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Chemical Structure| 2032-35-1 Chemical Structure| 2032-35-1

Structure of 2032-35-1

Chemical Structure| 2032-35-1

*Storage: Keep in dark place, inert atmosphere, 2-8°C.

2-Bromo-1,1-diethoxyethane

CAS No.: 2032-35-1

4.5 *For Research Use Only !

Cat. No.: A119817 Purity: 98%

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Product Details of [ 2032-35-1 ]

CAS No. :2032-35-1
Formula : C6H13BrO2
M.W : 197.07
SMILES Code : CCOC(OCC)CBr
MDL No. :MFCD00000214
InChI Key :LILXDMFJXYAKMK-UHFFFAOYSA-N
Pubchem ID :74852

Safety of [ 2032-35-1 ]

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H301-H315-H319-H330
Precautionary Statements:P260-P264-P271-P302+P352-P304+P340+P310-P305+P351+P338
Class:6.1
UN#:2810
Packing Group:

Computational Chemistry of [ 2032-35-1 ] Show Less

Physicochemical Properties

Num. heavy atoms 9
Num. arom. heavy atoms 0
Fraction Csp3 1.0
Num. rotatable bonds 5
Num. H-bond acceptors 2.0
Num. H-bond donors 0.0
Molar Refractivity 41.0
TPSA ?

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

18.46 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

2.56
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

1.59
Log Po/w (WLOGP)?

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

1.78
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.

1.53
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

1.56
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.8

Water Solubility

Log S (ESOL):?

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

-1.73
Solubility 3.64 mg/ml ; 0.0185 mol/l
Class?

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

Very soluble
Log S (Ali)?

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

-1.59
Solubility 5.08 mg/ml ; 0.0258 mol/l
Class?

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

Very 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

-2.25
Solubility 1.1 mg/ml ; 0.00556 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

No
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.

-6.37 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

2.0 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)

2.87

Application In Synthesis of [ 2032-35-1 ]

* 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.

  • Upstream synthesis route of [ 2032-35-1 ]
  • Downstream synthetic route of [ 2032-35-1 ]

[ 2032-35-1 ] Synthesis Path-Upstream   1~2

  • 1
  • [ 106-45-6 ]
  • [ 2032-35-1 ]
  • [ 14315-14-1 ]
YieldReaction ConditionsOperation in experiment
2.77 g
Stage #1: With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 15 h;
Stage #2: at 175℃; for 0.75 h;
12116] Step 112117] A mixture of 5.2 g ofbromoacetaldehyde diethylacetal and 10 ml of tetrahydrofuran was added to a mixture of 4.00 g of 4-methylbenzenethiol, 1.4 g of 60percent sodium hydride, and 35 ml of tetrahydroffiran. The reaction mixture was stirred for 15 hours at room temperature. Ten (10) ml of aqueous saturated ammonium chloride solution was added to the reaction mixture, and extraction was performed three times by using tert-butyl methyl ether. The collected organic layer was washed with water and saturated saline, dried over magnesium sulfate, and then concentrated under reduced pressure. The residues were added to a mixture of 5 g of diphosphorus pentoxide and lOg ofphosphoric acid that had been stirred for 45 minutes at 175° C., and the residue was stirred for 5 minutes. The reaction mixture was poured into ice water, and extraction was performed three times by using tert-butyl methyl ethet The collected organic layer was washed with water and saturated saline, dried over magnesium sulfate, and then concentrated under reduced pressure. The residues were subjected to silica gel colunm chromatography, thereby obtaining 2.77 g of 5-methylbenzo[b] thiophene
References: [1] Patent: US2015/282482, 2015, A1, . Location in patent: Paragraph 2116; 2117.
  • 2
  • [ 4214-76-0 ]
  • [ 2032-35-1 ]
  • [ 25045-82-3 ]
YieldReaction ConditionsOperation in experiment
77.6%
Stage #1: With hydrogenchloride In ethanol at 20℃; Reflux
Stage #2: at 20℃;
In a 250 mL single-necked flask, bromoacetaldehyde diethyl acetal (42.5 g, 215.7 mmol) was dissolved in 1 mol / L HCL(120 mL) and ethanol (20 mL), stirred at room temperature for 30 min, heated to reflux, stirred until the solution was clear, cooled to room temperature,Add NaHCO3 adjusted to near neutral,2-Amino-5-nitropyridine (15.0 g, 107.8 mmol) was added and reacted at room temperatureovernight. The reaction was completed, extracted with ethyl acetate (100mL × 3), the organic phase was collected and the solvent was evaporated to dryness under reduced pressure. The residue was passed through a silica gel column (PE:EA = 2: 1) to give 13.7 g of 6-nitroimidazo [1,2-a] pyridine yellow-brown crystals in a yield of 77.6percent.
References: [1] Patent: CN107129496, 2017, A, . Location in patent: Paragraph 0026-0028; 0014-0016; 0020-0022.
 

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