Structure of 85953-29-3
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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. : | 85953-29-3 |
Formula : | C8H6ClFO2 |
M.W : | 188.58 |
SMILES Code : | C1=C(C(=CC(=C1)F)Cl)C(OC)=O |
MDL No. : | MFCD00173937 |
Boiling Point : | No data available |
InChI Key : | YZDLPZNWBRBZMZ-UHFFFAOYSA-N |
Pubchem ID : | 2763551 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H319 |
Precautionary Statements: | P305+P351+P338 |
Num. heavy atoms | 12 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.12 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 3.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 42.69 |
TPSA ? Topological Polar Surface Area: Calculated from |
26.3 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.2 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
3.53 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.69 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.94 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.75 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.82 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.47 |
Solubility | 0.0637 mg/ml ; 0.000338 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.77 |
Solubility | 0.0323 mg/ml ; 0.000171 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.37 |
Solubility | 0.0803 mg/ml ; 0.000426 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 |
-4.94 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<2.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
1.62 |
* 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 |
---|---|---|
65% | With potassium carbonate; In 1-methyl-pyrrolidin-2-one; at 120℃; for 5.0h; | A mixture of <strong>[85953-29-3]2-chloro-4-fluoro-benzoic acid methyl ester</strong> (3.51 g, 18.6 mmol), morpholine (1.95 mL, 22.3 mmol) and potassium carbonate (5.12 g, 37.1 mmol) in N-methylpyrrolidinone (20 mL) was stirred at 120C for 5h. The reaction was cooled, diluted with ethyl acetate and filtered through Celite. The filtrate was washed four times with water, once with brine, was dried (sodium sulfate) and evaporated. Purification by flash chromatography (SiO2) eluted with 2:8 ethyl acetate : hexanes to provid 2-chloro-4-morpholin-4-yl-benzoic acid methyl ester (3.08 g, 65% yield) as a white solid. . 1H-NMR (CDCl3, 500 MHz) 7.79 (d, 1H), 6.81 (d, 1H), 6.67 (dd, 1H), 3.81 (s, 3H), 3.78 (m, 4H), 3.20 (m, 4H) ppm; MS (FIA) 256.1 (M+H); HPLC (Method A) 3.275 min. |
With potassium carbonate; In 1-methyl-pyrrolidin-2-one; at 120℃; | General procedure: The arylfluoride substrate (26-A) (1 eq.) was diluted in NMP (1 ml.,/ 1.32 mmol). Cyclic amine (1.1 eq.) and potassium carbonate (2 eq.) were added and the mixture was stirred at 120 C overnight. The reaction mixture was allowed to cool to room temperature and was diluted with water. The crude mixture was extracted with ethyl acetate (x3) and the combined organics were washed with water (x2). Organics were dried over magnesium sulfate, filtered and concentrated to dryness. The product was purified by silica gel chromatography (0-50% ethyl acetate in hexanes). (2-Chloro-4-mophiholinophenyl)(4-(((3R,6S)-6-(hydroxymethyl)tetrahydro-2H- pyran-3-yl)amino)-7H-pyrrolo[2,3-^pyrimidin-5~yl)methanone was synthesized according to General Scheme 9, using ((2S,5R)-5-aminotetrahydro-2H-pyran-2-yl)methanol. lH NMR (DMSG~i 400 mHz): delta 12.61 (s, 3 I I ): 8.65 (d; J = 6.98 Hz, 1 1 1 ): 8.23 (s; 1 I I ): 7.50 (s; 1 H); 7,43 (d; J - 8,54 Hz; 1 I I ). 7.07 (s; 1 H); 6,96 id; J - 8,68 Hz, 1 H); 4.65 (t; J = 5.29 Hz; 1 Ft), 4.10-4.15 Cm; 2 H); 3.73-3.75 (m; 4 H); 3.38-3.43 (m; 3 H); 3.26-3.27 (m; 4 H); 3.11 (t; J = 1 .29 H/; 1 H); 2.15-2.20 (m; 1 H); 1 .76-1 .79 (m; 1 FI), 1 ,49-1 ,60 (m; 1 H); 1.33-1.43 (m; 1 H). LCMS | Mu Pi Gamma : 472. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
7.5%; 56% | With potassium hydride; In DMF (N,N-dimethyl-formamide); at 130℃; | Under anhydrous conditions a stirred suspension of hexane washed potassium hydride (0.424 g, 10.6 mmol) in 5 mL of dimethylformamide was treated in one portion with 3-methyl pyrazole (0.85 mL, 10.6 mmol). After the gas evolution ceased, <strong>[85953-29-3]2-chloro-4-fluorobenzoic acid methyl ester</strong> (2.0 g, 10.6 mmol) was added to the clear solution. The mixture was heated at 130C for 15 minutes, cooled, and partitioned between ethyl acetate and brine. The organic layer was washed with water and brine, and dried over sodium sulfate. Removal of solvent afforded 2.2 g of a yellow oil consisting of a mixture of 3-methyl and 5-methylpyrazole regioisomers. In addition, about 20% of the acid derived from hydrolysis of the ester was detected by analysis of the NMR spectrum of the crude product. The desired 3-methylpyrazole regioisomer was separated from the 5-methyl isomer of Example 22 by flash chromatography (on silica Merck-60, dichloromethane-hexane 2:1) and was isolated as a white solid (1.55 g, 56%). NMR (DMSO-d6, 400 MHz): delta 2.264 (s, 3H, CCH3), 3.845 (s, 3H, OCH3), 6.40 (d, 1H), 7.865 (dd, 1H), 7.93 (d, 1H), 8.00 (s, 1H), 8.535 (d, 1H). MS (EI, m/z): 250/252 [M]+, 219; The title compound was prepared as described in Example 21, Step A and separated from the 3-methylpyrazole isomer of Example 21 by flash chromatography (on silica Merck-60, eluant: dichloromethane). It was obtained as a white solid (0.20 g, 7.5 %). NMR (DMSO-d6, 400 Mhz): delta 2.425 (s, 3H, CCH3), 3.875 (s, 3H, OCH3), 6.33 (s, 1H), 7.65 (m, 2H), 7.79 (s, 1H), 7.95 (d, 1H). MS (EI, m/z): 250/252 [M]+, 219 |
REFERENCE EXAMPLE 96 2-Chloro-4-(3-methyl-1H-pyrazol-1-yl)-benzoic acid methyl ester and 2-chloro-4-(5-methyl-1H-pyrazol-1-yl)-benzoic acid methyl ester A suspension of hexane washed potassium hydride (0.424 g) in dimethylformamide (5 ml) was treated in one portion with 3-methyl pyrazole (0.85 ml) while stirring.. After the gas evolution ceased, <strong>[85953-29-3]2-chloro-4-fluorobenzoic acid methyl ester</strong> (2.0 g, 10.6) was added to the clear solution and heated at 130C for 15 minutes.. The reaction mixture was cooled to room temperature and partitioned between ethyl acetate and brine.. The organic phase was washed with water, brine, and dried over anhydrous sodium sulfate.. Removal of solvent in vacuo afforded 2.2 g of a yellow oil. (Note: 20% hydrolysis of the ester was detected by analysis of the NMR spectrum of the crude product).. The desired regioisomer 2-chloro-4-(3-methyl-1H-pyrazol-1-yl)-benzoic acid methyl ester was isolated from the other isomer (described below) by flash column chromatography on silica gel (Merck 60) eluding with dichloromethane-hexane 2:1) to give 1.55 g of the title compound as a colorless solid. MS (EI m/z: 250/252 (M)+. The 5-regioisomer, namely 2-chloro-4-(5-methyl-1H-pyrazol-1-yl)-benzoic acid methyl ester was isolated from the above flash column chromatography on silica gel (Merck 60) by further eluding with dichloromethane-hexane 2:1 to give 0.20 g of the product as a colorless solid. MS (EI), m/z: 250/252 (M)+. | ||
A suspension of hexane washed potassium hydride (0.424 g) in dimethylformamide (5 ml) was treated in one portion with 3-methyl pyrazole (0.85 ml) while stirring. After the gas evolution ceased, <strong>[85953-29-3]2-chloro-4-fluorobenzoic acid methyl ester</strong> (2.0 g, 10.6) was added to the clear solution and heated at 130 C. for 15 minutes. The reaction mixture was cooled to room temperature and partitioned between ethyl acetate and brine. The organic phase was washed with water, brine,. and dried over anhydrous sodium sulfate. Removal of solvent in vacuo afforded 2.2 g of a yellow oil. (Note: 20% hydrolysis of the ester was detected by analysis of the NMR spectrum of the crude product). The desired regioisomer 2-chloro-4-(3-methyl-1H-pyrazol-1-yl)-benzoic acid methyl ester was isolated from the other isomer (described below) by flash column chromatography on silica gel (Merck 60) eluting with dichloromethane-hexane 2:1) to give 1.55 g of the title compound as a colorless solid. MS (EI m/z: 250/252 (M)+. [00283] The 5-regioisomer, namely 2-chloro-4-(5-methyl-1H-pyrazol-1-yl)-benzoic acid methyl ester was isolated from the above flash column chromatography on silica gel (Merck 60) by further eluting with dichloromethane-hexane 2:1 to give 0.20 g of the product as a colorless solid. MS (EI), m/z: 250/252 (M)+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With dimethyl sulfoxide; In water; ethyl acetate; | Intermediate 34: Methyl 2-chloro-4-(piperazin-1-yl)-benzoate Dimethyl sulfoxide (15 ml) was added to 4.5 g of piperazine to prepare a suspension, and 3.3 g of <strong>[85953-29-3]methyl 2-chloro-4-fluorobenzoate</strong> was added to the suspension. The mixture was stirred at 80 C. for one hr. The temperature of the system was then returned to room temperature. Ethyl acetate (1,000 ml) and 500 ml of water were added thereto. The organic layer was separated, dried over anhydrous magnesium sulfate, and concentrated under the reduced pressure to prepare 3.7 g of the title compound. Physicochemical Properties of Intermediate 34 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With potassium carbonate; | a) 2-Chloro-4-dimethylamino-benzoic acid methyl ester (1a) To a stirred solution of 4,00g (20.6 mmol) <strong>[85953-29-3]2-chloro-4-fluoro-benzoic acid methyl ester</strong> (Apollo) and 60 ml dimethylsulphoxid are added 2.03 g (24,7 mmol) dimethylamine hydrochloride and 5,97 g (43.2 mmol) potassium carbonate. The reaction mixture is stirred over night and is reduced with high vacuum rotation evaporator at 65C. The residue is diluted with dichloromethane, washed twice with water. The combined water phases are extracted with dichloromethane. The combined dichloromethane phases are washed with diluted sodium hydrogen carbonate solution, dried with sodium sulphate and concentrated. The oily crude product 1a is obtained in 99% yield (4,36 g, 20.4 mmol) and is used for the next step without purification. MS-ESI: 213/215 (M+ +1, 64/48). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With potassium carbonate; In dimethyl sulfoxide; | To a stirred solution of 4,00g (20.6 mmol) <strong>[85953-29-3]2-chloro-4-fluoro-benzoic acid methyl ester</strong> (Apollo) and 60 ml dimethylsulphoxid are added 2.03 g (24,7 mmol) dimethylamine hydrochloride and 5,97 g (43.2 mmol) potassium carbonate. The reaction mixture is stirred over night and is reduced with high vacuum rotation evaporator at 65C. The residue is diluted with dichloromethane, washed twice with water. The combined water phases are extracted with dichloromethane. The combined dichloromethane phases are washed with diluted sodium hydrogen carbonate solution, dried with sodium sulphate and concentrated. The oily crude product 2.3.3.a is obtained in 99% yield (4,36 g, 20.4 mmol) and is used for the next step without purification. MS-ESI: 213/215 (M+ +1, 64 / 48). Elementary analysis: Calculated: C 56.21% H 5.66% N 6.56% Determined: C 56.39% H 5,67% N 6.54% |
99% | With potassium carbonate; In dimethyl sulfoxide; | Example 1a) 2-Chloro-4-dimethylamino-benzoic acid methyl ester (1a)To a stirred solution of 4,0Og (20.6 mmol) <strong>[85953-29-3]2-chloro-4-fluoro-benzoic acid methyl ester</strong> (Apollo) and 60 ml dimethylsulphoxid were added 2.03 g (24,7 mmol) dimethylamine hydrochloride and 5,97 g (43.2 mmol) potassium carbonate. The reaction mixture was stirred over night and is reduced with high vacuum rotation evaporator at 65C. The residue was diluted with dichloromethane, washed twice with water. The combined water phases were extracted with dichloromethane. The combined dichloromethane phases were washed with diluted sodium hydrogen carbonate solution, dried with sodium sulphate and concentrated. The oily crude product 1a was obtained in 99 % yield (4,36 g,20.4 mmol) and was used for the next step without purification.MS-ESI: 213 / 215 (M+ +1 , 64 / 48). Elementary analysis:Calculated: C 56.21% H 5.66% N 6.56% Determined: C 56.39% H 5,67% N 6.54% |
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