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| | N-METHYL-4-PIPERIDINECARBOXYLIC ACID METHYL ESTER Basic information |
| Product Name: | N-METHYL-4-PIPERIDINECARBOXYLIC ACID METHYL ESTER | | Synonyms: | N-METHYL-4-PIPERIDINECARBOXYLIC ACID METHYL ESTER;N-METHYLPIPERIDINE-4-CARBOXYLIC ACID METHYL ESTER;1-METHYL-PIPERIDINE-4-CARBOXYLIC ACID METHYL ESTER;1-METHYL-4-PIPERIDINECARBOXYLIC ACID METHYL ESTER;Methyl N-methyl-4-piperidinecarboxylate;1-methylisonipecotic acid methyl ester;Methyl-4-piperidine carboxylic acid methyl ester;Methyl N-methylPiperidine-4-carboxylate1 | | CAS: | 1690-75-1 | | MF: | C8H15NO2 | | MW: | 157.21 | | EINECS: | 000-000-0 | | Product Categories: | Pyridine series | | Mol File: | 1690-75-1.mol |  |
| | N-METHYL-4-PIPERIDINECARBOXYLIC ACID METHYL ESTER Chemical Properties |
| Boiling point | 202°C(lit.) | | density | 1.0806 (rough estimate) | | refractive index | 1.4520 to 1.4560 | | storage temp. | Sealed in dry,Room Temperature | | form | clear liquid | | pka | 8.43±0.10(Predicted) | | color | Colorless to Light yellow | | InChI | InChI=1S/C8H15NO2/c1-9-5-3-7(4-6-9)8(10)11-2/h7H,3-6H2,1-2H3 | | InChIKey | KYAOKPRJTMFBTQ-UHFFFAOYSA-N | | SMILES | N1(C)CCC(C(OC)=O)CC1 |
| | N-METHYL-4-PIPERIDINECARBOXYLIC ACID METHYL ESTER Usage And Synthesis |
| Synthesis | To a stirred solution of methyl 4-piperidinecarboxylate (7.00 mmol) in methanol (25 mL) was sequentially added formic acid (5.52 g, 12.00 mmol) and 40% aqueous formaldehyde (2.67 g, 35.00 mmol). The reaction mixture was heated to reflux. after 3 h, the reaction mixture was cooled and concentrated under reduced pressure. The residue was dissolved in water, alkalized with sodium bicarbonate solution and extracted with dichloromethane (3 x 30 mL). The organic layers were combined, dried with anhydrous magnesium sulfate, filtered and concentrated under reduced pressure to give methyl N-methyl-4-piperidinecarboxylate in brown liquid form (yield: 910 mg). NMR hydrogen spectrum (270 MHz, CDCl3, TMS as internal standard) δ: 1.69-2.03 (6H, m), 2.23-2.32 (4H, m), 2.78-2.83 (2H, m), 3.68 (3H, s). Mass spectrum (APCI) m/z: 158 ([M+H]+, 100%), 126 (C7H12ON, 33%). | | References | [1] Patent: WO2004/58259, 2004, A1. Location in patent: Page/Page column 26-27 |
| | N-METHYL-4-PIPERIDINECARBOXYLIC ACID METHYL ESTER Preparation Products And Raw materials |
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