Structure of 96568-35-3
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CAS No. : | 96568-35-3 |
Formula : | C12H18N2 |
M.W : | 190.28 |
SMILES Code : | CNC1CN(CC2=CC=CC=C2)CC1 |
MDL No. : | MFCD00191308 |
InChI Key : | UEAYAIWNQQWSBK-UHFFFAOYSA-N |
Pubchem ID : | 13787478 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P301+P312-P302+P352-P304+P340-P305+P351+P338 |
* 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 |
---|---|---|
In methanol; at 20.0℃; | 3-(Methylamino)-1-acetylpyrrolidine was prepared from 3-(methylamino)-1-benzylpyrrolidine (TCI America) after four steps: i) (Boc)2O, MeOH, rt; ii) H2 (1 atm), 10% Pd/C, EtOH; iii) AcCl, i-Pr2NEt, CH2Cl2; iv) CF3CO2H, CH2Cl2. (m/z): [M+H]+calcd for C7H14N2O: 143.12; found, 143.0. | |
In methanol; at 20.0℃; | 3-(Methylamino)-1-acetylpyrrolidine was prepared from 3-(methylamino)-1-benzylpyrrolidine (TCI America) after four steps: i) (Boc)2O, MeOH, rt; ii) H2 (1 atm), 10% Pd/C, EtOH; iii) AcCl, i-Pr2NEt, CH2C1-2; iv) CF3CO2H, CH2Cl2. (m/z): [M+H]+ calcd for C7H14N2O: 143.12; found, 143.0. | |
In methanol; at 20.0℃; | 3-(Methylamino)-1-acetylpyrrolidine was prepared from 3-(methylamino)-1-benzylpyrrolidine (TCI America) after four steps: i) (Boc)2O, MeOH, rt; ii) H2 (1 atm), 10% Pd/C, EtOH; iii) AcCl, i-Pr2NEt, CH2Cl2; iv) CF3CO2H, CH2Cl2. (m/z): [M+H]+ calcd for C7H14N2O: 143.12; found, 143.0. |
In methanol; at 20.0℃; | 3-(Methylamino)-1-acetylpyrrolidine was prepared from 3-(methylamino)-1-benzylpyrrolidine (TCI America) after four steps: i) (Boc)2O, MeOH, rt; ii) H2 (1 atm), 10% Pd/C, EtOH; iii) AcCl, i-Pr2NEt, CH2Cl2; iv) CF3CO2H, CH2Cl2. (m/z): [M+H]+ calcd for C7H14N2O: 143.12; found, 143.0.; 3-(Methylamino)-1-(methanesulfonyl)pyrrolidine was prepared from 3-(methylamino)-1-benzylpyrrolidine after four steps: i) (Boc)2O, MeOH, rt; ii) H2 (1 atm), 10% Pd/C, EtOH; iii) CH3SO2Cl, i-Pr2NEt, CH2Cl2; iv) CF3CO2H, CH2Cl2. (m/z): [M+H]+ calcd for C6H14N2O2S: 179.08; found, 179.2. 3R-Methylamino-1-(methanesulfonyl)pyrrolidine was prepared in a similar manner from (3R)-(methylamino)-1-benzylpyrrolidine. | |
In methanol; at 20.0℃; | 3-(Methylamino)-1-(methanesulfonyl)pyrrolidine was prepared from 3-(methylamino)-1-benzylpyrrolidine after four steps: i) (Boc)2O, MeOH, rt; ii) H2 (1 atm), 10% Pd/C, EtOH; iii) CH3SO2Cl, i-Pr2NEt, CH2Cl2; iv) CF3CO2H, CH2Cl2. (m/z): [M+H]+ calcd for C6H14N2O2S: 179.08; found, 179.2. | |
In methanol; for 48.0h; | A mixture of EXAMPLE 1H (3.54 g) and methanol-washed Raney Nickel (16 g) in 20% ammonia in methanol (w/w) (60 mL) at 25 C. in a Paar apparatus was stirred under 60 pounds per square inch of hydrogen gas for 1 hour, filtered through diatomaceous earth (Celite), and concentrated. The concentrate was dissolved in methanol (30 mL), treated with di-tert-butyl dicarbonate (4.9 g), stirred for 48 hours, poured into distilled water, and extracted with ethyl acetate. The extract was washed with 1% hydrochloric acid, water, and brine, dried over anhydrous sodium sulfate, and concentrated. 1H NMR (300 MHz, CDCl3) δ 7.32 (s, 5H), 5.07 (m, 1H), 3.54 (s, 2H), 3.10 (b, 2H), 2.7 (m, 1H), 2.70 (m, 1H), 2.54 (m, 1H), 2.40 (m, 2H), 2.00(b, 1H), 1.80 (b, 1H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Following the procedure of Example 74 using 5,5-Dioxo-2-(4-nitrobenzoxy-carbonylamino)dibenzothiophene (Example 24) and the appropriate amine the following compounds were prepared. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With ammonia; hydrogen; nickel; In methanol; at 25.0℃; under 3102.97 Torr; for 1.0h;Paar apparatus; | A mixture of EXAMPLE 1H (3.54 g) and methanol-washed Raney Nickel (16 g) in 20% ammonia in methanol (w/w) (60 mL) at 25 C. in a Paar apparatus was stirred under 60 pounds per square inch of hydrogen gas for 1 hour, filtered through diatomaceous earth (Celite), and concentrated. The concentrate was dissolved in methanol (30 mL), treated with di-tert-butyl dicarbonate (4.9 g), stirred for 48 hours, poured into distilled water, and extracted with ethyl acetate. The extract was washed with 1% hydrochloric acid, water, and brine, dried over anhydrous sodium sulfate, and concentrated. 1H NMR (300 MHz, CDCl3) δ 7.32 (s, 5H), 5.07 (m, 1H), 3.54 (s, 2H), 3.10 (b, 2H), 2.7 (m, 1H), 2.70 (m, 1H), 2.54 (m, 1H), 2.40 (m, 2H), 2.00(b, 1H), 1.80 (b, 1H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
3-(N-Acetyl-N-methylamino)pyrrolidine STR26 3-Amino-1-benzylpyrrolidine [J. Med. Chem., 11, 1034 (1968)] was allowed to react with formic acid and formamide to give 1-benzyl-3-formylaminopyrrolidine. This compound was reduced with sodium bis(2-methoxyethoxy)-aluminium hydride to give 1-benzyl-3-methylaminopyrrolidine, b.p. 134-136 C./5-6 mmHg. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With acetic anhydride; In palladium-carbon; | This compound was treated with acetic anhydride to give 3-(N-acetyl-N-methylamino)-1-benzylpyrrolidine, b.p. 144-147 C./0.5 mmHg. This compound was hydrogenated catalytically in the presence of 5% palladium-carbon to give 3-(N-acetyl-N-methylamino)-pyrrolidine as an oil. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
3- (Methylamino)-l-acetylpyrrolidine was prepared from 3-(methylamino)-1- benzylpyrrolidine (TCI America) after four steps: i) (Boc) 2O, MeOH, rt; ii) H2 (1 atm), 10% Pd/C, EtOH; iii) AcCI, i-Pr2NEt, CH2C12 ; iv) CF3CO2H, CH2C12. (m/z) : [M+H] + calcd for C7Hl4N20 : 143.12 ; found, 143.0. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
3-(Methylamino)-l-(methanesulfonyl) pyrrolidine was prepared from 3-(methylamino)-1-benzylpyrrolidine after four steps: i) (Boc) 20, MeOH, rt; ii) H2 (1 atm), 10% Pd/C, EtOH ; iii) CH3SO2Cl, i-Pr2NEt, CH2C12 ; iv) CF3C02H, CH2Cl2. (m/z) : [M+H] + calcd for C6H14N202S : 179.08 ; found, 179.2. 3R-Methylamino-l- (methanesulfonyl) pyrrolidine was prepared in a similar manner from (3R)- (methylamino)- 1-benzylpyrrolidine. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
28 mg | Example 22 A mixture of 2-(difluoromethyl)-1-[2-(methylsulfonyl)-6-morpholin-4-ylpyrimidin-4-yl]-1H-benzimidazole (100 mg), <strong>[96568-35-3]1-benzyl-3-(methylamino)pyrrolidine</strong> (93 mg), potassium carbonate (50 mg), and N,N-dimethylacetamide (2.5 mL) was stirred in a microwave reactor at 100 C. for 1 hour. The reaction mixture was cooled to room temperature and then poured into water, followed by extraction with ethyl acetate. The organic layer was washed with saturated brine and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure and then the residue was purified by amino silica gel column chromatography (hexane:ethyl acetate=80:20-50:50). Desired fractions were combined and concentrated under reduced pressure. The residue was dissolved in 1,4-dioxane, and a 4 M solution (61 μL) of hydrogen chloride in 1,4-dioxane was added thereto. Further, diisopropyl ether (10 mL) was added thereto. The resulting powder was collected by filtration, washed with diisopropyl ether, and dried under reduced pressure to obtain N-(1-benzylpyrrolidin-3-yl)-4-[2-(difluoromethyl)-1H-benzimidazol-1-yl]-N-methyl-6-morpholin-4-ylpyrimidin-2-amine hydrochloride (28 mg) as a pale yellow powder. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
43 mg | With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; In dichloromethane; ethyl acetate; at 20.0℃; for 1.0h; | To a solution of 19 (50 mg, 0.25 mmol) and <strong>[96568-35-3]1-benzyl-N-methylpyrrolidin-3-amine</strong> (48 mg, 0.25 mmol) in dichloromethane (1 ml) wasadded propylphosphoric anhydride solution in ethyl acetate (greaterthan50%, 0.5 ml). The mixture was stirred for 1 h at room temperature.After the mixture had been concentrated, the residue was purified byamino silica gel column chromatography (hexane/ethyl acetate/methanol:47.5:47.5:5 to 42.5:42.5:15) to give 10 (free base) as a colorlesssolid (43 mg). To a solution of 10 (free base, 43 mg, 0.12 mmol) in 1,4-dioxane (1 ml) was added 4 mol/L hydrogen chloride in 1,4-dioxane (31 μL, 0.12 mmol). The mixture was stirred for 30 min at room temperature.The appeared precipitate was collected by filtration and driedto give 10 as a yellow solid (35 mg, 34%, over two steps). 1H NMR(DMSO-d6) (mixture of rotamers) δ: 11.31 (0.5H, s), 11.05 (0.5H, s),7.60-7.59 (2H, m), 7.43 (3H, br s), 4.97-4.78 (3H, m), 4.44-4.21 (2H,m), 3.66-3.47 (2H, m), 3.39-3.28 (1H, m), 3.17-2.79 (4H, m),2.24-2.06 (8H, m). MS:370 (M + H)+. |
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