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Chemical Structure| 4677-18-3 Chemical Structure| 4677-18-3

Structure of 4677-18-3

Chemical Structure| 4677-18-3

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Product Details of [ 4677-18-3 ]

CAS No. :4677-18-3
Formula : C7H14O2
M.W : 130.19
SMILES Code : OCCC1CCOCC1
MDL No. :MFCD00129068
InChI Key :XZXZZACRGBBWTQ-UHFFFAOYSA-N
Pubchem ID :17750944

Safety of [ 4677-18-3 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P301+P312-P302+P352-P304+P340-P305+P351+P338

Computational Chemistry of [ 4677-18-3 ] Show Less

Physicochemical Properties

Num. heavy atoms 9
Num. arom. heavy atoms 0
Fraction Csp3 1.0
Num. rotatable bonds 2
Num. H-bond acceptors 2.0
Num. H-bond donors 1.0
Molar Refractivity 35.9
TPSA ?

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

29.46 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

1.8
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

0.5
Log Po/w (WLOGP)?

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

0.8
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.

0.57
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

1.55
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.04

Water Solubility

Log S (ESOL):?

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

-0.83
Solubility 19.2 mg/ml ; 0.148 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.

-0.69
Solubility 26.7 mg/ml ; 0.205 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

-0.97
Solubility 13.8 mg/ml ; 0.106 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.

-6.74 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)

1.88

Application In Synthesis of [ 4677-18-3 ]

* 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 [ 4677-18-3 ]

[ 4677-18-3 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 103260-44-2 ]
  • [ 4677-18-3 ]
YieldReaction ConditionsOperation in experiment
100% With sodium hydroxide; In tetrahydrofuran; 2-(4-Oxanyl)ethanol To a stirring suspension of lithium aluminum hydride (5.10 g, 138 mmol) in THF (200 mL) at 0 C. was added drop-wise a solution of ethyl 2-(4-oxanyl)acetate (22.0 g, 138 mmol) in THF (50 mL). The reaction mixture was then heated at reflux overnight. After cooling the mixture in an ice bath, ether (300 mL) was added, followed by drop-wise addition of 5N NaOH, until the formation of heavy white precipitate is complete. The suspension was filtered and the filtrate dried (K2CO3), filtered and concentrated by rotary evaporation to give a colorless liquid (17.7 g, 100%).
93% With lithium aluminium tetrahydride; In tetrahydrofuran; at 0 - 20℃; for 0.5h;Inert atmosphere; c) To a solution of 425 mg (2.5 mmol) of ethyl 2-(tetrahydro-2H-pyran-4- yl)acetate in 10 mL of dry THF cooled at 05C under argon, a 2.71 mL of a solution of LiAII-U 1 M in THF was added. Bubbling was observed. It was stirred at room temperature for 30 min. Then it was quenched with wet EtAcO, dried with MgS04 and filtered through celite, washing with abundant EtAcO. After removing the solvent the desired compound, 2-(tetrahydro-2H-pyran-4-yl)ethanol, was obtained (300 mg, 93%).
77% With lithium aluminium tetrahydride; In tetrahydrofuran; at 11 - 13℃; for 18h; To a mixture of <strong>[103260-44-2]ethyl 2-(tetrahydro-2H-pyran-4-yl)acetate</strong>(20 g, 116 mmol) in anhydrous THF (300 mE) was addedlithium aluminum hydride (8.8 g, 232 mmol) portionwise at0 C. The mixture was stirred at 11-13 C. for 18 h. TEC(petroleum ether: ethyl acetate=3: 1) showed no startingmaterial remaining. The mixture was quenched with water(9 mE), 10% aq. NaOH solution (9 mE) and water (18 mE)successively at 0 C., filtered and concentrated underreduced pressure to give crude 2-(tetrahydro-2H-pyran-4-yl)ethanol (11.7 g, 77%) as an oil, which was used for thenext step directly without further purification. ?H NMR(CDC13, 400 MHz): oe 3.86-3.90 (m, 2H), 3.58-3.61 (t, J=6.4Hz, 2H), 3.32-3.35 (t, J=11.6 Hz, 2H), 2.69-2.70 (m, 1H),1.61-1.63 (m, 3H), 1.54-1.60 (m, 2H), 1.43-1.45 (m, 2H).
66.1% With lithium aluminium tetrahydride; In tetrahydrofuran; ethyl acetate; at 0℃; for 16h; Lithium aluminum hydride (2M solution in THF, 40.66 ml, 81.3 mmol) was cooled at 0 C and a solution of <strong>[103260-44-2]ethyl 2-(tetrahydro-2H-pyran-4-yl)acetate</strong> (14.0 g, 81.3 mmol) in THF (70 ml) was added dropwise. Ethyl acetate (20 ml) was added to the reaction mixture dropwise at 0 C and the resulting mixture was allowed to stir for 16 h. The reaction mixture was filtered through Celite and the filtrate was concentrated to give crude compound. The crude material was purified by column chromatography using mobile phase 0-65% ethyl acetate in hexane to afford the title compound (66.1%). ?H NMR (400MHz, CDC13) & 5.71 (s, 1H), 4.18-4.15 (m, 2H), 3.81-3.75 (m, 4H), 3.05-3.02 (m, 2H), 2.37-2.34 (m, 2H), 1.32- 1.31 (m, 3H).
To 15 mL of tetrahydrofuran (THF) at 0 0C was added LiAlH4 (0.28 g, 7.3 mmol). This mixture was stirred for 10 min then the ethyl tetrahydropyran-4-yl-acetate (Combi- Blocks Inc., 0.50 g, 2.9 mmol) was added. The reaction was stirred for 5 min at 0 0C then was allowed to warm to ambient temperature and was stirred for 90 min. The reaction was quenched with excess NaHSO4-IOH2O and was stirred for 60 min. The mixture was filtered through Celite. The filtrate was concentrated to give the title compound which was carried on without further purification. MS (DCI/NH3) m/z 131 (M+H)+. EPO <DP n="41"/>
To a suspension of lithium aluminium hydride (11 g, 0.29 mol) in dry tetrahydrofuran (350 mL) at 0 C. was added a solution of (tetrahydro-pyran-4-yl)-acetic acid ethyl ester (25 g, 0.145 mol) in dry tetrahydrofuran (100 mL) dropwise. The resulting mixture was then refluxed for 16 h. After cooling to 0 C., the reaction mixture was quenched carefully by slow addition of a saturated sodium carbonate solution (50 mL). The mixture was decanted and the precipitate was washed with tetrahydrofuran (2×200 mL). The combined tetrahydrofuran layers were dried over anhydrous sodium sulfate and then concentrated in vacuo to afford 2-(tetrahydro-pyran-4-yl)-ethanol (13 g, 69%) as a yellow oil which was used in the next step without purification.
With lithium aluminium tetrahydride; In tetrahydrofuran; at 0 - 13℃; for 18h; [00106] To a mixture of <strong>[103260-44-2]ethyl 2-(tetrahydro-2H-pyran-4-yl)acetate</strong> (20 g, 116 mmol) in anhydrous THF (300 mL) was added lithium aluminum hydride (8.8 g, 232 mmol) portionwise at 0 C. The mixture was stirred at 11-13 C for 18 h. TLC (petroleum ether: ethyl acetate = 3: 1) showed no starting material remaining. The mixture was quenched with water (9 mL), 10% aq. NaOH solution (9 mL) and water (18 mL) successively at 0 C, filtered and concentrated under reduced pressure to give crude 2-(tetrahydro-2H-pyran-4- yl)ethanol (11.7 g, 77%) as an oil, which was used for the next step directly without further purification. 1H NMR (CDC13, 400 MHz): delta 3.86-3.90 (m, 2H), 3.58-3.61 (t, J = 6.4 Hz, 2H), 3.32-3.35 (t, J = 11.6 Hz, 2H), 2.69-2.70 (m, 1H), 1.61-1.63 (m, 3H), 1.54-1.60 (m, 2H), 1.43-1.45 (m, 2H).
Intermediate 32: 2-(Tetrahydro-2/-/-pyran-4-yl)ethanolTo an ice-cold solution of lithium aluminium hydride (12.6 ml, 2.3M solution in tetrahydrofuran) in dry tetrahydrofuran (20 ml) and under nitrogen, was added a solution of ethyl tetrahydro-2/-/-pyran-4-yl acetate (5g) in dry tetrahydrofuran dropwise over 10 minutes. Following the addition the reaction was heated to reflux, overnight. The reaction was cooled and diluted with diethyl ether (100 ml). A 5M aqueous solution of sodium hydroxide (-10 ml) was added cautiously to the reaction mixture until the effervescence ceased. The formed white precipitate was filtered off. The resulting filtrate was dried over potassium carbonate, filtered and concentrated in vacuo. This yielded the title compound as a colourless oil (3.3g). MS calcd for (C7H14O2)" = 130 MS found (electrospray): (M+H)+ = 1311 H NMR (DMSO): 4.35 (1 H, t), 3.80 (2H, m), 3.43 (2H, m), 3.25 (2H, m), 1.60 (1 H, m), 1.54 (2H, m), 1.35 (2H, m), 1.13 (2H, m).

 

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