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Chemical Structure| 676134-68-2 Chemical Structure| 676134-68-2

Structure of 676134-68-2

Chemical Structure| 676134-68-2

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Product Details of [ 676134-68-2 ]

CAS No. :676134-68-2
Formula : C9H7BrO2
M.W : 227.05
SMILES Code : O=C1COCC2=C1C=C(Br)C=C2
MDL No. :MFCD09744079
InChI Key :KOROTCDTJPLXMA-UHFFFAOYSA-N
Pubchem ID :45489802

Safety of [ 676134-68-2 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302
Precautionary Statements:P280-P305+P351+P338

Computational Chemistry of [ 676134-68-2 ] Show Less

Physicochemical Properties

Num. heavy atoms 12
Num. arom. heavy atoms 6
Fraction Csp3 0.22
Num. rotatable bonds 0
Num. H-bond acceptors 2.0
Num. H-bond donors 0.0
Molar Refractivity 48.27
TPSA ?

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

26.3 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

2.02
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

1.84
Log Po/w (WLOGP)?

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

2.01
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.

1.5
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

3.08
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

2.09

Water Solubility

Log S (ESOL):?

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

-2.78
Solubility 0.379 mg/ml ; 0.00167 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.

-2.01
Solubility 2.2 mg/ml ; 0.00971 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

-3.72
Solubility 0.0437 mg/ml ; 0.000192 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.

-6.38 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

0.0
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)

2.13

Application In Synthesis of [ 676134-68-2 ]

* 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 [ 676134-68-2 ]

[ 676134-68-2 ] Synthesis Path-Downstream   1~3

  • 1
  • [ 676134-67-1 ]
  • [ 676134-68-2 ]
YieldReaction ConditionsOperation in experiment
86% With methanol; at 20℃; Step Two; 6-Bromo-isochroman-4-one; 0 Bt . COoH i AD) i . Br C02H 1. Ac2O 0 i OC02H 2. Basic Resin i O A solution of Bromo-2-carboxymethoxymethyl-benzoic acid in acetic anhydride (350 mL) containing potassium acetate (170 g) was heated at reflux for 2 h. The reaction mixture was cooled to room temperature and concentrated under reduced pressure and the residue partitioned between ethyl acetate and water. The phases were separated and the aqueous phase extracted with ethyl acetate. The combined ethyl acetate phase was then washed with saturated sodium chloride, dried (sodium sulfate), filtered, and concentrated to yield a red semi-solid. Purification by flash column chromatography over silica (85 : 15 hexanes/ethyl acetate) gave the enol acetate (7.59 g, 29% for three steps) as a golden syrup : 1H NMR (300 MHz, CDC13) 8 7.37 (dd, J = 8.2, 1.9 Hz, 1H), 7.19 (d, J = 1.9 Hz, 1H), 6.82 (d, J = 8.2 Hz, 1H), 5.04 (s, 2H), 2.29 (s, 3H). Unactivated Dowex 500A OH anion exchange resin (1 g) added in one portion to a solution of the acetate enol acetate (5.95 g, 22.11 mmol) in methanol (50 mL) and the reaction mixture stirred at room temperature overnight. The reaction mixture was gravity filtered and the resin washed with fresh methanol. The combined filtrate was then concentrated under reduced pressure to yield 6-Bromo- isochroman-4-one (4.32 g, 86%) as a yellow oil, which solidified on standing
  • 2
  • [ 676134-68-2 ]
  • [ 676134-70-6 ]
YieldReaction ConditionsOperation in experiment
95% With sodium tetrahydroborate; In ethanol; water; at 0 - 20℃; for 2.0h; Step Three; 6-Bromo-isochroman-4-ol; A solution of sodium borohydride (300 mg, 7.93 mmol) dissolved in a minimum amount of ice cold water was added dropwise at 0 C to a solution of 6-Bromo-isochroman-4-one (1.49 g, 6.56 mmol) in absolute ethanol (27.0 mL). The reaction mixture was stirred at room temperature for 2 h. The reaction mixture was partitioned between ethyl acetate and saturated sodium bicarbonate solution. The phases were separated and the organic phase washed with water and saturated sodium chloride, dried (sodium sulfate), filtered, and concentrated under reduced pressure to yield 6-Bromo-isochroman-4-ol (1.44 g, 95%) as a white solid
95% With sodium tetrahydroborate; In ethanol; at 0 - 20℃; for 2.0h; A solution of sodium borohydride (300 mg, 7.93 mmol) in a minimum amount of ice cold water was added dropwise at 0 C to a solution of 6- bromo-isochromen-4-one (1.49 g, 6.56 mmol) in absolute ethanol (27.0 mL). The reaction mixture was stirred at room temperature for 2 h. The reaction mixture was partitioned between ethyl acetate and saturated sodium bicarbonate solution. The phases were separated and the organic phase was washed with water and saturated sodium chloride, dried (sodium sulfate), filtered, and concentrated under reduced pressure to yield 6-Bromo- isochromen-4-ol (1.44 g, 95%) as a white solid :'H NMR (300 MHz, CDCl3) No. 7.40 (dd, J= 8.3, 1.8 Hz, 1H), 7.30 (d, J= 8.3 Hz, 1H), 7.15 (d, J= 1.8 Hz, 1H), 4.63 (ABq, J= 15.3 Hz, 2H), 4.49 (d, J= 8.6 Hz, 1H), 4.07 (dd, J= 12.0, 2.8 Hz, 1 H), 3.83 (dd, J = 12.0, 2.8 Hz, 1 H) 2. 60 (d, J = 9.2 Hz, 1 H).
  • 3
  • C10H7BrO4 [ No CAS ]
  • [ 676134-68-2 ]
YieldReaction ConditionsOperation in experiment
86% With Dowex 500A; In methanol; at 20℃; A solution of bromo-2-carboxymethoxymethyl-benzoic acid in acetic anhydride (350 mL) containing potassium acetate (170 g) was heated at reflux for 2 h. The reaction mixture was cooled to room temperature and concentrated under reduced pressure and the residue partitioned between ethyl acetate and water. The phases were separated and the aqueous phase extracted with ethyl acetate. The combined organic phase was then washed with saturated sodium chloride, dried (sodium sulfate), filtered, and concentrated to yield a red semi-solid. Purification by flash column chromatography over silica (85: 15 hexanes/ethyl acetate) yielded the enol acetate (7.59 g, 29% for three steps) as a golden syrup :'H NMR (300 MHz, Ceci3) 8 7.37 (dd, J= 8.2, 1.9 Hz, 1H), 7.19 (d, J= 1.9 Hz, 1H), 6.82 (d, J= 8.2 Hz, 1H), 5.04 (s, 2H), 2.29 (s, 3H). Unactivated Dowex 500A OH anion exchange resin (1 g) added in one portion to a solution of the acetate enol acetate (5.95 g, 22.11 mmol) in methanol (50 mL) and the reaction mixture stirred at room temperature overnight. The reaction mixture was gravity filtered and the resin washed with fresh methanol. The combined filtrate was then concentrated under reduced pressure to yield 6-bromo-isochromen-4- one (4.32 g, 86%) as a yellow oil, which solidified on standing :'H NMR (300 MHz, Ceci3) 8 7.90 (d, J = 8.3 Hz, 1 H), 7.56 (dd, J = 8.3, 1.7 Hz, 1 H), 7.41 (d, J = 1.7 Hz, 1 H), 4.86 (s, 2H), 4.36 (s, 2H).
 

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