Structure of 932-32-1
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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. : | 932-32-1 |
Formula : | C7H8ClN |
M.W : | 141.60 |
SMILES Code : | CNC1=CC=CC=C1Cl |
MDL No. : | MFCD00045170 |
InChI Key : | WGNNILPYHCKCFF-UHFFFAOYSA-N |
Pubchem ID : | 136736 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 9 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.14 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 0.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 40.76 |
TPSA ? Topological Polar Surface Area: Calculated from |
12.03 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.96 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.53 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.19 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.41 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.16 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.25 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.74 |
Solubility | 0.258 mg/ml ; 0.00182 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.43 |
Solubility | 0.527 mg/ml ; 0.00372 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.43 |
Solubility | 0.0531 mg/ml ; 0.000375 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 |
-5.37 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 |
2.0 |
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) |
1.06 |
* 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 |
---|---|---|
42% | To a solution of 2-chloro aniline (26 g, 0.204 mol.) in THF (260 mL) was added butyl lithium (2.5 M, 80 mL, 0.2 mol) at -5O0C. The reaction was stirred at -50C for 0.5 hours then allowed to reach room temperature. After 0.5 hours at room temperature, the mixture was cooled to -500C then iodomethane (12.4 mL, 0.2 mol.) was added. After stirring at -500C for 0.5 hours, the mixture was warmed up to room temperature and stirred for 5 hours. The mixture was poured in saturated NH4CI solution then the aqueous layer was extracted with diethyl ether. The combined organic layers were washed with water then dried on sodium sulphate. After filtration and evaporation to <n="92"/>dryness, the residue was purified by flash column chromatography eluting with EtOAc/petroleum ether: 1/100 to give the title compound as a clear oil (12 g, 42%). 1H NMR (300 MHz, DMSO, ppm) delta: 7.21 (d, 1 H), 7.13 (t, 1 H), 6.50 (m, 2H), 5.45 (bs, 1 H), 2.72 (d, 3H). | |
General procedure: Ureas used in this project were prepared according to reaction equation (1)-(3) and related procedures given below. A 100 mL two-necked flask with a magnetic stir bar was evacuated and backfilled with argon three times. Amine (2 eq) was dissolved in THF. A solution of n-BuLi (2.5 M in hexane, 1.0 eq) was added slowly at -40 C and the resulting mixture was stirred for 15 min at the same temperature. After cooling to -60 C, iodomethane (1.0 eq) was added slowly and the mixture was allowed to warm to rt and stirred for additional 8 h at rt. The mixture was quenched by adding H2O and the organic phase was separated. The aqueous phase was extracted with EtOAc and the combined organic phases were washed with sat. NaHCO3-solution, dried over Na2SO4 and the solvents were evaporated under reduced pressure. After purification by flash chromatography the pure product was obtained. A 100 mL two-necked flask with a magnetic stir bar was evacuated and backfilled with argon three times. Triphosgene (5.0 mmol) and CH2Cl2 (30 mL) were added to the flask. The mixture was cooled at -30 C and dry pyridine (3.0 mL) was slowly added to the flask (Caution: highly toxic phosgene was generated). After stirring for 15 min at -30 C, secondary amine (10 mmol) was slowly added to the mixture. The mixture was warmed to room temperature and stirred for 6 h at room temperature. The reaction mixture was carefully quenched by 1N HCl (10 mL) and was extracted with CH2Cl2 (5 mL x 3). The organic layer was washed with water and brine, then dried over Na2SO4. After the filtration, the solution was concentrated to dryness. The crude product was purified by silica gel column chromatography. Further purification was carried out by recrystallization or distillation under vacuum. MeNH2 methanol solution (33.3%) (1.5 equiv.), acid chloride (1.0 equiv.), Et3N (2.0 equiv.) and CH2Cl2 (0.5 M) were added into a round bottom flask capped with a septum. The mixture was stirred at room temperature. After 2 h, the crude reaction mixture was extracted with CH2Cl2, purified by flash chromatography. |
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