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Chemical Structure| 118994-90-4 Chemical Structure| 118994-90-4

Structure of 118994-90-4

Chemical Structure| 118994-90-4

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Product Details of [ 118994-90-4 ]

CAS No. :118994-90-4
Formula : C4H3NO3
M.W : 113.07
SMILES Code : O=C(C1=CN=CO1)O
MDL No. :MFCD04114931
InChI Key :QCGMEWVZBGQOFN-UHFFFAOYSA-N
Pubchem ID :16340557

Safety of [ 118994-90-4 ]

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

Computational Chemistry of [ 118994-90-4 ] Show Less

Physicochemical Properties

Num. heavy atoms 8
Num. arom. heavy atoms 5
Fraction Csp3 0.0
Num. rotatable bonds 1
Num. H-bond acceptors 4.0
Num. H-bond donors 1.0
Molar Refractivity 23.46
TPSA ?

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

63.33 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

0.62
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

0.2
Log Po/w (WLOGP)?

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

0.37
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.

-1.21
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

0.31
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

0.06

Water Solubility

Log S (ESOL):?

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

-1.06
Solubility 9.77 mg/ml ; 0.0864 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.

-1.09
Solubility 9.22 mg/ml ; 0.0815 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 31.6 mg/ml ; 0.279 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.

-6.85 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

2.0
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

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)

1.79

Application In Synthesis of [ 118994-90-4 ]

* 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 [ 118994-90-4 ]

[ 118994-90-4 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 118994-90-4 ]
  • [ 518048-03-8 ]
  • [ 1064707-05-6 ]
  • 2
  • [ 118994-89-1 ]
  • [ 118994-90-4 ]
YieldReaction ConditionsOperation in experiment
87.5% With lithium hydroxide monohydrate; water; at 25℃; for 6.5h;Large scale; An aqueous solution of lithium hydroxide monohydrate (124.5 kg of a solution preparedfrom 49.44 kg lithium hydroxide monohydrate dissolved in 319 kg water, 398 mol) was added to asolution of <strong>[118994-89-1]ethyl 5-oxazolecarboxylate</strong> (54 kg, 382.7 mol) in water (54 kg) maintaining the temperature below 25 C. The reaction was stirred for 6.5 h and then conc. aqueous HCI (64.8 kg) was added maintaining the temperature below 25 C, the crystallisation cooled to 5 C and held forh. The product was filtered off, washed with cold water (88 kg), then isopropanol (171 kg) anddried under vacuum at 50 C to give the title compound (37.88 kg, 87.S%).1H NMR (400 MHz, DMSO-d6) ppm 13.68 (br. 5., 1 H), 8.59 (5, 1 H), and 7.88 (5, 1 H).
87.5% With lithium hydroxide monohydrate; In water; at 25℃; for 6.5h;Large scale; An aqueous solution of lithium hydroxide monohydrate (124.5 kg of a solution prepared from 49.44 kg lithium hydroxide monohydrate dissolved in 319 kg water, 398 mol) was added to a solution of <strong>[118994-89-1]ethyl 5-oxazolecarboxylate</strong> (54 kg, 382.7 mol) in water (54 kg) maintaining the temperature below 25 C. The reaction was stirred for 6.5 h and then cone, aqueous HCI (64.8 kg) was added maintaining the temperature below 25 C, the crystallisation cooled to 5 C and held for 1 h. The product was filtered off, washed with cold water (88 kg), then isopropanol (171 kg) and dried under vacuum at 50 C to give the title compound (37.88 kg, 87.5%). (0437) *H NMR (400 MHz, DMSO-cfe) delta ppm 13.68 (br. s., 1 H), 8.59 (s, 1 H), and 7.88 (s, 1 H).
 

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Technical Information

Categories

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