic acid (63.3 mg, 0.328 mmol), K2CO3 (151 mg, 1.094 mmol) and tetrakis(triphenylphosphine)palladium(0) (22.12 mg, 0.019 mmol) were dissolved in dioxane (3.0 mL) and water (1.0 mL). Then reaction mass was degasified with nitrogen and heated to 100 °C for 12 hours. Then it was submitted to LC- MS. LC-MS showed 36% product formation. The reaction was quenched with water and extracted with ethyl acetate (3 x 5 mL), the combined organic layers were washed with saturated brine, dried over NaiSCri and concentrated. The crude was purified by combi flash 12 gm silica chromatography on elution of 50-60% ethyl acetate: pet ether. Product fractions were combined and concentrated to get N-(4-(6-((3-CN-6-(((lR,2R)-2- hydroxycyclohexyl)amino)imidazo[l,2-b]pyridazin-8-yl)(4-methoxybenzyl)amino) pyridin-2-yl)benzyl)acetamide (100 mg, 0.149 mmol, 54.5 % yield). LC retention time 2.26 min [A] MS (ES+) m/z: 617(MH+). |
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