Structure of 122833-04-9
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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. : | 122833-04-9 |
Formula : | C12H19N3O |
M.W : | 221.30 |
SMILES Code : | NC1=CC=C(N2CCN(C)CC2)C=C1OC |
MDL No. : | MFCD11848954 |
InChI Key : | LUYPGLRYFIVYTH-UHFFFAOYSA-N |
Pubchem ID : | 20136253 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 16 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.5 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 73.6 |
TPSA ? Topological Polar Surface Area: Calculated from |
41.73 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.27 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.15 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
0.28 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.82 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
0.78 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.06 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.08 |
Solubility | 1.83 mg/ml ; 0.00828 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-1.62 |
Solubility | 5.3 mg/ml ; 0.0239 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.34 |
Solubility | 1.0 mg/ml ; 0.00454 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 |
No |
P-gp substrate? P-glycoprotein substrate: SVM model built on 1033 molecules (training set) |
Yes |
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 |
-6.83 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 |
1.0 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) |
1.96 |
* 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 |
---|---|---|
81% | 5-chloro-N-(2-methoxy-4-(4-methyIpiperazin-l-yl)phenyl)-4-(3-nitrophenoxy)pyrimidin- 2-amine A flask was charged with <strong>[76661-24-0]2,5-dichloro-4-(3-nitrophenoxy)pyrimidine</strong> (1.56 g, 5.45 mmol), 2-methoxy-4-(4-methylpiperazin-l-yl)benzenamine (1.21 g, 5.45 mmol), TFA ( 0.42 mL, 5.45 mmol uL), 2-BuOH (30 mL). The slurry was heated to 1000C for 2h. The reaction mixture was allowed to cool to room temperature and, was neutralized with a saturated aqueous sodium bicarbonate solution. The aqueous mixture was then extracted with ethyl acetate (50 mL) three times. The crude product was purified using flash chromatography with 30: 1 :0.3 (v/v/v) dichloromethane-methanol-triethylamine to afford 2.07 g brown solid (81%). 1H NMR 600 MHz (DMSO d6) δ 8.38 (s, IH), 8.28 (s, IH), 8.16 (m, 2H), 7.76 (m, 2H), 7.08 (s, I H), 6.46 (m, IH), 6.14 (m, I H), 3.72 (s, 3H), 3.33 (m, 4H), 3.05 (m, 4H), 2.28 (s, 3H); MS m/z: 471.91 (M+1). | |
75% | With trifluoroacetic acid; In iso-butanol; at 100℃; for 4.0h; | General procedure: To a mixture of pyrimidine analogues 34, 35 or 36 (1.56 g, 5.45 mmol), amino piperazine 38 (1.21 g, 5.45 mmol) and anhydrous 2-butanol (30 mL) was added trifluoroacetic acid (0.42 mL, 5.45 mmol). The reaction mixture was heated to 100 C and stirred for 4 h. Subsequently, it was cooled to room temperature and was basified (pH 8.0) by dropwise addition of saturated aqueous sodium bicarbonate solution. The 2-butanol was removed in vacuo to obtain a thick slurry which was dissolved in ethyl acetate (50 mL). The organic layer was washed with water (3 x 20 mL) and brine (1 x 20 mL). The combined organic extracts were dried over anhydrous magnesium sulfate, filtered and concentrated in vacuo. The crude product was purified by flash silica gel chromatography using dichloromethane-methanol (25:1, v/v) as eluent to afford the nitro analogues as brown solids in yields ranging from 72 - 79%. |
72% | With trifluoroacetic acid; In iso-butanol; for 5.0h;Reflux; | To a solution of <strong>[76661-24-0]2,5-dichloro-4-(3-nitrophenoxy)pyrimidine</strong> (0.9 g, 3.16 mmol), 2-methoxy-4-(4-methylpiperazin-1-yl)benzenamine (0.7 g, 3.16 mmol), in 2-butanol (20 mL) was added trifluoroacetic acid (0.25 mL, 3.16 mmol). The resultant slurry was refluxed for 5 hours. The reaction mixture was allowed to cool to room temperature and then was neutralized with a saturated aqueous sodium bicarbonate solution. The aqueous mixture was then extracted with ethyl acetate (3*500 mL) and the combined organic extracts were dried over anhydrous Na2SO4, filtered and concentrated in vacuo to furnish an oil which was purified by column chromatography on silica gel (100-200 mesh) eluting with 2-3% (v/v) methanol in dichloromethane to produce as pale brown solid (1 g, yield 72%). 1H NMR 400 MHz (DMSO-d6) δ 8.37 (s, 1H), 8.29 (s, 1H), 8.17-8.16 (m, 2H), 7.75-7.74 (m, 2H), 7.08-7.06 (m, 1H), 6.48 (s, 1H), 6.14 (s, br, 1H), 3.69 (s, 3H), 3.03 (t, J=4.8 Hz, 4H), 2.46 (t, J=4.8 Hz, 4H), 2.23 (s, 3H); LCMS m/e: 471 [M+1]+. |
65% | With trifluoroacetic acid; In butan-1-ol; at 100℃; for 18.0h; | To a solution of compound 8 (1.33 g, 4.66 mmol) and compound11 (1.03 g, 4.66 mmol) in anhydrous 1-butanol (20 mL), trifluoroacetic acid (0.36 mL, 4.66 mmol) was added. The reaction mixturewas heated to 100 C and stirred for 18 h. Subsequently, it wascooled to room temperature and saturated aqueous sodium bicarbonatesolution was added drop wise until basic pH was obtained.The volatiles were removed in vacuo and the obtained thick slurrywas dissolved in DCM (50 mL). The organic layer was washed withwater (20 mL), brine (20 mL), dried over anhydrous sodium sulfate,filtered and concentrated in vacuo. The crude was purified by flashsilica gel chromatography using DCM/MeOH (96:4, v/v) as eluentto afford 1.42 g of the desired product 12 (3.02 mmol, 65%) as white solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
25% | With toluene-4-sulfonic acid; In Isopropyl acetate; at 80℃; | Ethyl 5-chloro-l ,3,4-thiadiazole-2 -carboxylate (3, 3 g, 15.7 mmol), 2-methoxy-4-(4-methyl piperazin-l -yl)aniline (4, 3.4 g, 15.7 mmol) and p-TSA (3 g, 15.7 mmol) were taken up in IPA (25 mL) and the resultant mixture was stirred at 80 C overnight. The progress of the reaction was monitored by TLC. After completion of the reaction, the solvent was evaporated from the reaction mixture under reduced pressure, and the resultant residue was basified using aq. NaHC03 solution and extracted with ethyl acetate. The organic extract was dried over anhydrous sodium sulfate and evaporated under reduced pressure. The resultant crude product was purified by columnchromatography using 5% MeOH-DCM to afford ethyl 5-((2-methoxy-4-(4-methylpiperazin-l - yl)phenyl)amino)-l ,3,4-thiadiazole-2-carboxylate (5, 1 .5 g, 25%). NMR (400 MHz, CDC13): delta 7.90 (bs, 1 H), 7.43 (d, 1 H), 6.59-6.55 (m, 2H), 4.50 (q, 2H), 3.90 (s, 3H), 3.25-3.22 (m, 4H), 2.65- l .60 (m, 4H), 2.40 (s, 3H), 1.42 (t, 3H). |
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