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Type | HazMat fee for 500 gram (Estimated) |
Excepted Quantity | USD 0.00 |
Limited Quantity | USD 15-60 |
Inaccessible (Haz class 6.1), Domestic | USD 80+ |
Inaccessible (Haz class 6.1), International | USD 150+ |
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CAS No. : | 645-36-3 | MDL No. : | MFCD00008136 |
Formula : | C6H15NO2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | HJKLEAOXCZIMPI-UHFFFAOYSA-N |
M.W : | 133.19 | Pubchem ID : | 69524 |
Synonyms : |
|
Num. heavy atoms : | 9 |
Num. arom. heavy atoms : | 0 |
Fraction Csp3 : | 1.0 |
Num. rotatable bonds : | 5 |
Num. H-bond acceptors : | 3.0 |
Num. H-bond donors : | 1.0 |
Molar Refractivity : | 35.83 |
TPSA : | 44.48 Ų |
GI absorption : | High |
BBB permeant : | No |
P-gp substrate : | No |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -7.19 cm/s |
Log Po/w (iLOGP) : | 2.09 |
Log Po/w (XLOGP3) : | -0.11 |
Log Po/w (WLOGP) : | 0.34 |
Log Po/w (MLOGP) : | 0.13 |
Log Po/w (SILICOS-IT) : | 0.16 |
Consensus Log Po/w : | 0.52 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -0.27 |
Solubility : | 72.1 mg/ml ; 0.541 mol/l |
Class : | Very soluble |
Log S (Ali) : | -0.37 |
Solubility : | 56.7 mg/ml ; 0.425 mol/l |
Class : | Very soluble |
Log S (SILICOS-IT) : | -1.0 |
Solubility : | 13.2 mg/ml ; 0.0989 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 1.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 2.14 |
Signal Word: | Danger | Class: | 3 |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | 1989 |
Hazard Statements: | H225-H315-H319-H335 | Packing Group: | Ⅲ |
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 |
---|---|---|
52% | With dmap In toluene for 2 h; Reflux | Compound 3 was prepared by the condensation of commercially available aminoacetaldehyde diethyl acetal with the phthalic anhydride (1:1 mol ratio), using toluene under reflux, in the presence of a catalytic amount of DMAP (yield 52percent) for 2 h. In the next step, 2-(2,2-diethoxyethyl)isoindoline-1,3-dione (3) underwent acid hydrolysis (sulphuric acid at 70percent) in reflux for 2 h. After the reaction was completed, it was allowed to reach at room temperature and was then cooled to induce precipitation. The formed precipitate was filtered on a sintered funnel with distilled water, yielding 55percent of the pure product. For the synthesis of 5a and 5b, 2-(1,3-dioxoisoindol-2-yl) acetaldehyde (4) reacted with thiosemicarbazide (in the ratio 1:1) (for 5a) or 4-phenyl-3-thiosemicarbazide (for 5b), in ethanol, under reflux with catalytic amount of HCl (4 drops) for 4 h. The reactions were followed by thin layer chromatographic plate analysis. The formed precipitate was filtered on a sintered funnel with ethanol to yield the pure product (yield 76percent for 5a and 70percent for 5b). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1.49 g | Stage #1: With sodium methylate In methanol at 10 - 35℃; for 0.416667 h; Stage #2: With acetic acid In methanol at 50℃; for 1 h; Stage #3: With hydrogenchloride In methanolReflux |
Step 1: 2-(1H-Imidazol-2-yl)pyrazine 2,2-Diethoxyethanamine (3 g, 2.25 mmol) was dissolved in dry methanol (20 mL). To this was added sodium methoxide (1.22 g, 22.5 mmol, as a 25percent solution in methanol). After stirring for 25 minutes at room temperature, pyrazine-2-carbonitrile (2.37 g, 22.5 mmol) and acetic acid (1.35 g, 22.5 mmol) were added and the subsequent solution was stirred at 50° C. for 1 hour. MeOH (40 mL) and 6N HCl (12 mL) were added and the reaction was stirred at reflux overnight. The reaction mixture was cooled to room temperature and partitioned between 1:1 Et2O and water (60 mL) and the layers were separated. The aqueous layer was basified to pH 9/10 and extracted with 10percent MeOH in DCM. The combined organic extracts were dried (MgSO4), filtered and concentrated to give the desired compound (1.49 g yellow solid). 1H NMR (400 MHz, MeOH-d4) δ ppm: 7.67 (s, 1H), 7.09 (d, J=1.8 Hz, 1H), 6.99 (d, J=2.5 Hz, 1H), 5.72 (s, 2H) |
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