Structure of 123654-26-2
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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. : | 123654-26-2 |
Formula : | C9H8ClNO3 |
M.W : | 213.62 |
SMILES Code : | NC1=C2CCOC2=C(C=C1Cl)C(O)=O |
MDL No. : | MFCD12923204 |
Boiling Point : | No data available |
InChI Key : | KRMUVKSAOVLXLF-UHFFFAOYSA-N |
Pubchem ID : | 10632401 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 14 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.22 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 3.0 |
Num. H-bond donors | 2.0 |
Molar Refractivity | 52.16 |
TPSA ? Topological Polar Surface Area: Calculated from |
72.55 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.36 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.4 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.56 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.13 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
1.74 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.24 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.3 |
Solubility | 1.08 mg/ml ; 0.00504 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.53 |
Solubility | 0.634 mg/ml ; 0.00297 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.33 |
Solubility | 1.01 mg/ml ; 0.00471 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 |
-6.61 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 |
0.56 |
PAINS? Pan Assay Interference Structures: implemented from |
0.0 alert |
Brenk? Structural Alert: implemented from |
1.0 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) |
2.11 |
* 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 |
---|---|---|
89.8% | at 90℃; for 8 h; | The resulting intermediate 7 (30 g, 0.11 mol), water (150 mL),Propylene glycol monomethyl ether (36mL) and 50percent sodium hydroxide solution (90mL), slowly heated to 90 ° C with stirring, the same temperature for 8h, the reaction was monitored by TLC. After the reaction is completed,Cooled to 5 ° C with ice bath and stirred for 2h, filtered with suction,The filter cake was washed with an appropriate amount of water added to 500mL single-necked flask,Water (210 mL) and propylene glycol monomethyl ether (35 mL) were added,The temperature of the reaction solution was raised to 80 ° C and the reaction solution became homogeneous.Dilute dilute hydrochloric acid, adjust pH to about 3, precipitated solid.After cooling to 10 ° C, stirring was continued for 2h. Suction filtration,The filter cake was washed with an appropriate amount of water and dried to give an off-white solid,Yield 20.8g, yield 89.8percent, purity 99percent |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
32.2% | With n-butyllithium In tetrahydrofuran; hexane; water | b) To a cooled (-70° C.) and stirred mixture of 15.6 parts of a solution of n.butyllithium in hexane 2.5M and 44.5 parts of tetrahydrofuran was added dropwise a solution of 4 parts of intermediate 8 in 26.7 parts of tetrahydrofuran under a nitrogen flow. The reaction mixture was stirred for 1 hour at about -60° C. and was poured into a saturated suspension of carbondioxide (ice) in 44.5 parts of tetrahydrofuran. The whole was allowed to warm up to room temperature while being stirred and 80 parts of water were added. The aqueous layer was neutralized with hydrochloric acid and the formed precipitate was filtered off and dried in vacuo at 60° C., yielding 1.1 parts (32.2percent) of 4-amino-5-chloro-2,3-dihydro-7-benzofurancarboxylic acid; mp. 258.4° C. (interm. 9). In a similar manner there was also prepared: |
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