Structure of 2042-37-7
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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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Guo, Sheng ; Wu, Yifan ; Luo, Shao-Xiong Lennon ; Swager, Timothy M. ;
Abstract: Heterogenous catalysts with confined nanoporous catalytic sites are shown to have high activity and size selectivity. A solution-processable nanoporous organic polymer (1-BPy-Pd) catalyst displays high catalytic performance (TON > 200K) in the heterogeneous Suzuki–Miyaura coupling (SMC) reaction and can be used for the preparation of the intermediates in the synthesis of pharmaceutical agents. In comparison to the homogeneous catalyst analogue (2,2′-BPy)PdCl2, the heterogenous system offers size-dependent catalytic activity when bulkier substrates are used. Furthermore, the catalyst can be used to create catalytic impellers that simplify its use and recovery. We found that this system also works for applications in heterogenous Heck and nitroarenes reduction reactions. The metal-binding nanoporous polymer reported here represents a versatile platform for size-selective heterogeneous and recyclable catalysts.
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Keywords: nanoporous organic polymer ; heterogeneous catalyst ; Suzuki−Miyaura coupling reaction ; size-selective reaction ; catalyst processing
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Purchased from AmBeed: 128796-39-4 ; 10365-98-7 ; 98-80-6 ; 556-96-7 ; 171663-13-1 ; 71597-85-8 ; 402-43-7 ; 2042-37-7 ; 22385-77-9 ; 16419-60-6 ; 15862-18-7 ; 87199-15-3 ; 171408-84-7 ; 643-58-3 ; 591-50-4 ; 76911-73-4 ; 398-36-7 ; 14871-92-2 ; 5720-07-0 ; 945976-76-1 ; 366-18-7 ; 2920-38-9 ; 623-00-7 ; 24973-49-7 ; 588-59-0 ; 128796-39-4 ; 5723-93-3 ; 17057-88-4 ; 126485-55-0
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CAS No. : | 2042-37-7 |
Formula : | C7H4BrN |
M.W : | 182.02 |
SMILES Code : | C1=CC=CC(=C1C#N)Br |
MDL No. : | MFCD00001772 |
InChI Key : | AFMPMSCZPVNPEM-UHFFFAOYSA-N |
Pubchem ID : | 16272 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H332-H335 |
Precautionary Statements: | P261-P280-P305+P351+P338 |
Num. heavy atoms | 9 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 0 |
Num. H-bond acceptors | 1.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 38.86 |
TPSA ? Topological Polar Surface Area: Calculated from |
23.79 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.86 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.22 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.32 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.21 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.5 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.22 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.86 |
Solubility | 0.251 mg/ml ; 0.00138 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.35 |
Solubility | 0.805 mg/ml ; 0.00442 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.33 |
Solubility | 0.0842 mg/ml ; 0.000462 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) |
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 |
-5.83 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) |
1.45 |
* 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 |
---|---|---|
In toluene; | Example 6 4-Methyl-3-nitro-phenyl boronic acid (obtained as described in J.A.C.S., 1932, 54 , 4415) (3.0g) was added to a solution of 2-bromobenzonitrile (2.73 g) and tetrakis(triphenylphosphine)palladium(O) (0.525 g) in a mixture of 2M aqueous sodium carbonate (15 ml) and toluene (38 ml). The mixture was heated at 100C for 16 hours, then allowed to cool. The mixture was extracted with ethyl acetate and the extracts washed with saturated sodium chloride solution and dried. The solvent was removed by evaporation and the resultant light brown solid recrystallized from ethyl acetate to give 4--methyl-3--nitrobiphenyl-2-carbonitrile as a solid (3.13 g), m.p. 155-156C; NMR(CDCl3): 2.68(s, 3H), 7.44-7.86(complex m, 6H), 8.14(d, 1H); microanalysis, found: C, 70.3; H, 4.0; N, 11.8%; C14H10N2O2 requires: C, 70.6; H, 4.2; N, 11.8%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
61% | With copper(II) oxide; potassium hydroxide; In N,N-dimethyl acetamide; at 27℃; for 24h;Inert atmosphere; Sealed tube; | General procedure: A magnetic stirring bar, nanocrystalline CuO (10 mg, 3 mol %), KOH (112 mg, 2 mmol) and phenol/substituted phenol/ thiophenol (1.2 mmol) were added into an oven-dried flask (25 mL). The flask was sealed with a septum, followed by three cycles of evacuation and filling with dry nitrogen. Then aryl halide (1 mmol) and N,N-dimethyl acetamide (DMAc) (4 mL) were injected through a syringe. The flask was sealed and stirred under nitrogen until the completion of the reaction (as monitored by TLC or GC). The catalyst was recovered from the reaction mixture and washed several times with ethyl acetate. The catalyst-free reaction mixture was quenched with brine solution and the product was extracted with ethyl acetate. The combined organic extracts were dried over anhydrous Na2SO4 and filtered. The filtrate was concentrated and the residue was purified by column chromatography on silica gel (hexane/ethyl acetate, 80/20) to afford the product with high purity. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
77% | Methylmagnesium bromide (54.9 mL, 164.8 mmol, 3M in diethyl ether) was added to a solution of 2-bromobenzonitrile (10.0 g, 54.9 mmol) in diethyl ether (200 mL) and the reaction mixture was stirred at room temperature under nitrogen. After 30 minutes, titanium isopropoxide (16.3 mL, 54.9 mmol) was added and resulting mixture was refluxed overnight. Once cooled to 0 C., 2N NaOH (400 mL) was added and resulting mixture was stirred at room temperature for 30 minutes. The solution was diluted with saturated aqueous sodium bicarbonate (400 mL), extracted using methyl tert-butyl ether (3×200 mL). The organic layers were combined and concentrated under reduced pressure. The residue was dissolved in 1N hydrochloric acid (75 mL) and washed with methyl tert-butyl ether (150 mL). The aqueous layer was basified to pH 10-11 using 2N sodium hydroxide and the resulting solution was extracted with methyl tert-butyl ether (3×200 mL). The organic layers were combined, dried over anhydrous sodium sulfate and concentrated under reduced pressure to afford 2-(2-bromophenyl)propan-2-amine (9.0 g, 77% yield) as orange oil. 1H NMR (300 MHz, CDCl3): ppm 1.66 (s, 6H), 7.02-7.10 (m, 1H), 7.13-7.43 (m, 1H), 7.55-7.61 (m, 2H). [M+H]+=214.0 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
69% | With tetrakis(triphenylphosphine) palladium(0); potassium carbonate; In tetrahydrofuran; water;Reflux; | 10.28 g (19.23 mmol) of Intermediate (H), 2.50 g (13.74 mmol) of 2-bromobenzonitrile, 1.59 g (1.37 mmol) of Pd(PPh3)4, and 3.80 g (22.47 mmol) of potassium carbonate were mixed with a mixture solution of 35 mL of tetrahydrofuran and 13 mL of water, followed by stirring under reflux. Once the reaction was complete, the resulting mixture was cooled to room temperature, and extracted, and the resultant was filtered through silica gel under reduced pressure. The obtained filtrate was concentrated under reduced pressure, and the resulting product was separated and purified by silica gel column chromatography to obtain a desired compound, 4.80 g of Compound A (at a yield of 69%). LC-Mass (calculated value: 509.19 g/mol, measured value: M+1=510 g/mol) |