Structure of 128156-54-7
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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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CAS No. : | 128156-54-7 |
Formula : | C9H7NO3 |
M.W : | 177.16 |
SMILES Code : | COC(=O)C1=CC=CC2=C1N=CO2 |
MDL No. : | MFCD11110250 |
InChI Key : | XYHIHNFBMYROIE-UHFFFAOYSA-N |
Pubchem ID : | 14616761 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 13 |
Num. arom. heavy atoms | 9 |
Fraction Csp3 | 0.11 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 4.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 45.29 |
TPSA ? Topological Polar Surface Area: Calculated from |
52.33 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.89 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.62 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.61 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.9 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
1.71 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.55 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.34 |
Solubility | 0.811 mg/ml ; 0.00458 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.33 |
Solubility | 0.826 mg/ml ; 0.00466 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.99 |
Solubility | 0.182 mg/ml ; 0.00103 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 |
-6.23 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) |
2.14 |
* 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 |
---|---|---|
90% | With copper(l) iodide; palladium diacetate; caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; In toluene; for 20.0h;Inert atmosphere; Reflux; | To a degassed solution (N2 was purged for 10 min) of <strong>[128156-54-7]methyl 1,3-benzoxazole-4-carboxylate</strong> (150 mg, 0.847mmol) and N-(2-iodophenyl)benzamide 2a (273 mg, 0.847 mmol) in anhydrous toluene (4ml) , CuI (32 mg, 0.169 mmol), xantphos (98 mg, 0.169 mmol), Pd(OAc)2 (10 mg, 0.042 mmol), Cs2CO3 (685 mg, 2.117 mmol) were added at room temperature under nitrogen atmosphere. Reaction mixture was continued for 20 hours at reflux condition. After the completetion of the reaction (monitored by TLC), Reaction mixture was filtered through celite bed and washed with methanol (10 ml),filtrate was concentrated. Crude mass which was purified by column chromatography over silica gel (230-400 mesh) using DCM-Methanol (1:9) as elutant to affordthe products 3a (284 mg) as white solid. All the other compounds 3b-3r were prepared similarly following the above procedure. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
82% | With copper(l) iodide; palladium diacetate; caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; In toluene; for 20.0h;Inert atmosphere; Reflux; | General procedure: To a degassed solution (N2 was purged for 10 min) of <strong>[128156-54-7]methyl 1,3-benzoxazole-4-carboxylate</strong> (150 mg, 0.847mmol) and N-(2-iodophenyl)benzamide 2a (273 mg, 0.847 mmol) in anhydrous toluene (4ml) , CuI (32 mg, 0.169 mmol), xantphos (98 mg, 0.169 mmol), Pd(OAc)2 (10 mg, 0.042 mmol), Cs2CO3 (685 mg, 2.117 mmol) were added at room temperature under nitrogen atmosphere. Reaction mixture was continued for 20 hours at reflux condition. After the completetion of the reaction (monitored by TLC), Reaction mixture was filtered through celite bed and washed with methanol (10 ml),filtrate was concentrated. Crude mass which was purified by column chromatography over silica gel (230-400 mesh) using DCM-Methanol (1:9) as elutant to affordthe products 3a (284 mg) as white solid. All the other compounds 3b-3r were prepared similarly following the above procedure. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
82% | With copper(l) iodide; palladium diacetate; caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; In toluene; for 20.0h;Inert atmosphere; Reflux; | General procedure: To a degassed solution (N2 was purged for 10 min) of <strong>[128156-54-7]methyl 1,3-benzoxazole-4-carboxylate</strong> (150 mg, 0.847mmol) and N-(2-iodophenyl)benzamide 2a (273 mg, 0.847 mmol) in anhydrous toluene (4ml) , CuI (32 mg, 0.169 mmol), xantphos (98 mg, 0.169 mmol), Pd(OAc)2 (10 mg, 0.042 mmol), Cs2CO3 (685 mg, 2.117 mmol) were added at room temperature under nitrogen atmosphere. Reaction mixture was continued for 20 hours at reflux condition. After the completetion of the reaction (monitored by TLC), Reaction mixture was filtered through celite bed and washed with methanol (10 ml),filtrate was concentrated. Crude mass which was purified by column chromatography over silica gel (230-400 mesh) using DCM-Methanol (1:9) as elutant to affordthe products 3a (284 mg) as white solid. All the other compounds 3b-3r were prepared similarly following the above procedure. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
89% | With copper(l) iodide; palladium diacetate; caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; In toluene; for 20.0h;Inert atmosphere; Reflux; | General procedure: To a degassed solution (N2 was purged for 10 min) of <strong>[128156-54-7]methyl 1,3-benzoxazole-4-carboxylate</strong> (150 mg, 0.847mmol) and N-(2-iodophenyl)benzamide 2a (273 mg, 0.847 mmol) in anhydrous toluene (4ml) , CuI (32 mg, 0.169 mmol), xantphos (98 mg, 0.169 mmol), Pd(OAc)2 (10 mg, 0.042 mmol), Cs2CO3 (685 mg, 2.117 mmol) were added at room temperature under nitrogen atmosphere. Reaction mixture was continued for 20 hours at reflux condition. After the completetion of the reaction (monitored by TLC), Reaction mixture was filtered through celite bed and washed with methanol (10 ml),filtrate was concentrated. Crude mass which was purified by column chromatography over silica gel (230-400 mesh) using DCM-Methanol (1:9) as elutant to affordthe products 3a (284 mg) as white solid. All the other compounds 3b-3r were prepared similarly following the above procedure. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
79% | With copper(l) iodide; palladium diacetate; caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; In toluene; for 20.0h;Inert atmosphere; Reflux; | General procedure: To a degassed solution (N2 was purged for 10 min) of <strong>[128156-54-7]methyl 1,3-benzoxazole-4-carboxylate</strong> (150 mg, 0.847mmol) and N-(2-iodophenyl)benzamide 2a (273 mg, 0.847 mmol) in anhydrous toluene (4ml) , CuI (32 mg, 0.169 mmol), xantphos (98 mg, 0.169 mmol), Pd(OAc)2 (10 mg, 0.042 mmol), Cs2CO3 (685 mg, 2.117 mmol) were added at room temperature under nitrogen atmosphere. Reaction mixture was continued for 20 hours at reflux condition. After the completetion of the reaction (monitored by TLC), Reaction mixture was filtered through celite bed and washed with methanol (10 ml),filtrate was concentrated. Crude mass which was purified by column chromatography over silica gel (230-400 mesh) using DCM-Methanol (1:9) as elutant to affordthe products 3a (284 mg) as white solid. All the other compounds 3b-3r were prepared similarly following the above procedure. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
87% | With copper(l) iodide; palladium diacetate; caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; In toluene; for 20.0h;Inert atmosphere; Reflux; | General procedure: To a degassed solution (N2 was purged for 10 min) of <strong>[128156-54-7]methyl 1,3-benzoxazole-4-carboxylate</strong> (150 mg, 0.847mmol) and N-(2-iodophenyl)benzamide 2a (273 mg, 0.847 mmol) in anhydrous toluene (4ml) , CuI (32 mg, 0.169 mmol), xantphos (98 mg, 0.169 mmol), Pd(OAc)2 (10 mg, 0.042 mmol), Cs2CO3 (685 mg, 2.117 mmol) were added at room temperature under nitrogen atmosphere. Reaction mixture was continued for 20 hours at reflux condition. After the completetion of the reaction (monitored by TLC), Reaction mixture was filtered through celite bed and washed with methanol (10 ml),filtrate was concentrated. Crude mass which was purified by column chromatography over silica gel (230-400 mesh) using DCM-Methanol (1:9) as elutant to affordthe products 3a (284 mg) as white solid. All the other compounds 3b-3r were prepared similarly following the above procedure. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
74% | With copper(l) iodide; palladium diacetate; caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; In toluene; for 20.0h;Inert atmosphere; Reflux; | General procedure: To a degassed solution (N2 was purged for 10 min) of <strong>[128156-54-7]methyl 1,3-benzoxazole-4-carboxylate</strong> (150 mg, 0.847mmol) and N-(2-iodophenyl)benzamide 2a (273 mg, 0.847 mmol) in anhydrous toluene (4ml) , CuI (32 mg, 0.169 mmol), xantphos (98 mg, 0.169 mmol), Pd(OAc)2 (10 mg, 0.042 mmol), Cs2CO3 (685 mg, 2.117 mmol) were added at room temperature under nitrogen atmosphere. Reaction mixture was continued for 20 hours at reflux condition. After the completetion of the reaction (monitored by TLC), Reaction mixture was filtered through celite bed and washed with methanol (10 ml),filtrate was concentrated. Crude mass which was purified by column chromatography over silica gel (230-400 mesh) using DCM-Methanol (1:9) as elutant to affordthe products 3a (284 mg) as white solid. All the other compounds 3b-3r were prepared similarly following the above procedure. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | With copper(l) iodide; palladium diacetate; caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; In toluene; for 20.0h;Inert atmosphere; Reflux; | General procedure: To a degassed solution (N2 was purged for 10 min) of <strong>[128156-54-7]methyl 1,3-benzoxazole-4-carboxylate</strong> (150 mg, 0.847mmol) and N-(2-iodophenyl)benzamide 2a (273 mg, 0.847 mmol) in anhydrous toluene (4ml) , CuI (32 mg, 0.169 mmol), xantphos (98 mg, 0.169 mmol), Pd(OAc)2 (10 mg, 0.042 mmol), Cs2CO3 (685 mg, 2.117 mmol) were added at room temperature under nitrogen atmosphere. Reaction mixture was continued for 20 hours at reflux condition. After the completetion of the reaction (monitored by TLC), Reaction mixture was filtered through celite bed and washed with methanol (10 ml),filtrate was concentrated. Crude mass which was purified by column chromatography over silica gel (230-400 mesh) using DCM-Methanol (1:9) as elutant to affordthe products 3a (284 mg) as white solid. All the other compounds 3b-3r were prepared similarly following the above procedure. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
93% | With toluene-4-sulfonic acid; for 0.5h;Inert atmosphere; Reflux; | General procedure: The compound obtained in Example 32-1 (400 mg, 3.20 mmol) triethyl orthoformate (3.2 ml, 19.2 mmol) in solution,para-tosylic acid monohydrate(30 mg, 0.16 mmol) was added dropwise. Under an argon atmosphere, followed by stirring for 30 minutes under reflux conditions, it was solidified after completion of the reaction concentrated to dryness. The residue was purified by silica gel column chromatography (hexane / ethyl acetate) to give the title compound (232 mg, 54%) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
37% | With sodium tetrahydroborate; ethanol; calcium chloride; In tetrahydrofuran; at 20.0℃; for 2.0h; | Example compound obtained in 56-2 (500 mg, 2.82 mmol) in tetrahydrofuran (10 ml), and ethanol (10 ml) solution of calcium chloride (626 mg, 5.64 mmol) was added dissolved at 0 . Sodium borohydride (427 mg, 11.29 mmol) was added and the mixture was stirred for 2 hours at room temperature. After completion of the reaction, 1mol / l hydrochloric acid was added, and the mixture was extracted with ethyl acetate. Dried over anhydrous sodium sulfate, filtered, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (hexane / ethyl acetate) to give the title compound (154 mg, 37%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
46% | With potassium phosphate; palladium diacetate; catacxium A; In 1-methyl-pyrrolidin-2-one; at 125.0℃; for 24.0h;Inert atmosphere; | To a solution of 8-chloro-3-(1-methyl-1H-pyrazol-4-yl)isoquinoline (IntermediateD,310 mg,1.27mmol),<strong>[128156-54-7]methyl benzo[d]oxazole-4-carboxylate</strong> (150 mg,0.85 mmol)and K3P04(539 mg,2.54 mmol)in NMP (8 mL)were added bis(1-adamantyl)-butyl-phosphane (61 mg,10 0.17 mmol)palladium(II)acetate (19 mg,0.08 mmol). The reaction mixture was stirred at roomtemperature for 15 min and heated to 125 oc for 24 h under a nitrogen atmosphere. Aftercooling the reaction to room temperature,the mixture was filtered and concentrated in vacuo.The crude residue was purified by silica gel column chromatography (petroleum ether/EtOAc =3:1)to give the title compound (150 mg,46%)as a brown solid. LCMS M/Z (M+H)385. |
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