Structure of 1240948-77-9
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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. : | 1240948-77-9 |
Formula : | C11H7FN2 |
M.W : | 186.19 |
SMILES Code : | N#CC1=CNC(C2=CC=CC=C2F)=C1 |
MDL No. : | MFCD24619247 |
InChI Key : | ZDEFHFJZEDEKJO-UHFFFAOYSA-N |
Pubchem ID : | 46908592 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302 |
Precautionary Statements: | P280-P305+P351+P338 |
Num. heavy atoms | 14 |
Num. arom. heavy atoms | 11 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 50.9 |
TPSA ? Topological Polar Surface Area: Calculated from |
39.58 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.14 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.19 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
3.11 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.57 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
3.45 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.49 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.89 |
Solubility | 0.24 mg/ml ; 0.00129 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.65 |
Solubility | 0.412 mg/ml ; 0.00221 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-4.49 |
Solubility | 0.00601 mg/ml ; 0.0000323 mol/l |
Class? Solubility class: Log S scale |
Moderately 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 |
-5.88 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<1.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
2.1 |
* 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 |
---|---|---|
14.8%; 38.6% | With water; hydrogen; acetic acid; In tetrahydrofuran; at 45 - 50℃; for 5h; | Example 52 [2-(2-Fluorophenyl)-2-oxoethyl]propanedinitrile (2.00 g, 9.89 mmol), acetic acid (22 ml) and THF (22 ml) were weighed and dissolved (under an argon atmosphere). Then, Raney-nickel (1 ml) and water (2 ml) were weighed and added, and the mixture was purged with hydrogen. This was reacted at 45-50 C. for about 5 hr. Quantification of the filtrate by HPLC gave 5-(2-fluorophenyl)-1H-pyrrole-3-carbonitrile (718 mg, yield 38.6%) and 5-(2-fluorophenyl)-1H-pyrrole-3-carbaldehyde (277 mg, yield 14.8%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
84.4% | With hydrogen; acetic acid; In tetrahydrofuran; water; at 15 - 25℃; for 4h; | In a four-necked flask, 5-(2-fluorophenyl)-1H-pyrrole-3-carbonitrile (10.0 g, 53.71 mmol) and THF (30 mL) were added and dissolved, and acetic acid (50 mL) and water (10 mL) were added. After substitution with nitrogen gas, Raney-nickel (Kawaken Fine Chemicals Co., Ltd., NDHT-90, 5 mL) was added. Then, the mixture was vigorously stirred under a hydrogen atmosphere at inside temperature 15-25 C. for about 4 hr. After substitution with nitrogen gas, Raney-nickel was filtered off and the residue was washed with ethyl acetate (64 mL). Ethyl acetate (36 mL) was added, 8N aqueous sodium hydroxide solution (87 mL) was added to the filtrate at an inside temperature 10-40 C. to adjust the pH to 6.5-7.5, and the mixture was partitioned. The organic layer was washed with 5% aqueous sodium hydrogen carbonate solution (50 mL) and 5% brine (50 mL). To the organic layer was added 5% brine (50 mL), and the mixture was adjusted to pH 3.0-3.5 by adding 6N hydrochloric acid at room temperature, stirred at room temperature for 10 hr, and partitioned. The organic layer was washed with 5% brine (50 mL), and the reaction mixture was concentrated to about 35 g under reduced pressure at not more than 45 C. Furthermore, ethyl acetate (50 mL) was added to the concentrated solution, and the reaction mixture was concentrated to about 35 g under reduced pressure at not more than 45 C. After stirring at room temperature for 1 hr, n-heptane (50 mL) was added dropwise, and the mixture was stirred at the same temperature for 1 hr. Successively, the mixture was stirred at an inside temperature of 0-10 C. for 1 hr. The precipitated crystals were collected by filtration, and washed with n-heptane (20 mL)/ethyl acetate (10 mL) cooled to 5 C. The crystals were dried under reduced pressure at 50 C. until a constant weight was reached to give the title compound (8.6 g, yield 84.4%). 1H-NMR (DMSO-d6, TMS, 500 MHz) delta (ppm): 6.91 (d, J=1.6 Hz, 1H), 7.21-7.31 (m, 3H), 7.75-7.80 (m, 2H), 9.76 (s, 1H), 12.17 (brs, 1H). |
78% | Example 3 5-(2-fluorophenyl)-1H-pyrrole-3-carbaldehyde 5-(2-Fluorophenyl)-1H-pyrrole-3-carbonitrile (5.0 g, 26.9 mmol) and THF (33 ml) were added in a four neck flask, and the mixture was dissolved at the internal temperature of 15-25 C. Acetic acid (55 ml) and water (11 ml) were added. After purging with nitrogen gas, Raney-nickel (Kawaken Fine Chemicals Co., Ltd., NDHT-90, 2.5 ml, wet weight 4 g) was added. Under a hydrogen atmosphere, the mixture was vigorously stirred at the internal temperature of 15-25 C. for about 3 hr. After purging with nitrogen gas, Raney-nickel was filtered off, and washed with ethyl acetate (50 ml). 5 N Aqueous sodium hydroxide solution (about 180 ml) was added to the filtrate at the internal temperature of 10-35 C. to adjust the mixture to pH 7-8 and the mixture was partitioned. The organic layer was washed with 5% aqueous sodium hydrogen carbonate solution (25 ml) and 5% brine (25 ml). Water (25 ml) was added to the organic layer, and the mixture was adjusted with 6 N hydrochloric acid to pH 3.0-3.5 at the internal temperature of 15-25 C. After stirring overnight, the mixture was partitioned. The organic layer was washed with 5% brine (25 ml), concentrated under reduced pressure to about 18 g. After increasing the internal temperature to 65-70 C., the mixture was cooled to the internal temperature of 45-55 C., and further stirred for 1 hr. After cooling to the internal temperature of 15-25 C., n-heptane (25 ml) was added dropwise, and the mixture was stirred at the same temperature for 1 hr. Furthermore, the mixture was stirred at the internal temperature of 0-10 C. for 1 hr. The precipitated crystals were collected by filtration, washed with ethyl acetate:n-heptane (1:2, 15 ml), and dried under reduced pressure at 50 C. until a constant weight was reached to give the title compound (23.9 g, yield 78%). 1H-NMR (300 MHz, DMSO-d6) delta (ppm): 6.91 (d, J=1.6 Hz, 1H), 7.21-7.31 (m, 3H), 7.75-7.80 (m, 2H), 9.76 (s, 1H), 12.17 (brs, 1H). elemental analysis (C11H8NOF). Calculated: C, 69.83; H, 4.26; N, 7.40; O, 8.46; F, 10.04.Found: C, 69.91; H, 4.27; N, 7.33.melting point 123.0-126.0 C. dec. | |
51.5% | With formic acid; water; hydrogen; In tetrahydrofuran; under 750.075 Torr; for 2.5h; | Compound (4) (6.62g, 35.6mmol), tetrahydrofuran (45ml), formic acid (36.5 ml), water (15ml), and Raney nickel (397.2um, wet weight 5.3g) was added to the reaction flask. In a hydrogen atmosphere (0.1 MPa) and room humidity, the reaction was stirred for 2.5 hours. After the reaction was complete, the system was purged with nitrogen, the solution was filtered and washed with ethyl acetate (25 ml x 2). The filtrate was adjusted to pH 6 to 7 with 5N aqueous sodium hydroxide under ice-cooling. After phase separation, the ethyl acetate layer was collected and the aqueous layer was extracted again with ethyl acetate (25 ml). The ethyl acetate layers were combined, washed sequentially with saturated aqueous sodium bicarbonate and saturated brine, dissolved in ethyl acetate (20 ml), stirred on 100 to 200 mesh silica gel and spin dried. The resulting solution was purified by silica gel column chromatography (mobile phase: petroleum ether: ethyl acetate = 5: 1 to 3: 1) and dried under reduced pressure to give a pale yellow solid (3.47 g, yield 51.5%). |
42% | With hydrogen; acetic acid; In tetrahydrofuran; water; at 20℃; for 2h; | 1 g of the intermediate V-1 was dissolved in a mixed solution of 20 ml of tetrahydrofuran, 6 ml of acetic acid and 1 ml of water, then 1 ml of Raney nickel was added, hydrogen gas was introduced, and the reaction was stirred at room temperature for 2 hours. After completion of the reaction, the solvent was distilled off under reduced pressure, the residue was purified by silica gel column chromatography, to give a compound of Formula VI-1, 427 mg of a white solid, yield 42% |
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