Structure of 192214-06-5
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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. : | 192214-06-5 |
Formula : | C13H15NO4 |
M.W : | 249.26 |
SMILES Code : | O=C([C@H]1CN(C(OCC2=CC=CC=C2)=O)CC1)O |
MDL No. : | MFCD08692037 |
InChI Key : | JSASVUTVTRNJHA-LLVKDONJSA-N |
Pubchem ID : | 25418128 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H332-H335 |
Precautionary Statements: | P261-P280-P305+P351+P338 |
Num. heavy atoms | 18 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.38 |
Num. rotatable bonds | 5 |
Num. H-bond acceptors | 4.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 68.39 |
TPSA ? Topological Polar Surface Area: Calculated from |
66.84 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.02 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.28 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.2 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.31 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
1.03 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.37 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.11 |
Solubility | 1.94 mg/ml ; 0.00779 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.28 |
Solubility | 1.3 mg/ml ; 0.00521 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.08 |
Solubility | 2.05 mg/ml ; 0.00822 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 |
Yes |
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 |
-6.91 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 |
0.0 |
Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat |
0.56 |
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) |
2.69 |
* 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 |
---|---|---|
79% | With Jones reagent; In acetone; at 20.0℃; for 0.5h; | Step-3: Preparation of (R)- 1 -Benzyloxycarbonyl-pyrrolidine-3-carboxylic acid (X):To a solution of (R)-(1-benzyloxycarbonyl-pyrrolidin-3-yl)-methanol (IX, 80 gm, 0.34 mol) dissolved in acetone (800 ml) was added drop-wise under stirring Jones? reagent (200 ml, prepared by dissolving 53.4 gm Cr03 in a solution prepared by mixing 46 ml H2S04 and 140 ml water and fmal volume adjusted to 200 ml) at 20C tifi dark red colour persists of a solution and green coloured solid separates. The suspension was stirred for next 30 minutes. As the TLC (10% methanol in chloroform) showed complete conversion, isopropyl alcohol (100 ml) was added drop-wise to the reaction mixture, tifi green colour persists for 10 minutes. The suspension was filtered on the celite bed under suction and the solids were washed with fresh acetone (100 ml twice). The filtrate was evaporated under vacuum and to the residue was added saturated aqueous sodium bicarbonate solution (600 ml) tifi pH 8. The resultant mixture was extracted with ethyl acetate (400 ml) and layers were separated. Aqueous layer was adjusted to pH 2 by using 6N aqueous hydrochloric acid (125 ml). The reaction mixture was extracted with ethyl acetate (500 ml x 2) and dried over sodium sulfate. Evaporation of solvent afforded (R)- 1 -benzyloxycarbonyl-pyrrolidine-3-carboxylic acid (X) in 67 gm quantity as an oily syrup in 79% yield.Analysis:NMR: (CDC13):9.25 (br s, 1H), 7.25-7.35 (m, 5H), 5.13 (s, 2H), 3.62-3.71 (m, 2H), 3.52-3.54 (m, 1H), 3.43-3.49 (m, 1H), 3.07-3.10 (m, 1H), 2.09-2.18 (m, 2H).Mass (M-1): 248.1 for C13H15N04. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
91% | With hydrogenchloride; at 35.0℃; for 1.5h; | Step-4: Preparation of (R)-Methyl- 1 -benzyloxycarbonyl-pyrrolidine-3-carboxylate (XI):A solution of <strong>[192214-06-5](R)-1-benzyloxycarbonyl-pyrrolidine-3-carboxylic acid</strong> (X, 67 gm, 0.26 mol) in methanolic HC1 (670 ml) was stirred for 1.5 hour at 35C. As TLC (10% methanol in chloroform) showed complete conversion, solvent was evaporated under vacuum and to the left over residue was charged saturated aqueous sodium bicarbonate solution (640 ml) under stirring carefully. The reaction mixture was extracted with ethyl acetate (400 ml x 2). Combined organic layer was dried over sodium sulfate and evaporated under vacuum to provide (R)-methyl- 1 -benzyloxycarbonyl-pyrrolidine-3-carboxylate (XI) as an oily syrup in 64 gm quantity in 91% yield.Analysis:NMR (CDC13):7.25-7.36 (m, 5H), 5.12 (s, 2H), 3.70 (s, 3H), 3.53-3.63 (m, 3H), 3.42- 3.51 (m, 1H), 3.03-3.42 (m, 1H), 2.12-2.16 (m, 2H).Mass (M+1): 264.2 for C14H17N04. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
39% | With sodium hydroxide; In water; for 2.0h; | To a solution of 103 20a (500mg, 1.616mmol) in 82 MeOH (13mL) 10% 108 Pd/C (179mg) was added and the mixture was allowed to stir for 20h at 25C under H2 atmosphere. The reaction was filtered on Celite and the filtrate was concentrated under reduced pressure quantitatively providing (R)-pyrrolidine-3-carboxylic acid submitted to the next step without further purification. To a solution of this latter (460mg, 3.995mmol) in 2N 109 NaOH (2mL) 110 benzylchloroformate (740muL, 5.194mmol) and 4N NaOH (1.5mL) were added and the mixture was stirred at 0C for 2h. The reaction was extracted with diethyl ether. The aqueous layer was adjusted to pH=2 with 10% HCl at 0C and extracted with EtOAc. The organic layers were dried over Na2SO4, filtered and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (CH2Cl2/MeOH 9:1) affording (R)-1-((benzyloxy)carbonyl)pyrrolidine-3-carboxylic acid (39%). 1H NMR (300MHz, CDCl3) delta 9.17 (br, 1H), 7.44-7.32 (m, 5H), 5.18 (s, 2H), 4.73 (s, 1H), 3.73-3.47 (m, 3H), 3.19-3.09 (m, 1H), 2.24-2.13 (m, 2H); 13C NMR (75MHz, CDCl3) delta 177.0, 155.0, 136.6, 129.6, 128.6, 128.1, 127.6, 127.1, 67.2, 48.3/47.9, 45.7/45.3, 43.1/42.3, 28.8/28.2. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With pyridine; di-tert-butyl dicarbonate; ammonium bicarbonate; In 1,4-dioxane; at 25.0℃; for 16.0h; | To a solution of this latter (307mg, 1.231mmol) in 1,4-dioxane (4mL) pyridine (62muL, 0.763mmol), di-tert-butyldicarbonate (370mg, 1.695mmol) and NH4HCO3 (127mg, 1.606mmol) were sequentially added. The reaction mixture was stirred at 25C for 16h and then concentrated under reduced pressure. The residue was diluted with EtOAc. The organic layer was washed with water, 5% H2SO4 and brine, dried over Na2SO4, filtered and concentrated under reduced pressure. The residue containing 21a was used for the next step without further purification. 1H NMR (300MHz, DMSO-d6) delta 7.43 (m, 1H), 7.34 (m, 4H), 7.30 (br, 1H), 6.94 (br, 1H), 5.04 (s, 1 H), 3.51-3.21 (m, 4 H), 2.93-2.87 (m, 1 H), 2.00-1.88 (m, 2 H). |