Structure of 1180678-40-3
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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. : | 1180678-40-3 |
Formula : | C5H4BrIN2 |
M.W : | 298.91 |
SMILES Code : | NC1=CC(Br)=CN=C1I |
MDL No. : | MFCD17014978 |
InChI Key : | BHCAXPWPOSJOPJ-UHFFFAOYSA-N |
Pubchem ID : | 71464219 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302 |
Precautionary Statements: | P280-P305+P351+P338 |
Num. heavy atoms | 9 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 0 |
Num. H-bond acceptors | 1.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 49.06 |
TPSA ? Topological Polar Surface Area: Calculated from |
38.91 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.64 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.55 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.04 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.52 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.35 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.82 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.16 |
Solubility | 0.205 mg/ml ; 0.000687 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-1.98 |
Solubility | 3.15 mg/ml ; 0.0106 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.46 |
Solubility | 0.104 mg/ml ; 0.000348 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 |
-7.02 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 |
2.0 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) |
2.35 |
* 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 N-iodo-succinimide; acetic acid;Reflux; | General procedure: NIS (24.75 g, 110.0 mmol) was added to a solution of 2-chloropyridin-4-ylamine (12.85 g, 100.0 mmol) in MeCN (400 mL),and the mixture was stirred and held at reflux overnight. Uponcooling to r.t. the solvent was removed in vacuo and the residuepartitioned between EtOAc (250 mL), sat. Na2S2O3 (100 mL), andH2O (250 mL). The organic layer was separated, washed withH2O (2 × 250 mL), separated, and the solvent removed in vacuoto afford an orange oil that was subjected to column chromatographyon silica gel. Elution with 30-50% EtOAc in PE afforded apale orange solid that was rinsed with 25% EtOAc in PE (80 mL).The solids were collected by filtration and sucked dry to afford2-chloro-5-iodopyridin-4-ylamine (7.32 g) as an off-white solid.The mother liquors were concentrated to dryness in vacuo andthe residues subjected to column chromatography on silica.Elution with 30-50% EtOAc in PE afforded further pure material(1.90 g) |
11.5 g | With N-iodo-succinimide; acetic acid; at 20℃;Inert atmosphere; | 3-Amino-5-bromopyridine (13.8 g, 79.8 mmol) was dissolved in acetic acid (440 mL) and placed under a nitrogen atmosphere. N-lodosuccinimide (16.15 g, 71.8 mmol) was charged to the reaction which was stirred at room temperature overnight. The reaction wasconcentrated and the residue partitioned between EtOAc (200 mL) and saturated aqueous sodium hydrogen carbonate (200 mL). The layers were separated and the organic phase was washed with saturated aqueous sodium hydrogen carbonate (200 mL). The aqueous phase was extracted with EtOAc (3 x 200 mL). The organic extracts were dried over magnesium sulfate, filtered and concentrated. Chromatography (silica; 1.4 Kg packed in70% DCM:30% heptane, eluting with 70-100% DCM in heptane) gave the title compound (11.5 g). 1H NMR (270 MHz, CDCI3): 7.83 (1H, m), 7.04 (1H, m), 4.33 (2H, brs). |
11.5 g | With N-iodo-succinimide; acetic acid; at 20℃;Inert atmosphere; | Preparation 14: 5-Bromo-2-iodo-pyridin-3-ylamine 3-Amino-5-bromopyridine (13.8 g, 79.8 mmol) was dissolved in acetic acid (440 mL) and placed under a nitrogen atmosphere. N-lodosuccinimide (16.15 g, 71.8 mmol) was charged to the reaction which was stirred at room temperature overnight. The reaction was concentrated andthe residue partitioned between EtOAc (200 mL) and saturated aqueous sodium hydrogen carbonate (200 mL). The layers were separated and the organic phase was washed with saturated aqueous sodium hydrogen carbonate (200 mL). The aqueous phase was extracted with EtOAc (3 x 200 mL). The organic extracts were dried over magnesium sulfate, filtered and concentrated. Chromatography (silica; 1.4 Kg packed in 70% DCM:30% heptane, eluting with70-100% DCM in heptane) gave the title compound (11.5 g). 1H NMR (270 MHz, CDCI3): 7.83 (1H, m), 7.04 (1H, m), 4.33 (2H, brs). |
11.5 g | With N-iodo-succinimide; acetic acid; at 20℃;Inert atmosphere; | Preparation II: 5-Bromo-2-iodo-pyridin-3-ylamine H2N3-Amino-5-bromopyridine (13.8 g, 79.8 mmol) was dissolved in acetic acid (440 mL) and placed under a nitrogen atmosphere. N-lodosuccinimide (16.15 g, 71.8 mmol) was charged to the reaction which was stirred at room temperature overnight. The reaction wasconcentrated and the residue partitioned between EtOAc (200 mL) and saturated aqueous sodium hydrogen carbonate (200 mL). The layers were separated and the organic phase was washed with saturated aqueous sodium hydrogen carbonate (200 mL). The aqueous phase was extracted with EtOAc (3 x 200 mL). The organic extracts were dried over magnesium sulfate, filtered and concentrated. Chromatography (silica; 1.4 Kg packed in70% DCM:30% heptane, eluting with 70-100% DCM in heptane) gave the title compound (11.5g). 1H NMR(27OMHz, CDCI3): 7.83(1H, m), 7.04(1H, m),4.33(2H, brs). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
75% | General procedure: KOt-Bu (4.56 g, 40.73 mmol) was added to a stirred solution of2-chloro-5-iodopyridin-4-ylamine (8.62 g, 33.94 mmol) inanhydrous THF (140 mL), and the mixture was stirred at r.t. for15 min. 3-Bromo-2-methylpropene (5.51 g, 40.73 mmol) wasadded, and the mixture was stirred at r.t. overnight. The solventwas removed in vacuo and the residues partitioned betweenCH2Cl2 (100 mL) and H2O (100 mL). The organic layer was separated,the solvent removed in vacuo, and the residues subjectedto column chromatography on silica. Elution with 5-20% EtOAcin PE afforded (2-chloro-5-iodopyridin-4-yl)-(2-methylallyl)amine |
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