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CAS No. : | 100927-10-4 | MDL No. : | MFCD11112229 |
Formula : | C8H18N2O2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | JQXZBJAAOLPTKP-ZCFIWIBFSA-N |
M.W : | 174.24 | Pubchem ID : | 45072490 |
Synonyms : |
|
Num. heavy atoms : | 12 |
Num. arom. heavy atoms : | 0 |
Fraction Csp3 : | 0.88 |
Num. rotatable bonds : | 5 |
Num. H-bond acceptors : | 3.0 |
Num. H-bond donors : | 2.0 |
Molar Refractivity : | 47.79 |
TPSA : | 64.35 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) : | -7.06 cm/s |
Log Po/w (iLOGP) : | 2.11 |
Log Po/w (XLOGP3) : | 0.42 |
Log Po/w (WLOGP) : | 0.86 |
Log Po/w (MLOGP) : | 0.63 |
Log Po/w (SILICOS-IT) : | -0.03 |
Consensus Log Po/w : | 0.8 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -0.85 |
Solubility : | 24.3 mg/ml ; 0.14 mol/l |
Class : | Very soluble |
Log S (Ali) : | -1.34 |
Solubility : | 7.99 mg/ml ; 0.0459 mol/l |
Class : | Very soluble |
Log S (SILICOS-IT) : | -1.31 |
Solubility : | 8.55 mg/ml ; 0.0491 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 2.46 |
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: |
* 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 |
---|---|---|
92% | With palladium 10% on activated carbon; hydrogen In ethyl acetate at 20℃; for 15 h; | To a stirred solution of (S)-tert-butyl 1-azidopropan-2-ylcarbamate (S2-3) (6.0 g, 30 mmol) in ethyl acetate (50.0 mL), 10percent Pd/C (2.3 g) was added. The reaction mixture was stirred under a hydrogen atmosphere (1 atm) for 15 h at room temperature. The reaction mixture was filtered through celite, the celite was washed with ethyl acetate and the filtrate was concentrated under reduced pressure to obtain the title compound S2-4 (4.8 g, 92percent) as a pale yellow solid. 1H NMR (400 MHz, DMSO-d6) δ 0.95 (d, J=6.6 Hz, 3H), 1.36 (s, 9H), 2.49 (m, 2H), 3.32 (m, 1H), 6.49 (br s, 1H) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
35% | With borane-THF In tetrahydrofuran at 20 - 70℃; for 18 h; Inert atmosphere | To a stirred solution of Boc-D-Ala-NH2 (4.600 g, 24.4 mmol, 1.0 equiv.) in anhydrous tetrahydrofuran (100 mL) under nitrogen was added 1.0 M borane-tetrahydrofuran complex in tetrahydrofuran (97.756 mL, 97.8 mmol, 4.0 equiv.). The mixture was stirred for 16 h at room temperature and then heated at 70° C. for 2 h. After cooling, the reaction was quenched with methanol until no bubbles generated. The mixture was heated at 70° C. for 2 h and then concentrated in vacuo. The residue was purified by silica gel column (0-30percent methanol/methylene chloride) to afford the desired product as a colorless oil (1.5 g, 35percent). 1H NMR (300 MHz, CDCl3): δ 4.60 (br s, 1H), 3.65 (m, 1H), 2.75 (dd, 1H, J=12.9, 5.1 Hz), 2.63 (dd, 1H, J=12.9, 6.6 Hz), 1.45 (s, 9H), 1.41 (s, 2H), 1.12 (d, 3H, J=6.3 Hz). |
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