Structure of 171364-83-3
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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
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CAS No. : | 171364-83-3 |
Formula : | C12H16BNO4 |
M.W : | 249.07 |
SMILES Code : | O=[N+](C1=CC=C(B(OC2(C)C)OC2(C)C)C=C1)[O-] |
MDL No. : | MFCD02179437 |
InChI Key : | LUWACRUAJXZANC-UHFFFAOYSA-N |
Pubchem ID : | 2773555 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 18 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.5 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 4.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 71.74 |
TPSA ? Topological Polar Surface Area: Calculated from |
64.28 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
0.0 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.74 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.89 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.46 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
-0.34 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.15 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.23 |
Solubility | 0.148 mg/ml ; 0.000596 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.74 |
Solubility | 0.0449 mg/ml ; 0.00018 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.38 |
Solubility | 0.103 mg/ml ; 0.000415 mol/l |
Class? Solubility class: Log S scale |
Soluble |
GI absorption? Gatrointestinal absorption: according to the white of the BOILED-Egg |
High |
BBB permeant? BBB permeation: according to the yolk of the BOILED-Egg |
Yes |
P-gp substrate? P-glycoprotein substrate: SVM model built on 1033 molecules (training set) |
No |
CYP1A2 inhibitor? Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set) |
No |
CYP2C19 inhibitor? Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set) |
No |
CYP2C9 inhibitor? Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set) |
No |
CYP2D6 inhibitor? Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set) |
No |
CYP3A4 inhibitor? Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set) |
No |
Log Kp (skin permeation)? Skin permeation: QSPR model implemented from |
-5.87 cm/s |
Lipinski? Lipinski (Pfizer) filter: implemented from |
0.0 |
Ghose? Ghose filter: implemented from |
None |
Veber? Veber (GSK) filter: implemented from |
0.0 |
Egan? Egan (Pharmacia) filter: implemented from |
0.0 |
Muegge? Muegge (Bayer) filter: implemented from |
0.0 |
Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat |
0.55 |
PAINS? Pan Assay Interference Structures: implemented from |
0.0 alert |
Brenk? Structural Alert: implemented from |
3.0 alert: heavy_metal |
Leadlikeness? Leadlikeness: implemented from |
No; 1 violation:MW<1.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
2.95 |
* 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 |
---|---|---|
455 mg | With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; caesium carbonate; In water; dimethyl sulfoxide; | The titled compound was prepared by the reaction of <strong>[13534-90-2]3,4-dibromopyridine</strong> (1.01 g, 4.26 mmol) with 4-nitrophenylboronic acid pinacol ester (1.06 g, 4.26 mmol) using cesium carbonate (2.07 g, 6.39 mmol) and [l, -bis(diphenylphosphino)ferrocene]dichloropalladium (II) (155 mg, 0.21 mmol) in a mixture of DMSO and water (20 mL, 3: 1) as per the procedure described in Step 1 of Intermediate 1 to yield 455 mg of the product; 1H NMR (300 MHz, CDC13) delta 7.33 (d, 7 = 4.8 Hz, 1H), 7.63 (d, 7 = 8.7 Hz, 2H), 8.35 (d, 7 = 8.7 Hz, 2H), 8.64 (d, 7 = 5.1 Hz, 1H), 8.89 (s, 1H) ; ESI-MS (m/z) 281 (M+2H)+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
9.3 g | Example 1 Compound 3 (36.0 g, 0.19 mol) was dissolved in 190 mL of methylene chloride under a nitrogen atmosphere,Diisopropylethylamine (27.0 g, 0.21 mol) was added and the temperature was lowered to -60 C. Trifluoromethanesulfonic anhydride (59.2 g,0.21 mol) was added and reacted at this temperature. After the reaction, water was added, the temperature was raised to room temperature, the mixture was extracted with ethyl acetate, and saturated sodium bicarbonateAfter washing and drying of the organic phase, the solvent was distilled off under reduced pressure to give 44.5 g of compound 3 as a light yellow solid.Example 2 A mixture of compound 3 (39.0 g, 0.12 p-nitrophenyl boronate mol) under nitrogen was added 130 mL of tetrahydrofuranAfter dissolution, (31.4 g, 0.13 mol), palladium tetrakistriphenylphosphine (6.9 g, 6.0 mmol), potassium carbonate(33.1 g, 0.13 mol) and heated to reflux temperature and reacted at this temperature for 8 hours, after which time the system was lowered to roomThe reaction solution was filtered through celite and the filtrate was evaporated under reduced pressure to a partial solvent, the crystals precipitated at low temperature, filtered to give a mixture of compounds 5,6The compound was 37.5 g as a light brown solid.Example 3 In an autoclave, 110 mL of methanol was added to a mixture of compounds 5 and 6 (19.0 g, 0.065 mol), 30 mL of acetic acid was added, 1.5 g of palladium hydroxide was added,After the introduction of hydrogen, after 12 at atmospheric pressure for 24 hours, after the reaction,The solid was filtered off and most of the methanol in the filtrate was evaporated under reduced pressure. 130 mL of 1 mL sodium hydroxide solution was added and the mixture was stirred for 20 minutes.The mixture was extracted twice with ethyl acetate (2 * 100 mL), the organic phase was washed once with saturated citric acid (100 mL) and the organic phase was washed with anhydrous sodium sulfateDrying, the organic phase pressure steaming to give a pale yellow solid 9.3g. |
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