Structure of H-DL-Trp(7-Br)-OH
CAS No.: 852391-45-8
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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. : | 852391-45-8 |
Formula : | C11H11BrN2O2 |
M.W : | 283.12 |
SMILES Code : | NC(CC1=CNC2=C(Br)C=CC=C12)C(O)=O |
MDL No. : | MFCD04972047 |
InChI Key : | VMMOOBBCGTVDGP-UHFFFAOYSA-N |
Pubchem ID : | 22326367 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 16 |
Num. arom. heavy atoms | 9 |
Fraction Csp3 | 0.18 |
Num. rotatable bonds | 3 |
Num. H-bond acceptors | 3.0 |
Num. H-bond donors | 3.0 |
Molar Refractivity | 65.06 |
TPSA ? Topological Polar Surface Area: Calculated from |
79.11 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.49 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
-0.37 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.88 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
-0.98 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.21 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
0.85 |
Log S (ESOL):? ESOL: Topological method implemented from |
-1.58 |
Solubility | 7.44 mg/ml ; 0.0263 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (Ali)? Ali: Topological method implemented from |
-0.83 |
Solubility | 42.0 mg/ml ; 0.148 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.6 |
Solubility | 0.0711 mg/ml ; 0.000251 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 |
-8.29 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 |
0.55 |
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<0.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
2.26 |
* 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 |
---|---|---|
92% | DL-7-Bromo-tryptophan: yield 92%, mp>260 C., 1H NMR (500 MHz, DMSO-d6): 2.95-3.00 (dd, J=8.5 and 15 Hz, 1H), 3.25-3.29 (dd, J=4.0 and 15 Hz, 1H), 3.40-3.42 (dd, J=4.0 and 8.5 Hz, 1H), 6.91 (dd, J=8.0 and 7.5 Hz, 1H), 7.27 (d, J=2.0 Hz, 1H), 7.29 (d, J=7.5 Hz, 1H), 7.60 (d, J=8.0 Hz, 1H), 11.11 (s, 1H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
9.90 g | With sodium hydroxide; In tetrahydrofuran; water; at 20.0℃; | To a solution of rac-18 in dioxane (60 ml) was added HCl (6 M,60ml). The reaction mixture was heated to reflux for 6 h before the solvent was removed in vacuo. The crude residue was dissolved in NaOH (aqueous, 3 M, 50 ml). Then water (100 ml), THF (150 ml), Boc2O (9.2 g, 42.2 mmol) was added and the reaction mixture was stirred at rt overnight. The solvent was removed in vacuo and the resulting mixture was diluted with EtOAc. The organic layer was washed with H2O and brine, dried over Na2SO4, and concentratedto give rac-19 (9.90 g, 70%) was brown solid. The crude residue used directly for the next step without further purification. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogenchloride; In 1,4-dioxane; for 6.0h;Reflux; | To a solution of rac-18 in dioxane (60 ml) was added HCl (6 M,60ml). The reaction mixture was heated to reflux for 6 h before the solvent was removed in vacuo. The crude residue was dissolved in NaOH (aqueous, 3 M, 50 ml). Then water (100 ml), THF (150 ml), Boc2O (9.2 g, 42.2 mmol) was added and the reaction mixture was stirred at rt overnight. The solvent was removed in vacuo and the resulting mixture was diluted with EtOAc. The organic layer was washed with H2O and brine, dried over Na2SO4, and concentratedto give rac-19 (9.90 g, 70%) was brown solid. The crude residue used directly for the next step without further purification. |