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CAS No. : | 13031-43-1 | MDL No. : | MFCD00017229 |
Formula : | C10H10O3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | SMIOEQSLJNNKQF-UHFFFAOYSA-N |
M.W : | 178.18 | Pubchem ID : | 83063 |
Synonyms : |
|
Num. heavy atoms : | 13 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.2 |
Num. rotatable bonds : | 3 |
Num. H-bond acceptors : | 3.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 48.14 |
TPSA : | 43.37 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) : | -6.47 cm/s |
Log Po/w (iLOGP) : | 1.95 |
Log Po/w (XLOGP3) : | 1.29 |
Log Po/w (WLOGP) : | 1.81 |
Log Po/w (MLOGP) : | 1.59 |
Log Po/w (SILICOS-IT) : | 2.06 |
Consensus Log Po/w : | 1.74 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -1.9 |
Solubility : | 2.24 mg/ml ; 0.0126 mol/l |
Class : | Very soluble |
Log S (Ali) : | -1.8 |
Solubility : | 2.82 mg/ml ; 0.0158 mol/l |
Class : | Very soluble |
Log S (SILICOS-IT) : | -2.81 |
Solubility : | 0.278 mg/ml ; 0.00156 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 1.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 1.26 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | 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 |
---|---|---|
12.25 g (94%) | With N-ethyl-N,N-diisopropylamine; In dichloromethane; | EXAMPLE 1 2-(4-Hydroxyphenyl)-6-(4-morpholinyl)-4H-pyran-4-one (Compound 1) 4'-Hydroxyacetophenone (10 g, 73.4 mmole) was suspended in 200 ml dichloromethane in a 500 ml one neck round bottom flask under nitrogen at 0 C. The suspension was treated with diisopropylethylamine (14.7 ml, 84.5 mmole) followed by acetyl chloride (6.0 ml, 84.5 mmole) in 1*50 ml dichloromethane slowly dropwise. The reaction mixture was stirred 30 minutes at 0 C. and then for 1 hour at room temperature. The mixture was washed with 1*100 ml 10% hydrochloric acid and the organics were dried over magnesium sulfate. The dried organics were concentrated in vacuo to a yellow oil. The oil was distilled via kugelrohr (high vacuum, 165 C.) to give 12.25 g (94%) of 4'-acetoxy-acetophenone as a white solid. |
Clean and dry 250-ml two neck RB flask was takenand fitted with condenser and addition funnel. About.5 mol of 4-hydroxyacetophenone was taken and 200 mlof chloroform was added to it with stirring. The reactionmixture was cooled at 5-10C and .5 mol of acetyl chloridewas added dropwise to the reaction mixture. Stirringwas continued for another 15 min and .5 mol of potassiumcarbonate was slowly added. Reaction was continuedfor another 4 h and monitored using TLC. Thereaction mass was transferred into 1-l beaker and washedtwice with water (2 × 250 ml). The chloroform layer wasseparated and washed with 10% NaOH solution (2 ×250 ml). The chloroform layer formed was separated and dried with anhydrous sodium sulphate. The chloroformlayer was filtered and concentrated under reduced pressureusing rotary vacuum, cooled and hexane was addedto it. Solid was precipitated which is filtered and the productwas air dried (Figure 2(a)). | ||
1660 g | With sodium carbonate; In ethyl acetate; at 20 - 30℃; for 8h;Large scale; | In a 10L reaction flask, 4080 g of ethyl acetate, 1360 g of p-hydroxyacetophenone, and 1272 g of sodium carbonate were sequentially added, and stirring was started, and 1335 g of acetyl chloride was added dropwise at a controlled temperature of 20-30 C.After the dropwise addition was completed, the mixture was kept under stirring for 8 hours, and then filtered. The filtrate was washed and separated with 3022 g of an 8% aqueous sodium hydrogen carbonate solution. The organic layer was recovered by distillation, and 1380 g of hexane was added to the concentrated residue. After the cake was dried, 1660 g of acetoxyacetophenone was obtained, and the HPLC purity was> 99.9%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
EXAMPLE 6 The following example illustrates the reaction of 4-hydroxyacetophenone (4-HAP) with acetic anhydride to form 4-acetoxyacetophenone (4-AAP). |
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