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Chemical Structure| 60656-87-3 Chemical Structure| 60656-87-3

Structure of 2-(Benzyloxy)acetaldehyde
CAS No.: 60656-87-3

Chemical Structure| 60656-87-3

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Product Details of [ 60656-87-3 ]

CAS No. :60656-87-3
Formula : C9H10O2
M.W : 150.17
SMILES Code : O=CCOCC1=CC=CC=C1
MDL No. :MFCD00191779
InChI Key :NFNOAHXEQXMCGT-UHFFFAOYSA-N
Pubchem ID :108989

Safety of [ 60656-87-3 ]

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

Computational Chemistry of [ 60656-87-3 ] Show Less

Physicochemical Properties

Num. heavy atoms 11
Num. arom. heavy atoms 6
Fraction Csp3 0.22
Num. rotatable bonds 4
Num. H-bond acceptors 2.0
Num. H-bond donors 0.0
Molar Refractivity 42.31
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.

1.36
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

1.1
Log Po/w (WLOGP)?

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

1.25
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.

1.17
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

2.18
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.41

Water Solubility

Log S (ESOL):?

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

-1.6
Solubility 3.74 mg/ml ; 0.0249 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.

-1.24
Solubility 8.54 mg/ml ; 0.0569 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

-2.88
Solubility 0.199 mg/ml ; 0.00133 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.

-6.44 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)

1.15

Application In Synthesis of [ 60656-87-3 ]

* 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 [ 60656-87-3 ]

[ 60656-87-3 ] Synthesis Path-Downstream   1~15

  • 1
  • [ 103-82-2 ]
  • [ 598-45-8 ]
  • [ 60656-87-3 ]
  • [ 95753-55-2 ]
  • (S)-2-[(2-Benzyloxy-1-isopropylcarbamoyl-ethyl)-phenylacetyl-amino]-3-(4-nitro-phenyl)-propionamide [ No CAS ]
  • 2
  • [ 107-93-7 ]
  • [ 119072-55-8 ]
  • [ 60656-87-3 ]
  • [ 95753-55-2 ]
  • (E)-But-2-enoic acid (2-benzyloxy-1-tert-butylcarbamoyl-ethyl)-[(S)-1-carbamoyl-2-(4-nitro-phenyl)-ethyl]-amide [ No CAS ]
  • 3
  • [ 107-93-7 ]
  • [ 88333-03-3 ]
  • [ 60656-87-3 ]
  • [ 95753-55-2 ]
  • (E)-But-2-enoic acid (1-benzylcarbamoyl-2-benzyloxy-ethyl)-[(S)-1-carbamoyl-2-(4-nitro-phenyl)-ethyl]-amide [ No CAS ]
  • 4
  • [ 119072-55-8 ]
  • [ 60656-87-3 ]
  • [ 1798-09-0 ]
  • [ 95753-55-2 ]
  • 2-{(2-benzyloxy-1-<i>tert</i>-butylcarbamoyl-ethyl)-[(3-methoxy-phenyl)-acetyl]-amino}-3-(4-nitro-phenyl)-propionamide [ No CAS ]
  • 5
  • [ 88333-03-3 ]
  • [ 60656-87-3 ]
  • [ 1798-09-0 ]
  • [ 95753-55-2 ]
  • (S)-2-{(1-Benzylcarbamoyl-2-benzyloxy-ethyl)-[2-(3-methoxy-phenyl)-acetyl]-amino}-3-(4-nitro-phenyl)-propionamide [ No CAS ]
  • 6
  • [ 931-53-3 ]
  • [ 60656-87-3 ]
  • [ 802294-64-0 ]
  • [ 95753-55-2 ]
  • (S)-2-[(2-Benzyloxy-1-cyclohexylcarbamoyl-ethyl)-propionyl-amino]-3-(4-nitro-phenyl)-propionamide [ No CAS ]
  • 7
  • [ 598-45-8 ]
  • [ 60656-87-3 ]
  • [ 802294-64-0 ]
  • [ 95753-55-2 ]
  • (S)-2-[(2-Benzyloxy-1-isopropylcarbamoyl-ethyl)-propionyl-amino]-3-(4-nitro-phenyl)-propionamide [ No CAS ]
  • 8
  • [ 931-53-3 ]
  • [ 60656-87-3 ]
  • [ 95753-55-2 ]
  • [ 65-85-0 ]
  • <i>N</i>-(2-benzyloxy-1-cyclohexylcarbamoyl-ethyl)-<i>N</i>-[1-carbamoyl-2-(4-nitro-phenyl)-ethyl]-benzamide [ No CAS ]
  • 9
  • [ 88333-03-3 ]
  • [ 60656-87-3 ]
  • [ 95753-55-2 ]
  • [ 107-92-6 ]
  • <i>N</i>-(1-benzylcarbamoyl-2-benzyloxy-ethyl)-<i>N</i>-[1-carbamoyl-2-(4-nitro-phenyl)-ethyl]-butyramide [ No CAS ]
  • 10
  • [ 60656-87-3 ]
  • [ 1421-65-4 ]
  • [ 880262-24-8 ]
  • 11
  • [ 60656-87-3 ]
  • [ 245660-15-5 ]
  • [ 915065-44-0 ]
YieldReaction ConditionsOperation in experiment
With sodium tris(acetoxy)borohydride; In 1,1-dichloroethane; at 20℃; A mixture of 4-hydroxybutylamine (4.0 g, 44.9 mmol), tørt-butyldimethyl-silyl chloride (7.4 g, 49.3 mmol) and imidazole (6.7 g, 98.7 mmol) in dichloromethane (150 mL) was stirred at room temperature for 2 hours. The product mixture was washed successively with aqueous NaHCO3, water, EPO <DP n="67"/>and brine. The organic extract was dried over anhydrous sodium sulfate, filtered, and concentrated under vacuum. This intermediate silylated aminoalcohol was used without further purification. To a mixture of the amine (1.0 g, 4.9 mmol) and benzyloxyacetaldehyde (0.74 g, 4.9 mmol) in dichloroethane (15 mL) at room temperature, sodium triacetoxyborohydride (1.3 g, 6.3 mmol) was added. The reaction mixture was concentrated under vacuum. The residue was partitioned between ethyl acetate and aqueous sodium carbonate. The organic extract was dried over anhydrous sodium sulfate, filtered, and concentrated under vacuum. The residue was subjected to column chromatography on silica gel eluting with 2% methanol in dichloromethane. Collection and concentration of appropriate fractions afforded the title silyloxybutyl-amine. lH NMR (400 MHz, CDCI3) δ 7.33 -7.25 (m, 5H), 4.51 (s, 2H), 3.60 (m, 4H), 2.79 (br t, J = 4.9 Hz, 2H)52.60 (br t, 2 H), 1.52 (br signal, 5 H), 0.87 (s, 9H), 0.03 (s, 6H).
  • 12
  • [ 60656-87-3 ]
  • [ 57497-39-9 ]
  • [ 850536-73-1 ]
YieldReaction ConditionsOperation in experiment
49% In methanol; at 20℃; for 24h; Example 15 N-Cyclohexyl-C- (benzyloxy) methyl nitrone Benzyloxy acetaldehyde (500 mg, 3.33 mmol) and tert-butyl hydroxyl amine hydrochloride (596 mg, 4.0 mmol) in methanol (lOmL) were stirred together at ambient temperature for 24 hrs. The mixture was then concentrated to dryness, the crude mixture was dissolved in ethyl acetate (20 ml), washed with water (2 x 40 ml), dried (Na2SO4) and concentrated and the crude product was chromatographed on silica gel to obtain the title compound (363 mg, 49percent). MS: m/z = 248 (MH+).
  • 13
  • [ 60656-87-3 ]
  • [ 1138444-17-3 ]
  • [ 1621706-20-4 ]
YieldReaction ConditionsOperation in experiment
95% 6-Bromo-2-chloro-3-iodopyridine (1.50 g, 4.71 mmol) was dissolved in THF (15 mL) and cooled to -78 C, followed by addition of isopropylmagnesium chloride-lithium chloride complex (3.99 mL, 5.18 mmol). The mixture was stirred at -78C for 1 h. 2- (benzyloxy)acetaldehyde (0.849 g, 5.65 mmol) was added and the resulting mixture warmed to 0C and stirred for 2 h. The mixture was treated with saturated NH4C1 and extracted with ethylacetate. The organic layer was washed with brine, dried (Na2SO4), filtered and concentrated in vacuo to gave 2-(benzyloxy)-1-(6-bromo-2-chloropyridin-3-yl)ethanol (1.54g, yield: 95%). MS (M+H): 344.
95% 6-Bromo-2-chloro-3-iodopyridine (1.50 g, 4.71 mmol) was dissolved in THF (15mL) and cooled to -78 C, followed by addition of isopropylmagnesium chloride-lithiumchloride complex (3. 99 mL, 5.18 mmol). The mixture was stirred at -78C for 1 h. 2-(benzyloxy)acetaldehyde (0.849 g, 5.65 mmol) was added and the resulting mixture warmed to0 oc and stirred for 2 h. The mixture was treated with saturated NH4Cl and extracted with ethyl10 acetate. The organic layer was washed with brine, dried (Na2S04), filtered and concentrated in15vacuo to gave 2-(benzyloxy)-1-(6-bromo-2-chloropyridin-3-yl)ethanol (1.54g, yield: 95%). MS(M+Ht: 344.
  • 14
  • [ 7724-12-1 ]
  • [ 60656-87-3 ]
  • 6-(2-benzyloxyethylamino)-2-cyanobenzothiazole [ No CAS ]
  • 15
  • [ 60656-87-3 ]
  • [ 399-25-7 ]
  • 2-(benzyloxy)-3-(2-fluorophenyl)-4-nitrobutanal [ No CAS ]
  • 2-(benzyloxy)-3-(2-fluorophenyl)-4-nitrobutanal [ No CAS ]
YieldReaction ConditionsOperation in experiment
With N,N-dimethylbenzylamine prolinol trimethylsilyl ether; benzoic acid; In isopropyl alcohol; at 25℃; for 24h; General procedure: The synthesis of catalysts 1 and 2,13 along with ILS-PhCO2H14 is described elsewhere. For the Michael reactions herein, benzyloxyacetaldehyde (0.8mmol) was added to a solution of the catalyst (0.02mmol, 5mol%), nitroolefin (0.4mmol) and benzoic acid (0.2mmol, 50mol%) in isopropanol (0.5mL) at room temperature. The reaction mixture was stirred until complete conversion of the starting materials (monitored by TLC). The solvent was removed and the product was purified by flash column chromatography (silica gel, hexane/AcOEt) to afford the Michael adduct. Percentage yields and syn/anti ratios were determined by 1H NMR spectroscopy. Racemates were synthesized using morpholine as a catalyst in order to identify enantiomers. Enantiomeric excess determinations were made based on comparisons with previously reported literature for determinations.16 Similar chiral HPLC conditions were used for the separation of the enantiomers for each reaction and based on the retention times, NMR and IR data, the identity of each enantiomer was determined.
 

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