Structure of 35170-94-6
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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. : | 35170-94-6 |
Formula : | C8H5ClN2 |
M.W : | 164.59 |
SMILES Code : | ClC1=C2C=CC=NC2=NC=C1 |
MDL No. : | MFCD08235029 |
InChI Key : | SIADAGFXEHBPGG-UHFFFAOYSA-N |
Pubchem ID : | 12422524 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 11 |
Num. arom. heavy atoms | 10 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 0 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 44.55 |
TPSA ? Topological Polar Surface Area: Calculated from |
25.78 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.76 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.08 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.28 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.86 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.62 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.12 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.84 |
Solubility | 0.236 mg/ml ; 0.00143 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.25 |
Solubility | 0.923 mg/ml ; 0.00561 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.94 |
Solubility | 0.0191 mg/ml ; 0.000116 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) |
Yes |
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 |
-5.83 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) |
1.36 |
* 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 |
---|---|---|
0.5 g | With sodium azide; In N,N-dimethyl-formamide; at 60℃; for 5h; | To a solution of 0.5 g (3.04 mmol) of <strong>[35170-94-6]4-chloro-[1,8]naphthyridine</strong> in 10 mL of DMF was added 0.39 g (6.08 mmol) of NaN3. The mixture was stirred for 5 h at 60C. The reaction was allowed to cool to roomtemperature and diluted with 300 ml. of EtOAc, washed with water, brine and dried over Na2SO4. The desiccant was filtered off and the solvents were evaporated under vacuum to give 0.5 g of 4-azido-1,8- naphthyridine as a light brown solid.To a solution of 0.5 g (2.92 mmol) of 4-azido-1,8-naphthyridine in 30 mL of THF was added 100mg of 10% Pd/C. The mixture was hydrogenated at 30C under atmospheric pressure for 5 h. The catalyst wasremoved by filtration. The solvent was evaporated to give 420 mg of 1 ,8-naphthyridin-4-amine a crude product as a light brown solid.To a solution of 0.42 g (2.89 mmol) of 1,8-naphthyridin-4-amine in 50 mL of DCM were added 0.64 g (2.89 mmol) of Boc2O, 0.11 g (0.87 mmol) of DMAP and 1.43 mL (8.68 mmol) of DIPEA and then the mixture was stirred at 30C for 16 h. The solvent was removed under vacuum and the residue waspurified by column chromatography eluting with DCM/MeOH (20/1, R1= 0.4) to give 350mg of tertbutyl N-(1 ,8-naphthyridin-4-yl)carbamate as a brown solid.A suspension of 280mg (1.14 mmol) of tert-butylN-(1,8-naphthyridin-4-yl)carbamate and 164 mg (0.12 mmol) of NaH in 2 ml. of THF was stirred at 40C for 16 h. A solution of 0.04 g (0.13 mmol) of 4- bromo-6-(bromomethyl)isoquinoline in 2 mL of THF was added thereto at 3 5C. The mixture was stirredat 35C for additional 0.5 h. The reaction was quenched with saturated aqueous NH4C1 solution. The mixture was diluted with EtOAc and washed with brine. The organic layer was dried over Na2SO4, filtered and concentrated to give the product as a light brown semisolid which was purified by preparative HPLC to give 140 mg of tert-butyl N-[l- [(4-bromo-6-isoquinolyl)methyl] -1, 8-naphthyridin- 1 -ium-4- yl]carbamate as a light brown solid.MS (+ESI): 465.0, 467.0 [M+H].?H NMR (400 MHz, DMSO-d6+ D20) ppm: 9.23 (s, 1H), 9.04 (m, 2H), 8.68 (s, 1H), 8.25 (d, J 8.0 Hz, 1H), 8.13 (d, J= 8.8 Hz, 1H), 7.94 (s, 1H), 7.66 (m, 2H), 7.55 (d, J= 4.8 Hz, 1H), 5.25 (br s, 2H), 1.27 (s, 9H). |
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