Structure of 51310-54-4
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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. : | 51310-54-4 |
Formula : | C9H6F3N |
M.W : | 185.15 |
SMILES Code : | FC(C(N1)=CC2=C1C=CC=C2)(F)F |
MDL No. : | MFCD04972104 |
InChI Key : | QFHVHZJGQWMBTE-UHFFFAOYSA-N |
Pubchem ID : | 10932124 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H317-H319 |
Precautionary Statements: | P280-P305+P351+P338 |
Num. heavy atoms | 13 |
Num. arom. heavy atoms | 9 |
Fraction Csp3 | 0.11 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 3.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 43.3 |
TPSA ? Topological Polar Surface Area: Calculated from |
15.79 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.74 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.97 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
4.34 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.61 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
3.48 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
3.03 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.31 |
Solubility | 0.0917 mg/ml ; 0.000495 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.96 |
Solubility | 0.201 mg/ml ; 0.00108 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-4.17 |
Solubility | 0.0125 mg/ml ; 0.0000676 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 |
-5.32 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) |
1.32 |
* 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 |
---|---|---|
29.4% | In acetic anhydride; ethyl acetate; | EXAMPLE 18 Preparation of 5-Nitro-<strong>[51310-54-4]2-(trifluoromethyl)indole</strong> STR35 A solution of <strong>[51310-54-4]2-(trifluoromethyl)indole</strong> (0.2 g, 1.1 mmole) in acetic anhydride is treated with (0.131 g, 0.54 mmole of) Cu(NO3)2.3H2 O at 0 C., stirred for 2.5 hours at room temperature and diluted with water and ether. The phases are separated; the organic phase is washed sequentially with saturated NaHCO3 and brine, dried over MgSO4 and concentrated in vacuo to give a yellow solid residue. The residue is chromatographed (silica gel/20% ethyl acetate in hexanes) to give the title product as a yellow solid, 0.073 g (29.4% yield), mp 190-193 C., identified by IR, 1 H-NMR, 19 FNMR and mass spectral analyses. |
8% | With copper(II) nitrate trihydrate; acetic anhydride; at 0 - 20℃; for 2.5h; | 200 mg (1.0 mmol) of <strong>[51310-54-4]2-trifluoromethylindole</strong> w'as dissolved in 1 mL of acetic anhydride. The mixture w?as cooled to 0 C and 131 mg (0.54 mmol) of Cu(N03)23H?.0 was added. The reaction mixture was stirred at room temperature for 2.5 hours. Water and diethyl ether was added, and the organic phase was extracted three times with 8 % NaHCCh solution and once with water. The organic phase was dried over NaiSCri, and evaporated to dryness. 63 mg of 2-trifluoromethyl-5-nitroindole was obtained. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71% | With trifluorormethanesulfonic acid; In 1,1-dichloroethane; | EXAMPLE 30 preparation of 2-(trifluoromethyl)-3-[(trifluoromethyl)thio]indole STR46 A mixture of <strong>[51310-54-4]2-(trifluoromethyl)indole</strong> (1.85 g, 0.01 mole) and 3 drops of triflic acid in dichloroethane is heated at 65 C. in a sealed pressure tube for 72 hours, cooled, concentrated in vacuo, diluted with ethyl acetate, washed sequentially with saturated NaHCO3 and brine, dried over NaSO4 and reconcentrated in vacuo to give a residue. Flash column chromatography (silica gel/1:10 ethyl acetate:hexanes) affords the title product as a yellow oil, 2.03 g (71% yield), identified by IR, 1 H-NMR, 13 C-NMR, 19 FNMR and mass spectral analyses. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In tetrahydrofuran; hexane; benzyl bromide; ethyl acetate; | STEP A 1-benzyl-<strong>[51310-54-4]2-trifluoromethyl-(1H)-indole</strong> 8.6 g of <strong>[51310-54-4]2-trifluoromethyl-(1H)-indole</strong> and 100 ml of tetrahydrofuran were mixed together under an inert atmosphere and cooled to 0 C. Over 15 minutes, about 2.4 g of a suspension of sodium hydride at 50% in oil was added in small fractions and 6.5 ml of benzyl bromide in solution in 10 ml of tetrahydrofuran were introduced over 5 minutes. The mixture was stirred for 42 hours at ambient temperature and then was poured into water saturated with monosodium phosphate. The mixture was extracted with ethyl ether, and the extracts were dried and concentrated to dryness by distillation under reduced pressure. The residue was chromatographed over silica and eluted with a mixture of hexane and ethyl acetate (9/1) to obtain 12.54 g of 1-benzyl-<strong>[51310-54-4]2-trifluoromethyl-(1H)-indole</strong> melting at approx. 20 C. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In tetrahydrofuran; hexane; ethyl acetate; | STEP A 1-(2-propynyl)-<strong>[51310-54-4]2-trifluoromethyl-(1H)-indole</strong> 8.57 g of 2-trifluoromethyl-1H-indole described in J. Org. Chem. (1983) 48-3233 and 10 ml of tetrahydrofuran were mixed together under an inert atmosphere at +5 C. and after 15 minutes, 2.4 g of sodium hydride in oil were added. After 2 minutes, 4.5 ml of 2-bromo-propyne were introduced and the resulting mixture was stirred for 30 minutes at +5 C., then for one hour at 25 C. Another 4.5 ml of bromo-propyne were added and the mixture was stirred for 4 hours and then poured into an iced solution of monosodium phosphate and extracted with ethyl ether. The extracts were concentrated to dryness by distillation under reduced pressure and the residue was chromatographed over silica and eluted with a mixture of hexane and ethyl acetate (95/5) to obtain 8.88 g of 1-(2-propynyl)-<strong>[51310-54-4]2-trifluoromethyl-(1H)-indole</strong> melting at 59 C. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium hydrogencarbonate;aluminium trichloride; In nitromethane; dichloromethane; | STEP A 2-trifluoromethyl-3-formyl-(1H)-indole 6.1 g of aluminum chloride and 20 ml of methylene chloride were mixed together at -65 C. under an inert atmosphere and a solution of 4.61 g of <strong>[51310-54-4]2-trifluoromethyl-(1H)-indole</strong> (J. Org. Chem., 1974 Vol. 39, p. 1836), 1.4 ml of nitromethane and 20 ml of methylene chloride were added at -60 C. 3.3 ml of dichloromethyl ether in solution in 10 ml of methylene chloride were added to the suspension of the resulting mixture was stirred for 15 minutes at -65 C. The temperature was allowed to rise and at about -10 C., a strong evolution of hydrochloric acid was observed which ceased at about 0 C. The black solution obtained was stirred for 30 minutes at 25 C. and the reaction mixture was poured into water and extracted with methylene chloride. The organic phases were washed with an aqueous solution of sodium bicarbonate, then with water and concentrated to dryness under reduced pressure to obtain 4.6 g of 2-trifluoromethyl-3-formyl-(1H)-indole. |
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