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Chemical Structure| 26278-79-5 Chemical Structure| 26278-79-5

Structure of 2-Aminobenzothiazol-6-ol
CAS No.: 26278-79-5

Chemical Structure| 26278-79-5

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Product Details of [ 26278-79-5 ]

CAS No. :26278-79-5
Formula : C7H6N2OS
M.W : 166.20
SMILES Code : OC1=CC=C2N=C(N)SC2=C1
MDL No. :MFCD00511763
InChI Key :VLNVTNUTGNBNBY-UHFFFAOYSA-N
Pubchem ID :33462

Safety of [ 26278-79-5 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302+H312+H332-H315-H319
Precautionary Statements:P261-P280-P305+P351+P338

Computational Chemistry of [ 26278-79-5 ] 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 2.0
Molar Refractivity 46.05
TPSA ?

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

87.38 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

1.26
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

1.88
Log Po/w (WLOGP)?

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

1.59
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.

0.64
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

1.95
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.46

Water Solubility

Log S (ESOL):?

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

-2.66
Solubility 0.363 mg/ml ; 0.00219 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.

-3.34
Solubility 0.0765 mg/ml ; 0.00046 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

-2.03
Solubility 1.56 mg/ml ; 0.00938 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

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.

-5.98 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)

2.01

Application In Synthesis of [ 26278-79-5 ]

* 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 [ 26278-79-5 ]

[ 26278-79-5 ] Synthesis Path-Downstream   1~11

  • 1
  • [ 110-52-1 ]
  • [ 66033-92-9 ]
  • [ 26278-79-5 ]
  • [ 1203457-24-2 ]
  • 2
  • [ 66033-92-9 ]
  • [ 111-24-0 ]
  • [ 26278-79-5 ]
  • [ 1203457-25-3 ]
  • 3
  • [ 66033-92-9 ]
  • [ 629-03-8 ]
  • [ 26278-79-5 ]
  • [ 1203457-26-4 ]
  • 4
  • [ 66033-92-9 ]
  • [ 26278-79-5 ]
  • [ 106-93-4 ]
  • [ 1203457-22-0 ]
  • 5
  • [ 66033-92-9 ]
  • [ 26278-79-5 ]
  • [ 109-64-8 ]
  • [ 1203457-23-1 ]
  • 6
  • [ 66033-92-9 ]
  • [ 26278-79-5 ]
  • [ 74-95-3 ]
  • [ 1203457-21-9 ]
  • 7
  • [ 26278-79-5 ]
  • [ 100-44-7 ]
  • [ 50851-01-9 ]
YieldReaction ConditionsOperation in experiment
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate; In acetone;Reflux; General procedure: A mixture of compound 2 (2 g, 12 mmol), potassium carbonate (2 g, 14.4 mmol), appropriate alkylbromide or benzyl chloride derivatives (1.32 mmol), and a catalytic amount of benzyltriethylaminechloride (TEBA) in 50 mL acetone was heated under reflux for 18-24 h. After removing the solventunder reduced pressure, 80 mL of hot water was poured into the flask and the mixture was stirred for0.5 h to eliminate the excess of potassium carbonate. The remaining precipitate was filtered to yield arusset solid (3a-m), which was used without further purification.
  • 8
  • [ 417721-36-9 ]
  • [ 26278-79-5 ]
  • C26H19F3N4O3S [ No CAS ]
  • 9
  • [ 417721-36-9 ]
  • [ 26278-79-5 ]
  • C18H14N4O3S [ No CAS ]
YieldReaction ConditionsOperation in experiment
70 mg With caesium carbonate; In N,N-dimethyl-formamide; at 100℃; for 0.5h; Compound 161A (105.34 mg, 0.634 mmol), the compound of Example IE (100 mg, 0.422 mmol), cesiumcarbonate (275.36 mg, 0.845 mmol) and 2.5 ml of DMF were mixed and then placed in a microwave reactor at 100 °Cfor 30 minutes, cooled to room temperature, 20 ml of water was poured thereinto, and filtered. The filter cake and thenwashed with water and finally dried to give a yellow solid crude of compound 161B (70 mg) which was used directly inthe next step.1H NMR (400MHz, DMSO-d6) = 8.92 (d, J=6.3 Hz, 1H), 8.78 - 8.72 (m, 1H), 8.50 - 8.13 (m, 2H), 7.98 (br. s., 1H), 7.96(s, 1H), 7.91 (br. s., 1H), 7.82 (d, J=2.3 Hz, 1H), 7.65 (s, 1H), 7.52 (d, J=8.5 Hz, 1H), 7.27 (dd, J=2.1, 8.7 Hz, 1H), 6.84(d, J=6.3 Hz, 1H), 4.09 (s, 3H)
  • 10
  • [ 26278-79-5 ]
  • [ 100-39-0 ]
  • [ 50851-01-9 ]
  • 11
  • [ 26278-79-5 ]
  • [ 14704-31-5 ]
  • 6-([1,1′-biphenyl]-3-yl-methoxy)benzo[d]thiazole-2-amine [ No CAS ]
YieldReaction ConditionsOperation in experiment
29.6 g With potassium carbonate; In acetone; for 1h;Reflux; In a reaction flask, add 17 g of 2-amino-6-hydroxybenzothiazole and 20 g of potassium carbonate to 200 mL of acetone, and slowly add 150 mL of an acetone solution in which 25 g of bromomethylbiphenyl is dissolved at room temperature. After completion, gradually raise the temperature to reflux, continue the reaction for 1 hour, concentrate the reaction solution, and then pour it into 200 mL of water. Adjust the pH of the reaction solution to neutral with dilute hydrochloric acid, evaporate the solvent under vacuum, and extract with 50 mL of methylene chloride The reaction solution was mixed several times, and the organic phases were combined and concentrated to obtain 29.6 g of 6-([1,1?-bidiphenyl]-3-yl-methoxy)benzo[d]thiazole-2-amine;
 

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