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CAS No. : | 362703-20-6 | MDL No. : | MFCD18071250 |
Formula : | C7H14ClNO2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | IWPIXNGIFMRSAU-UHFFFAOYSA-N |
M.W : | 179.64 | Pubchem ID : | 56773585 |
Synonyms : |
|
Num. heavy atoms : | 11 |
Num. arom. heavy atoms : | 0 |
Fraction Csp3 : | 0.86 |
Num. rotatable bonds : | 4 |
Num. H-bond acceptors : | 3.0 |
Num. H-bond donors : | 1.0 |
Molar Refractivity : | 44.35 |
TPSA : | 52.32 Ų |
GI absorption : | High |
BBB permeant : | Yes |
P-gp substrate : | No |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -6.96 cm/s |
Log Po/w (iLOGP) : | 0.0 |
Log Po/w (XLOGP3) : | 0.62 |
Log Po/w (WLOGP) : | 1.03 |
Log Po/w (MLOGP) : | 0.69 |
Log Po/w (SILICOS-IT) : | 0.85 |
Consensus Log Po/w : | 0.64 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -1.08 |
Solubility : | 14.9 mg/ml ; 0.0831 mol/l |
Class : | Very soluble |
Log S (Ali) : | -1.29 |
Solubility : | 9.14 mg/ml ; 0.0509 mol/l |
Class : | Very soluble |
Log S (SILICOS-IT) : | -1.2 |
Solubility : | 11.3 mg/ml ; 0.063 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 1.56 |
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 |
---|---|---|
97% | With hydrogen;platinum(IV) oxide; In methanol; under 2585.81 Torr; for 2h; | A solution of <strong>[1558-81-2]1-cyano-cyclopropanecarboxylic acid ethyl ester</strong> (1.0 g, 7.18 mmol), concentrated hydrochloric acid (1.5 mL), and platinum oxide (0.20 g) in methanol (50 mL) was pressurized with 50 psi of hydrogen for 2 hr. The heterogeneous mixture was filtered through Celite and concentrated to give the desired amine as a hydrochloride salt (1.26 g, 97%). MS found: (M+H)+=144 |
With hydrogenchloride; hydrogen;platinum(IV) oxide; In ethanol; under 2068.65 Torr; for 20h; | Concentrated hydrochloric acid (25 mL) and platinum oxide (0.98 g) were added to a solution of the material from Part A in ethanol (225 mL). The mixture was placed under hydrogen pressure (40 psi, 2.8 X lO5 Pa) on a Parr apparatus for 20 hours. The reaction mixture was filtered through a layer of CELITE filter aid. The filter cake was rinsed with methanol (200 mL). The filtrate was concentrated under reduced pressure. The residue was reconcentrated under reduced pressure three times from methanol and twice from toluene to provide 31.7 g of ethyl 1-aminomethylcyclopropionate hydrochloride | |
With hydrogenchloride; hydrogen;platinum(IV) oxide; In ethanol; water; under 2068.65 Torr; for 20h; | Platinum (IV) oxide (0.98 g) and concentrated hydrochloric acid (25 mL) were added to a solution of the material from Part A in ethanol (225 mL), and the mixture was placed under hydrogen pressure (40 psi, 2.8*105 Pa) on a Parr apparatus and shaken for 20 hours and then filtered through a layer of CELITE filter agent. The filter cake was washed with methanol (200 mL), and the combined filtrates were concentrated under reduced pressure. The residue was three times dissolved in methanol and concentrated and then twice dissolved in toluene and concentrated to afford ethyl 1-(aminomethyl)cyclopropanecarboxylate hydrochloride as a thick, pale yellow oil. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With triethylamine In dichloromethane at 5 - 20℃; | 92.C Triethylamine (41 mL, 294 mmol) was added to a suspension of 4-chloro-3- nitroquinoline (24.5 g, 118 mmol) in dichloromethane (250 mL). The mixture was cooled to 5 °C. A solution of the material from Part B in dichloromethane (200 mL) was added over a period of 15 minutes. The reaction mixture was stirred at 5 °C for 1 hour and then at ambient temperature overnight. The reaction mixture was washed with aqueous saturated sodium bicarbonate (250 mL). The aqueous layer was back extracted with dichloromethane (2 x 50 mL). The combined organics were dried over magnesium sulfate, filtered, and then concentrated under reduced pressure to provide an orange oil. This material was recrystallized from acetonitrile to provide 21.47 g of ethyl l-[(3- nitroquinolin-4-ylamino)methyl]cyclopropionate as a bright yellow solid. | |
With triethylamine In dichloromethane at 5 - 20℃; for 1.25h; | 64.C A suspension of 4-chloro-3-nitroquinoline (24.5 g, 118 mmol) and triethylamine (41 mL, 294 mmol) in dichloromethane (450 mL) was cooled to 5° C., and a solution of the material from Part B in dichloromethane (200 mL) was added over a period of 15 minutes. The reaction was stirred at 5° C. for one hour, allowed to warm to ambient temperature, stirred overnight, and washed with saturated aqueous sodium bicarbonate (250 mL). The aqueous layer was extracted with dichloromethane (2*50 mL), and the combined organic fractions were dried over magnesium sulfate, filtered, and concentrated under reduced pressure. The resulting orange oil was recrystallized from acetonitrile to provide 21.47 g of ethyl 1-[(3-nitroquinolin-4-yl)amino]methyl}cyclopropanecarboxylate as a bright yellow solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
79% | Stage #1: ethyl 1-(aminomethyl)cyclopropanecarboxylate hydrochloride; 4-fluorobenzaldehyde In methanol at 25℃; for 0.166667h; Stage #2: With sodium tris(acetoxy)borohydride; acetic acid In methanol at 25℃; for 18h; Stage #3: With sodium hydrogencarbonate In methanol; water | 3 1-[(4-Fluoro-benzylamino)-methyl]-cyclopropanecarboxylic acid ethyl ester 1-[(4-Fluoro-benzylamino)-methyl]-cyclopropanecarboxylic acid ethyl ester A solution of (1-aminomethyl)-cyclopentyl-acetic acid methyl ester hydrochloride (626 mg, 4.37 mmol) in anhydrous methanol (20 mL) was treated with 4-fluoro-benzaldehyde (0.46 mL, 4.37 mmol) and stirred at 25° C. under a nitrogen environment. After 10 min, glacial acetic acid (0.83 mL, 14.5 mmol) and sodium triacetoxyborohydride (2.3 g, 10.9 mmol) were added sequentially, and the resulting mixture was stirred at 25° C. for 18 h. The reaction was diluted with a saturated aqueous sodium bicarbonate solution (30 mL) and extracted with ethyl acetate (3*50 mL). The combined organic layers were washed with brine (25 mL), dried over sodium sulfate, filtered, and concentrated in vacuo to give 1-[(4-fluoro-benzylamino)-methyl]-cyclopropanecarboxylic acid ethyl ester (870 mg, 79%) as a colorless oil. LC-MS (ESI) calculated for C14H18FNO2: 251.1, found 252.1 [M+H+]. |
79.2% | With sodium tris(acetoxy)borohydride; acetic acid In methanol at 0 - 20℃; | 1-1.1 Step 1: Synthesis of 1-[(4-fluoro-benzylamino)-methyl]-cyclopropanecarboxylic acid ethyl ester (5) The above amino-acid ethyl ester hydrochloride (4) (625.8 mg, 4.37 mmol) was dissolved in MeOH (20 mL), the para-F-benzaldehyde (460 μL, 4.37 mmol) was added at room temperature followed by HOAc (830 μL) and Na(OAc)3BH (2.3 g, 10.93 mmol) portion-wise as solid at 0° C. (ice-H2O bath). The reaction mixture was stirred at room temperature overnight. The LC-MS analysis confirmed the completion of the reaction. Saturated aqueous NaHCO3 solution (30 mL) was added to neutralize the reaction (pH=8). The desired product was extracted out with EtOAc (50 mL*3) and the combined organic layers were washed with brine (25 mL), dried over anhydrous Na2SO4, filtered and concentrated under reduced pressure at room temperature to give the crude product (5) (870.1 mg) in 79.2% yield. LC-MS (m/e): 252.1 [M+1]+ (exact ms: 251.13). This crude product was directly used in next step. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: sodium tris(acetoxy)borohydride; acetic acid / methanol / 0 - 20 °C 2: tetrahydrofuran / 20 °C 3: sodium ethanolate / ethanol / 1 h / 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1: sodium tris(acetoxy)borohydride; acetic acid / methanol / 0 - 20 °C 2: tetrahydrofuran / 20 °C 3: sodium ethanolate / ethanol / 1 h / 20 °C 4: pyridine / 4 h / 110 - 120 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: sodium tris(acetoxy)borohydride; acetic acid / methanol / 0 - 20 °C 2: tetrahydrofuran / 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Stage #1: ethyl 1-(aminomethyl)cyclopropanecarboxylate hydrochloride With triethylamine In ethanol at 20℃; for 0.5h; Inert atmosphere; Stage #2: 1-benzyloxycarbonyl-4-(tert-butyloxycarbonyl)piperazine-2-carboxaldehyde In ethanol at 20℃; for 1.5h; Inert atmosphere; | Intermediate S3-1: 1-Benzyl 4-tert-butyl 2-((((1- (ethoxycarbonyl)cyclopropyl)methyl)amino)methyl) piperazine-1,4-dicarboxylate To a solution of ethyl 1-(aminomethyl)cyclopropanecarboxylate hydrochloride (2.04 g, 11.4 mmol) in ethanol (50 mL) was added triethylamine (1.15 g, 11.4 mmol) at room temperature. After stirred at room temperature under nitrogen atmosphere for 0.5 hour, a solution of 1- benzyl 4-tert-butyl 2-formylpiperazine-1,4-dicarboxylate S1-2 (3.10 g, 7.56 mmol) in ethanol (10 mL) was added and stirred at room temperature for 1.5 hours. Then sodium cyanoborohydride (1.12 g, 17.8 mmol) was added at 0 oC. After stirred at room temperature for 2 hours, the mixture was quenched with ice water (15 mL), then removed ethanol under vacuo. The residue was diluted with water (40 mL) and extracted with ethyl acetate (20 mL) for three times. The combined organic layers were dried over Na2SO4(s) and filtered. The filtrate was concentrated to give a residue, which was purified by C18 column (acetonitrile : water = 65 % to 95 %) to give the title compound (2.00 g, 50 % yield) as yellow oil. LC-MS (ESI): RT = 1767 min mass calcd for C25H37N3O6 4753 m/z found 4763 [M+H]+ 1H NMR (400 MHz, CDCl3) d 7.36 - 7.32 (m, 5H), 5.14 (s, 1H), 4.27 - 3.93 (m, 6H), 3.05 - 2.66 (m, 7H), 1.71 (br s, 1H), 1.46 (s, 9H), 1.23 - 1.19 (m, 5H), 0.81 - 0.68 (m, 2H). |
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