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Chemical Structure| 127842-54-0 Chemical Structure| 127842-54-0

Structure of 127842-54-0

Chemical Structure| 127842-54-0

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Product Details of [ 127842-54-0 ]

CAS No. :127842-54-0
Formula : C9H6F4O3
M.W : 238.14
SMILES Code : O=CC1=CC=C(OC(F)F)C(OC(F)F)=C1
MDL No. :MFCD08706075
InChI Key :IPHURZAZBKLMQJ-UHFFFAOYSA-N
Pubchem ID :14509269

Safety of [ 127842-54-0 ]

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H302-H314
Precautionary Statements:P501-P260-P270-P264-P280-P303+P361+P353-P301+P330+P331-P363-P301+P312+P330-P304+P340+P310-P305+P351+P338+P310-P405
Class:8
UN#:1760
Packing Group:

Computational Chemistry of [ 127842-54-0 ] Show Less

Physicochemical Properties

Num. heavy atoms 16
Num. arom. heavy atoms 6
Fraction Csp3 0.22
Num. rotatable bonds 5
Num. H-bond acceptors 7.0
Num. H-bond donors 0.0
Molar Refractivity 45.02
TPSA ?

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

35.53 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

1.61
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

3.12
Log Po/w (WLOGP)?

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

4.38
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.

1.42
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

2.9
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

2.69

Water Solubility

Log S (ESOL):?

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

-3.23
Solubility 0.14 mg/ml ; 0.000589 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Soluble
Log S (Ali)?

Ali: Topological method implemented from
Ali J. et al. 2012 J. Chem. Inf. Model.

-3.53
Solubility 0.0695 mg/ml ; 0.000292 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

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

-3.05
Solubility 0.213 mg/ml ; 0.000895 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

Yes
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.

-5.54 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

0.0
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)

1.79

Application In Synthesis of [ 127842-54-0 ]

* 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 [ 127842-54-0 ]

[ 127842-54-0 ] Synthesis Path-Downstream   1~35

  • 1
  • [ 127842-54-0 ]
  • [ 77287-34-4 ]
  • N-(3,4-Bis-difluoromethoxy-benzyl)-formamide [ No CAS ]
  • 3
  • [ 56613-80-0 ]
  • [ 127842-54-0 ]
  • (R)-2-[1-(3,4-Bis-difluoromethoxy-phenyl)-meth-(E)-ylidene]-amino}-2-phenyl-ethanol [ No CAS ]
  • 4
  • [ 106-37-6 ]
  • [ 127842-54-0 ]
  • (3,4-bis-difluoromethoxy-phenyl)-(4-bromo-phenyl)-methanol [ No CAS ]
  • 5
  • [ 93281-65-3 ]
  • [ 127842-54-0 ]
  • 4-[(3,4-bis-difluoromethoxy-phenyl)-hydroxy-methyl]-<i>N</i>-<i>tert</i>-butyl-benzenesulfonamide [ No CAS ]
  • 6
  • [ 127842-54-0 ]
  • [ 133776-42-8 ]
  • (3,4-bis-difluoromethoxy-phenyl)-[4-(<i>tert</i>-butyl-diphenyl-silanyloxymethyl)-phenyl]-methanol [ No CAS ]
  • 7
  • [ 127842-54-0 ]
  • [ 251359-05-4 ]
  • [ 474499-53-1 ]
  • 8
  • [ 127842-54-0 ]
  • [ 775352-57-3 ]
  • [ 1055709-54-0 ]
YieldReaction ConditionsOperation in experiment
STEP 2 : [3,4-Bis(difluoromethoxy)phenyl-{4-[2-((2-trimethylsilylethoxy)methoxy)propane-2-yl]phenyl}methanol; To 1. 2eq of a 0.2M THE solution of 2- (4-BROMOPHENYL)-2- [ (2- trimethylsilylethoxy) methoxy] propane (EXAMPLE 3, STEP 1) was added 1. 2eq of n-BuLi (1.6 M/hexanes) AT-78C. The solution was stirred 15MIN at-78C followed by the addition of leq of a 0.5M THF solution of <strong>[127842-54-0]3,4-bis (difluoromethoxy) benzaldehyde</strong> (US00/5710170A). The resulting mixture was stirred 45min at-78C and quenched with a saturated aqueous solution of NH4CL. The dry ice/acetone bath was removed and the reaction was diluted with ethyl acetate and a 25% aqueous solution of NH40AC. The organic layer was washed with brine, dried over MGS04 and concentrated. Flash chromatography of the residue (silica gel; 20% to 25% to 30% gradient of ethyl acetate/hexane) provided the desired secondary alcohol
  • 9
  • [ 127842-54-0 ]
  • {2-[1-(4-bromo-phenyl)-cyclopropoxymethoxy]-ethyl}-trimethyl-silane [ No CAS ]
  • (3,4-bis-difluoromethoxy-phenyl)-{4-[1-(2-trimethylsilanyl-ethoxymethoxy)-cyclopropyl]-phenyl}-methanol [ No CAS ]
  • 10
  • [ 127842-54-0 ]
  • [ 775352-83-5 ]
  • (3,4-bis-difluoromethoxy-phenyl)-{4-[1-(2-trimethylsilanyl-ethoxymethoxy)-cyclobutyl]-phenyl}-methanol [ No CAS ]
  • 12
  • [ 127842-54-0 ]
  • [ 873-77-8 ]
  • [ 775350-72-6 ]
  • 13
  • [ 1514-87-0 ]
  • [ 139-85-5 ]
  • [ 127842-54-0 ]
  • 14
  • [ 1514-87-0 ]
  • [ 151103-08-1 ]
  • [ 127842-54-0 ]
  • 15
  • [ 127842-54-0 ]
  • [ 524773-72-6 ]
  • [ 524773-85-1 ]
  • 16
  • [ 127842-54-0 ]
  • [ 524773-77-1 ]
  • [ 524773-90-8 ]
  • 18
  • [ 1078-58-6 ]
  • [ 127842-54-0 ]
  • [ 650605-30-4 ]
  • (S)-(3,4-bis-difluoromethoxy-phenyl)-phenyl-methanol [ No CAS ]
  • 19
  • [ 109-72-8 ]
  • [ 20469-65-2 ]
  • [ 127842-54-0 ]
  • [ 757962-27-9 ]
YieldReaction ConditionsOperation in experiment
42% In tetrahydrofuran; water; 4.6.2.34 3-(3,4-Bis-difluoromethoxy-phenyl)-3-(3,5-dimethoxy-phenyl)-acrylonitrile (E and Z Isomers) n-Butyl lithium (2.5 M, 3.7 mL) was added to s stirred solution of 3,5-dimethoxy-bromobenzene (2.0 g, 9.2 mmol) in THF (15 mL) at -65 C. After stirring for 30 min, a solution of <strong>[127842-54-0]3,4-bis-difluoromethoxy-benzaldehyde</strong> (2.0 g, 8.4 mmol) in THF (15 mL) was added slowly. The resulting mixture was stirred at -65 C. for 6 h and then quenched with isopropanol (5 mL). Water (40 mL) was added and the mixture was extracted with ether (3*60 mL). The combined organic layers were washed with water (2*40 mL), brine (40 mL), and dried (MgSO4). Solvent was removed and the residue was purified by flash chromatography (Silica gel, Hexane:EtOAc 7:3) to afford (3,4-bis-difluoromethoxy-phenyl)-(3,5-dimethoxy-phenyl)-methanol (1.3 g, 42%): 1H NMR (CDCl3) delta 7.32 (m, 1H), 7.19 (m, 2H), 6.86-6.19 (m 5H), 5.69 (d, J=2 Hz, 1H), 3.76 (s, 6H), 2.47 (d, J=2 Hz, 1H).
  • 20
  • [ 127842-54-0 ]
  • [ 127842-64-2 ]
YieldReaction ConditionsOperation in experiment
1 -[3,4-Bis('difluoromethoxy)phenyl1methanamine hydrochloride (10-3)To a solution of <strong>[127842-54-0]3,4-bis(difluoromethoxy)benzaldehyde</strong> (10-2, 100 mg, 0.42 mmol, 1 equiv) in THF (840 uL) was added 2-methylpropane-2-sulfinamide (56 mg, 0.46 mmol, 1.1 equiv) and titanium ethoxide (440 uL, 2.10 mmol, 5.0 equiv), and the reaction mixture stirred at ambient temperature for 4.5 hours. The reaction mixture was then cooled to 0 C and sodium borohydride (31.8 mg, 0.84 mmol, 2.0 equiv) was added portionwise and the reaction was stirred for an additional hour. Methanol (2 mL) was added slowly and the reaction mixture was partitioned between EtOAc (20 mL) and brine (20 mL) and filtered. The organic phase was dried over MgSO4 and concentrated to afford crude iV-[3,4-bis(difluoromethoxy)benzyl]-2- methylpropane-2-sulf?namide, which was dissolved in methanol (2.2 mL). To the solution was added HCl (2 M in ether, 655 uL, 3 equiv), and the reaction mixture stirred for 30 minutes. It was then concentrated to afford the desired product (10-3) as a white solid. ESI+ MS [M-NH2]4- C9H7F4O2: 223.0 found, 223.0 required.
  • 21
  • [ 127842-54-0 ]
  • (2S)-4-[2-(3,4-bis-difluoromethoxy-phenyl)-2-phenyl-ethyl]-pyridine [ No CAS ]
  • 22
  • [ 127842-54-0 ]
  • Toluene-4-sulfonic acid (R)-(3,4-bis-difluoromethoxy-phenyl)-phenyl-methyl ester [ No CAS ]
  • 23
  • [ 127842-54-0 ]
  • (S)-3-(3,4-Bis-difluoromethoxy-phenyl)-3-phenyl-2-pyridin-4-yl-propionic acid ethyl ester [ No CAS ]
  • 27
  • [ 127842-54-0 ]
  • [ 552287-61-3 ]
  • 28
  • [ 127842-54-0 ]
  • [ 552287-62-4 ]
  • 29
  • [ 127842-54-0 ]
  • 2-{5-[1-(3,4-bis-difluoromethoxy-phenyl)-2-(1-oxy-pyridin-4-yl)-ethyl]-pyridin-2-yl}-propan-2-ol [ No CAS ]
  • 30
  • [ 127842-54-0 ]
  • [ 303165-21-1 ]
  • 31
  • [ 127842-54-0 ]
  • (3,4-bis-difluoromethoxy-phenyl)-[6-(methyl-phenyl-amino)-pyridin-3-yl]-methanone [ No CAS ]
  • 32
  • [ 127842-54-0 ]
  • (3,4-bis-difluoromethoxy-phenyl)-[6-(methyl-phenyl-amino)-pyridin-3-yl]-methanol [ No CAS ]
  • 33
  • [ 127842-54-0 ]
  • {5-[(3,4-bis-difluoromethoxy-phenyl)-chloro-methyl]-pyridin-2-yl}-methyl-phenyl-amine [ No CAS ]
  • 34
  • [ 127842-54-0 ]
  • [ 306761-10-4 ]
  • 35
  • [ 127842-54-0 ]
  • [ 303165-23-3 ]
 

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