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Chemical Structure| 40052-13-9 Chemical Structure| 40052-13-9
Chemical Structure| 40052-13-9

mono-tert-Butyl malonate

CAS No.: 40052-13-9

4.5 *For Research Use Only !

Cat. No.: A104350 Purity: 97%

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Product Details of [ 40052-13-9 ]

CAS No. :40052-13-9
Formula : C7H12O4
M.W : 160.17
SMILES Code : CC(C)(C)OC(=O)CC(O)=O
MDL No. :MFCD00191886
InChI Key :NGGGZUAEOKRHMA-UHFFFAOYSA-N
Pubchem ID :545853

Safety of [ 40052-13-9 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H317-H319
Precautionary Statements:P280-P305+P351+P338

Calculated chemistry of [ 40052-13-9 ] Show Less

Physicochemical Properties

Num. heavy atoms 11
Num. arom. heavy atoms 0
Fraction Csp3 0.71
Num. rotatable bonds 4
Num. H-bond acceptors 4.0
Num. H-bond donors 1.0
Molar Refractivity 38.86
TPSA ?

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

63.6 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

1.45
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

0.8
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.

0.6
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

0.29
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

0.79

Water Solubility

Log S (ESOL):?

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

-1.07
Solubility 13.5 mg/ml ; 0.0845 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.

-1.72
Solubility 3.07 mg/ml ; 0.0192 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

-0.55
Solubility 45.5 mg/ml ; 0.284 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

No
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.

-6.71 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)

1.68

Application In Synthesis [ 40052-13-9 ]

* 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 [ 40052-13-9 ]

[ 40052-13-9 ] Synthesis Path-Downstream   1~7

  • 1
  • [ 186581-53-3 ]
  • [ 40052-13-9 ]
  • [ 42726-73-8 ]
  • 2
  • [ 7583-53-1 ]
  • [ 40052-13-9 ]
  • [ 127945-26-0 ]
  • 3
  • [ 42726-73-8 ]
  • [ 40052-13-9 ]
  • 5
  • [ 67-56-1 ]
  • [ 40052-13-9 ]
  • [ 42726-73-8 ]
YieldReaction ConditionsOperation in experiment
91% With hafnium(IV) chloride tetrahydrofuran complex; at 20℃; for 48h; A 200 mL round-bottom flask equipped with a stirring bar was charged with compound 6 (3.0 g, 18.7 mmol) and methyl alcohol (70 mL). To the solution, hafnium(IV) chloride tetrahydrofuran complex (1:2) (88 mg, 0.19 mmol) was added. The reaction was allowed to stir for 2 days at room temperature. To the reaction mixture, brine was added and extracted with CH2Cl2 (3*), dried over MgSO4, and concentrated in vacuo. The remaining residue was purified by silica gel column chromatography (hexanes/AcOEt = 50:50) to afford the desired product 7 (3.0 g, 91percent) as a colorless oil. 1H NMR (400 MHz, CDCl3) delta 3.74 (s, 3H), 3.30 (s, 2H), 1.47 (s, 9H); 13C NMR (100 MHz, CDCl3) delta 167.5, 165.8, 82.1, 52.3, 42.7, 27.9; HR-FAB MS calcd for C8H15O4 [M+H]+ 175.0883, found 175.0875.
  • 6
  • [ 27913-96-8 ]
  • [ 40052-13-9 ]
  • [ 1130832-65-3 ]
  • [ 934-22-5 ]
  • C32H41N5O9S [ No CAS ]
YieldReaction ConditionsOperation in experiment
General procedure: A solution of 1H-benzo[d]imidazol-5-amine (1 eq.) and the respective aldehyde (1 eq.) in dry methanol (1-3 ml per mmol) was stirred at room temperature for 3 hours. After addition of mono-tert-Butyl malonate (1 eq.) and 1-isocyano-2-methylpropan-2-yl methyl carbonate (1 eq.) stirring was continued for 48 hours. The solvent was evaporated and the residue was purified by flash chromatography on silica gel using a CHCl3/MeOH gradient.
  • 7
  • [ 40052-13-9 ]
  • [ 56621-89-7 ]
  • t-butyl 3-((2-methoxypyrimidin-5-yl)amino)-3-oxopropanoate [ No CAS ]
YieldReaction ConditionsOperation in experiment
2.12 g With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In dichloromethane; for 2h;Reflux; A solution of 3-(t-butoxy)-3-oxopropionic acid (CAS No. 40052-13-9) (1.41 g, 8.79 mmol, 1.1 equivalents), <strong>[56621-89-7]2-methoxypyrimidin-5-amine</strong> (CAS No. 56621-89-7) (1.00 g, 7.99 mmol, 1.0 equivalents), triethylamine (1.34 mL, 9.59 mmol, 1.2 equivalents) and EDC (1.84 g, 9.59 mmol, 1.2 equivalents) in DCM (20 mL) was heated to reflux for 2 hours. The reaction mixture was cooled down to room temperature. To the reaction mixture was added a saturated aqueous sodium hydrogen carbonate solution, and the mixture was extracted with DCM. The organic layer was concentrated under reduced pressure. The residue was purified with silica gel column chromatography (silica gel, 50%-100% ethyl acetate/n-heptane) to afford the title compound (2.12 g). 1H-NMR (400 MHz, CDCl3) delta (ppm): 1.52 (s, 9H), 3.42 (s, 2H), 4.01 (s, 3H), 8.76 (s, 2H), 9.52 (br. s, 1H).
 

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