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CAS No. : | 740799-82-0 | MDL No. : | MFCD16250128 |
Formula : | C9H10O4 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | ONNFZKHTMFVKNY-UHFFFAOYSA-N |
M.W : | 182.17 | Pubchem ID : | 59016598 |
Synonyms : |
|
Num. heavy atoms : | 13 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.22 |
Num. rotatable bonds : | 2 |
Num. H-bond acceptors : | 4.0 |
Num. H-bond donors : | 2.0 |
Molar Refractivity : | 46.73 |
TPSA : | 66.76 Ų |
GI absorption : | High |
BBB permeant : | Yes |
P-gp substrate : | No |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -6.4 cm/s |
Log Po/w (iLOGP) : | 1.74 |
Log Po/w (XLOGP3) : | 1.43 |
Log Po/w (WLOGP) : | 1.19 |
Log Po/w (MLOGP) : | 1.06 |
Log Po/w (SILICOS-IT) : | 1.21 |
Consensus Log Po/w : | 1.33 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -2.08 |
Solubility : | 1.52 mg/ml ; 0.00832 mol/l |
Class : | Soluble |
Log S (Ali) : | -2.44 |
Solubility : | 0.666 mg/ml ; 0.00366 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -1.71 |
Solubility : | 3.54 mg/ml ; 0.0195 mol/l |
Class : | Soluble |
PAINS : | 1.0 alert |
Brenk : | 1.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 1.56 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319 | 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 |
---|---|---|
83% | for 18 h; Heating / reflux | To a round bottom flask equipped with magnetic stirring and a reflux condenser was added 3,4-dihydroxy-2-methylbenzoic acid (23.3 g, 139 mmol), methanol (139 mL), and concentrated sulfuric acid (0.77 mL, 13.9 mmol). This mixture was heated to reflux for 18 hours. The reaction was cooled to room temperature and the methanol evaporated. The residue was taken up in ether and washed once with saturated sodium bicarbonate solution, once with saturated sodium chloride solution, dried over sodium sulfate, filtered and evaporated to give a brown solid, methyl-3,4-dihydroxy-2-methylbenzoate, (20.9 g, 114 mmol) in 83percent yield. 1H-NMR (300 MHz, CD3COCD3) δ (ppm): 2.47 (s, 3H), 3.79 (s, 3H), 6.78 (d, 1H), 7.46 (d, 1H); TLC: Rf=0.54 (1:1 ethyl acetate/hexane). |
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