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Chemical Structure| 7686-77-3 Chemical Structure| 7686-77-3

Structure of 7686-77-3

Chemical Structure| 7686-77-3

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CAS No.: 7686-77-3

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Product Details of [ 7686-77-3 ]

CAS No. :7686-77-3
Formula : C6H8O2
M.W : 112.13
SMILES Code : O=C(C1CC=CC1)O
MDL No. :MFCD00101764
InChI Key :XVSYDLITVYBCBD-UHFFFAOYSA-N
Pubchem ID :853756

Safety of [ 7686-77-3 ]

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H314-H290
Precautionary Statements:P501-P234-P264-P280-P390-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P406-P405
Class:8
UN#:3265
Packing Group:Ⅲ

Computational Chemistry of [ 7686-77-3 ] Show Less

Physicochemical Properties

Num. heavy atoms 8
Num. arom. heavy atoms 0
Fraction Csp3 0.5
Num. rotatable bonds 1
Num. H-bond acceptors 2.0
Num. H-bond donors 1.0
Molar Refractivity 30.14
TPSA ?

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

37.3 ?2

Lipophilicity

Log Po/w (iLOGP)?

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

1.13
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

0.91
Log Po/w (WLOGP)?

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

1.04
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.

0.77
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

0.66
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

0.9

Water Solubility

Log S (ESOL):?

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

-1.04
Solubility 10.2 mg/ml ; 0.0907 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.

-1.28
Solubility 5.9 mg/ml ; 0.0526 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

0.12
Solubility 147.0 mg/ml ; 1.31 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.

-6.34 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.

0.56

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)

 2.76

Application In Synthesis of [ 7686-77-3 ]

* 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 [ 7686-77-3 ]

[ 7686-77-3 ] Synthesis Path-Downstream   1~3

  • 1
  • [ 7686-77-3 ]
  • [ 99-14-9 ]
  • 2
  • [ 7686-77-3 ]
  • [ 21622-01-5 ]
  • 3
  • [ 64-17-5 ]
  • [ 7686-77-3 ]
  • [ 21622-01-5 ]
YieldReaction ConditionsOperation in experiment
89.42% With thionyl chloride; at 5 - 20℃; for 1.5h; Example 1 Preparation of ethyl-3-cyclopentene-1-carboxylate (5) A solution of 3-cyclopentene-1-carboxylic acid (500 g, 4.45 mole) in ethanol (500 mL) was stirred at 5-10 C. Then thionyl chloride (257.59 g, 2.16 mole) was added in a drop wise manner for 1 hr. After complete addition was over, the reaction mixture was stirred at room temperature for 30 min. The reaction mixture was poured into the water (1000 mL) and extracted with ethyl acetate (2*250 mL). The ethyl acetate layer was washed with 10% sodium carbonate solution (500 mL), with water (2*500 mL) and concentrated to give ethyl-3-cyclopentene-1-carboxylate (5). Yield: 558 g, 89.42%.
84% With thionyl chloride; at 5 - 20℃; for 0.5h; [00208] To a solution of 3-cyclopentene-1-carboxylic acid (200 g, 1.79 mol) in ethanol (2 L) was added thionyl chloride (106 g, 0.892 mol) dropwise at 5-10C. The reaction mixture was stirred at room temperature for 0.5 h. The mixture was poured into water and then extracted with EtOAc (2 L). The organic layer was washed with 10% aqueous sodium carbonate, dried over anhydrous Na2SO4 and concentrated to afford ethyl cyclopent-3-ene-1-carboxylate (210 g, 84% yield) as a pale yellow oil.
54% With thionyl chloride; at 0 - 20℃; To a stirred solution of cyclopent- 3-enecarboxylic acid (10 g, 89.3 mmol) in anhydrous ethanol (30 mL) was added sulfurous dichloride (15.9 g, 134 mmol) at 0 C. The reaction mixture was stirred at roomtemperature overnight and then concentrated. The residue was poured into water. The resulting mixture was extracted with ethyl acetate (3 x 100 mL). The combined organic layers were washed with brine, dried over anhydrous sodium sulfate and filtered. The filtrate was concentrated and the residue was purified by silica gel columnchromatography (2.5 % ethyl acetate in petroleum ether) to give the desired product (6.7 g, 47.9 mmol, yield = 54%) as a yellow oil which was used in the next step without further purification. 1H NMR (400 MHz, CDC13) δ ppm 5.66 (s, 2H), 4.18-4.10 (m, 2H), 3.16- 3.05(m, 1H), 2.66 (s, 2H), 2.63 (s, 2H), 1.29-1.24 (t, J=9.4, 3H).
 

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