Structure of 121103-15-9
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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
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CAS No. : | 121103-15-9 |
Formula : | C8H18N2O2 |
M.W : | 174.24 |
SMILES Code : | O=C(OC(C)(C)C)NC[C@@H](N)C |
MDL No. : | MFCD11112235 |
InChI Key : | UYNSYFDLTSSUNI-LURJTMIESA-N |
Pubchem ID : | 45072492 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 12 |
Num. arom. heavy atoms | 0 |
Fraction Csp3 | 0.88 |
Num. rotatable bonds | 5 |
Num. H-bond acceptors | 3.0 |
Num. H-bond donors | 2.0 |
Molar Refractivity | 47.79 |
TPSA ? Topological Polar Surface Area: Calculated from |
64.35 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.19 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
0.42 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
0.86 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.63 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
-0.03 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
0.81 |
Log S (ESOL):? ESOL: Topological method implemented from |
-0.85 |
Solubility | 24.3 mg/ml ; 0.14 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (Ali)? Ali: Topological method implemented from |
-1.34 |
Solubility | 7.99 mg/ml ; 0.0459 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-1.31 |
Solubility | 8.55 mg/ml ; 0.0491 mol/l |
Class? Solubility class: Log S scale |
Soluble |
GI absorption? Gatrointestinal absorption: according to the white of the BOILED-Egg |
High |
BBB permeant? BBB permeation: according to the yolk of the BOILED-Egg |
No |
P-gp substrate? P-glycoprotein substrate: SVM model built on 1033 molecules (training set) |
No |
CYP1A2 inhibitor? Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set) |
No |
CYP2C19 inhibitor? Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set) |
No |
CYP2C9 inhibitor? Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set) |
No |
CYP2D6 inhibitor? Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set) |
No |
CYP3A4 inhibitor? Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set) |
No |
Log Kp (skin permeation)? Skin permeation: QSPR model implemented from |
-7.06 cm/s |
Lipinski? Lipinski (Pfizer) filter: implemented from |
0.0 |
Ghose? Ghose filter: implemented from |
None |
Veber? Veber (GSK) filter: implemented from |
0.0 |
Egan? Egan (Pharmacia) filter: implemented from |
0.0 |
Muegge? Muegge (Bayer) filter: implemented from |
1.0 |
Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat |
0.55 |
PAINS? Pan Assay Interference Structures: implemented from |
0.0 alert |
Brenk? Structural Alert: implemented from |
0.0 alert: heavy_metal |
Leadlikeness? Leadlikeness: implemented from |
No; 1 violation:MW<1.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
2.54 |
* 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 |
---|---|---|
42% | With sodium hydroxide In methanol; water at 20℃; for 20 h; Inert atmosphere; Cooling with ice | To a solution of (S)-1,2-diaminopropane dihydrochloride (16 g, 109 mmol) in MeOH (64 mL) and water (16 mL) was added di-tert-butyl dicarbonate (28.5 g, 131 mmol) in MeOH (16 mL). The resulting solution was cooled in an ice bath, and 4N NaOH (35 mL, 140 mL) was added dropwise over 2 h. The mixture was allowed to warm to rt and stirred for a total of 20 h. The reaction was filtered, and the filtrate concentrated to remove MeOH. 200 mL EtOAc, 200 mL water, and 16 mL 1M HCl were added sequentially. The layers were separated and the aqueous layer washed with EtOAc (200 mL). The combined organic extracts were washed with 0.04M HCl (208 mL). The organic phase was separated and discarded. The aqueous phases were combined, adjusted to pH=14 with 10N NaOH (20 mL), and extracted with DCM (400 mL*2). The combined organic extracts were dried (Na2SO4), filtered, and concentrated to afford the desired product as a clear oil (8.0 g, 42percent). MS (ESI): mass calcd. for C8H18N2O2, 174.1; m/z found, 175.2 [M+H]+. 1H NMR (500 MHz, CDCl3) δ 5.01 (br s, 1H), 3.24-3.09 (m, 1H), 3.09-2.95 (m, 1H), 2.92-2.84 (m, 1H), 1.45 (s, 9H), 1.35-1.19 (m, 2H), 1.07 (d, J=6.4 Hz, 3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
36% | Stage #1: With triethylamine In ethanolHeating / reflux Stage #2: With hydrogenchloride In water Stage #3: With sodium hydroxide In water |
A) (S)-2-Amino-propyl)-carbamic acid tert-butyl ester: To a solution of trietylamine (0.95 mL, 6.8 mmol) in 15 mL ethanol was added (s)-(-)- diaminopropane (252 mg, 74.1 mmol). The reaction mixture was stirred under reflux over night. Solvent was evaporated. Water was added and the pH was adjusted to pH 3 by addition of 2 M hydrochloric acid followed by extraction with dichloromethane. The aqueous phase was made alkaline by addition of 2 M sodium hydroxide and extracted with Q dichloromethane. The organic phase was dried over magnesium sulfate and dried in vacuo over night to give the sub-title compound (211 mg, 36 percent yield) and the by-product ((S)-2- amino-l-methyl-ethyl)-carbamic acid tert-butyl ester in a 3 : 1 mixture according to NMR.1H NMR (400 MHz; chloroform-d as solvent and internal reference) δ(ppm) 1.09 (d, 3H, / 5 = 6.5 Hz), 1.45 (s, 9H), 2.91 (m, IH), 3.04 (m, IH), 3.16 (m, IH) |
36% | Stage #1: With triethylamine In ethanolHeating / reflux Stage #2: With hydrogenchloride In water |
A) ((S)-2-Amino-propyl)-carbamic acid tert-butyl ester: To a solution of trietylamine (0.95 mL, 6.8 mmol) in 15 mL ethanol was added (s)-(-)- diaminopropane (252 mg, 74.1 mmol). The reaction mixture was stirred under reflux over night. Solvent was evaporated. Water was added and the pH was adjusted to pH 3 by addition of 2 M hydrochloric acid followed by extraction with dichloromethane. The aqueous phase was made alkaline by addition of 2 M sodium hydroxide and extracted with dichloromethane. The organic phase was dried over magnesium sulfate and dried in vacuo over night to give the the sub-title compound (211 mg, 36 percent yield) and the by-product ((S)-2-amino-l-methyl-ethyl)-carbarnic acid tert-butyl ester in a 3 : 1 mixture according to NMR.1H NMR (400 MHz; chloroform-d as solvent and internal reference) δ(ppm) 1.09 (d, 3H, J = 6.5 Hz), 1.45 (s, 9H), 2.91 (m, IH), 3.04 (m, IH), 3.16 (m, IH) |
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