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Chemical Structure| 181950-57-2 Chemical Structure| 181950-57-2

Structure of 181950-57-2

Chemical Structure| 181950-57-2

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Product Citations

Product Citations

Kitel, Radoslaw ; Surmiak, Ewa ; Borggrafe, Jan ; Kalinowska-Tluscik, Justyna ; Golik, Przemyslaw ; Czub, Miroslawa , et al.

Abstract: Here, we report the fragment-based drug discovery of potent and selective fragments that disrupt the Spire2-FMN2 but not the Spire1-FMN2 interaction. Hit fragments were identified in a differential scanning fluorimetry-based screen of an inhouse library of 755 compounds and subsequently validated in multiple orthogonal biophys. assays, including fluorescence polarization, microscale thermophoresis, and 1H-15N HSQC NMR. Extensive structure-activity relationships combined with mol. docking followed by chem. optimization led to the discovery of compound 13, which exhibits micromolar potency and high ligand efficiency (LE = 0.38). Therefore, this fragment represents a validated starting point for the future development of selective chem. probes targeting the Spire2-FMN2 interaction.

Alternative Products

Product Details of [ 181950-57-2 ]

CAS No. :181950-57-2
Formula : C9H6ClNO
M.W : 179.60
SMILES Code : OC1=CC=C2C(Cl)=CC=NC2=C1
MDL No. :MFCD09261120
InChI Key :SQWLNFPPFMFTIC-UHFFFAOYSA-N
Pubchem ID :135729083

Safety of [ 181950-57-2 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Computational Chemistry of [ 181950-57-2 ] Show Less

Physicochemical Properties

Num. heavy atoms 12
Num. arom. heavy atoms 10
Fraction Csp3 0.0
Num. rotatable bonds 0
Num. H-bond acceptors 2.0
Num. H-bond donors 1.0
Molar Refractivity 48.78
TPSA ?

Topological Polar Surface Area: Calculated from
Ertl P. et al. 2000 J. Med. Chem.

33.12 Ų

Lipophilicity

Log Po/w (iLOGP)?

iLOGP: in-house physics-based method implemented from
Daina A et al. 2014 J. Chem. Inf. Model.

1.7
Log Po/w (XLOGP3)?

XLOGP3: Atomistic and knowledge-based method calculated by
XLOGP program, version 3.2.2, courtesy of CCBG, Shanghai Institute of Organic Chemistry

2.59
Log Po/w (WLOGP)?

WLOGP: Atomistic method implemented from
Wildman SA and Crippen GM. 1999 J. Chem. Inf. Model.

2.59
Log Po/w (MLOGP)?

MLOGP: Topological method implemented from
Moriguchi I. et al. 1992 Chem. Pharm. Bull.
Moriguchi I. et al. 1994 Chem. Pharm. Bull.
Lipinski PA. et al. 2001 Adv. Drug. Deliv. Rev.

1.76
Log Po/w (SILICOS-IT)?

SILICOS-IT: Hybrid fragmental/topological method calculated by
FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com

2.6
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

2.25

Water Solubility

Log S (ESOL):?

ESOL: Topological method implemented from
Delaney JS. 2004 J. Chem. Inf. Model.

-3.2
Solubility 0.113 mg/ml ; 0.000628 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Soluble
Log S (Ali)?

Ali: Topological method implemented from
Ali J. et al. 2012 J. Chem. Inf. Model.

-2.93
Solubility 0.209 mg/ml ; 0.00116 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Soluble
Log S (SILICOS-IT)?

SILICOS-IT: Fragmental method calculated by
FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com

-3.74
Solubility 0.0327 mg/ml ; 0.000182 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Soluble

Pharmacokinetics

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)
and tested on 415 molecules (test set)
10-fold CV: ACC=0.72 / AUC=0.77
External: ACC=0.88 / AUC=0.94

No
CYP1A2 inhibitor?

Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set)
and tested on 3000 molecules (test set)
10-fold CV: ACC=0.83 / AUC=0.90
External: ACC=0.84 / AUC=0.91

Yes
CYP2C19 inhibitor?

Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set)
and tested on 3000 molecules (test set)
10-fold CV: ACC=0.80 / AUC=0.86
External: ACC=0.80 / AUC=0.87

No
CYP2C9 inhibitor?

Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set)
and tested on 2075 molecules (test set)
10-fold CV: ACC=0.78 / AUC=0.85
External: ACC=0.71 / AUC=0.81

No
CYP2D6 inhibitor?

Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set)
and tested on 1068 molecules (test set)
10-fold CV: ACC=0.79 / AUC=0.85
External: ACC=0.81 / AUC=0.87

No
CYP3A4 inhibitor?

Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set)
and tested on 2579 molecules (test set)
10-fold CV: ACC=0.77 / AUC=0.85
External: ACC=0.78 / AUC=0.86

No
Log Kp (skin permeation)?

Skin permeation: QSPR model implemented from
Potts RO and Guy RH. 1992 Pharm. Res.

-5.56 cm/s

Druglikeness

Lipinski?

Lipinski (Pfizer) filter: implemented from
Lipinski CA. et al. 2001 Adv. Drug Deliv. Rev.
MW ≤ 500
MLOGP ≤ 4.15
N or O ≤ 10
NH or OH ≤ 5

0.0
Ghose?

Ghose filter: implemented from
Ghose AK. et al. 1999 J. Comb. Chem.
160 ≤ MW ≤ 480
-0.4 ≤ WLOGP ≤ 5.6
40 ≤ MR ≤ 130
20 ≤ atoms ≤ 70

None
Veber?

Veber (GSK) filter: implemented from
Veber DF. et al. 2002 J. Med. Chem.
Rotatable bonds ≤ 10
TPSA ≤ 140

0.0
Egan?

Egan (Pharmacia) filter: implemented from
Egan WJ. et al. 2000 J. Med. Chem.
WLOGP ≤ 5.88
TPSA ≤ 131.6

0.0
Muegge?

Muegge (Bayer) filter: implemented from
Muegge I. et al. 2001 J. Med. Chem.
200 ≤ MW ≤ 600
-2 ≤ XLOGP ≤ 5
TPSA ≤ 150
Num. rings ≤ 7
Num. carbon > 4
Num. heteroatoms > 1
Num. rotatable bonds ≤ 15
H-bond acc. ≤ 10
H-bond don. ≤ 5

1.0
Bioavailability Score?

Abbott Bioavailability Score: Probability of F > 10% in rat
implemented from
Martin YC. 2005 J. Med. Chem.

0.55

Medicinal Chemistry

PAINS?

Pan Assay Interference Structures: implemented from
Baell JB. & Holloway GA. 2010 J. Med. Chem.

0.0 alert
Brenk?

Structural Alert: implemented from
Brenk R. et al. 2008 ChemMedChem

0.0 alert: heavy_metal
Leadlikeness?

Leadlikeness: implemented from
Teague SJ. 1999 Angew. Chem. Int. Ed.
250 ≤ MW ≤ 350
XLOGP ≤ 3.5
Num. rotatable bonds ≤ 7

No; 1 violation:MW<1.0
Synthetic accessibility?

Synthetic accessibility score: from 1 (very easy) to 10 (very difficult)
based on 1024 fragmental contributions (FP2) modulated by size and complexity penaties,
trained on 12'782'590 molecules and tested on 40 external molecules (r2 = 0.94)

1.35

Application In Synthesis of [ 181950-57-2 ]

* 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.

  • Downstream synthetic route of [ 181950-57-2 ]

[ 181950-57-2 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 68500-37-8 ]
  • [ 181950-57-2 ]
YieldReaction ConditionsOperation in experiment
98.6% With hydrogen bromide; acetic acid;Reflux; <strong>[68500-37-8]4-chloro-7-methoxyquinoline</strong> 8b (3.86 g, 20 mmol), 40% HBr (30 mL) and acetic anhydride (20 mL) were mixedHeating reflux, TLC tracking test, the reaction is completed, cooling the reaction solution to room temperature. Followed by the addition of lOOmL water to the reaction solution,20% NaOH solution to adjust the pH to 6.0, a large amount of solid precipitation, filtration, washing and drying to give an off-white solid (3.53 g,98.6%)
98.6% With hydrogen bromide; acetic anhydride;Reflux; After mixing <strong>[68500-37-8]4-chloro-7-methoxyquinoline</strong> 8b (3.86 g, 20 mmol), 40% HBr (30 mL) and acetic anhydrideHeated to reflux, TLC tracking test, the reaction was completed, the reaction was cooled to room temperature.Subsequently, 100 mL of water was added to the reaction mixture to dilute it. The 20% NaOH solution was adjusted to pH 6.0. A large amount of solid was precipitated, filtered, washed with water and dried to give an off-white solid (3.53 g, 98.6%).
90% With N-benzyl-N,N,N-triethylammonium chloride; boron tribromide; In dichloromethane; at -70 - 20℃; for 20h;Inert atmosphere; The protection of nitrogen, -70 C under the condition of, to the 4 - chloro -7 - methoxy quinoline (0.95g, 4 . 9mmol) in dichloromethane (45 ml) solution slowly dropping BBr3(4.9g, 19 . 6mmol) of dichloromethane (15 ml) diluted solution. Then the reaction system raising the temperature to room temperature, adding benzyl triethyl ammonium chloride (TEBA, 0.19g 0 . 83mmol) of dichloromethane (5 ml) diluted solution, stirring at the room temperature 20h. TLC monitoring (petroleum ether: acetone=20:5, Rf=0.4). In the he stirring under ice bath cooling, in the system slowly adding ice water (25 ml) quenching BBr3. To remove the majority of dichloromethane, for 1N NaOH PH=7 for regulating surplus solution, a large amount of white solid precipitated, filtered, vacuum (45 C) dry 24 hours to obtain compound. Yield: 90%.
With hydrogen bromide;Reflux; A mixture of <strong>[68500-37-8]4-chloro-7-methoxyquinoline</strong> 7 (1.93g, 10mmol) and 48% hydrobromic acid (50mL) was refluxed. After completion of the reaction as indicated by TLC, the mixture was cooled and poured onto ice. The aqueous mixture was alkalized to pH 6 using 10% NaOH solution. The resulting precipitate was filtered, washed with water and dried in vacuum to give 8 (1.76g, 98%). The material was used without further purification for the following step.

  • 2
  • [ 181950-57-2 ]
  • [ 16427-44-4 ]
  • 4-chloro-7-methoxyethoxyquinoline [ No CAS ]
YieldReaction ConditionsOperation in experiment
With caesium carbonate; In N,N-dimethyl-formamide; at 50℃; for 3h; Dissolve 5g of 2-methoxyethanol in 10ml of toluene.Add 5.6 ml of triethylamine,5.6 ml of methanesulfonyl chloride was added slowly under ice bath.A large amount of white solid precipitated during the addition.After the addition, the ice bath was removed.Stir at room temperature for 30 min.TLC showed that the reaction of raw materials was completed.After the reaction solution is evaporated,Add 30ml of ethyl acetate and 30ml of water,Divide the water layer,After the organic layer is dry,concentrate,The crude 2-methoxy ethoxy carboxylic acid ester was obtained.Take 200mg crude product dissolved in 10ml DMF,230 mg of 4-chloro-7-hydroxyquinoline was added in succession.358mg cesium carbonate,After putting it in a 50C oil bath for 3 hours,TLC showed that the reaction of the raw materials was completed.After stopping the reaction,After the reaction liquid cools,The DMF is distilled off under reduced pressure.To the residue was added 30 ml of ethyl acetate and 30 ml of water.Extraction and separation of water layer,The organic layer is washed 3 times.30ml each time.After the organic layer is dry,concentrate,The crude 4-chloro-7-methoxyethoxyquinoline (off-white solid, quantitative yield) was obtained.
 

Historical Records

Technical Information

Categories

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[ 181950-57-2 ]

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