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CAS No. : | 109179-31-9 | MDL No. : | MFCD18392002 |
Formula : | C8H7BrO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | CYQUDJGXCABLPN-UHFFFAOYSA-N |
M.W : | 199.05 | Pubchem ID : | 13707076 |
Synonyms : |
|
Num. heavy atoms : | 10 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.12 |
Num. rotatable bonds : | 1 |
Num. H-bond acceptors : | 1.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 44.5 |
TPSA : | 17.07 Ų |
GI absorption : | High |
BBB permeant : | Yes |
P-gp substrate : | No |
CYP1A2 inhibitor : | Yes |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -5.78 cm/s |
Log Po/w (iLOGP) : | 1.95 |
Log Po/w (XLOGP3) : | 2.44 |
Log Po/w (WLOGP) : | 2.57 |
Log Po/w (MLOGP) : | 2.52 |
Log Po/w (SILICOS-IT) : | 3.12 |
Consensus Log Po/w : | 2.52 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 2.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -2.99 |
Solubility : | 0.204 mg/ml ; 0.00102 mol/l |
Class : | Soluble |
Log S (Ali) : | -2.44 |
Solubility : | 0.72 mg/ml ; 0.00362 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -3.59 |
Solubility : | 0.0512 mg/ml ; 0.000257 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 1.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 1.13 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
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* 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 |
---|---|---|
95% | With pyridinium chlorochromate In dichloromethane at 20℃; | A solution of the (2-bromo-3-methylphenyl)methanol 35 (100mg, 0.49mmol, 1equiv), PCC (161mg, 0.75mmol, 1.5equiv), and Celite (0.48mg) in anhydrous CH2Cl2 (4.5mL) was stirred at room temperature overnight. The mixture was quenched by addition of brine and extracted with Et2O. Combined organic layers were washed with water, brine, dried over Na2SO4, filtered, and concentrated under reduced pressure. Crude product was passed through a silica/Celite plug and concentrated to give 36 (94mg, 95percent) as a white solid. Rf=0.57 (Pentane/Et2O 95:5). 1H NMR (400MHz, CDCl3) δ (ppm)=10.45 (d, 4J=0.8Hz, 1H, H-8), 7.75–7.73 (m, 1H, H-6), 7.48 (ddd, 3J=7.6Hz, 4J=1.6Hz, 5J=0.8Hz, 1H, H-4), 7.32 (br t, 3J=7.6Hz, 1H, H-5), 2.48 (s, 3H, H-7). 13C NMR (125MHz, CDCl3) δ (ppm)=192.8 (C-8), 139.7 (C-3), 136.4 (C-4), 134.1 (C-1), 129.7 (C-2), 127.52 (C-5 or 6), 127.45 (C-5 or 6), 23.0 (C-7). IR (CDCl3) ν (cm−1)=3339, 2982, 2920, 2866, 1889, 1695, 1674, 1573, 1448, 1373, 1237, 1031, 912, 779, 690, 536. HRMS (GC FI, 10,000V) calculated for C8H7BrO [M+·] 197.96803, found 197.96767 (Diff.: −1.80ppm). Mp=50°C. |
89% | With pyridinium chlorochromate In dichloromethane at 20℃; | [00203] A flask was charged with (2-bromo-3-methylphenyl)methanol (5.00 g, 24.9 mmol, 1.00 equiv), pyridinium chlorochromate (16.2 g, 75.0 mmol, 3.00 equiv), and DCM (70 mL). The resulting solution was stirred overnight at rt and concentrated. The residue was chromatographed on a silica gel column (20:80 EtOAc/petroleum ether) to provide 2-bromo-3-methylbenzaldehyde (4.40 g, 89percent yield) as a white solid. GCMS (EI, m/z): 198 [M]+. |
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