Structure of 6270-63-9
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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. : | 6270-63-9 |
Formula : | C4H4N2O |
M.W : | 96.09 |
SMILES Code : | O=C1NC=CN=C1 |
MDL No. : | MFCD11877813 |
Boiling Point : | No data available |
InChI Key : | HUTNOYOBQPAKIA-UHFFFAOYSA-N |
Pubchem ID : | 72758 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H319 |
Precautionary Statements: | P305+P351+P338 |
Num. heavy atoms | 7 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 0 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 24.86 |
TPSA ? Topological Polar Surface Area: Calculated from |
45.75 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
0.75 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
-1.49 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
-0.23 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
-1.08 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
1.24 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
-0.16 |
Log S (ESOL):? ESOL: Topological method implemented from |
-0.13 |
Solubility | 71.0 mg/ml ; 0.739 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (Ali)? Ali: Topological method implemented from |
1.03 |
Solubility | 1040.0 mg/ml ; 10.8 mol/l |
Class? Solubility class: Log S scale |
Highly soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-1.47 |
Solubility | 3.23 mg/ml ; 0.0337 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 |
-7.94 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 |
2.0 |
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) |
1.74 |
* 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 |
---|---|---|
53% | at 0 - 40℃; for 1 h; | Sodium nitrite (3.4 g, 50 mmol, 1.3 eq.) was added in small portionsto 98percent sulfuric acid (15 mL) ice bath, and the mixture was allowed towarm up and heated to 60. When getting clear, the solution wascooled in an ice bath again. A solution of 2-amino-pyrazine (9) (4 g,39.3 mmol, 1 eq.) in 98percent sulfuric acid (15 mL) was added dropwise.The reaction mixture was stirred at 40 for 1 h. After cooling to roomtemperature, it was slowly poured onto crushed ice and stirred until nonitrogen run out. The solution was adjusted to pH 6 with a 40percent solutionof sodium hydroxide, resulting in lots of sodium sulfate which wasfiltered off whereafter. The filtrate was extracted with EA (50 mL×3),and the combined organics were dried (Na2SO4), filtered and concentratedin vacuo to give the product as a white precipitate (6.38 g,53percent). |
A247427 [1243288-53-0]
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