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CAS No. : | 474918-32-6 | MDL No. : | MFCD09907957 |
Formula : | C25H17Br | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | WNXNWOBGPRKOJF-UHFFFAOYSA-N |
M.W : | 397.31 | Pubchem ID : | 46856308 |
Synonyms : |
|
Num. heavy atoms : | 26 |
Num. arom. heavy atoms : | 24 |
Fraction Csp3 : | 0.04 |
Num. rotatable bonds : | 2 |
Num. H-bond acceptors : | 0.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 111.45 |
TPSA : | 0.0 Ų |
GI absorption : | Low |
BBB permeant : | No |
P-gp substrate : | Yes |
CYP1A2 inhibitor : | Yes |
CYP2C19 inhibitor : | Yes |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -3.5 cm/s |
Log Po/w (iLOGP) : | 3.88 |
Log Po/w (XLOGP3) : | 7.36 |
Log Po/w (WLOGP) : | 6.81 |
Log Po/w (MLOGP) : | 6.66 |
Log Po/w (SILICOS-IT) : | 7.3 |
Consensus Log Po/w : | 6.4 |
Lipinski : | 1.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 1.0 |
Muegge : | 2.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -7.49 |
Solubility : | 0.0000128 mg/ml ; 0.0000000323 mol/l |
Class : | Poorly soluble |
Log S (Ali) : | -7.19 |
Solubility : | 0.0000257 mg/ml ; 0.0000000648 mol/l |
Class : | Poorly soluble |
Log S (SILICOS-IT) : | -10.98 |
Solubility : | 0.0000000041 mg/ml ; 0.0 mol/l |
Class : | Insoluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 2.0 |
Synthetic accessibility : | 3.36 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302 | Packing Group: | N/A |
GHS Pictogram: |
* 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 |
---|---|---|
91% | With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate In N,N-dimethyl-formamideReflux | Preparation of Compound 50-1 Reflux in a single neck round bottom flask2-bromo-9,9-diphenyl -9H- fluorene (40g, 100.67mmol),Diboron (51.1g, 201.34mmol),PdCl2 (dppf) (2.2g, 3.02mmol), KOAc (29.6g, 302.01mmol)And DMF (400ml)mixture.The mixture was extracted with MC and dried over MgSO4,Then using a vacuum rotary evaporator to remove the DMF.Concentrate was purified by column chromatography (SiO2, hexane: dichloromethane = 1: 1) to give a white solid was isolated compound 50-1 (41g, 91percent). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
98.6% | at 45 - 75℃; for 5.5 h; Inert atmosphere | 1) 10 mmol trifluoroacetic acid, 1.5 mmol anhydrous aluminum trichloride and 150 mmol dry benzene in a flaskMix well A liquid;2) 10 mmol of 2-bromo-9-phenyl-fluorene-9-ol and 90 mmol of dry benzene were mixed to give B solution;3) B was added dropwise to Solution A while stirring under argon, 2-bromo-9-phenyl-fluorene-9-ol in Solution BAnd A liquid trifluoroacetic acid molar ratio of 1: 1, mixing process control system temperature does not exceed 45 ;4) the system temperature to 75 , the reaction 1.5 h; and then maintain the system temperature and add 5 mmol trifluoroacetic acid; continueReaction 4h after the end of the reaction.5) separation and purification to be 2-bromo-9,9-diphenylfluorene, separation and purification operation: the reaction after the end of the system to join250 mmol of ice water; stratified, the organic phase was neutralized with saturated sodium bicarbonate to pH, extracted with ethyl acetate, and the extract was concentrated to give a white solid powder product with a yield of 98.6percent. |
95.1% | Stage #1: at 64℃; for 2 h; Stage #2: at 45℃; for 5 h; |
10 mmol of 2-bromo-9-phenyl-fluoren-9-ol and 170 mmol of benzene were mixed,Stirring up to 64 ° C, through the addition of sufficient hydrogen bromide gas, until the TLC monitoring to the basic disappearance of raw materials, ventilation is completed,The reaction system was heated to reflux temperature, refluxed for 2 h,Return the water at the same time using the water separator to separate the system;The system was cooled to 20 ± 2 , in 1h by adding the catalyst in batches,Heated to 45 after 5h reaction;Wherein the catalyst consists of 12 mmol of anhydrous aluminum trichloride and 3 mmol of anhydrous ferric chloride,The catalyst was added in three batches, and the weight ratio was three: 2: 1;Separation and purification to obtain 2-bromo-9,9-diphenylfluorene, separation and purification operation: the reaction after the end of the system to join240 mmo 1 ice water; layered, organic phase neutralized with saturated sodium bicarbonate to pH,ethyl acetate was added and the extract was concentrated to give the product as a white solid, yield 95.1percent. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
4 g | With n-butyllithium In tetrahydrofuran at -78℃; | Take 10 grams of 2-bromo-9,9-diphenylfluorene and 100 ml of anhydrous tetrahydrofuran was added to a 1 liter flask,Cooled to -78 ° C with liquid nitrogen,25.2 ml of n-butyllithium and trimethyl borate are slowly added dropwise with stirring,After the natural return to room temperature,Add appropriate amount of dilute hydrochloric acid hydrolysis,Then extracted with ethyl acetate,The organic layer was separated and dried over anhydrous sodium sulfate. The solvent was removed under reduced pressure and 4 g of product was eluted with hexane. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
4 g | Stage #1: With n-butyllithium In tetrahydrofuran at -78℃; Stage #2: With hydrogenchloride In tetrahydrofuran |
Take 10g of 2-bromo-9,9-diphenylfluorene and 100ml of anhydrous tetrahydrofuran into a 1L flask.The liquid nitrogen was cooled to -78°C, and 25.2 ml of n-butyllithium and trimethyl borate were slowly added dropwise with stirring. After the addition, the mixture was naturally returned to room temperature and added with an appropriate amount of dilute hydrochloric acid to hydrolyze ethyl acetate (Ethyl acetate). ) Extraction, separation of the organic layer, drying over anhydrous sodium sulfate, removal of the solvent under reduced pressure, and precipitation of 4 g of product as hexane. |