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CAS No. : | 114214-69-6 | MDL No. : | MFCD02179040 |
Formula : | C10H19NO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | HKIGXXRMJFUUKV-UHFFFAOYSA-N |
M.W : | 201.26 | Pubchem ID : | 5237175 |
Synonyms : |
|
Chemical Name : | tert-Butyl 3-(hydroxymethyl)pyrrolidine-1-carboxylate |
Signal Word: | Danger | Class: | 6.1 |
Precautionary Statements: | P264-P270-P273-P301+P310-P391-P405 | UN#: | 2811 |
Hazard Statements: | H301-H410 | 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 |
---|---|---|
55% | With carbon tetrabromide; triphenylphosphine; In dichloromethane; at 20℃; for 18h; | To a solution of 1 ,1 -dimethylethyl 3-(hydroxymethyl)-1 - pyrrolidinecarboxylate (0.56 g, 2.8 mmol) with carbon tetrabromide (1.39 g, 4.2 mmol) in methylene chloride (10 ml_) was added drop wise a solution of triphenyl phosphine (0.73 g, 2.8 mmol in 5 mL of methylene chloride). Upon completion the mixture was stirred 18 h at room temperature. The solvent was removed at reduced pressure and the residue stirred in 10% ethyl acetate 90% hexane. The <n="54"/>mixture was filtered and the resulting solution chromatographed on silica eluting with a gradient of 0 - 25% EtOAc in hexane to afford the desired compound (0.41 g, 55%). MS (ES+) m/z 264 (M+H)+. |
55% | With carbon tetrabromide; triphenylphosphine; In dichloromethane; at 20℃; for 18h; | To a solution of 1 ,1-dimethylethyl 3-(hydroxymethyl)-1-pyrrolidinecarboxylate (0.56 g, 2.8 mmol) with carbon tetrabromide (1.39 g, 4.2 mmol) in methylene chloride (10 ml.) was added drop wise a solution of triphenyl phosphine (0.73 g, 2.8 mmol in 5 ml. of methylene chloride). Upon completion the mixture was stirred 18 h at room temperature. The solvent was removed at reduced pressure and the residue stirred in 10% ethyl acetate 90% hexane. The mixture was filtered and the resulting solution chromatographed on silica eluting with a gradient of 0 - 25% EtOAc in hexane to afford the desired compound (0.41 g, 55%). MS (ES+) m/z 264 (M+H)+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
73% | Resolution of racemate; | Racemic l-t-butoxycarbonylpyrrolidine-3-methanol (15 g,74.53 mmol) was chromatographed on a chiral column[ChiralPak AD 8 X 25 cm; 2.5% of (6% MeOH/94% EtOH); 400mL/min; UV: 210 nm] to give l-t-butoxycarbonylpyrrolidine-3-methanol:Isomer I (Rt: 8.81 min, ChiralPak AD 4.6 X 250 mm; 1.0mL/min; UV: 210 nm) (6.35 g, 42%, 94% ee) andIsomer II (Rt: 9.68 min)' (6.43 g, 43%, 90% ee) .Isomer I: FIA-MS, m/e: 202.2 (rrH-1) .Isomer II: FIA-MS, m/e: 202.2 (m+1). |
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