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Chemical Structure| 400822-47-1 Chemical Structure| 400822-47-1

Structure of 400822-47-1

Chemical Structure| 400822-47-1

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Product Details of [ 400822-47-1 ]

CAS No. :400822-47-1
Formula : C9H9BrO
M.W : 213.07
SMILES Code : CC1=CC(C=O)=CC(C)=C1Br
MDL No. :MFCD08063822
InChI Key :USONNBCBJMNJIU-UHFFFAOYSA-N
Pubchem ID :22259686

Safety of [ 400822-47-1 ]

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

Computational Chemistry of [ 400822-47-1 ] Show Less

Physicochemical Properties

Num. heavy atoms 11
Num. arom. heavy atoms 6
Fraction Csp3 0.22
Num. rotatable bonds 1
Num. H-bond acceptors 1.0
Num. H-bond donors 0.0
Molar Refractivity 49.46
TPSA ?

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

17.07 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

2.11
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

2.8
Log Po/w (WLOGP)?

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

2.88
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.

2.82
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

3.58
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

2.84

Water Solubility

Log S (ESOL):?

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

-3.26
Solubility 0.116 mg/ml ; 0.000546 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.

-2.82
Solubility 0.326 mg/ml ; 0.00153 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

-3.98
Solubility 0.0224 mg/ml ; 0.000105 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.

-5.61 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

1.0 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)

1.18

Application In Synthesis of [ 400822-47-1 ]

* 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.

  • Downstream synthetic route of [ 400822-47-1 ]

[ 400822-47-1 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 100189-84-2 ]
  • [ 68-12-2 ]
  • [ 400822-47-1 ]
YieldReaction ConditionsOperation in experiment
47% Step 1: A solution of <strong>[100189-84-2]2,5-dibromoxylene</strong> (2.0 g, 7.6 mmol) in DCM (20 ml) was treated with n-BuLi (2.5 M solution in hexane, 3 ml, 1.0 equiv.) at -78C. After stirring for 1h, DMF (1.8 ml, 23 mmol, 3 eq.) was added and the solution was allowed to warm to room temperature. It was acidified to pH 2 with 5% hydrochloric acid and extracted with diethyl ether (3x50 ml). The combined organic phase was dried and evaporated and the residue was purified by column chromatography using PE:EA = 10:1 as eluent to give 4-bromo-3,5-dimethylbenzaldehyde (0.76 g, yield: 47%).
A solution of <strong>[100189-84-2]2,5-dibromoxylene</strong> (8.0 g, 30.3 mmol) in diethyl ether (120 mL) is cooled to -78 C. and then treated with n-buthyllithium (20 mL, 1.6 M in hexane). After stirring for 40 min, DMF (6 mL) is slowly added. The mixture is warmed to rt and stirred for 1 h. The mixture is cooled again to -78 C. before another portion of n-butyllithium (5 mL) is added. The reaction mixture is allowed to warm to rt and stirred for another hour. The reaction is quenched by adding 5% aq. HCl. The mixture is extracted with EA, and the extract is concentrated in vacuo. The crude product is purified by CC on silica gel eluting with heptane:EA 5:1 to give 4-bromo-3,5-dimethyl-benzaldehyde (8.2 g) as a white soft solid.
A solution of <strong>[100189-84-2]2,5-dibromoxylene</strong> (8.0 g, 30.3 mmol) in diethyl ether (120 ml_) is cooled to -78C and then treated with n-buthyllithium (20 ml_, 1.6 M in hexane). After stirring for 40 min, DMF (6 ml_) is slowly added. The mixture is warmed to rt and stirred for 1 h. The mixture is cooled again to -78C before another portion of n- butyllithium (5 ml_) is added. The reaction mixture is allowed to warm to rt and stirred for another hour. The reaction is quenched by adding 5% aq. HCI. The mixture is extracted with EA, and the extract is concentrated in vacuo. The crude product is purified by CC on silica gel eluting with heptane:EA 5:1 to give 4-bromo- 3,5-dimethyl-benzaldehyde (8.2 g) as a white soft solid.
  • 2
  • [ 100189-84-2 ]
  • [ 400822-47-1 ]
YieldReaction ConditionsOperation in experiment
With hydrogenchloride; n-butyllithium; In diethyl ether; hexane; N,N-dimethyl-formamide; a) A solution of <strong>[100189-84-2]2,5-dibromoxylene</strong> (8.0 g, 30.3 mmol) in diethyl ether (120 mL) is cooled to -78C and then treated with n-buthyllithium (20 mL, 1.6 M in hexane). After stirring for 40 min, DMF (6 mL) is slowly added. The mixture is warmed to rt and stirred for 1 h. The mixture is cooled again to -78C before another portion of n-butyllithium (5 mL) is added. The reaction mixture is allowed to warm to rt and stirred for another hour. The reaction is quenched by adding 5% aq. HCl. The mixture is extracted with EA, and the extract is concentrated in vacuo. The crude product is purified by CC on silica gel eluting with heptane:EA 5:1 to give 4-bromo-3,5-dimethyl-benzaldehyde (8.2 g) as a white soft solid.
 

Historical Records

Technical Information

• Alkyl Halide Occurrence • Barbier Coupling Reaction • Baylis-Hillman Reaction • Benzylic Oxidation • Birch Reduction • Blanc Chloromethylation • Bucherer-Bergs Reaction • Clemmensen Reduction • Complex Metal Hydride Reductions • Corey-Chaykovsky Reaction • Corey-Fuchs Reaction • Fischer Indole Synthesis • Friedel-Crafts Reaction • General Reactivity • Grignard Reaction • Hantzsch Dihydropyridine Synthesis • Henry Nitroaldol Reaction • Hiyama Cross-Coupling Reaction • Horner-Wadsworth-Emmons Reaction • Hydride Reductions • Hydrogenolysis of Benzyl Ether • Julia-Kocienski Olefination • Kinetics of Alkyl Halides • Knoevenagel Condensation • Kumada Cross-Coupling Reaction • Leuckart-Wallach Reaction • McMurry Coupling • Meerwein-Ponndorf-Verley Reduction • Mukaiyama Aldol Reaction • Nozaki-Hiyama-Kishi Reaction • Passerini Reaction • Paternò-Büchi Reaction • Petasis Reaction • Pictet-Spengler Tetrahydroisoquinoline Synthesis • Preparation of Aldehydes and Ketones • Preparation of Alkylbenzene • Preparation of Amines • Prins Reaction • Reactions of Aldehydes and Ketones • Reactions of Alkyl Halides with Reducing Metals • Reactions of Amines • Reactions of Benzene and Substituted Benzenes • Reactions of Dihalides • Reformatsky Reaction • Schlosser Modification of the Wittig Reaction • Schmidt Reaction • Stetter Reaction • Stille Coupling • Stobbe Condensation • Substitution and Elimination Reactions of Alkyl Halides • Suzuki Coupling • Tebbe Olefination • Ugi Reaction • Vilsmeier-Haack Reaction • Wittig Reaction • Wolff-Kishner Reduction

Categories

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[ 400822-47-1 ]

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