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Chemical Structure| 13506-76-8 Chemical Structure| 13506-76-8
Chemical Structure| 13506-76-8

2-Methyl-6-nitrobenzoic acid

CAS No.: 13506-76-8

4.5 *For Research Use Only !

Cat. No.: A248932 Purity: 98%

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Product Details of [ 13506-76-8 ]

CAS No. :13506-76-8
Formula : C8H7NO4
M.W : 181.15
SMILES Code : C1=C([N+]([O-])=O)C(=C(C=C1)C)C(=O)O
MDL No. :MFCD00007267
InChI Key :CCXSGQZMYLXTOI-UHFFFAOYSA-N
Pubchem ID :16097

Safety of [ 13506-76-8 ]

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

Calculated chemistry of [ 13506-76-8 ] Show Less

Physicochemical Properties

Num. heavy atoms 13
Num. arom. heavy atoms 6
Fraction Csp3 0.12
Num. rotatable bonds 2
Num. H-bond acceptors 4.0
Num. H-bond donors 1.0
Molar Refractivity 47.19
TPSA ?

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

83.12 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

0.75
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

0.75
Log Po/w (WLOGP)?

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

1.6
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.

0.84
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

-0.47
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

0.69

Water Solubility

Log S (ESOL):?

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

-1.65
Solubility 4.1 mg/ml ; 0.0226 mol/l
Class?

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

Very soluble
Log S (Ali)?

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

-2.07
Solubility 1.52 mg/ml ; 0.00841 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

-1.54
Solubility 5.24 mg/ml ; 0.0289 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

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.

-6.87 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.

0.56

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)

1.78

Application In Synthesis of [ 13506-76-8 ]

* 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 [ 13506-76-8 ]

[ 13506-76-8 ] Synthesis Path-Downstream   1~29

  • 1
  • [ 13506-76-8 ]
  • [ 66232-57-3 ]
YieldReaction ConditionsOperation in experiment
With oxalyl dichloride;N,N-dimethyl-formamide; In dichloromethane; at 20℃; for 2h; EXAMPLES; Example 1; 7-Methyl-1,2,3,4,4a,5-hexahydropyrazino[1,2-a]quinazolin-6-one; Part A. 2-Methyl-6-nitrobenzamide; To a solution of <strong>[13506-76-8]2-methyl-6-nitrobenzoic acid</strong> (10.0 g, 55.2 mmol) and oxalyl chloride (5.78 mL, 66.3 mmol) in dichloromethane (100 mL) was added DMF (5 drops). The reaction mixture stirred at RT for 2 hours and then concentrated to about 25 mL. The mixture was slowly poured into a cold solution (0 C.) of 7 N ammonia in methanol (500 mL). The reaction mixture was stirred at RT for 30 min, concentrated and the residue was dissolved in ethyl acetate (150 mL). The ethyl acetate solution was washed with with saturated sodium bicarbonate (2×200 mL), dried over sodium sulfate and concentrated to give the title compound (9.5 g, 67%) as a light brown solid.
With phosphorus pentachloride; In chloroform; cyclohexane; EXAMPLE 2 A mixture of 25 g of <strong>[13506-76-8]2-methyl-6-nitrobenzoic acid</strong> and 28.7 g of phosphorus pentachloride in 300 ml of cyclohexane was heated at reflux for 1 hour. The solution was concentrated and the residue was twice treated with chloroform and concentrated again to remove readily volatile materials and leave, as a residue, 2-methyl-6-nitrobenzoyl chloride as an oil.
With thionyl chloride;N,N-dimethyl-formamide; for 5.5h;Heating / reflux; To a solution of 2-methyl-6-nitrophenylbenzoic acid (3.02 g, 16.67 mmol) in thionyl chloride (0.56 M) was added DMF (cat.) and the mixture was heated to reflux for 5.5 h. The mixture was then cooled to room temperature and concentrated. The residue was then taken up in THF (30 mL) and added slowly over 20 min to a slurry of EPO <DP n="32"/>NaBH4 in THF (30 ml_) which pre-cooled to 0 C. The mixture was stirred at rt for 2 h and then quenched by addition of H2O followed by 4M HCI. The mixture was extracted with EtOAc. The combined organic phase was washed with sat. NaHCO3 and brine, dried over MgSO4 and concentrated to afford 2.52 g (90%) of the benzyl alcohol, an orange solid. 1H NMR (400 MHz, CDCI3) δ 2.55 (s, 3 H), 4.70 (s, 2 H), 7.35 (t, J=7.8 Hz, 1 H), 7.48 (d, J=7.6 Hz, 1 H), 7.70 (d, J=8.3 Hz, 1 H).
With thionyl chloride; In dichloromethane; at 80℃; for 3.5h; A mixture of <strong>[13506-76-8]2-methyl-6-nitrobenzoic acid</strong> (3.62g, 20.0 mmol) and thionyl chloride (15mL) was stirred at 80C for 3.5 hours. An excess of the thionyl chloride was distilled off under reduced pressure and the obtained residue was dissolved with methylene chloride (5mL). The solution was added dropwise to a methanol (10mL) solution of triethylamine (3.0mL) at 0C and stirred at 20-25C for 3 hours. The solvent was distilled off under reduced pressure. A saturated aqueous sodium bicarbonate solution was added to the obtained residue and the mixture was extracted with ethyl acetate. The organic layer was dried over anhydrous magnesium sulfate. The solvent was distilled off under reduced pressure to give methyl 2-methyl-6-nitrobenzoate (3.82g, 98%). 1H-NMR (CDCl3) δ :2.42(3H,s), 3.97(3H,s), 7.50(1H,t,J=7.9Hz), 7.55(1H,d, J=6.4Hz), 7.99(2H,d,J=8.0Hz)
With thionyl chloride; In toluene; for 2h;Reflux; A mixture of 2- methyl-6-nitrobenzoic acid (4.0 g, 22.0 mmol), toluene (20 mL) and thionyl chloride (SOC12)(10 g, 84 mmol) was heated at reflux for 2 h. The reaction was then concentrated at 45 C under reduced pressure, and THF (30 mL) was added to the resulting acid chloride. With cooling in an ice/water bath, N,N-diisopropylethylamine (10 mL) and o- toluidine (2.4 g, 22.4 mmol) were added. The reaction mixture was stirred at room temperature overnight. The mixture was then concentrated under reduced pressure, and the residue was dissolved in EtOAc (50 mL). This solution was washed with IN HCl (2 x 20mL) and an aqueous saturated NaHCO3 solution (2 x 20 mL) and concentrated in vacuo to afford 2-methyl-6-nitro-N-(o-tolyl)benzamide as an off-white solid (5.94 g, yield : 100%).

  • 2
  • [ 83-41-0 ]
  • [ 1975-50-4 ]
  • [ 13506-76-8 ]
  • [ 603-11-2 ]
YieldReaction ConditionsOperation in experiment
With oxygen; nitric acid; at 130 - 140℃; under 16501.7 - 18751.9 Torr; for 7h; (1) 3-Nitro-o-xylene (200 g) and 30% nitric acid (1000 g) are added to the oxidation reactor, the temperature is raised to 130-140 C, the oxygen pressure is 2.2-2.5 MPa, and the reaction is kept for 7 hours while stirring; (2) Cool down to 20-30C and filter to obtain 193 g of crude product (HPLC: 3-nitrophthalic acid 6.63%, 2-methyl-6-nitrobenzoic acid 15.92%, 3-nitro-2-methylbenzoic acid 60.74%, 3-nitro-o-xylene 8.66%); (3) The crude product was washed three times with 200 g of water to obtain 142 g of filter cake (HPLC spectrum shown in Figure 1: 3-nitrophthalic acid 0.52%, 2-methyl-6-nitrobenzoic acid 12.3%, 3-nitro-2-methylbenzoic acid 72.03%, 3-nitro-o-xylene 7.1%).
  • 3
  • [ 13506-76-8 ]
  • [ 4389-50-8 ]
YieldReaction ConditionsOperation in experiment
100% palladium; REFERENCE EXAMPLE 17 2-Amino-6-methylbenzoic acid To a methanolic solution (150 ml) of <strong>[13506-76-8]6-methyl-2-nitrobenzoic acid</strong> (14.25 g) was added palladium-on-carbon (1.40 g) and the hydrogenation reaction was conducted at atmospheric temperature and pressure (hydrogen consumption 5.3 1). The catalyst was filtered off and the filtrate was concentrated under reduced pressure to provide the title compound as light-yellow solid (15.12 g; yield 100%). 1 H-NMR (CDCl3) δ: 2.47(3H,s), 6.50(2H,t,J=8.1Hz), 7.00-7.07(4H,m). IR (KBr): 2927, 2645, 1645, 1599, 1545, 1470, 1394, 1334, 1288, 1236, 813, 775, 580, 419 cm-1.
1.2 g With palladium on activated charcoal; hydrogen; In methanol; at 20℃; for 2h; Pd/C (150 mg) was added to a solution of <strong>[13506-76-8]2-methyl-6-nitrobenzoic acid</strong> (1.5 g, 8.29 mmol) inCHOH (35 ml). The mixture was stirred at room temperature under H2 atmosphere for 2h.Then the mixture was filtered and concentrated to afford 1.2 g of the title compound as yellow solid. LCMS (ESI): calc’d for C8H9N02 [M+H]: 152, found: 152.
With 2 % platinum on carbon; hydrogen; In methanol; at 70 - 80℃; under 7500.75 - 9750.98 Torr;Autoclave; 2-Methyl-6-nitrobenzoic acid (500 g), platinum carbon (platinum content: 2%, 50 g), methanol (2000 g), put them into the autoclave, replace with nitrogen, and let the hydrogen pressure be 1.0-1.3 MPa, increase the temperature to 70-80C, control the temperature and control the reaction pressure until the reaction is complete (raw material
  • 5
  • [ 13506-76-8 ]
  • [ 74-88-4 ]
  • methyl 2-methyl-6-nitrobenzoate [ No CAS ]
  • 6
  • [ 38870-89-2 ]
  • [ 13506-76-8 ]
  • [ 19500-95-9 ]
  • [ 434935-69-0 ]
  • C11H11NO6 [ No CAS ]
  • 8
  • [ 13506-76-8 ]
  • [ 75-31-0 ]
  • [ 915375-64-3 ]
  • 9
  • [ 13506-76-8 ]
  • [ 74-88-4 ]
  • [ 61940-22-5 ]
YieldReaction ConditionsOperation in experiment
98% With potassium carbonate; In N,N-dimethyl-formamide; at 20℃; for 5h; Step 1: Methyl-(2-methyl-6-nitro)benzoate Into a suspension of 100 g (552 mmol) of <strong>[13506-76-8]2-methyl-6-nitrobenzoic acid</strong>, 114.4 g (828 mmol) of potassium carbonate in 500 mL of dimethylforamide was added dropwise 86 g (606 mmol) of iodomethane with stirring at ambient temperature. After addition, the suspension was stirred for additional 5 hours. The reaction mixture was then poured into water and extracted with ethyl acetate. The organic layer was washed with water and brine and dried over anhydrous sodium sulfate. Any solid was removed by filtration and the filtrate was concentrated to a 105.6 g of colorless oil as product in 98% yield. 1H NMR (CDCl3) (300 MHz) δ 2.7 (s, 3H), 3.95 (s, 3H), 8.01 (d, 3JHCCH=8.6 Hz, 1H), 7.62 (dd, 3JHCCH=8.6 Hz, 3JHCCH=7.6 Hz, 1H), 7.8 (d, 3JHCCH=7.6 Hz, 1H)
98% With potassium carbonate; In acetone; for 15h;Reflux; To the solution of <strong>[13506-76-8]2-methyl-6-nitrobenzoic acid</strong> (15 g, 82.8 mmol) dissolved in acetone (350 ml), iodomethane (25.8 ml, 414.0 mmol) and potassium carbonate (57.2 g, 414.0 mmol) were added, and the reaction mixture was refluxed for 15 hours and was stirred. The reaction mixture was cooled to a room temperature and was filtered. The filtrates were concentrated, and the residues were diluted, and then were extracted with EtOAc (250 ml*2times). The combined organic layer was dried on MgSO4, and the solvent was removed under vacuum to obtain yellow oil. The combined organic layer was concentrated under reduced pressure to obtain methyl 2-methyl-6-nitro benzoate (compound <16-1>) (15.9 g, 81.5 mmol, 98%) as a white solid.
94% With potassium carbonate;Reflux; To a solution of <strong>[13506-76-8]2-methyl-6-nitrobenzoic acid</strong> (5.0 g, 27.6 mmol) in acetone (60 mL) was added K2CO3 (5.7 g, 41.4 mmol) and MeI (4.3 g, 30.4 mmol), the resulting reaction mixture was heated to reflux overnight. Then it was quenched with water, extracted with EtOAc, and the combined organic phase was concentrated in vacuo to give a residue, which was purified by column chromatography (PE/EtOAc = 50/1 to 10/1) to give methyl 2-methyl-6-nitrobenzoate (5.1 g, yield 94%) as a light oil.1H NMR (300 MHz, DMSO-d6): d 8.03 (d, J = 8.1 Hz, 1H), 7.76 (d, J = 7.6 Hz, 1H), 7.65 (dd, J = 8.1, 7.6 Hz, 1H), 3.87 (s, 3H) ppm.
With potassium carbonate; In acetone; for 15h;Heating / reflux; To a solution of the 2-methyl-6-nitro-benzoic acid (5.6 g, 30.9 mmol, 1.0 eq, Aldrich) and acetone (100 mL) was added crushed K2CO3 (21.4 g, 154.6 mmol, 5 eq) and MeI (9.6 mL, 154.6 mmol, 5.0 eq.). The reaction was heated to reflux for 15 h then cooled to RT, filtered and concentrated in vacuo. The filtrate was dissolved in EtOAc, washed with H2O and brine, dried (MgSO4) and concentrated in vacuo to give the desired compound as a reddish-brown oil which upon standing at RT crystallized as tan needles.
With potassium carbonate; In acetone; for 15h;Heating / reflux; To a solution of 2-methyl-6-nitro-benzoic acid (5.6 g, 30.9 mmol, 1.0 eq, Aldrich) and acetone (100 mL) was added crushed K2CO3 (21.4 g, 154.6 mmol, 5 eq) and MeI (9.6 mL, 154.6 mmol, 5.0 eq). The reaction was heated to reflux for 15 h then cooled to RT, filtered and concentrated in vacuo. The filtrate was dissolved in EtOAc, washed with H2O and brine, dried (MgSO4) and concentrated in vacuo to give the desired compound as a reddish-brown oil which upon standing at RT crystallized to tan needles
With potassium carbonate; In butanone; for 18h;Reflux; Example 1. Preparation of N-(3-oxo-2-(3-(trifluoromethyl)phenyl)isoindolin-4- yl)pyrazine-2-carboxamide (Compound 100):Step 1) Synthesis of methyl 2-methyl-6-nitrobenzoate (2):2-Methyl-6-nitrobenzoic acid (1; 10 g, 0.0552 mol) was taken up in 200 mL of methyl ethyl ketone along with methyl iodide (17.2 mL, 0.276 mol) and anhydrous potassium carbonate (38.1 g, 0.276 mol). The reaction mixture was stirred under reflux for 18 h. It was then cooled to room temperature and filtered. The filtrate was diluted with EtOAc (300 mL), washed with water (2 x 50 mL), brine, dried (Na2SO4) and concentrated under reduced pressure to afford methyl 2- methyl-6-nitrobenzoate 2 (10.80 g).
With potassium carbonate; In butanone; for 18h;Reflux; Example 1. Preparation of N-(l-oxo-2-(3-(trifluoromethyl)phenyl)-l,2,3,4- tetrahydroisoquinolin-8-yl)pyrazine-2-carboxamide (Compound 101): Step 1) Synthesis of methyl 2-methyl-6-nitrobenzoate (2): 2-Methyl-6-nitrobenzoic acid (1; 10 g, 55.2 mol) was taken up in 200 mL of methyl ethyl ketone along with methyl iodide (17.2 mL, 276.0 mmol) and anhydrous potassium carbonate (38.1 g, 276.0 mmol). The reaction mixture was stirred under reflux for 18 h. It was then cooled to room temperature and filtered. The filtrate was diluted with EtOAc (300 mL), washed with water (2 x 50 mL), brine, dried (Na2SO4) and concentrated under reduced pressure to afford 10.80 g of methyl 2- methyl-6-nitrobenzoate 2. MS (ESI) calcd for C9H9NO4: 195.05; found: 196 [M + H].
10.80 g With potassium carbonate; In butanone; for 18h;Reflux; Step 1) Synthesis of methyl 2-methyl-6-nitrobenzoate (2) 2-Methyl-6-nitrobenzoic acid (1; 10 g, 55.2 mol) was taken up in 200 mL of methyl ethyl ketone along with methyl iodide (17.2 mL, 276.0 mmol) and anhydrous potassium carbonate (38.1 g, 276.0 mmol). The reaction mixture was stirred under reflux for 18 h. It was then cooled to room temperature and filtered. The filtrate was diluted with EtOAc (300 mL), washed with water (2*50 mL), brine, dried (Na2SO4) and concentrated under reduced pressure to afford 10.80 g of methyl 2-methyl-6-nitrobenzoate 2. MS (ESI) calcd for C9H9NO4: 195.05. found: 196 [M+H].

  • 10
  • [ 13506-76-8 ]
  • [ 169045-00-5 ]
  • 11
  • [ 13506-76-8 ]
  • [ 878156-33-3 ]
  • 12
  • [ 13506-76-8 ]
  • C24H24N2O [ No CAS ]
  • 13
  • [ 13506-76-8 ]
  • [ 878155-22-7 ]
  • 15
  • [ 13506-76-8 ]
  • [ 857000-47-6 ]
  • 16
  • [ 13506-76-8 ]
  • 2-methyl-6-nitro-<i>N</i>-phenyl-benzimidoyl chloride [ No CAS ]
  • 17
  • [ 13506-76-8 ]
  • 2-methyl-6-nitro-N-o-tolylbenzimidoyl chloride [ No CAS ]
  • 19
  • [ 13506-76-8 ]
  • [ 936025-14-8 ]
  • 20
  • [ 13506-76-8 ]
  • [ 936025-03-5 ]
  • 21
  • [ 13506-76-8 ]
  • <i>N</i>-(3,5-difluoro-phenyl)-2-methyl-6-nitro-benzimidoyl chloride [ No CAS ]
  • 22
  • [ 13506-76-8 ]
  • (S)-(1-(5-methyl-4-oxo-3-phenyl-3,4-dihydroquinazolin-2-yl)ethyl)carbamate tert-butyl ester [ No CAS ]
  • 23
  • [ 13506-76-8 ]
  • tert-butyl (S)-(1-(5-methyl-4-oxo-3-(o-tolyl)-3,4-dihydroquinazolin-2-yl)ethyl)carbamate [ No CAS ]
  • 24
  • [ 13506-76-8 ]
  • [ 936025-19-3 ]
  • 26
  • [ 13506-76-8 ]
  • tert-butyl (S)-1-(3-(2,6-difluorophenyl)-5-methyl-4-oxo-3,4-dihydroquinazolin-2-yl)ethylcarbamate [ No CAS ]
  • 27
  • [ 13506-76-8 ]
  • tert-butyl (S) 1-(3-(3,5-difluorophenyl)-5-methyl-4-oxo-3,4-dihydroquinazolin-2-yl)ethylcarbamate [ No CAS ]
  • 28
  • [ 13506-76-8 ]
  • tert-butyl (R) 1-(3-(3,5-difluorophenyl)-5-methyl-4-oxo-3,4-dihydroquinazolin-2-yl)ethylcarbamate [ No CAS ]
  • 29
  • [ 13506-76-8 ]
  • tert-butyl (S)-1-(N-(3,5-difluorophenyl)-2-methyl-6-nitrobenzamido)-1-oxopropan-2-ylcarbamate [ No CAS ]
 

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