Structure of 491-37-2
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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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Batch number can be found on the product's label following the word 'Batch'.
Search for reports by entering the product batch number.
Batch number can be found on the product's label following the word 'Batch'.
Search for reports by entering the product batch number.
Batch number can be found on the product's label following the word 'Batch'.
Search for reports by entering the product batch number.
Batch number can be found on the product's label following the word 'Batch'.
Search for reports by entering the product batch number.
Batch number can be found on the product's label following the word 'Batch'.
CAS No. : | 491-37-2 |
Formula : | C9H8O2 |
M.W : | 148.16 |
SMILES Code : | O=C1CCOC2=C1C=CC=C2 |
MDL No. : | MFCD00006840 |
InChI Key : | MSTDXOZUKAQDRL-UHFFFAOYSA-N |
Pubchem ID : | 68110 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 11 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.22 |
Num. rotatable bonds | 0 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 41.01 |
TPSA ? Topological Polar Surface Area: Calculated from |
26.3 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.76 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.38 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.65 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.05 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.46 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.66 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.03 |
Solubility | 1.38 mg/ml ; 0.0093 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-1.54 |
Solubility | 4.32 mg/ml ; 0.0291 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.84 |
Solubility | 0.216 mg/ml ; 0.00146 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) |
Yes |
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 |
-6.22 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 |
0.55 |
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) |
1.81 |
* 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 |
---|---|---|
Preparation Example 7 By the reaction and treatment in the same manner as in Preparation Example 5 using 4-chromanone (5.1 g) as a starting material, chroman-4-carboxylic acid (4.1 g) was obtained. melting point: 94.3ØC |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
94% | With trifluoromethanesulfonic acid anhydride; In hexane; dichloromethane; | (34a) Trifluoromethanesulfonic anhydride (1.2 mL, 7.4 mmol)was added drop wise to a stirring solution of chroman-4-one (1.0 g, 6.7 mmol), 2,6-di-t-butyl-4-methyl pyridine (1.59 g, 7.7 mmol) in dichloromethane (40 mL), under nitrogen atmosphere. The reaction was heated to reflux for 2 h, allowed to cool to room temperature and was concentrated in vacuo to give a semi solid residue. This was treated with hexane and the solids were filtered off. The filtrate was concentrated to give 4-[(trifluoromethyl)sulfonyl]-2H-chromene (1.78 g, 94percent) as an orange oil. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogenchloride; In ethanol; isopropyl alcohol; | EXAMPLE I 3-[(4-Chromanylidene)amino]-2-oxazolidinone A 62-g (0.61 mole) portion of <strong>[80-65-9]3-amino-2-oxazolidinone</strong> was charged in a 500-ml, 3-necked flask equipped with a thermometer, stirrer and reflux condenser, and treated successively with 92 ml of H2 O, 8 ml of 10% HCl and 42 g (0.28 mole) of 4-chromanone in 200 ml ethanol. The reaction mixture was refluxed for 36 hr, stripped in vacuo to one-half volume and cooled in the refrigerator overnight. The slurry was filtered and the white crystalline solid washed with 50 ml of isopropanol then 200 ml of ether and dried. M.p. 105-108. Yield: 44 g (68%). The filtrate was extracted with 250 ml of CHCl3, and the CHCl3 extract dried over MgSO4, filtered, and stripped in vacuo. | |
With hydrogenchloride; In ethanol; isopropyl alcohol; | A. 3-[(4-Chromanylidene)amino]-2-oxazolidinone A 62 g (0.61 mole) portion of <strong>[80-65-9]3-amino-2-oxazolidinone</strong> was charged in a 500 ml, 3-necked flask equipped with a thermometer, stirrer and reflux condenser, and treated successively with 92 ml of H2 O, 8 ml of 10% HCl and 42 g (0.28 mole) of 4-chromanone in 200 ml of ethanol. The reaction mixture was refluxed for 36 hrs., stripped in vacuo to one-half volume and cooled in the refrigerator overnight. The slurry was filtered and the white crystalline solid washed with 50 ml of isopropanol then 200 ml of ether and dried; m.p. 105-108. Yield: 44 g (68%). The filtrate was extracted with 250 ml of CHCl3, and the CHCl3 extract dried over MgSO4, filtered and stripped in vacuo. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
74% | 7-Bromo-4-chromanone. Into a round bottom flask kept at 0 C., AlCl3 (0.533 g, 3.99 mmol) and, 5 mL of CH2Cl2 was added. The reaction system was put under nitrogen and stirred for about 7 minutes before adding 10 mL of a CH2Cl2 solution of 4-chromanone (0.296 g, 1.99 mmol). After the reaction mixture was stirred for 10 minutes, 10 mL of Br2 (0.352 g, 2.20 mmol) was added and, the reaction mixture was stirred at room temperature for an hour. At the end of this period of time, the reaction mixture was poured into 30 mL of ice-water and, the product was extracted 3 times from the aqueous phase with EtOAc. The resultant organic phase was washed once with brine and dried under Na2SO4. After the solvent was evaporated, the solid formed was filtered and dried to obtain 0.361 g (1.51 mmol) of the product (93% pure) in a 74% yield. 1H NMR (300 MHz, CDCl3, delta): 7.90 (dd, J=2.6, 0.3 ArH, 1H,), 7.47 (dd, J=8.8, 2.5, Ar, 1H,), 6.82 (dd, J=8.8, 0.2, Ar, 1H), 4.48 (t, J=6.5, C2, 2H), 2.75 (t, J=6.5, C2, 2H). |