Structure of 1026201-45-5
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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. : | 1026201-45-5 |
Formula : | C8H5BrN2O2 |
M.W : | 241.04 |
SMILES Code : | OC(=O)C1=CN2C=CC=C(Br)C2=N1 |
MDL No. : | MFCD12195903 |
InChI Key : | OREYKECANVXONJ-UHFFFAOYSA-N |
Pubchem ID : | 46942157 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 13 |
Num. arom. heavy atoms | 9 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 3.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 49.85 |
TPSA ? Topological Polar Surface Area: Calculated from |
54.6 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.36 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.31 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.79 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.05 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
0.96 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.5 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.24 |
Solubility | 0.14 mg/ml ; 0.000581 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.09 |
Solubility | 0.194 mg/ml ; 0.000804 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.32 |
Solubility | 1.16 mg/ml ; 0.00481 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 |
-6.13 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 |
0.56 |
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) |
1.8 |
* 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 |
---|---|---|
88% | Intermediate 37 (2.02 g, 7.4 mmol) was dissolved in a mixture of dioxane/ H2O (16 ml/4 ml) and the mixture was cooled on an ice-bath. LiOH (355 mg, 14.8 mmol) was added and the resulting mixture was stirred for 20 h at r.t. The volatiles were evaporated under reduced pressure. The mixture was cooled using an ice-bath, and was acidified with an aq. IN HCl solution until pH 4. The precipitate was filtered off, washed with cold water (10 ml), and dried in vacuo. Yield 1.5 g of intermediate 39 (88 %). | |
Intermediate C3: 8-Bromoimidazori,2-alphalpyridine-2-carboxylic acidTo a solution of 2-amino-3-bromopyridine (7.4 g, 0.0428 mol) in dimethoxyethane (70 mL) under N2, ethylbromopyruvate (9.28 g, 0.0428 mol) was added, and the mixture stirred at RT for 18 hours. The resulting solids were filtered and washed with Et2O, then re-suspended in absolute EtOH (40 mL) and refluxed for 2 hours. The reaction was concentrated to remove EtOH, diluted with K2CO3(aq.) and extracted with DCM (2 x 100 mL). The DCM extracts were dried over Na2SO4, filtered and concentrated to give a foam (9.2 g). The EPO <DP n="53"/>foam was dissolved in THF (230 rnL) and treated with IN NaOH (170 mL, 0.170 mol) at 40C for 2 hours. The reaction was cooled to RT, diluted with IN HCl (170 mL, 0.170 mol) and concentrated to remove the THF (pH of mixture = 3.0). The mixture was cooled to 0C, aged for 30 minutes and filtered. The cake was washed with H2O (40 mL) and dried under vacuum to give 7.94 g. LRMS (M+H)+ 241. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
57% | A suspension of intermediate 39 (322 mg, 1.34 mmol) and carbonyldiimidazole (238 mg, 1.47 mmol) in THF (11 ml) was stirred at r.t. for 2 h. DIPEA (0.233 ml, 1.34 mmol) was added and the resulting mixture was stirred for 30 min. at r.t. Then DMF (2 ml) was added to the suspension and the mixture was stirred for 60 h at r.t. The r.m. was cooled to 0 0C and O,N-dimethyl-hydroxylamine (143 mg, 1.47 mmol) was added. The mixture was stirred for 20 h at r.t. The solvents were evaporated under reduced pressure. The residue was dissolved in DCM and washed 3 times with H2O. The organic layer was dried (MgSO4), filtered and evaporated under reduced pressure. The residue was purified via flash column chromatography over silicagel (eluent: DCM/MeOH(NH3) from 100/0 to 99/1). The product fractions were collected and the solvent was evaporated in vacuo. Yield: 216 mg of intermediate 42 (57 %). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With thionyl chloride;Reflux; Cooling with ice; | SOCl2 (15 ml, 206 mmol) was added slowly to intermediate 39 (1.6 g, 6.6 mmol) while cooling on ice. The resulting solution was heated to reflux temperature for 4 h, and was then cooled to r.t. and concentrated in vacuo. The residue was triturated with DIPE and finally the product was dried. Yield: 1.7 g of intermediate 40 (99 %). |
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