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CAS No. : | 170564-98-4 | MDL No. : | MFCD01311791 |
Formula : | C9H13NO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | SEQXIQNPMQTBGN-SECBINFHSA-N |
M.W : | 151.21 | Pubchem ID : | 7016858 |
Synonyms : |
|
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P501-P260-P264-P280-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P405 | UN#: | 3259 |
Hazard Statements: | H314 | 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 |
---|---|---|
With sodium cyanoborohydride; In dichloromethane; at 20℃; for 16h; | A mixture of 4-methyl-3-oxo-3,4-dihydro-quinoxaline-2-carbaldehyde (0.08 g), sodium cyanoborohydride (0.04 g, 1.5 eq), and (S)-3-AMINO-3-PHENYL-PROPAN-1-OL (65 mg) in dry CHZCLZ (2 mL) was stirred at rt under nitrogen for 16h. The reaction mixture was basified with a sat. NAHCO3 solution, extracted CH2C12. The combined organic extracts were dried (MGS04), filtered and concentrated in vacuo to give a crude oil. FC (CH2C12/MEOH : 9/1) gave the title compound as a yellow oil. LC-MS: Rt = 0.64 min. m/z = 324 (M + 1). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
93% | EXAMPLE 1 Starting compound: (R)-4-Amino-4-phenyl-1-butene Product: (R)-3-Amino-3-phenyl-1-propanol was obtained in a yield of 93% and an enantiomeric excess of 99% White crystals; mp 73-74 C.; 1H-NMR (CDCl3) 1.86 (m, 2H, -CH2CH2OH), 3.76 (t, 2H, -CH2CH2OH), 4.10 (t, 1H, -CH2CH2OH), 7.21-7.35 (m, 5H, Ar-H) | |
93% | (R)-4-Amino-4-phenyl-1-butene (0.04 mol) was dissolved in 200 ml of methanol in a simple ozonolysis apparatus without gas recycling and was cooled to - 200C. The ozone generator was fed continuously with air, as in example 2. A concentration of 20 g/m3 (ST. P.) of ozone was produced and was completely reactive in the ozonolysis apparatus. After the end of the ozonolysis, the reaction solution was added dropwise over the course of 10 min to 100 ml of an ice-cooled methanolic sodium borohydride solution (0.9 mol/l). The reaction solution was then warmed to room temperature and 10 ml of water were added in order to decompose excess sodium borohydride. After the solvent had been distilled off, the residue was extracted several times with dichloromethane and the combined organic phases were dried over sodium sulfate and filtered. After the solvent had been distilled off, 0.37 mol of (R)-3- amino-3-phenyl-1-propanol (melting point 73-74C) were obtained in 99% enantiomeric excess (93% yield). |
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