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CAS No. : | 18650-39-0 | MDL No. : | MFCD00672366 |
Formula : | C7H14ClNO2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | APCHKWZTSCBBJX-RGMNGODLSA-N |
M.W : | 179.64 | Pubchem ID : | 13246232 |
Synonyms : |
|
Chemical Name : | Methyl (S)-piperidine-2-carboxylate hydrochloride |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-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 thionyl chloride; at 0 - 20℃; | (S)-Piperidme-2-carboxylic acid (10.00 g, 77.46 mmol) in methanol (200ml) at 0°Cwas added thionyl chloride (15.0 ml, 205.61 mmol) under Ar. The mixture was stirred at 0°C for 30 min, then RT overnight, evaporated and crystallized with EtOH to afford the title product (9.90 g, 92percent yield). EIMS m/z 144.1 ( | M ]++I I ). |
79.1% | With thionyl chloride; at 0 - 70℃; for 4h; | To a solution of (i)-piperidine-2-carboxylic acid ( 10.0 g. 77.4 mmol) in MeOH (50 mL) was added thionyl chloride (8.5 mL, 1 17.2 mmol) dropwise at 0 °C. The mixture was stirred at 0 °C for 1 hr and at 70 °C for another 3 hrs. After the reaction was completed, the mixture was concentrated in vacuo to give the title compound as a white solid (11.0 g, 79.1percent). The compound was characterized by the following spectroscopic data: MS (ESI, pos.ion) m/z: 144.1 [M+H] +; NMR (400 MHz, CDC13) delta (ppm): 5.02 (br, 1 H), 4.00 (br, 1 H), 3.85 (s, 3H), 3.63 (br, 1 H), 3.15 (br, 1 H), 2.28 (m, 1 H), 2.08 (m, 2H), 1.86 (m. 2H), 1.63 (br, 1H). |
79.1% | With thionyl chloride; at 0 - 70℃; for 4h; | To a solution of L(-)-pipecolinic acid (10.0 g.77.4 mmol) in MeOH (50 mL) was added thionyl chloride (8.5 mL 117.2 mmol) dropwise at 0 °C. At the end of the addition, the mixture was stirred at 0 °C for 1.0 hr and then at 70 °C for another 3.0 hrs. After the reaction was completed, the mixture was concentrated in vacuo to give the title compound as a white solid (11.0 g.79.1percent). The compound was characterized by the following spectroscopic data:MS (LSI. pos.ion) w r: 144.1 [M+H] : and NMR (400 MHz. CDCl;,)i)(ppm): 5.02 (br. lH).4.00(br.1 H).3.85 (s.3H).3.63 (br. lH).3.15(br. lH). 2.28 (m.1H).2.08 (m.2H).1.86 (m.2H).1.63 (br.1H). |
With thionyl chloride; at 0 - 70℃; for 4h; | 11655] To a solution of (s)-piperidine-2-carboxylic acid (10.0 g, 77.4 mmol) in MeOH (50 mE) was added thionyl chloride (8.5 mE, 117.2 mmol) dropwise at 0° C. The mixture was stirred at 0° C. for 1 hr and at 70° C. for another 3 hrs. Afier the reaction was completed, the mixture was concentrated in vacuo to give the title compound as a white solid (11.0 g, 79.1percent). The compound was characterized by the following spectroscopic data:11656] MS (ESI, pos.ion) mlz: 144.1 [M+H]11657] ?H NMR (400 MHz, CDC13) oe (ppm): 5.02 (br, 1H),4.00 (br, 1H), 3.85 (s, 3H), 3.63 (br, 1H), 3.15 (br, 1H), 2.28 (m, 1H), 2.08 (m, 2H), 1.86 (m, 2H), 1.63 (br, 1H). |
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