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CAS No. : | 1352657-25-0 | MDL No. : | MFCD18732921 |
Formula : | C13H16BFO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | GUCARQAICCYFBQ-UHFFFAOYSA-N |
M.W : | 250.07 | Pubchem ID : | 99738341 |
Synonyms : |
|
Num. heavy atoms : | 18 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.46 |
Num. rotatable bonds : | 2 |
Num. H-bond acceptors : | 4.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 68.26 |
TPSA : | 35.53 Ų |
GI absorption : | High |
BBB permeant : | Yes |
P-gp substrate : | Yes |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -6.07 cm/s |
Log Po/w (iLOGP) : | 0.0 |
Log Po/w (XLOGP3) : | 2.47 |
Log Po/w (WLOGP) : | 2.36 |
Log Po/w (MLOGP) : | 1.45 |
Log Po/w (SILICOS-IT) : | 2.44 |
Consensus Log Po/w : | 1.74 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -3.06 |
Solubility : | 0.217 mg/ml ; 0.000869 mol/l |
Class : | Soluble |
Log S (Ali) : | -2.86 |
Solubility : | 0.345 mg/ml ; 0.00138 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -4.23 |
Solubility : | 0.0147 mg/ml ; 0.0000589 mol/l |
Class : | Moderately soluble |
PAINS : | 0.0 alert |
Brenk : | 2.0 alert |
Leadlikeness : | 0.0 |
Synthetic accessibility : | 2.86 |
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P405-P305+P351+P338-P304+P340-P280 | UN#: | |
Hazard Statements: | H335-H315-H319 | Packing Group: | |
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 |
---|---|---|
With magnesium sulfate; In methanol; at 20℃; for 6h; | General procedure: To a mixture of a4-formylbenzenboronic acid (1a, 375 mg, 2.50 mmol), pinacol (355 mg, 3.00 mmol) and anhydrous magnesium sulfate (625 mg, 5.00 mmol), methanol was added (12.50 mL). The mixture was stirred at room temperature for 6 h. After the reaction was completed, the crude solution was filtered, and then sodium borohydride (47 mg, 1.25 mmol) was added to the filtrate. Afterwards, the reaction mixture was stirred for an additional 5 h. Once the reaction was completed, the reaction mixture was filtered and the filtrate was concentrated in vacuo to give the desired product 2a as a white solid (m.p. 75-77 C) in88% yield (513 mg). 1H-NMR (CD3OD-d4) delta ppm 7.71 (d, J = 8.0 Hz, 2H), 7.35 (d, J = 7.8 Hz, 2H),4.62 (s, 2H), 1.34 (s, 12H); 13C-NMR (CD3OD-d4) delta ppm 146.23, 135.93, 127.26, 85.19, 65.24, 25.34;11B-NMR (CDCl3) delta ppm 34.82. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
64% | Stage #1: 3-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde; 4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)aniline In methanol at 60℃; for 1h; Microwave irradiation; Stage #2: 2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid; tert-butylisonitrile In methanol at 60℃; for 2h; Microwave irradiation; | General procedure for synthesis of multiple boron-containing Ugi analogs General procedure: N-(2-(tert-Butylamino)-2-oxo-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)benzamide (1) A 10-mL glass tube containing 4-aminophenylboronic acid pinacol ester (300 mg, 1.37 mmol), 4-formylphenylboronic acid pinacol ester (256 mg, 1.09 mmol), and 2.7 mL methanol was first stirred for 60 min under microwave irradiation (50 °C, 150 W). Then, 4-carboxyphenylboronic acid pinacol ester (374 mg, 1.51 mmol) and tert-butyl isocyanide (0.2 mL, 1.37 mmol) were added to the reaction mixture. Microwave irradiation was applied again for an additional 120 min (50 °C, 150 W) under medium-speed magnetic stirring, and the reaction mixture was concentrated and redissolved in ethylacetate. The crude solution was then washed with 1 M HCl(aq) and NaHCO3(aq), respectively. The organic solution was collected and dried over MgSO4 and concentratedin vacuo. The resulting crude material was purified by flash chromatography with ethyl acetate:n-hexane = 3:7 to afford the desired product in 85 %yield (708.19 mg). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
53% | General procedure: N-(2-(tert-Butylamino)-2-oxo-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)benzamide (1) A 10-mL glass tube containing 4-aminophenylboronic acid pinacol ester (300 mg, 1.37 mmol), 4-formylphenylboronic acid pinacol ester (256 mg, 1.09 mmol), and 2.7 mL methanol was first stirred for 60 min under microwave irradiation (50 C, 150 W). Then, 4-carboxyphenylboronic acid pinacol ester (374 mg, 1.51 mmol) and tert-butyl isocyanide (0.2 mL, 1.37 mmol) were added to the reaction mixture. Microwave irradiation was applied again for an additional 120 min (50 C, 150 W) under medium-speed magnetic stirring, and the reaction mixture was concentrated and redissolved in ethylacetate. The crude solution was then washed with 1 M HCl(aq) and NaHCO3(aq), respectively. The organic solution was collected and dried over MgSO4 and concentratedin vacuo. The resulting crude material was purified by flash chromatography with ethyl acetate:n-hexane = 3:7 to afford the desired product in 85 %yield (708.19 mg). |