Structure of 5768-39-8
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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. : | 5768-39-8 |
Formula : | C8H6O4 |
M.W : | 166.13 |
SMILES Code : | O=C(C1=C2OCOC2=CC=C1)O |
MDL No. : | MFCD01076411 |
InChI Key : | DBUAYOWCIUQXQW-UHFFFAOYSA-N |
Pubchem ID : | 304832 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H332-H335 |
Precautionary Statements: | P261-P280-P305+P351+P338 |
Num. heavy atoms | 12 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.12 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 4.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 39.46 |
TPSA ? Topological Polar Surface Area: Calculated from |
55.76 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.33 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.26 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.11 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.75 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
1.26 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.14 |
Log S (ESOL):? ESOL: Topological method implemented from |
-1.97 |
Solubility | 1.79 mg/ml ; 0.0108 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.03 |
Solubility | 1.55 mg/ml ; 0.00934 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-1.52 |
Solubility | 5.06 mg/ml ; 0.0305 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 |
-6.42 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 |
1.0 |
Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat |
0.56 |
PAINS? Pan Assay Interference Structures: implemented from |
0.0 alert |
Brenk? Structural Alert: implemented from |
0.0 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) |
2.1 |
* 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 |
---|---|---|
97% | With potassium hydroxide In methanol; water at 20℃; for 3 h; | A solution of methyl benzo[ ][1 ,3]dioxole-4-carboxylate (0.4 g, 2.22 mmol) in methanol (8.0 mL) was treated with 2.0 M aqueous KOH (2.2 mL) and the solution stirred at rt for 3 hours. The mixture was concentrated to ~3 mL volume, diluted with water (5 mL) and acidified to pH ~3 using 2.0 M HCI. The resulting precipitate was removed by filtration, washed with water then diethyl ether and dried in vacuo to give benzo[ ][1 ,3]dioxole-4-carboxylic acid as a beige solid (0.38 g, 97percent).1H NMR (400 MHz, DMSO-d6): δ = 7.28 (dd, J= 8.0, 1.2 Hz, 1H),6.97 (dd, J=8.0, 1.2 Hz, 1H),6.89 (t, J=8.0Hz, 1 H), 6.12 (s, 2H);13C NMR(100 Hz, DMSO-de) 165.5, 148.9, 148.5, 122.9, 121.6, 113.8, 112.5, 102.1. |
61% | at 50℃; for 5 h; | Compound P-2 (500 mg, 2.8 mmol) was weighed and suspended in 5 mL of water. Add 2N NaOH aqueous solution 10mL, Heat to 50°C for about 5 hours, The reaction solution is clear. Pour the reaction solution into ice water, Adjust pH to acidic with 2N dilute HCl There is a solid precipitated, Filtering, Dry powder 280mg, Yield 61percent. Used for the next reaction without purification. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | Stage #1: With water; sodium hydroxide In methanol at 20℃; for 3.5 h; Stage #2: With hydrogenchloride In methanol; water |
To a solution of the compound of the previous step (16 g) in methanol (170 ml) was added a solution of sodium hydroxide (9.9 g) in water (40 ml), and the mixture was stirred at room temperature for 3.5 hr. The reaction solution was acidified with concentrated hydrochloric acid, and the mixture was concentrated. The resulting precipitate was collected by filtration to give the title compound (13 g, 95percent). NMR(300MHz, CDCl3)δ:6.14(2H, s), 6.90(1H, t, J=7.8Hz), 7.03(1H, dd, J=7.5, 1.2Hz), 7.46(1H, dd, J=8.1, 1.2Hz). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
96% | With dihydrogen peroxide; potassium carbonate In methanol; water | 2,3-(methylenedioxy)benzoic acid A solution of 2,3-(methylenedioxy)benzaldehyde (160mg, 1.06mmol), potassium carbonate (960 mg, 6.9 mmol) and 2.4mL of hydrogen peroxide (30-32 wt.percent solution in water) in 10 mL of methanol was stirred for 16 hours at room temperature. The mixture was washed with diethyl ether. The water layer was acidified with 1 N aq. HCl to pH>1, then extracted with ethyl acetate. The organic layer was dried over MgSO4, then concentrated to give the desired product (170mg, 96percent). EI-MS (m/z) 164.8 (M-). |
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