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Chemical Structure| 1309788-50-8

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Product Details of [ 1309788-50-8 ]

CAS No. :1309788-50-8
Formula : C9H13IN2
M.W : 276.12
SMILES Code : CC1(C)CCC2=C(NN=C2I)C1
MDL No. :MFCD26406997
InChI Key :ZDWZKCXTTCFVQE-UHFFFAOYSA-N
Pubchem ID :58550406

Safety of [ 1309788-50-8 ]

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

Computational Chemistry of [ 1309788-50-8 ] Show Less

Physicochemical Properties

Num. heavy atoms 12
Num. arom. heavy atoms 5
Fraction Csp3 0.67
Num. rotatable bonds 0
Num. H-bond acceptors 1.0
Num. H-bond donors 1.0
Molar Refractivity 58.09
TPSA ?

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

28.68 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

1.86
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

2.96
Log Po/w (WLOGP)?

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

2.53
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.

2.59
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

3.79
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

2.75

Water Solubility

Log S (ESOL):?

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

-3.73
Solubility 0.052 mg/ml ; 0.000188 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.

-3.23
Solubility 0.164 mg/ml ; 0.000596 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

-4.06
Solubility 0.0243 mg/ml ; 0.0000879 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

Yes
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.

-5.88 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<0.0
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)

2.61

Application In Synthesis of [ 1309788-50-8 ]

* 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 [ 1309788-50-8 ]

[ 1309788-50-8 ] Synthesis Path-Downstream   1~30

  • 1
  • [ 24424-99-5 ]
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  • [ 1309788-51-9 ]
YieldReaction ConditionsOperation in experiment
95% With triethylamine;dmap; In tetrahydrofuran; at 20℃; for 1.16667h; To a solution of <strong>[1309788-50-8]3-iodo-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indazole</strong> (41 g, 147 mmol), triethylamine (22 ml, 155 mmol) and 4-dimethylaminopyridine (824 mg, 7 mmol) in tetrahydrofuran (163 ml) was added dropwise a solution of di-tert-butyl dicarbonate (34 g, 155 mmol) in tetrahydrofuran (41 ml) at room temperature over 40 min, and the mixture was stirred for 30 min. Then, the reaction mixture was is concentrated under reduced pressure. The residue was slurry-washed in hexane (130 ml) at 60 C. and ice-cooled. The crystals were collected by filtration, washed with hexane, and dried under reduced pressure to give the title compound (53 g, yield 95%).1H-NMR (400 MHz, DMSO-d6) delta: 0.95 (s, 6H), 1.46 (t, 2H, J=6.38 Hz), 1.56 (s, 9H), 2.23 (t, 2H, J=6.26 Hz), 2.63 (s, 2H).
5.24 g With dmap; triethylamine; In tetrahydrofuran; at 20℃; for 1h; Step 4: iert-Butyl 3-iodo-6,6-dimethyl-4,5,6,7-tetrahydro-lH-indazole-l-carboxylate: To a stirred solution of step 3 intermediate (3.9 g, 14.124 mmol) in dry tetrahydrofuran (20 ml), triethylamine (2.08 ml, 14.83 mmol), 4-dimethylaminopyridine (68 mg, 0.565 mmol) were added followed by addition of di-tert-butyl bicarbonate (3.23 g, 14.83 mmol) at room temperature and reaction mixture was stirred for 1 h at same temperature. The solvent was evaporated under reduced pressure and product was purified by column chromatography to yield 5.24 g of product as a pale yellow solid. 1H NMR (300 MHz, CDC13): delta 1.00 (s, 6H), 1.50 (t, / = 6.6 Hz, 2H), 1.59-1.69 (m, 9H), 2.31 (t, / = 6.3 Hz, 2H), 2.67 (s, 2H).
  • 3
  • 4,4-dimethyl-2-oxocyclohexanecarbaldehyde [ No CAS ]
  • [ 1309788-50-8 ]
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  • [ 1309784-19-7 ]
  • 22
  • [ 1309788-49-5 ]
  • [ 1309788-50-8 ]
YieldReaction ConditionsOperation in experiment
99% With iodine; potassium hydroxide; In N,N-dimethyl-formamide; at 20℃; for 0.75h; Step 33 -Io do -6 ,6 -dimethyl-4 ,5 ,6 ,7 -tetrahydro - 1 H-indazoleTo a solution of 6,6-dimethyl-4,5,6,7-tetrahydro-lH-indazole (0.50 g, 3.33 mmol) in DMF (8 mL) at room temperature was added powdered potassium hydroxide (560 mg, 10.0 mmol) and iodine (1.69 g, 6.66 mmol). The maroon reaction mixture was stirred at room temperature for 45 min then quenched with 10%> aqueous Na2S203, diluted with water and extracted with EtOAc (2x). The combined organics were washed with water (3x), dried over MgS04 and concentrated to afford 920 mg (99%>) of 3-iodo-6,6-dimethyl-4,5,6,7-tetrahydro-lH-indazole as a light yellow waxy solid. 1H NMR (CDC13, 300 MHz): ? (ppm) 2.44 (s, 2H), 2.35 (t, J=6.4 Hz, 2H), 1.55 (t, J=6.4 Hz, 2H), 1.01 (s, 6H).
With iodine; potassium hydroxide; In N,N-dimethyl-formamide; at 20℃; for 4h; Under a nitrogen atmosphere, to a suspension of sodium hydride (28 g, 697 mmol) in tetrahydrofuran (500 ml) was added dropwise a solution of 3,3-dimethylcyclohexanone (80 g, 634 mmol) in tetrahydrofuran (250 ml) under ice-cooling over about 1 hr, and the mixture was stirred for 1 hr. Then, a solution of ethyl formate (99 g, 1.3 mol) in tetrahydrofuran (250 ml) was added dropwise over about 1 hr, and the mixture was stirred under ice-cooling for 1 hr, and at room temperature for 1 hr. To the reaction mixture were added water and ethyl acetate, and the organic layer was separated and extracted with 2 N aqueous sodium hydroxide solution. The aqueous layer was acidified with concentrated hydrochloric acid, and extracted with ethyl acetate. Then, the organic layer was washed with saturated brine, and dried over sodium sulfate. Sodium sulfate was removed by filtration, and the filtrate was concentrated under reduced pressure to give 4,4-dimethyl-2-oxocyclohexanecarbaldehyde. To a solution of the obtained 4,4-dimethyl-2-oxocyclohexanecarbaldehyde in methanol (376 ml) was added dropwise a solution of hydrazine monohydrate (31 ml, 640 mmol) in methanol (31 ml) with heating under reflux over about 1 hr, and the mixture was stirred for 15 min. The reaction mixture was concentrated under reduced pressure, ethyl acetate and water were added, and the organic layer was separated. Then, the organic layer was washed with saturated brine, and dried over sodium sulfate. Sodium sulfate was removed by filtration, and the filtrate was concentrated under reduced pressure to give 6,6-dimethyl-4,5,6,7-tetrahydro-1H-indazole. To a solution of the obtained 6,6-dimethyl-4,5,6,7-tetrahydro-1H-indazole in N,N-dimethylformamide (1.4 L) were added iodine (232 g, 915 mmol) and potassium hydroxide (121 g, 1.8 mol) at room temperature, and the mixture was stirred for about 4 hr. Then, under ice-cooling, an aqueous solution (800 ml) of sodium hydrogensulfite (80 g) was added dropwise. Water (2 L) was added, and the mixture was extracted with ethyl acetate. The organic layer was washed successively with water and saturated brine, and dried over sodium sulfate. Sodium sulfate was removed by filtration, and the filtrate was concentrated under reduced pressure. Then, hexane (350 ml) was added to the residue, and the mixture was stirred at room temperature. The precipitated crystals were collected by filtration, washed with hexane, and dried under reduced pressure to give 3-iodo-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indazole (41 g, yield 23%).1H-NMR (400 MHz, DMSO-d6) delta: 0.94 (s, 6H), 1.47 (t, 2H, J=6.38 Hz), 2.21 (t, 2H, J=6.38 Hz), 2.33 (s, 2H), 12.69 (s, 1H).
3.95 g With iodine; potassium hydroxide; In N,N-dimethyl-formamide; at 20℃; for 5h; Step 3 : 3-Iodo-6,6-dimethyl-4,5,6,7-tetrahydro-lH-indazole: To a stirred solution of step 2 intermediate (13.3 g, 88.54 mmol) in dry N,N-dimethylformamide (177 ml), iodine (15.74 g, 61.98 mmol) was added followed by addition of potassium hydroxide (13.88 g, 247.9 mmol) at room temperature and the reaction mixture was stirred for 5 h at room temperature. The reaction mixture was cooled in ice bath, saturated solution of sodium thiosulfate (100 ml) was added and the mixture was extracted with ethyl acetate (3 x 200 ml). The combined organic layer was washed with water (200 ml), dried over sodium sulfate and filtered. The mixture was concentrated under reduced pressure and purified by column chromatography to yield 3.95 g of product as a pale yellow solid. 1H NMR (300 MHz, CDC13): delta 1.00 (s, 6H), 1.54 (t, J = 6.9 Hz, 2H), 2.34 (t, / = 6.3 Hz, 2H), 2.49 (s, 2H), 1 1.89 (s, 1H).
  • 23
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  • [ 74-88-4 ]
  • [ 1426421-81-9 ]
  • [ 1426421-82-0 ]
YieldReaction ConditionsOperation in experiment
54%; 17% Step 43-Iodo-l ,6,6-trimethyl-4,5,6,7-tetrahydro-lH-indazole and 3-Iodo-2,6,6-trimethyl-4,5,6,7- tetrahydro -2H-indazo le To a solution of 3-iodo-6,6-dimethyl-4,5,6,7-tetrahydro-lH-indazole (919 mg, 3.33 mmol) in THF (8 mL) at 0C was added KOt-Bu (523 mg, 4.66 mmol). The reaction mixture was stirred at 0C for 30 min then iodomethane (0.29 mL, 4.66 mmol) was added. The reaction mixture was stirred at 0C for 30 min then warmed to room temperature and stirred for 1.5 h. The reaction was quenched with water and extracted with EtOAc (2x). The combined organics were dried over MgS04 and concentrated. The residue was absorbed onto Si02 and purified bychromatography with 10% to 20% EtOAc/hexanes to afford 523 mg (54%) of 3-iodo-l ,6,6- trimethyl-4,5,6,7-tetrahydro-lH-indazole as a colorless oil. 1H NMR (CDC13, 300 MHz): ? (ppm) 3.72 (s, 3H), 2.33 (t, J=6.4 Hz, 2H), 2.29 (s, 2H), 1.51 (t, J=6.4 Hz, 2H), 1.02 (s, 6H). Also isolated 160 mg (17%) of 3-iodo-2,6,6-trimethyl-4,5,6,7-tetrahydro-2H-indazole as a white solid. 'H NMR (CDC13, 300 MHz): ? (ppm) 3.87 (s, 3H), 2.41 (s, 2H), 2.36 (t, J=6.6 Hz, 2H), 1.54 (t, J=6.6 Hz, 2H), 1.00 (s, 6H).
  • 24
  • 2-[(Z)-1-hydroxy-methylidene]-5,5-dimethyl-cyclohexanone [ No CAS ]
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