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CAS No. : | 760989-61-5 | MDL No. : | MFCD22494597 |
Formula : | C16H22BNO5 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | WDCXANZEXWZEQK-UHFFFAOYSA-N |
M.W : | 319.16 | Pubchem ID : | 69201358 |
Synonyms : |
|
Num. heavy atoms : | 23 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.5 |
Num. rotatable bonds : | 5 |
Num. H-bond acceptors : | 5.0 |
Num. H-bond donors : | 1.0 |
Molar Refractivity : | 88.51 |
TPSA : | 73.86 Ų |
GI absorption : | High |
BBB permeant : | No |
P-gp substrate : | Yes |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -6.48 cm/s |
Log Po/w (iLOGP) : | 0.0 |
Log Po/w (XLOGP3) : | 2.49 |
Log Po/w (WLOGP) : | 1.54 |
Log Po/w (MLOGP) : | 0.99 |
Log Po/w (SILICOS-IT) : | 1.46 |
Consensus Log Po/w : | 1.3 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -3.25 |
Solubility : | 0.179 mg/ml ; 0.000562 mol/l |
Class : | Soluble |
Log S (Ali) : | -3.69 |
Solubility : | 0.0657 mg/ml ; 0.000206 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -4.44 |
Solubility : | 0.0116 mg/ml ; 0.0000363 mol/l |
Class : | Moderately soluble |
PAINS : | 0.0 alert |
Brenk : | 1.0 alert |
Leadlikeness : | 0.0 |
Synthetic accessibility : | 3.07 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P330-P363-P501 | UN#: | N/A |
Hazard Statements: | H302-H312-H332 | 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 |
---|---|---|
70% | With tris-(dibenzylideneacetone)dipalladium(0); potassium acetate; tricyclohexylphosphine In 1,4-dioxane at 90℃; for 16h; Inert atmosphere; | 166.2 Step 2: To a solution of methyl 2-acetamido-4-bromobenzoate (0.6 g, 2.21 mmol), bis(pinacolato)diboron ( 0.61 g, 2.435 mmol), KOAc (0.65g, 6.64 mmol) in 1,4-dioxane (15 mL) were added Pd2(dba)3 (60 mg, 0.066 mmol), P(Cy)3 (60 mg, 0.066 mmol) and the reaction mixture was heated at 90 °C for 16 h under argon. The reaction mixture was diluted with ethyl acetate and washed with water. The organic layer was dried over anhydrous Na2S04 and concentrated under reduced pressure to afford methyl 2-acetamido-4-(4,4,5,5- tetramethyl-l,3,2-dioxaborolan-2-yl)benzoate (600 mg, LC-MS 70%) as a green solid which was used in the next step without purification |
56% | With potassium acetate In 1,4-dioxane at 85℃; | 11C Example 11C 2-ACETVLAMINO-4- (4, 4,5, 5-TETRAMETLIYL-F 1, 3, 21DIOXABOROLAN-2-YL)-BENZOIC acid methyl ester To a solution of Example 11B (45.0 mg, 0.174 mmol) in CH2CL2/MEOH (2 mL/0.3 mL) was added TMSCHN2. After the disappearance of strong bubbling, the reaction mixture was concentrated. The crude methyl ester product was taken into the next step without purification. A mixture of the above crude product, Pd2 (dba) 3 (3.2 mg, 0.0034 MMOL), PCy3 (3.9 mg, 0.014 MMOL), KOAc (25.6 mg, 0.261 MMOL), and bis (PINACOLATO) DIBORON (53.0 mg, 0.209 mmol) in 1,4-dioxane (1.5 mL) was heated at 85 °C overnight in a capped vial. The solvent was evaporated and the residue was extracted with EtOAc, washed with brine, dried over MGS04, filtered, concentrated, and purified by flash chromatography eluted with hexane/EtOAc (8 : 2 to 7: 3) to give 31.0 mg (56%) of the desired product as off-white solid. MS (DCI/NH3) m/z: 320. 1 (M+H) + ; LH NMR (300 MHz, DMSO-D6) 8 1.31 (s, 12 H), 2.11 (s, 3 H), 3. 85 (s, 3 H), 7.45 (d, J=8. 82 Hz, 1 H), 7. 87 (d, J=7. 80 Hz, 1 H), 8. 42 (s, 1 H), 10.42 (s, 1 H). |
With tris-(dibenzylideneacetone)dipalladium(0); potassium acetate; tricyclohexylphosphine In 1,4-dioxane at 90℃; for 16h; Inert atmosphere; | 166.2 N-(5-(3-(4-cyanophenyl)imidazo[1,2-a]pyridin-6-yl)-2-(morpholine-4-carbonyl)phenyl)acetamide Step 2: To a solution of methyl 2-acetamido-4-bromobenzoate (0.6 g, 221 mmol), bis(pinacolato)diboron (0.61 g, 2.435 mmol), KOAc (0.65 g, 6.64 mmol) in 1,4-dioxane (15 mL) were added Pd2(dba)3 (60 mg, 0.066 mmol), P(Cy)3 (60 mg, 0.066 mmol) and the reaction mixture was heated at 90° C. for 16 h under argon. The reaction mixture was diluted with ethyl acetate and washed with water. The organic layer was dried over anhydrous Na2SO4 and concentrated under reduced pressure to afford methyl 2-acetamido-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (600 mg, LC-MS 70%) as a green solid which was used in the next step without purification. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
63% | With potassium phosphate; tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane; water at 90℃; | 166.3 Step 3: To a mixture of methyl 2-acetamido-4-(4,4,5,5-tetramethyl-l,3,2-dioxaborolan-2- yl)benzoate (0.6 g, 1.87 mmol), 4-(6-bromoimidazo[l,2-a]pyridin-3-yl)benzonitrile (0.4 g, 1.34 mmol), K3P04 (0.57 g, mmol) in 1,4-dioxane (5 mL), and water (1 mL) was added Pd(PPh3)4 (40 mg) and the reaction mixture was heated at 90 °C for overnight and concentrated to give crude product. The crude product was purified by column chromatography (silica gel, eluent MeOH/CHCl3 3.5: 96.5) to afford methyl 2-acetamido-4- (3-(4-cyanophenyl)imidazo[l,2-a]pyridin-6-yl)benzoate (350 mg, 63%, LC-MS 85%) |
With potassium phosphate; tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane; water at 90℃; | 166.3 Example 166 To a mixture of methyl 2-acetamido-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (0.6 g, 1.87 mmol), 4-(6-bromoimidazo[1,2-a]pyridin-3-yl)benzonitrile (0.4 g, 1.34 mmol), K3PO4 (0.57 g, mmol) in 1,4-dioxane (5 mL), and water (1 mL) was added Pd(PPh3)4 (40 mg) and the reaction mixture was heated at 90° C. for overnight and concentrated to give crude product. The crude product was purified by column chromatography (silica gel, eluent MeOH/CHCl3 3.5: 96.5) to afford methyl 2-acetamido-4-(3-(4-cyanophenyl)imidazo[1,2-a]pyridin-6-yl)benzoate (350 mg, 63%, LC-MS 85%) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: triethylamine / dichloromethane / 4 h / 0 °C 2: potassium acetate; tris-(dibenzylideneacetone)dipalladium(0); tricyclohexylphosphine / 1,4-dioxane / 16 h / 90 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: tetrakis(triphenylphosphine) palladium(0); potassium phosphate / water; 1,4-dioxane / 90 °C 2: lithium hydroxide; water / tetrahydrofuran; ethanol / 2 h / 0 - 20 °C | ||
Multi-step reaction with 2 steps 1: tetrakis(triphenylphosphine) palladium(0); potassium phosphate / water; 1,4-dioxane / 90 °C 2: water; lithium hydroxide / tetrahydrofuran; ethanol / 2 h / 0 - 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1.1: tetrakis(triphenylphosphine) palladium(0); potassium phosphate / water; 1,4-dioxane / 90 °C 2.1: lithium hydroxide; water / tetrahydrofuran; ethanol / 2 h / 0 - 20 °C 3.1: 4-methyl-morpholine; HATU / N,N-dimethyl-formamide / 0.5 h / 20 °C 3.2: 20 °C | ||
Multi-step reaction with 3 steps 1.1: tetrakis(triphenylphosphine) palladium(0); potassium phosphate / water; 1,4-dioxane / 90 °C 2.1: water; lithium hydroxide / tetrahydrofuran; ethanol / 2 h / 0 - 20 °C 3.1: 4-methyl-morpholine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 0.5 h / 20 °C 3.2: 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
30% | With potassium phosphate; tetrakis(triphenylphosphine) palladium(0); In 1,4-dioxane; water; at 90℃; for 16h; | To a mixture of methyl 2-acetamido-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (2.3 g, 7.18 mmol), <strong>[29274-24-6]5-chloropyrazolo[1,5-a]pyrimidine</strong> (1 g, 6.53 mmol), K3PO4 (2.77 g, 13.07 mmol) in 1,4-dioxane (20 mL) and water (2 mL) was added Pd(PPh3)4 (150 mg) and the reaction mixture was heated at 90 C. for 16 h. The reaction mixture was diluted with EtOAc and washed with water and brine solution. The organic layer was dried over anhydrous Na2SO4 and concentrated under reduced pressure to obtain the crude product. The crude product was purified by column chromatography (silica gel, eluent EtOAc/petroleum ether 50:50) to afford methyl 2-acetamido-4-(pyrazolo[1,5-a]pyrimidin-5-yl)benzoate (600 mg, 30%, LC-MS 98%) as a pale yellow solid. 1H NMR (400 MHz, CDCl3) delta 11.1.4 (s, 1H), 9.43 (s, 1H), 8.74 (d, J=7.6 Hz, 1H), 8.17 (d, J=8.1 Hz, 1H), 7.94 (d, J=1.6 Hz, 1H), 7.93-7.92 (m, 1H), 7.38 (d, J=7.6 Hz, 1H), 6.76 (s, 1H), 3.97 (s, 3H), 2.29 (s, 3H); MS (ESI) m/z 311 [M+H]+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: tetrakis(triphenylphosphine) palladium(0); potassium phosphate / water; 1,4-dioxane / 16 h / 90 °C 2: N-iodo-succinimide / acetonitrile / 2 h |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: tetrakis(triphenylphosphine) palladium(0); potassium phosphate / water; 1,4-dioxane / 16 h / 90 °C 2: N-iodo-succinimide / acetonitrile / 2 h 3: tetrakis(triphenylphosphine) palladium(0); potassium phosphate / water; 1,4-dioxane / 16 h / 90 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1: tetrakis(triphenylphosphine) palladium(0); potassium phosphate / water; 1,4-dioxane / 16 h / 90 °C 2: N-iodo-succinimide / acetonitrile / 2 h 3: tetrakis(triphenylphosphine) palladium(0); potassium phosphate / water; 1,4-dioxane / 16 h / 90 °C 4: water; lithium hydroxide / methanol; tetrahydrofuran / 5 h / 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 5 steps 1.1: tetrakis(triphenylphosphine) palladium(0); potassium phosphate / water; 1,4-dioxane / 16 h / 90 °C 2.1: N-iodo-succinimide / acetonitrile / 2 h 3.1: tetrakis(triphenylphosphine) palladium(0); potassium phosphate / water; 1,4-dioxane / 16 h / 90 °C 4.1: water; lithium hydroxide / methanol; tetrahydrofuran / 5 h / 20 °C 5.1: 4-methyl-morpholine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 0.5 h / 20 °C 5.2: 16 h / 20 °C |
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