Structure of 1798-82-9
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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. : | 1798-82-9 |
Formula : | C10H10O2 |
M.W : | 162.19 |
SMILES Code : | O=C(O)C1=CC=C(C2CC2)C=C1 |
MDL No. : | MFCD01069076 |
InChI Key : | GJCRWEAWEDESNZ-UHFFFAOYSA-N |
Pubchem ID : | 282064 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 12 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.3 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 45.87 |
TPSA ? Topological Polar Surface Area: Calculated from |
37.3 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.78 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.82 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.2 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.16 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.27 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.25 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.86 |
Solubility | 0.224 mg/ml ; 0.00138 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.26 |
Solubility | 0.089 mg/ml ; 0.000549 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.36 |
Solubility | 0.708 mg/ml ; 0.00437 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) |
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 |
-5.29 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 |
0.56 |
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) |
1.03 |
* 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 |
---|---|---|
With oxalyl dichloride; In dichloromethane; | (b) 4-Acetylphenyl 4-cyclopropylbenzoate (Hf).; Oxalyl chloride(2.92 g, 22.2 mmol) was added dropwise to a solution of 4- cyclopropyl-benzoic acid (1.20 g, 7.4 mmol) in dichloromethane. The solution was allowed to stir overnight and the solvent was removed under reduced pressure. The acid chloride was then carried on crude.4-Hydroxyacetophenone (1.01 g, 7.4 mmol) was added to a slurry of NaH (60% in mineral oil, 296 mg, 7.4 mmol) in dichloromethane and allowed to stir for 10 min. 4-Cyclopropyl-benzoyl chloride (1.33 g, 7.4 mmol) was then added and the solution was allowed to stir for 3h. The reaction was then quenched with water and extracted three times with dichloromethane. The combined organic layers were then dried over magnesium sulfate, filtered and evaporated under reduced pressure to yield 1.83 g (88% over two steps). <n="63"/>1HNMR (CDCl3): delta 8.07 (t, J=8.7 Hz, 4H), 7.31 (d, J=8.4 Hz, 2H), 7.17 (d, J=8.4 Hz, 2H), 2.62 (s, 3H), 1.98 (sept, J=5.1 Hz, IH), 1.10 (m, 2H), 0.82 (m, 2H). 13CNMR (CDCl3): delta 196.91, 164.60, 154.77, 151.36, 134.61, 130.30, 129.94, 125.91, 125.55, 121.95, 26.62, 15.85, 10.61. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; triethylamine; In N,N-dimethyl-formamide; at 20℃; for 12h;Inert atmosphere; | Step B: 5B (25.0 mg, 1.0 equivalent) and <strong>[1798-82-9]4-cyclopropylbenzoic acid</strong> (1.1 equivalent) were dissolved in DMF, followed by addition of HOBt (1.0 equivalent), EDC (1.0 equivalent), Et3N (2.0 equivalents). The mixture was stirred for 12 h at room temperature. The crude mixture was filtered and purified by LCMS to give the titled compound 5 as a white solid: 1H NMR (400 MHz, DMSO-d6) delta ppm 0.77-0.87 (m, 2H) 1.04-1.13 (m, 2H) 2.01-2.10 (m, 1H) 7.28 (d, J=8.34 Hz, 2H) 7.68 (t, J=7.58 Hz, 1H) 7.82-7.91 (m, 3H) 7.99 (d, J=8.34 Hz, 2H) 8.47 (s, 1H) 9.03 (s, 1H); ESI-MS: m/z 362.0 (M+H)+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
42% | In diethylene glycol dimethyl ether; for 36h;Reflux; | Example 8. 4-(2-Guanidinothiazol-4-yl)phenyl 4-cyclopropylbenzoate (13f) (a) 4-Cyclopropylbenzoic acid.; Coulmalic acid (2.63 g, 18.74 mmol) and ethynylcyclopropane (1.24 g, 18.74 mmol) were combined in diglyme and brought to reflux for 36h. The reaction was then cooled and the solvent was removed under reduced pressure. The resultant slurry was recyrstallized in EtOH to yield 1.26 g (42%). 1HNMR (DMSO): delta 7.81 (d, J=8.4 Hz, 2H), 7.16 (d, J=8.4 Hz, 2H), 1.97 (sept, J=5.1 Hz, IH), 1.01 (m, 2H), 0.74 (m, 2H). 13CNMR (DMSO): delta 167.24, 149.51, 129.32, 127.65, 125.19, 15.25, 10.37. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
To a solution of <strong>[1798-82-9]4-cyclopropyl benzoic acid</strong> (0.58 g, 3.57 mmol) in toluene (2 ml), thionyl chloride (1.29 ml, 17.87 mmol) was added. The mixture was stirred at 80C for 2 hours and afterwards evaporated under reduced pressure. The residue was dissolved together with Intermediate 20 (1.0 g, 2.36 mmol) in pyridine (5 ml) and the mixture was stirred at room temperature for 2 hours. Pyridine was evaporated under reduced pressure and the residue was dissolved in DCM and washed with saturated sodium hydrogen carbonate solution and brine (2x). The residue was purified by flash chromatography on silica (cyclohexane to EtOAc) to afford the compound Intermediate 21 as a beige solid.MS (ESI): 568 [M+H]+ , 1H-NMR (DMSO-d6): delta (ppm) 12.43 (br s, 1 H), 9.93 (s, 1 NH) 8.82 (s, 1 H), 7.89 (d, 2H), 7.46 (m, 1 H), 7.24 (d, 2H), 7.18 (m, 1 H), 6.57 (br s, 1 H), 6.33 (s, 1 H), 4.06 (br s, 2H), 3.52 (m, 2H), 2.48 (m, 2H), 2.10 (s, 3H), 2.01 (m, 1 H), 1.42 (s, 9H), 1.02 (m, 2H), 0.76 (m, 2H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
32% | Example 138 [3-({3-[5-(4-Cyclopropylphenyl)-1,2,4-oxadiazol-3-yl]-5-methyl-1H-pyrazol-1-yl}methyl)phenyl]-(4-methylpiperazin-1-yl)methanone 68 mg (0.421 mmol) of <strong>[1798-82-9]4-cyclopropylbenzoic acid</strong> were initially introduced into 2 ml of methylene chloride, one drop of DMF was added and the mixture was cooled to 0 C. 160 mg (1.26 mmol) of oxalyl chloride were then added at this temperature and the mixture was subsequently stirred at 40 C. for 20 min. 5 ml of methylene chloride were then added, the mixture was concentrated and the residue was dried in vacuo. The residue was taken up in 3 ml of methylene chloride and the mixture was added to a mixture of 150 mg (0.421 mmol) of the compound from Example 148A and 140 mul of triethylamine in 5 ml of methylene chloride at RT. The mixture was stirred at RT for 3 h and concentrated again and the residue was dried in vacuo. The residue was then dissolved in 2 ml of dry DMSO and the solution was heated at 140 C. in a microwave apparatus (CEM Discover, initial irradiation power 250 W) for 1 h. After cooling to RT, 60 ml of water were added and the mixture was extracted three times with 30 ml of ethyl acetate each time. The combined ethyl acetate phases were washed once with saturated sodium chloride solution, dried over magnesium sulfate, filtered and concentrated. The residue was taken up in acetonitrile and purified by means of preparative HPLC (method O). The combined product fractions were concentrated to a residual volume of aqueous phase, saturated aqueous sodium bicarbonate solution was added and the mixture was extracted three times with approx. 30 ml of methylene chloride each time. The combined methylene chloride phases were washed once with water, dried over magnesium sulfate, filtered and concentrated. After the residue had been dried in vacuo, 65 mg (32% of th.) of the title compound were obtained. 1H-NMR (400 MHz, CDCl3, delta/ppm): 8.13 (d, 2H), 7.44-7.30 (m, 2H), 7.23-7.15 (m, 3H), 7.12 (s, 1H), 6.74 (s, 1H), 5.47 (s, 2H), 3.82-3.58 (m, 4H), 3.45-3.28 (s, broad, 2H), 2.54-2.34 (m, 2H), 2.28 (s, 3H), 2.22 (s, 3H), 2.04-1.90 (m, 1H), 1.14-1.01 (m, 2H), 0.85-0.74 (m, 2H). LC/MS (method I, ESIpos): Rt=0.91 min, m/z=483 [M+H]+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | With lithium aluminium tetrahydride; In tetrahydrofuran; at 0 - 20℃; for 3h;Inert atmosphere; | [00202] To a solution of 85 (100 mg, 0.617 mmol) in anhydrous THF (4 mL) was added LiA1H4 (70 mg, 1.850 mmol) in portions at 0 C under N2. The mixture was stirred at rt for 3h. The mixture was quenched successively with water (0.07 mL) and 10% aqueous NaOH solution (0.07 mL) at 0 C. The mixture was filtered and the filtrate was concentrated under reduced pressure. Water (15 mL) and ethyl acetate (15 mL) were added to the mixture. After partition, the aqueous layer was extracted with ethyl acetate (3 X 15 mL). The combined organic layers were washed with brine (25 mL), dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure. The residue was purified by preparative TLC with petroleum ether / ethyl acetate 5/1 to afford 86 (80 mg, 88%) as a colorless oil. ?H NMR (CDC13): 5 7.28 (d, J= 8.0 Hz, 2H), 7.10 (d, J= 8.0 Hz, 2H), 4.66 (s, 2H), 1.96-1.91 (m, 1H), 1.0 1-0.97 (m, 2H), 0.73-0.7 1 (m, 2H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
23% | With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine; In N,N-dimethyl-formamide; at 20℃; for 16h; | 5-(3-amino-5-methylpiperidin-1-yl)-3-[(1-methyl-1H-pyrazol-4-yl)amino]pyrazine-2- carboxamide (0.771 mmol) and <strong>[1798-82-9]4-cyclopropyl-benzoic acid</strong> (150 mg, 0.925 mmol) were dissolved in DMF (9 mL), then DIPEA (0.40 mL, 2.31 mmol) and TBTU (309 mg, 0.964 mmol) were added and the mixture was stirred at room temperature 16 h. Water was added and the mixture was extracted with ethyl acetate (three times). The collected organic layers were dried over Na2SO4, filtered and concentrated. The crude obtained was purified by silica flash chromatography with 0% to 6% of MeOH in DCM to give 291 mg of pure target product as diastereoisomeric mixture that was further purified by chiral-LC to afford 5-[(3R,5S)-3-(4- cyclopropylbenzamido)-5-methylpiperidin-1-yl]-3-[(1-methyl-1H-pyrazol-4-yl)amino]pyrazine- 2-carboxamide (83 mg, 23% yield) as a yellow solid (D-30). MS found for C25H30N8O2 as (M+H)+ 475.1. 1H NMR (500 MHz, DMSO) G 10.86 (s, 1 H), 8.33 (d, J=7.83 Hz, 1 H), 8.02 (s, 1 H), 7.80 (d, J=8.31 Hz, 2 H), 7.72 - 7.59 (m, 2 H), 7.48 (s, 1 H), 7.29 (br. s., 1 H), 7.17 (d, J=8.31 Hz, 2 H), 4.88 - 4.66 (m, 1 H), 4.32 (d, J=11.74 Hz, 1 H), 4.01 - 3.85 (m, 1 H), 3.74 (s, 3 H), 2.68 (t, J=11.74 Hz, 1 H), 2.57 (t, J=12.23 Hz, 1 H), 2.05 - 1.91 (m, 2 H), 1.82 - 1.66 (m, 1 H), 1.42 (q, J=12.23 Hz, 1 H), 1.05 - 0.90 (m, 5 H), 0.79 - 0.70 (m, 2 H). |
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