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CAS No. : | 144222-22-0 | MDL No. : | MFCD01076207 |
Formula : | C11H22N2O2 | Boiling Point : | - |
Linear Structure Formula : | NCO2C4H9(CH2)4CHCH2NH2 | InChI Key : | KLKBCNDBOVRQIJ-UHFFFAOYSA-N |
M.W : | 214.30 | Pubchem ID : | 736817 |
Synonyms : |
|
Chemical Name : | 1-Boc-4-(Aminomethyl)piperidine |
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 |
---|---|---|
100% | In methanol; for 2h;Heating / reflux; | [0538] A solution of 643 mg (3.00 mmol) tert. butyl-4-aminomethyl-piperidin-1-carboxylate and 471 mg (3.00 mmol) <strong>[31872-62-5]4-methoxy-3-nitro-pyridine</strong> in 5 mL MeOH was refluxed for 2 hours and then evaporated down i. vac. The crude product was purified by column chromatography (silica gel, gradient dichloromethane/MeOH 100:0-->19:1 v/v) (Yield: 1.010 g, quantitative). [0539] The intermediate product was added to a suspension of 500 mg Raney nickel in 30 mL MeOH and the mixture was hydrogenated for 6 hours at 50° C. and 50 psi H2-pressure. The catalyst was filtered off and the filtrate evaporated i. vac. The crude product was purified by column chromatography (Alox (neutral, activity II-III), Gradient dichloromethane/MeOH 99:1-->19:1 v/v) purified. [0540] Yield: 0.480 g (53percent of theory) [0541] Rf=0.15 (silica gel, dichloromethane/MeOH 19/1 v/v) [0542] ESI-MS: (M+H)+=307 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
38% | With 4-methyl-morpholine; In dichloromethane; | EXAMPLE 18 N-(N-tert.butoxycarbonyl-piperidin-4-yl-methyl)-3-(4'-trifluoromethylbiphenyl-2-carbonylamino)-benzoic acid amide Prepared analogously to Example 7 from 3-(4'-trifluoromethylbiphenyl-2-carbonylamino)-benzoic acid and N-tert.butoxy-carbonyl-piperidin-4-yl-methylamine in dichloromethane with the addition of propanephosphonic acid cycloanhydride and N-methylmorpholine. Yield:38% of theory Rf value:0.68 (silica gel; dichloromethane/ethanol=9:1) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
85% | With triethylamine; In dichloromethane; water; | Reference Example 29 Preparation of 1-(tert-Butoxycarbonyl)-4-[{N-(3-(trifluoromethyl)benzoyl)glycyl}aminomethyl]piperidine N-{3-(Trifluoromethyl)benzoyl}glycine (4.22 g, 17.0 mmol), EDCI (4.25 g, 22.1 mmol), 1-hydroxybenzotriazole hydrate (2.99 g, 22.1 mmol) and Et3N (1.72 g) were added to a solution of 1-(tert-butoxycarbonyl)-4-(aminomethyl)piperidine (4.03 g) in dry CH2Cl2 (200 mL). The reaction mixture was stirred at 25 C. for 20 h. H2O (100 mL) was added to the reaction mixture and the mixture was extracted with CH2Cl2 (2*50 mL). The combined extracts were washed with H2O (2*50 mL), brine (50 mL) and dried (MgSO4). The solvent was removed under reduced pressure to afford an yellow oil which was purified by column chromatography (SiO2, 70% EtOAc-hexane) to give 1-(tert-butoxycarbonyl)-4-[{N-(3-(trifluoromethyl)benzoyl)glycyl}aminomethyl]piperidine as a white solid (6.39 g, 85%): 1H-NMR (CDCl3, 300 MHz) delta1.4 (s, 9H), 1.0-1.8 (m, 5H), 2.6-2.8 (m, 2H), 3.15-3.3 (m, 2H), 4.0-4.3 (m, 4H), 6.6-6.7 (m, 1H), 7.64 (s, 1H), 7.60 (dd, 1H, J=7.2, 7,2 Hz), 7.79 (d, 1H, J=7,2 Hz), 8.0 (d, 1H, J=7.2 Hz), 8.11 (s, 1H); The purity was determined by RPLc/MS (97); ESI/MS m/e 444.3 (M++H, C21H28F3N3O4). |
85% | With triethylamine; In dichloromethane; water; | [Reference Example 29] Synthesis of 1-(tert-butoxycarbonyl)-4-[[N-(3-(trifluoromethyl)benzoyl)glycyl]aminomethyl]piperidine N-[3-(Trifluoromethyl)benzoyl]glycine (4.22 g, 17.0 mmol), EDCI (4.25 g, 22.1 mmol), 1-hydroxybenzotriazole hydrate (2.99 g, 22.1 mmol) and triethylamine (1.72 g) were added to an anhydrous dichloromethane (200 mL) solution of 1-(tert-butoxycarbonyl)-4-(aminomethyl)piperidine (4.03 g). The resulting reaction mixture was stirred at 25 C for 20 hours, and H2O (100 mL) was then added to the mixture. The obtained mixture was extracted with dichloromethane (50 mL * 2). The extracts were combined, washed with H2O (50 mL * 2) and brine (50 mL), dried (over MgSO4) and concentrated to thereby afford a yellow oil. The obtained crude product was purified by column chromatography (SiO2,70% ethyl acetate-hexane) to provide 1-(tert-butoxycarbonyl)-4-[[N-(3-(trifluoromethyl)benzoyl)glycyl]aminomethyl]piperidine as a white solid (6.39 g, 85%). 1H NMR(CDCl3, 300MHz) delta 1.4 (s, 9H), 1.0-1.8 (m, 5H), 2.6-2.8 (m, 2H), 3.15-3.3 (m, 2H), 4.0-4.3 (m, 4H), 6.6-6.7 (m, 1H), 7.64 (s, 1H), 7.60 (dd, 1H, J = 7.2, 7.2 Hz), 7.79 (d, 1H, J = 7.2 Hz), 8.0 (d, 1H, J = 7.2 Hz), 8.11 (s, 1H). The purity was determined by RPLC/MS (97%). ESI/MS m/e 444.3 (M++H, C21H28N3O4). |
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