Structure of Boc-Phe-Phe-OH
CAS No.: 13122-90-2
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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. : | 13122-90-2 |
Formula : | C23H28N2O5 |
M.W : | 412.48 |
SMILES Code : | O=C(O)[C@@H](NC([C@@H](NC(OC(C)(C)C)=O)CC1=CC=CC=C1)=O)CC2=CC=CC=C2 |
MDL No. : | MFCD00190824 |
InChI Key : | NNOBHAOOLCEJBL-OALUTQOASA-N |
Pubchem ID : | 7019052 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 30 |
Num. arom. heavy atoms | 12 |
Fraction Csp3 | 0.35 |
Num. rotatable bonds | 12 |
Num. H-bond acceptors | 5.0 |
Num. H-bond donors | 3.0 |
Molar Refractivity | 113.25 |
TPSA ? Topological Polar Surface Area: Calculated from |
104.73 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.97 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
3.15 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.93 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.55 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
3.1 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.74 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.89 |
Solubility | 0.0536 mg/ml ; 0.00013 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-5.02 |
Solubility | 0.00395 mg/ml ; 0.00000957 mol/l |
Class? Solubility class: Log S scale |
Moderately soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-6.06 |
Solubility | 0.000362 mg/ml ; 0.000000877 mol/l |
Class? Solubility class: Log S scale |
Poorly 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) |
Yes |
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 |
-6.58 cm/s |
Lipinski? Lipinski (Pfizer) filter: implemented from |
0.0 |
Ghose? Ghose filter: implemented from |
None |
Veber? Veber (GSK) filter: implemented from |
1.0 |
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<2.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
3.74 |
* 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 |
---|---|---|
With dicyclohexyl-carbodiimide; In 1,2-dimethoxyethane; at 0℃; for 2h;Inert atmosphere; | (BOC)FF-NHS (3): Compound 2 (0.5 g, 1.2 mmol) and N-Hydroxy succinimide (0.153 g, 1.3 mmol) were dissolved in 1,2-dimethoxy ethane (10 ml) and reaction mixture was cooled to 0 C under nitrogen atmosphere. A solution of DCC (0.274 g, 1.3 mmol) in 1,2-dimethoxy ethane (5 ml) was added into the reaction mixture dropwise and reaction mixture was stirred for 2 h at 0 C. After which the reaction mixture was kept in a freezer overnight. The reaction mixture was filtered and filtrate was concentrated under reduced pressure. Solid material was washed with diethyl ether and dried under high vaccum. Crude compound 3 (0.6 g, 1.1 mmol) was directly used for synthesis of compounds 4 and 6. | |
With dicyclohexyl-carbodiimide; In dichloromethane; at -5℃; | General procedure: A round-bottom flask was charged with amino acid (2.5 mmol), NaHCO3 (5 mmol, or 7.5 mmol in the case of using TFA salt of amino acid) and THF-H2O (1:1,20 mL). A solution of succinimide-activated amino acid (2.75 mmol) in THF (15 mL) was added dropwise to the mixture, and the reaction was stirred at rt for 1-2 days. THF was removed on a rotary evaporator, the reaction mixture was acidified with 0.5 M HCl to pH 2, and the product was extracted with ethyl acetate (3 x 30 mL). The organic layers were washed with water and dried over anhydrous Na2SO4. After filtration and evaporation of the solvent, the product was purified by column chromatography on silica gel. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71% | With sodium hydroxide; In 1,4-dioxane; water; at 0 - 20℃; for 3.5h; | A solution of (Boc) 20 (800 mg, 3.5 mmol) in 1,4-dioxane (5 ML) was added to a cold (0 C) solution OF DI-L-PHE-PHE (1 g, 3.20 mmol) in 1,4-dioxane (6 mL) and 1N NAOH (3.3 mL). The mixture was stirred at 0-5 C FOR 2 hours. Another portion of (BOC) 20 (100 mg) was added and the mixture was stirred for an additional 60 minutes at 0-5 C then at room temperature for 30 minutes. The mixture was then evaporated to dryness. The solid was taken in a mixture of water/EtOAc and pH was adjusted to 2 with 2N HCI. The aqueous layer was extracted 3 times with EtOAc. The combined organic layers were dried with brine and the solvent was evaporated. Some solid was insoluble in a mixture of EtOAc/CHC13 : it was removed by filtration. The desired N Boc-L-Phe-L-Phe 1 was obtained as a white foamy solid (913.7 mg, 2.215 mmol, 71% yield). |