Structure of 129931-47-1
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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. : | 129931-47-1 |
Formula : | C8H2ClF4N |
M.W : | 223.55 |
SMILES Code : | N#CC1=CC(C(F)(F)F)=CC(Cl)=C1F |
MDL No. : | MFCD09999623 |
InChI Key : | XRFKGJGJYKZNMH-UHFFFAOYSA-N |
Pubchem ID : | 19773824 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302 |
Precautionary Statements: | P280-P305+P351+P338 |
Num. heavy atoms | 14 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.12 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 5.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 41.13 |
TPSA ? Topological Polar Surface Area: Calculated from |
23.79 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.92 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
3.25 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
4.94 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
3.5 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
3.92 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
3.51 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.52 |
Solubility | 0.0668 mg/ml ; 0.000299 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.42 |
Solubility | 0.0843 mg/ml ; 0.000377 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-4.27 |
Solubility | 0.0119 mg/ml ; 0.0000533 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 |
-5.36 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) |
2.06 |
* 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 |
---|---|---|
71% | With thionyl chloride; potassium carbonate; In N-methyl-acetamide; | EXAMPLE III 3-Chloro-2-fluoro-5-(trifluoromethyl)benzonitrile was prepared as follows: Thionyl chloride, 6.0 g (50 mmol) was added to a slurry of 4.0 g (16 mmol) 3-chloro-2-fluoro-5-(trifluoromethyl) benzamide and 15 mL dimethylformamide at 0 C. After stirring for one hour the reaction mixture was diluted with 25 mL pentane and neutralized by dropwise addition of a saturated potassium carbonate solution and filtered. The pentane solution was dried and distilled to yield 3-chloro-2-fluoro-5-(trifluoromethyl) benzonitrile in 71% yield, bp 75-85 C./20 mm Hg. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
(c) 1-(2-Chloro-6-cyano-4-trifluoromethylphenyl)-4-pentafluoroethylpyrimidin-6-one (compound No 4 in Table I) was prepared by the reaction of <strong>[129931-47-1]3-chloro-4-fluoro-5-cyano-trifluoromethylbenzene</strong> and 4-pentafluoroethylpyrimidin-6-one. 1 H NMR delta(CDCl3 /d6 -DMS0): 8.15 (1H,s); 8.09 (2H,m); 7.09 (1H,s). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In acetonitrile; | PREPARATION 2 This description illustrates the preparation of 3-chloro-4-fluoro-5-cyano-trifluoromethylbenzene. A solution of 3-amino-5-chloro-4-fluorotrifluoromethylbenzene (3g) in acetonitrile (10ml) was added dropwise to a stirred suspension of copper (I) cyanide (1.26g) in dry acetonitrile (50ml) whilst the reaction temperature was maintained at 0 C. After the addition was complete, the reaction mixture was allowed to warm to the ambient temperature (about 23 C.) and left overnight. The reaction mixture was poured into water, extracted with diethyl ether, dried over anhydrous magnesium sulphate and filtered. Evaporation of the solvent, under reduced pressure, gave a brown oil, which was flushed through a plug of silica gel using petroleum ether (boiling range 60-80 C.) containing diethyl ether (20% by volume) as eluent. After removal of the solvent, under reduced pressure, kugelrohr distillation of the residue gave two fractions, the first of which (boiling point 110 C. at 15mmHg) was predominantly composed of 3-chloro-4-fluoro-5-cyano-trifluoromethylbenzene. This material was used without further purification. 1 H NMR delta(CDCl3) 7.95 (1H, m); 7.85 (1H, m). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With potassium fluoride; In N-methyl-acetamide; toluene; | PREPARATION 7 This description illustrates an alternate preparation of 3-chloro-4-fluoro-5-cyano-trifluoromethylbenzene. Dry potassium fluoride (1.94g) was added to a flask containing dry toluene (31 ml), dry dimethylformamide (7.8ml) and a catalytic amount of 18-crown-6. The stirred mixture was heated to reflux, and approximately 25 mls of the distillate was collected. After cooling to ambient temperature, 3-cyano-4,5-dichloro-trifluoromethylbenzene (4g) was added in one portion, and the stirred mixture was heated to 130 C. for 16 hours, and then to 145 C. for 24 hours. After cooling to ambient temperature, the reaction mixture was filtered, the residue washed with ethyl acetate, and the combined filtrate washed with brine. After drying over anhydrous magnesium sulphate, evaporation under reduced pressure gave a brown oil which was subjected to kugelrohr distillation, to give 3-chloro-4-fluoro-5-cyano-trifluoromethylbenzene as a pale yellow liquid (3.17g). 1 H NMR delta(CDCl3) 7.95 (1H,dq); 7.85 (1H,dq) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
(m) 1-(2-Chloro-6-cyano-4-trifluoromethylphenyl)-3-cyano-5-trifluoromethyl-2-pyridone (Compound No 17 in Table II) was prepared by the reaction of <strong>[129931-47-1]3-chloro-4-fluoro-5-cyano-trifluoromethylbenzene</strong> and 3-cyano-5-trifluoromethyl-2-pyridone. 1 H NMR delta(CDCl13): 8.15 (2H,d); 8.05 (1H,d); 7.78 (1H,d) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In N-methyl-acetamide; mineral oil; | Step (d) A solution of 3-dimethyl-aminopyrazole (440mg) in dimethylformamide (3ml) was added in small portions to a suspension of sodium hydride (160mg of a 60% suspension in mineral oil) in dimethylformamide (2ml). The reaction mixture was stirred until all effervescence had stopped and then it was added to a solution of 2-fluoro-3-chloro-5-trifluoromethylbenzonitrile (1g) in dimethylformamide (15ml) under a nitrogen atomsphere. After one hour of stirring the mixture was poured into brine and extracted with ethyl acetate. The extracts were washed with brine, dried over magnesium sulphate and the solvent evaporated under reduced pressure to give a yellow solid (910mg) which was purified by recrystallisation from hexane to give 1-(2-chloro-6-cyano-4-trifluoromethylphenyl)-3-dimethyl-aminopyrazole. melting point: 115-116 C. 1 H NMR delta(CDCl3): 7.94 (1H,d); 7.90 (1H,d); 7.86 (1H,d); 6.03 (1H,d); 2.98 (6H,s) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
(h) 1-(2-Chloro-6-cyano-4-trifluoromethylphenyl)-3-nitro-5-trifluoromethyl-2-pyridone (Compound No 15 in Table II) was prepared by the reaction of 3-chloro-4-fluoro-5-cyanotrifluoromethylbenzene and 3-nitro-5-trifluoromethyl-2-pyridone. 1 H NMR delta(CDCl3): 8.65 (1H,d); 8.17 (1H,d); 8.08 (1H,d); 7.89 (1H,m). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
(g) 1-(2-Chloro-6-cyano-4-trifluoromethylphenyl)-4-trifluoromethyl-2-pyridone (Compound No 14 of Table II) was prepared by reacting 3-chloro-4-fluoro-5-cyanotrifluoromethylbenzene and 4-trifluoromethyl-2-pyridone. 1 H NMR delta(CDCl3) 8.10 (1H,d); 8.0 (1H,d); 7.26 (1H,dd); 7.04 (1H,s); 6.55 (1H,dd). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
(i) 1-(2-Chloro-6-cyano-4-trifluoromethylphenyl)-5-bromo-4-trifluoromethyl-2-pyridone (Compound No 16 in Table II) was prepared by the reaction of 3-chloro-4-fluoro-5-cyanotrifluoromethylbenzene and 5-bromo-4-trifluoromethyl-2-pyridone. 1 H NMR delta(CDCl3) 8.10 (1H,d); 8.01 (1H,d); 7.45 (1H,s); 7.13 (1H,s). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Stage 1 1-(2-chloro-6-cyano-4-trifluoromethylphenyl)-5-(2-hydroxyisopropyl)-4-trifluoromethylpyrimidin-6-one was prepared from <strong>[129931-47-1]3-chloro-4-fluoro-5-cyano-trifluoromethylbenzene</strong> and 5-(2-hydroxyisopropyl)-4-trifluoromethyl-pyrimidin-6-one (Preparation 2) according to the general method disclosed in EP 0 398 499 for the preparation of Compound A1 in Table A1. Melting Point: 125.6 - 127.6C, 1H NMR delta(CDCl3): 8.14(s,1H); 8.05(s,1H); 7.99(s,1H); 3.45(s,1H); 1.75(d,6H). |
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