Structure of 194851-16-6
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Batch number can be found on the product's label following the word 'Batch'.
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CAS No. : | 194851-16-6 |
Formula : | C8H5BrN2O |
M.W : | 225.04 |
SMILES Code : | O=C1NC=NC2=C1C=CC(Br)=C2 |
MDL No. : | MFCD07838323 |
InChI Key : | FUGKKMYSCAYXJJ-UHFFFAOYSA-N |
Pubchem ID : | 135555612 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H332-H335 |
Precautionary Statements: | P261-P280-P305+P351+P338 |
Num. heavy atoms | 12 |
Num. arom. heavy atoms | 10 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 0 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 50.06 |
TPSA ? Topological Polar Surface Area: Calculated from |
45.75 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.5 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.46 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.69 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.86 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.75 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.85 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.77 |
Solubility | 0.381 mg/ml ; 0.00169 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.03 |
Solubility | 2.11 mg/ml ; 0.0094 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-4.09 |
Solubility | 0.0181 mg/ml ; 0.0000804 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 |
-6.64 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 |
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) |
1.66 |
* 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 |
---|---|---|
71% | With trifluoroacetic acid; In ISOPROPYLAMIDE; at 160℃; for 0.5h;Microwave radiation; | To a solution of <strong>[112253-70-0]2-amino-4-bromo-benzamide</strong> (1 equiv) in DMA (0.14 M) were added triethyl orthoformate (10 equiv) and trifluoroacetic acid (1 equiv). The reaction vessel was sealed and exposed to microwave radiation (160 0C, medium absorption setting) for 30 minutes. The reaction mixture was concentrated in vacuo and the residue was filtered through a silica pad with 10 % methanol in ethyl acetate yielding the required product as a pale yellow solid. <n="121"/>7-Bromo-3H-quinazolin-4-one: (71 % yield, 100 % purity) m/z (LC-MS, ESP): 268 [M+H]+ R/T = 2.94 min |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
84% | With sodium methylate; In ethanol; for 1.5h;Heating / reflux; | 2) 4-Bromoanthranilic amide (40 g, 186 mmol) obtained in 1) was dissolved in ethanol (400 mL). Thereto was added sodium methoxide (54.2 g, 93 mmol) with stirring under ice-cooling and then ethyl formate (60.1 mL, 744 mmol) was added dropwise. The mixture was heated under reflux for 1.5 hrs. The reaction mixture was allowed to cool to room temperature and water (500 mL) was added and then acetic acid (40 mL) was added. The mixture was concentrated under reduced pressure and water (200 mL) was added. The precipitate was collected by filtration and dried to give 7-bromo-3H-quinazolin-4-one (35 g, 156 mmol, 84%). 7-bromo-3H-quinazolin-4-one [0153] 1H NMR (DMSO-d6) delta ppm: 7.68 (dd, J=1.7, 8.5 Hz, 1H), 7.88 (d, J=1.7 Hz, 1H), 8.03 (d, J=8.5 Hz, 1H), 8.14 (s, 1H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | With [Cp*Ir(2,2'-bpyO)(H2O)]; caesium carbonate; at 130℃; for 2h;Microwave irradiation; Inert atmosphere; | 2-Amino-4-bromobenzamide (107 mg, 0.5 mmol), [Cp * Ir (2,2'-bpyO) (H2O)](5.4 mg, 0.005 mmol, 1 mol%),Cesium carbonate (49 mg, 0.15 mmol, 0.3 equiv.) And methanol (0.5 ml) were sequentially added to a dried 5 mL microwave reaction tube.The tube was nitrogen protected and placed in a single mode pressure microwave synthesizer (Discover CEM, USA). After the reaction mixture was reacted at 130 C for 2 hours, it was cooled to room temperature. Rotary evaporation to remove the solvent,Pure target compound was then obtained by column chromatography (developing solvent: petroleum ether / ethyl acetate), yield: 80% |
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