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CAS No. : | 276252-73-4 | MDL No. : | MFCD18250271 |
Formula : | C6H13NO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | HNVIQLPOGUDBSU-WDSKDSINSA-N |
M.W : | 115.17 | Pubchem ID : | 641501 |
Synonyms : |
|
Num. heavy atoms : | 8 |
Num. arom. heavy atoms : | 0 |
Fraction Csp3 : | 1.0 |
Num. rotatable bonds : | 0 |
Num. H-bond acceptors : | 2.0 |
Num. H-bond donors : | 1.0 |
Molar Refractivity : | 36.64 |
TPSA : | 21.26 Ų |
GI absorption : | Low |
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) : | -6.8 cm/s |
Log Po/w (iLOGP) : | 1.9 |
Log Po/w (XLOGP3) : | 0.29 |
Log Po/w (WLOGP) : | 0.0 |
Log Po/w (MLOGP) : | 0.21 |
Log Po/w (SILICOS-IT) : | 1.04 |
Consensus Log Po/w : | 0.69 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -0.74 |
Solubility : | 21.1 mg/ml ; 0.183 mol/l |
Class : | Very soluble |
Log S (Ali) : | -0.3 |
Solubility : | 57.9 mg/ml ; 0.503 mol/l |
Class : | Very soluble |
Log S (SILICOS-IT) : | -1.04 |
Solubility : | 10.5 mg/ml ; 0.0914 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 2.0 |
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 |
---|---|---|
90% | Stage #1: With sodium hydroxide In water at 50 - 120℃; for 1 - 4 h; Stage #2: With hydrogenchloride In water |
The D-mandelate (R,S,S salt 2, 266.5 g, 1 mol) was dissolved in 20percent sodium hydroxide solution (400 ml) and stirred at 50° C. for one hour. This resulted in a clear solution. The bath temperature was increased to 120° C. and the released S,S-DiMeMo was distilled off in an azeotrope with water (at 100° C.) by means of a distillation apparatus. After approx. 300 ml of condensate had distilled over, the distillation receiver was cooled to room temperature and acidified with 10percent HCl. The precipitated mandelic acid was filtered off with suction and dried under reduced pressure. An analysis of the optical purity showed that the D-mandelic acid had racemized fully.The condensate which had distilled over was saturated by adding solid NaOH; an organic phase separated out and was diluted with MTBE (200 ml). Extraction was effected with MTBE (2.x.100 ml), and the extracts were combined, dried over Na2SO4 and concentrated by rotary evaporation. 101 g of crude product were obtained and were fractionated in a water-jet pump vacuum. The pure S,S-DiMeMo distilled over at 37-39° C./14 mm. 88 g (18percent based on trans-DiMeMo racemate used) of S,S-DiMeMo were obtained as clear oil.Rotation [α]D=-6.15°(pure, d=0.94 g*cm-3). According to GC analysis, the optical purity of the isolated S,S-DiMeMo was 97.9percent ee. |
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