Structure of 92339-07-6
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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. : | 92339-07-6 |
Formula : | C8H6F4O2 |
M.W : | 210.13 |
SMILES Code : | OCC1=C(F)C(F)=C(CO)C(F)=C1F |
MDL No. : | MFCD00229147 |
InChI Key : | SDHKGYDQOGCLQM-UHFFFAOYSA-N |
Pubchem ID : | 4098835 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H315-H319-H335 |
Precautionary Statements: | P233-P260-P261-P264-P271-P280-P302+P352-P304-P304+P340-P305+P351+P338-P312-P321-P332+P313-P337+P313-P340-P362-P403-P403+P233-P405-P501 |
Num. heavy atoms | 14 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.25 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 6.0 |
Num. H-bond donors | 2.0 |
Molar Refractivity | 38.53 |
TPSA ? Topological Polar Surface Area: Calculated from |
40.46 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.58 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
0.55 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.6 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.64 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
3.26 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.12 |
Log S (ESOL):? ESOL: Topological method implemented from |
-1.67 |
Solubility | 4.45 mg/ml ; 0.0212 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (Ali)? Ali: Topological method implemented from |
-0.97 |
Solubility | 22.4 mg/ml ; 0.107 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.18 |
Solubility | 0.139 mg/ml ; 0.000659 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 |
-7.19 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 |
0.0 |
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 |
1.0 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) |
1.48 |
* 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 |
---|---|---|
82 - 88%Chromat.; 4 - 11%Chromat. | With hydrogen;sponge cobalt catalyst in water-containing state; In toluene; at 160℃; under 3975.4 - 165017 Torr; for 0.5 - 1h;Product distribution / selectivity; | To a 1 liter autoclave, 300 ml of toluene, 25 g of a sponge cobalt catalyst in a water-containing state (in which the catalyst amount is 5 g) and 30 g of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol were charged and a gas phase was thoroughly purged with hydrogen, and thereafter the hydrogen pressure was set to 1.5 MPa at ordinary temperature (the pressure means gauge pressure hereinafter). The stirring and heating for the autoclave were started and the temperature thereof was kept to 160 C. When the temperature reached to 160 C., the pressure was 2.2 MPa. The reaction was continued for 1 hr. Then, the autoclave was cooled to room temperature. After the cooling, the pressure showed 1.0 MPa. At this time, the amount of absorbed hydrogen was 104 mol % based on 2,3,5,6-tetrafluorobenzene-1,4-dimethanol charged. Hydrogen inside a reactor was removed, and thereafter the reaction mixture was recovered and the catalyst was filtered. [0059] The reaction mixture was heated under reduced pressure to remove the solvent by distillation, and further by gradually decreasing the pressure, a fraction distilled at 665 Pas at a temperature of from 100 to 105 C. was recovered. The fraction was analyzed with nuclear magnetic resonance spectrum (NMR) analysis and gas chromatography-mass spectroscopy (GC-MS) to identify 98% 2,3,5,6-tetrafluoro-4-methyl-benzyl alcohol. [0060] Further, using the distilled 2,3,5,6-tetrafluoro-4-methyl-benzyl alcohol as an authentic sample, a part of the reaction mixture recovered in the above reaction was analyzed with the gas chromatography internal standard method. In result, the conversion of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol was 94%, the yield of 2,3,5,6-tetrafluoro-4-methyl-benzyl alcohol was 88% (on the basis of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol), and the yield of 2,3,5,6-terafluoro-p-xylene was 4% (on the basis of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol).Example 5 [0068] To a 1 liter autoclave, 600 ml of toluene, 30 g of a sponge cobalt catalyst in a water-containing state (in which the catalyst amount is 6 g) and 60 g of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol were charged and gas phase was thoroughly purged with nitrogen. The stirring and heating for the autoclave were started and the temperature thereof was kept to 160 C. The pressure at this time was 0.28 MPa. Hydrogen was charged to the autoclave to increase the pressure to 0.53 MPa. Then, hydrogen was further fed to the autoclave to keep the pressure at 0.53 MPa, and when the hydrogen absorbing amount reached to 130 mol % based on 2,3,5,6-tetrafluorobenzene-1,4-dimethanol charged while watching the hydrogen flow rate, the reaction was stopped. The reaction required 30 minutes. [0069] Then, the autoclave was cooled to room temperature, gases inside the reactor were removed, and thereafter the reaction mixture was recovered and the catalyst was filtered. [0070] The resulting reaction mixture was analyzed with the gas chromatography internal standard method. In result, the conversion of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol was 99.5%, the yield of 2,3,5,6-tetrafluoro-4-methyl-benzyl alcohol was 82% (on the basis of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol), and the yield of 2,3,5,6-tetrafluoro-p-xylene was 11% (on the basis of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol). |
58%Chromat.; 14%Chromat. | With hydrogen;rhenium oxide-alumina catalyst; In 1,4-dioxane; at 220℃; under 36003.6 Torr; for 5h;Product distribution / selectivity; | Example 4 To a 100 ml autoclave, 30 ml of 1,4-dioxane, 1.5 g of a supported rhenium oxide-alumina catalyst and 3.0 g of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol were charged and a gas phase was thoroughly purged with hydrogen, and thereafter the hydrogen pressure was set to 3 MPa at ordinary temperature.The stirring and heating for the autoclave were started and the temperature thereof was kept to 220 C. When the temperature reached to 220 C., the pressure was 4.8 MPa. The reaction continued for 5 hr. Then, the autoclave was cooled to room temperature and the pressure after the cooling showed 2.6 MPa. At this time, the amount of absorbed hydrogen was 116 mol % based on 2,3,5,6-tetrafluorobenzene-1,4-dimethanol charged.hydrogen inside a reactor was removed, and thereafter the reaction mixture was recovered and the catalyst was filtered.The resulting reaction mixture was analyzed with the gas chromatography internal standard method.In result, the conversion of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol was 83%, the yield of 2,3,5,6-tetrafluoro-4-methyl-benzyl alcohol was 58% (on the basis of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol), and the yield of 2,3,5,6-terafluoro-p-xylene was 14% (on the basis of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol). |
40%Chromat.; 7%Chromat. | With hydrogen;sponge cobalt catalyst in a water-containing state; In 1,4-dioxane; at 160℃; under 3750.38 Torr; for 4h;Product distribution / selectivity; | Example 2 To a 100 ml autoclave, 30 ml of 1,4-dioxane, 2.5 g of a sponge cobalt catalyst in a water-containing state (in which the catalyst amount is 0.5 g) and 3.0 g of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol were charged and a gas phase was thoroughly purged with hydrogen, and thereafter the hydrogen pressure was set to 0.3 MPa at ordinary temperature.The stirring and heating for the autoclave were started and the temperature thereof was kept to 160 C. When the temperature reached to 160 C., the pressure was 0.5 MPa. hydrogen was fed to the autoclave to keep a pressure at 0.5 MPa, and when the hydrogen absorbing amount reached to 145 mol % based on 2,3,5,6-tetrafluorobenzene-1,4-dimethanol charged while watching the hydrogen flow rate, the reaction was stopped.The reaction required 4 hr. Then, the autoclave was cooled to room temperature.hydrogen inside a reactor was removed, and thereafter the reaction mixture was recovered and the catalyst was filtered. The resulting reaction mixture was analyzed with the gas chromatography internal standard method.In result, the conversion of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol was 69%, the yield of 2,3,5,6-tetrafluoro-4-methyl-benzyl alcohol was 40% (on the basis of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol), and the yield of 2,3,5,6-terafluoro-p-xylene was 7% (on the basis of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol). |
37%Chromat.; 6%Chromat. | With hydrogen;palladium on activated charcoal; In 1,4-dioxane; at 220℃; under 67506.8 Torr; for 12h;Product distribution / selectivity; | Example 3 To a 100 ml autoclave, 30 ml of 1,4-dioxane, 3.0 g of a supported palladium-carbon catalyst and 3.0 g of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol were charged and a gas phase was thoroughly purged with hydrogen, and thereafter the hydrogen pressure was set to 5 MPa at ordinary temperature.The stirring and heating for the autoclave were started and the temperature thereof was kept to 220 C. When the temperature reached to 220 C., the pressure was 9 MPa. The reaction continued for 12 hr.Then, the autoclave was cooled to room temperature and the pressure after the cooling showed 4.7 MPa. At this time, the amount of absorbed hydrogen was 82 mol % based on 2,3,5,6-tetrafluorobenzene-1,4-dimethanol charged. hydrogen inside a reactor was removed, and thereafter the reaction mixture was recovered and the catalyst was filtered.The resulting reaction mixture was analyzed with the gas chromatography internal standard method.In result, the conversion of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol was 56%, the yield of 2,3,5,6-tetrafluoro-4-methyl-benzyl alcohol was 37% (on the basis of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol), and the yield of 2,3,5,6-terafluoro-p-xylene was 6% (on the basis of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogen;cobalt R400; In toluene; at 120 - 150℃; under 3750.38 - 5625.56 Torr; for 10.5h;Autoclave;Product distribution / selectivity; | In a 100 ml autoclave, 6.0 g (29.1 mmol) of 2,3,5,6-tetrafluorobenzene-1,4-dicarbaldehyde, 24.0 g of toluene and 0.6 g of a sponge cobalt catalyst (R-400 manufactured by Nikko Rica Corporation) having been separately subjected to methanol replacement and toluene replacement in advance were placed.First, the autoclave was purged with nitrogen at room temperature and then purged with hydrogen. Subsequently, the temperature of the autoclave was raised to 120 C., then hydrogen was fed to the autoclave with maintaining the pressure at 0.5 MPa, and the reaction was carried out at a temperature of 120 C. for 5 hours. The ratio of absorption of hydrogen at this time was 63%. The temperature of the autoclave was further raised up to 150 C. over a period of 20 minutes, then hydrogen was fed to the autoclave with maintaining the pressure at 0.75 MPa, and the reaction was further, carried out at a temperature of 150 C. for 5 hours and 10 minutes. The ratio of absorption of hydrogen through the whole reaction was 102%. Then, feeding of hydrogen was terminated, and the autoclave was cooled to room temperature. Subsequently, the catalyst was filtered out, and the reaction liquid was taken out.A small amount of a sample was withdrawn and subjected to GC analysis. As a result of the analysis, a peak of the 2, 3, 5, 6-tetrafluorobenzene-1,4-dicarbaldehyde as a raw material was not more than the limit of detection, the formation ratio of 2,3,5,6-tetrafluoro-4-methylbenzyl alcohol was 80.8%, the formation ratio of 1,4-dimethyl-2,3,5,6-tetrafluorobenzene was 8.6%, and the formation ratio of 2,3,5,6-tetrafluorobenzene-1,4-dimethanol was 6.9%. |