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Structure of 16263-53-9

Chemical Structure| 16263-53-9

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Product Details of [ 16263-53-9 ]

CAS No. :16263-53-9
Formula : C7H3Cl2NO
M.W : 188.01
SMILES Code : ClC1=CC=C(ON=C2Cl)C2=C1
MDL No. :MFCD12756777
InChI Key :PJMDBZXSQGQSDQ-UHFFFAOYSA-N
Pubchem ID :13568448

Safety of [ 16263-53-9 ]

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

Computational Chemistry of [ 16263-53-9 ] Show Less

Physicochemical Properties

Num. heavy atoms 11
Num. arom. heavy atoms 9
Fraction Csp3 0.0
Num. rotatable bonds 0
Num. H-bond acceptors 2.0
Num. H-bond donors 0.0
Molar Refractivity 44.03
TPSA ?

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

26.03 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

2.27
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

3.3
Log Po/w (WLOGP)?

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

3.13
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.

2.58
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

3.18
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

2.89

Water Solubility

Log S (ESOL):?

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

-3.69
Solubility 0.0384 mg/ml ; 0.000204 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.

-3.52
Solubility 0.0565 mg/ml ; 0.0003 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

-4.15
Solubility 0.0134 mg/ml ; 0.0000711 mol/l
Class?

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

Moderately 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.

-5.1 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)

2.5

Application In Synthesis of [ 16263-53-9 ]

* 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 [ 16263-53-9 ]

[ 16263-53-9 ] Synthesis Path-Downstream   1~20

  • 1
  • [ 110-91-8 ]
  • [ 16263-53-9 ]
  • [ 16302-70-8 ]
  • 2
  • [ 16263-53-9 ]
  • [ 141-52-6 ]
  • [ 16263-62-0 ]
  • 3
  • [ 16263-53-9 ]
  • [ 139-02-6 ]
  • [ 16263-61-9 ]
  • 4
  • [ 16263-53-9 ]
  • 3-azido-5-chloro-benzo[<i>d</i>]isoxazole [ No CAS ]
  • 5
  • [ 16263-53-9 ]
  • [ 24603-63-2 ]
  • 6
  • [ 24603-63-2 ]
  • [ 16263-53-9 ]
YieldReaction ConditionsOperation in experiment
92% With pyridine; In (2S)-N-methyl-1-phenylpropan-2-amine hydrate; trichlorophosphate; EXAMPLE 16 3,5-Dichloro-1,2-benzisoxazole To a suspension of 5-chloro-3-hydroxy-1,2-benzisoxazole (100 g) in phosphorus oxychloride (80 ml) was added pyridine (48 ml) dropwise over 1 hours with stirring at room temperature, and the mixture was then refluxed for 5 hours. The reaction mixture was added to ice water (500 ml) and extracted with ethyl acetate and the combined extracts were dried over anhydrous magnesium sulphate. The solvent was evaporated under reduced pressure and the title compound (102 g, 92%) was obtained by recrystallizng the residue from petroleum ether as a colorless needle. Melting point: 43-44 C.; IR spectrum(KBr)numax cm-1: 1468, 1419, 1285; NMR spectrum(CDCl3)deltappm: 7.59(2H,d,J=1.5 Hz), 7.70(1H,brs).
  • 7
  • [ 110-85-0 ]
  • [ 16263-53-9 ]
  • [ 99748-43-3 ]
  • 8
  • [ 24603-63-2 ]
  • [ 16263-53-9 ]
  • 10
  • [ 37551-43-2 ]
  • [ 16263-53-9 ]
  • 11
  • [ 16263-53-9 ]
  • [ 99748-50-2 ]
  • 12
  • [ 16263-53-9 ]
  • [ 99748-49-9 ]
  • 13
  • [ 4068-78-4 ]
  • [ 16263-53-9 ]
  • 14
  • [ 16263-53-9 ]
  • [ 178747-64-3 ]
YieldReaction ConditionsOperation in experiment
62% (a) 3-(2-(N-t-Butoxycarbonylamino)ethylthio)-5-chloro-1,2-benzisoxazole. The title compound (0.63 g, 62%) was obtained from <strong>[16263-53-9]3,5-dichloro-1,2-benzisoxazole</strong> (0.53 g) by similar reactions and treatments as in example 26(b). Melting point: 95-96 C.; IR spectrum(KBr)numax cm-1: 3283, 1687, 1523; NMR spectrum(CDCl3)deltappm: 1.44(9H,s), 3.42(2H,t,J=6.3 Hz), 3.58(2H,q,J=6.3 Hz), 4.98(1H,brs), 7.47(1H,d,J=8.8 Hz), 7.52(1H,dd,J=8.8 Hz,J=1.5 Hz), 7.57(1H,d,J=1.5 Hz).
  • 15
  • [ 16263-53-9 ]
  • [ 124-68-5 ]
  • · 3-(2-Amino-2-methylpropoxy)-5-chloro-1,2-benzoisoxazole [ No CAS ]
YieldReaction ConditionsOperation in experiment
In tetrahydrofuran; water; ethyl acetate; (1) To a suspension of 0.43 g of 60% (w/w) sodium hydride in 15 ml of tetrahydrofuran is added a solution of 0.80 g of 2-amino-2-methyl-1-propanol in 20 ml of tetrahydrofuran at 20-25 C., and they are refluxed for two hours. To the reaction mixture is added a solution of 2.36 g of <strong>[16263-53-9]3,5-dichloro-1,2-benzoisoxazole</strong> in 20 ml of tetrahydrofuran under reflux, and they are refluxed for a further one hour. After cooling, the solvent is removed by distillation under reduced pressure, and ethyl acetate and water are added to the residue obtained, and after shaking, the organic layer is separated. The separated organic layer is washed with a saturated saline solution, dried over anhydrous magnesium sulfate and then purified by a column chromatography [eluant:chloroform:methanol=20:1], to obtain 1.59 g of oily 3-(2-amino-2-methylpropoxy)-5-chloro-1,2-benzoisoxazole.
  • 16
  • [ 16263-53-9 ]
  • 1,1-dimethylethyl 4-(hydroxymethyl)-2,2-dimethyl-1,3-oxazolidine-3-carboxylate [ No CAS ]
  • 3-[(3-tert-butoxycarbonyl-2,2-dimethyloxazolidin-4-yl)methoxy]-5-chloro-1,2-benzoisoxazole [ No CAS ]
YieldReaction ConditionsOperation in experiment
With potassium tert-butylate; In tetrahydrofuran; water; ethyl acetate; REFERENCE EXAMPLE 37 A solution of 6.94 g of 3-tert-butoxycarbonyl-4-hydroxymethyl-2,2-dimethyloxazolidine in 28 ml of tetrahydrofuran is added to a solution of 6.02 g of potassium tert-butoxide in 28 ml of tetrahydrofuran at 10-15 C., and they are subjected to reaction at the same temperature for two hours. Subsequently, this reaction mixture is added under reflux to a solution of 5.64 g of <strong>[16263-53-9]3,5-dichloro-1,2-benzoisoxazole</strong> in 28 ml of tetrahydrofuran and they are refluxed for a further one hour. The reaction mixture is cooled and thereafter the solvent is removed by distillation under reduced pressure, after which ethyl acetate and water are added to the residue obtained, and after shaking, the organic layer is separated. The separated organic layer is washed with a saturated saline solution and dried over anhydrous magnesium sulfate, after which the solvent is removed by distillation under reduced pressure. The crystals obtained are recrystallized from n-hexane to obtain 8.41 g of colorless, crystalline 3-[(3-tert-butoxycarbonyl-2,2-dimethyloxazolidin-4-yl)methoxy]-5-chloro-1,2-benzoisoxazole having a melting point of 117-118 C. IR (KBr)cm-1: 2981, 1538, 1462, 1393, 1368, 1177, 830
  • 17
  • (R)-3-methylthio-2-tritylamino-1-propanol [ No CAS ]
  • [ 16263-53-9 ]
  • (R)-5-chloro-3-(3-methylthio-2-tritylaminopropoxy)-1,2-benzoisoxazole [ No CAS ]
YieldReaction ConditionsOperation in experiment
In water; ethyl acetate; N,N-dimethyl-formamide; EXAMPLE 137 To a suspension of 0.44 g of 60% (w/w) sodium hydride in 6 ml of N,N-dimethylformamide is dropwise added 15 ml of an N,N-dimethylformamide solution of 4.0 g of (R)-3-methylthio-2-tritylamino-1-propanol over 15 minutes with ice-cooling, and the temperature is gradually elevated to 80 C., after which this is added to a solution of 2.07 g of <strong>[16263-53-9]3,5-dichloro-1,2-benzoisoxazole</strong> in 10 ml of N,N-dimethylformamide. They are subjected to reaction at the same temperature for one hour. After cooling, water and ethyl acetate are added and shaken, and the organic layer is separated. The separated organic layer is washed with a saturated saline solution and dried over anhydrous magnesium sulfate, after which the solvent is removed by distillation under reduced pressure. The residue obtained is purified by a column chromatography [eluant:n-hexane:ethyl acetate=20:1], to obtain 4.4 g of oily (R)-5-chloro-3-(3-methylthio-2-tritylaminopropoxy)-1,2-benzoisoxazole. IR (KBr) cm-1: 3448, 3057, 2921, 1610, 1539, 1486, 1475, 1439, 1358, 1283, 1258, 1028, 810, 708
  • 18
  • 2-(trityl-amino)-3-(1-trityl-1H-imidazol-4-yl)-propan-1-ol [ No CAS ]
  • [ 16263-53-9 ]
  • 5-chloro-3-[2-tritylamino-3-(1-trityl-4-imidazolyl)propoxy]-1,2-benzoisoxazole [ No CAS ]
YieldReaction ConditionsOperation in experiment
In water; ethyl acetate; N,N-dimethyl-formamide; EXAMPLE 142 A solution of 2.0 g of 2-tritylamino-3-(1-trityl-4-imidazolyl)-1-propanol in 10 ml of N,N-dimethylformamide is dropwise added to a suspension of 0.14 g of 60% (w/w) sodium hydride in 15 ml of N,N-dimethylformamide at room temperature over 15 minutes, and the temperature is then elevated gradually to 80 C., after which this is added to a solution of 0.6 g of <strong>[16263-53-9]3,5-dichloro-1,2-benzoisoxazole</strong> in 10 ml of N,N-dimethylformamide. They are subjected to reaction at the same temperature for six hours. After cooling, water and ethyl acetate are added and shaken, and the organic layer is separated. The separated organic layer is washed with a saturated saline solution and dried over anhydrous magnesium sulfate, after which the solvent is removed by distillation under reduced pressure. The residue obtained is purified by a column chromatography [eluant:n-hexane:ethyl acetate=3:1], to obtain 1.12 g of colorless, crystalline 5-chloro-3-[2-tritylamino-3-(1-trityl-4-imidazolyl)propoxy]-1,2-benzoisoxazole having a melting point of 113.4-114.7 C. IR (KBr) cm-1: 3445, 3057, 2967, 1596, 1538, 1490, 1474, 1446, 1364, 1310, 1155, 747, 702
  • 19
  • [ 106-52-5 ]
  • [ 16263-53-9 ]
  • [ 138731-29-0 ]
YieldReaction ConditionsOperation in experiment
With sodium chloride; In N-methyl-acetamide; ice-water; ethyl acetate; mineral oil; EXAMPLE 11 5-Chloro-3-(1-methyl-4-piperidyloxy)-1,2-benzisoxazole A solution of 1.53 g (13.3 mmole) of 4-hydroxy-1-methylpiperidine in 25 ml of dimethylformamide was cooled to 5 C. in an atmosphere of nitrogen. 0.58 g (13.3 mmole) of sodium hydride (as a 55% w/w dispersion in mineral oil) was added to the solution, and then the solution was stirred at room temperature for 30 minutes. The reaction mixture was cooled to 5 C., and then 2.50 g (13.3 mmole) of <strong>[16263-53-9]3,5-dichloro-1,2-benzisoxazole</strong> were added to it; the resulting mixture was then stirred at 5 C. for 30 minutes and then at room temperature for 1 hour. At the end of this time, the mixture was poured into 50 ml of ice-water and then extracted twice, each time with 50 ml of ethyl acetate. The ethyl acetate layer was separated and washed with 100 ml of a 10% w/v aqueous solution of sodium chloride; it was then dried over anhydrous magnesium sulfate, and the drying agent was removed by filtration. The solvent was removed from the filtrate by distillation under reduced pressure. The resulting residue was purified by column chromatography through silica gel using ethyl acetate as the eluent to afford 2.38 g (yield 67.00%) of the title compound as a colorless powder, melting at 55-56 C. Infrared absorption spectrum (CHCl3) cm-1: 1535, 1470, 1440, 1360, 1310. Nuclear magnetic resonance spectrum (CDCl3) delta ppm: 1.73-3.00 (8H, multiplet); 2.32 (3H, singlet); 4.92 (1H, doubled doublet of doublets, J=13.5, 9.0 & 4.5 Hz); 7.30-7.76 (3H, multiplet).
  • 20
  • [ 16263-53-9 ]
  • rac-(1R*,6S*)-3,8-diazabicyclo[4.2.0]octan-8-yl(5-methyl-2-(2H-1,2,3-triazol-2-yl)phenyl)methanone hydrochloride [ No CAS ]
  • rac-((1R*,6S*)-3-(5-chlorobenzo[d]isoxazol-3-yl)-3,8-diazabicyclo[4.2.0]octan-8-yl)(5-methyl-2-(2H-1,2,3-triazol-2-yl)phenyl)methanone [ No CAS ]
YieldReaction ConditionsOperation in experiment
With pyridine; 1,8-diazabicyclo[5.4.0]undec-7-ene; at 110.0℃; The title compound is prepared by reacting rac-(1 R*,6S*)-3,8-diazabicyclo[4.2.0]octan-8-yl(5- methyl-2-(2H-1 ,2,3-triazol-2-yl)phenyl)methanone hydrochloride (C.2) with 3,5- dichlorobenzo[d]isoxazole (commercially available) following General Method B. LC-MS (conditions B): tR = 0.88 min, [M + 1]+ = 449.09.General Method B Nucleophilic substitutionTo a solution of 1 mmol of secondary amine 1 , 4, 6 or 14 (Schemes 1 + 2 +3 + 4) in pyridine (5.5 mL) are successively added DBU (2.5 mmol for the free amine; 3.5 mmol when HCI salt is present) and R1-CI or R2-CI (1.2 mmol). The resulting suspension is stirred at 1 10 C overnight. Upon completion H20 is added and the aq. phase is extracted with EtOAc (3 times). The combined organic phases are washed with brine, dried over Na2S04, filtered and concentrated under reduced pressure. The residue is purified by column chromatography or by preparative HPLC (conditions C).
 

Historical Records

Technical Information

Categories

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[ 16263-53-9 ]

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