2613-34-5|3-Chloro-2,4-difluoroaniline| Ambeed

Structure of 2613-34-5

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Quality Control of [ 2613-34-5 ] Purity: 98% SDS Specification

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Product Details of [ 2613-34-5 ]

CAS No. :	2613-34-5
Formula :	C₆H₄ClF₂N
M.W :	163.55
SMILES Code :	C1=C(C(=C(C(=C1)F)Cl)F)N
MDL No. :	MFCD00042200
InChI Key :	BNTNWQPIBPBJOO-UHFFFAOYSA-N
Pubchem ID :	223089

Safety of [ 2613-34-5 ]

GHS Pictogram:
Signal Word:	Warning
Hazard Statements:	H302-H315-H319-H335
Precautionary Statements:	P261-P305+P351+P338

Computational Chemistry of [ 2613-34-5 ] Show Less

Physicochemical Properties

Num. heavy atoms	10
Num. arom. heavy atoms	6
Fraction Csp3	0.0
Num. rotatable bonds	0
Num. H-bond acceptors	2.0
Num. H-bond donors	1.0
Molar Refractivity	35.77
TPSA ? Topological Polar Surface Area: Calculated from Ertl P. et al. 2000 J. Med. Chem.	26.02 Å²

Lipophilicity

Log P_o/w (iLOGP)? iLOGP: in-house physics-based method implemented from Daina A et al. 2014 J. Chem. Inf. Model.	1.56
Log P_o/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by XLOGP program, version 3.2.2, courtesy of CCBG, Shanghai Institute of Organic Chemistry	2.07
Log P_o/w (WLOGP)? WLOGP: Atomistic method implemented from Wildman SA and Crippen GM. 1999 J. Chem. Inf. Model.	3.05
Log P_o/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.	2.94
Log P_o/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	2.62
Consensus Log P_o/w? Consensus Log P_o/w: Average of all five predictions	2.45

Water Solubility

Log S (ESOL):? ESOL: Topological method implemented from Delaney JS. 2004 J. Chem. Inf. Model.	-2.6
Solubility	0.409 mg/ml ; 0.0025 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.	-2.25
Solubility	0.929 mg/ml ; 0.00568 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	-3.2
Solubility	0.102 mg/ml ; 0.000627 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	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.	-5.83 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.	0.55

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	2.0 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)	1.43

Application In Synthesis of [ 2613-34-5 ]

* 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 [ 2613-34-5 ]

[ 2613-34-5 ] Synthesis Path-Downstream 1~42

1
[ 2613-34-5 ]
[ 2268-00-0 ]

References: [1]Journal of the American Chemical Society,1959,vol. 81,p. 94,95, 97.

2
[ 2613-34-5 ]
[ 407-25-0 ]
[ 170098-82-5 ]

References: [1]Journal of Medicinal Chemistry,1995,vol. 38,p. 4367 - 4379.

3
[ 2613-34-5 ]
[ 105-53-3 ]
N-(3-Chloro-2,4-difluoro-phenyl)-malonamic acid ethyl ester [ No CAS ]

References: [1]Journal of Medicinal Chemistry,1996,vol. 39,p. 3248 - 3255.

5
[ 2613-34-5 ]
[ 201849-12-9 ]

Yield	Reaction Conditions	Operation in experiment
	With N-Bromosuccinimide; In N-methyl-acetamide; hexane; water;	18.9 g of N-bromosuccinimide was gradually added to a stirred solution of 17.4 g of <strong>[2613-34-5]3-chloro-2,4-difluoroaniline</strong> in 150 cm3 of dry dimethylformamide, cooled to a temperature in the region of -20 C., while this temperature was maintained. After stirring for 1 hour, the temperature was brought to the region of 20 C. and then the mixture was concentrated under reduced pressure (5 kPa), at a temperature in the region of 60 C. The residue obtained was supplemented with 400 cm3 of hexane and 200 cm3 of water. The mixture was stirred and the aqueous phase decanted off. The latter was extracted three times with successively 200, 200, and 100 cm3 of hexane. The extracts were combined, washed twice with 200 cm3 of water and twice with 200 cm3 of a saturated aqueous sodium chloride solution. After drying over magnesium sulphate, the organic solution was concentrated under reduced pressure (5 kPa) at a temperature in the region of 40 C. 19.2 g of 2-bromo-5-chloro-4,6-difluoroaniline was obtained in the form of a white solid, which melted at 62 C. 3-Chloro-2,4-difluoroaniline was prepared in the following manner:

References: [1]Bioorganic and Medicinal Chemistry Letters,2003,vol. 13,p. 1329 - 1331.
[2]Patent: US2002/137741,2002,A1 .

6
[ 3847-58-3 ]
[ 2613-34-5 ]

Yield	Reaction Conditions	Operation in experiment
57%		Comparative Example 3 Comparative Example 2 is repeated with 90 mg of catalyst and 14.8 g of 3-chloro-2,4-difluoronitrobenzene. The duration of the reaction is 400 min. The degree of conversion of the nitrated derivative is 100%. The 3-chloro-2,4-difluoroaniline yield is 57%. The remainder is still composed of the same by-products as in Comparative Examples 1 and 2.

References: [1]Bioorganic and Medicinal Chemistry Letters,2003,vol. 13,p. 1329 - 1331.
[2]Patent: US5856577,1999,A .

7
[ 2613-34-5 ]
[ 318684-53-6 ]