Structure of 3575-32-4
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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
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CAS No. : | 3575-32-4 |
Formula : | C8H14Cl2N2 |
M.W : | 209.12 |
SMILES Code : | Cl.Cl.CN(C)C1=CC(N)=CC=C1 |
MDL No. : | MFCD00012971 |
InChI Key : | BZJPIQKDEGXVFG-UHFFFAOYSA-N |
Pubchem ID : | 77124 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H317-H319 |
Precautionary Statements: | P280-P305+P351+P338 |
Num. heavy atoms | 12 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.25 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 0.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 58.98 |
TPSA ? Topological Polar Surface Area: Calculated from |
29.26 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
0.0 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.84 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.95 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.1 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
0.67 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.71 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.23 |
Solubility | 0.123 mg/ml ; 0.000589 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.11 |
Solubility | 0.161 mg/ml ; 0.000771 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.12 |
Solubility | 1.59 mg/ml ; 0.00762 mol/l |
Class? Solubility class: Log S scale |
Soluble |
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) |
No |
CYP1A2 inhibitor? Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set) |
No |
CYP2C19 inhibitor? Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set) |
No |
CYP2C9 inhibitor? Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set) |
No |
CYP2D6 inhibitor? Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set) |
No |
CYP3A4 inhibitor? Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set) |
No |
Log Kp (skin permeation)? Skin permeation: QSPR model implemented from |
-5.56 cm/s |
Lipinski? Lipinski (Pfizer) filter: implemented from |
0.0 |
Ghose? Ghose filter: implemented from |
None |
Veber? Veber (GSK) filter: implemented from |
0.0 |
Egan? Egan (Pharmacia) filter: implemented from |
0.0 |
Muegge? Muegge (Bayer) filter: implemented from |
0.0 |
Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat |
0.55 |
PAINS? Pan Assay Interference Structures: implemented from |
0.0 alert |
Brenk? Structural Alert: implemented from |
1.0 alert: heavy_metal |
Leadlikeness? Leadlikeness: implemented from |
No; 1 violation:MW<1.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
1.44 |
* 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.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With triethylamine; In dichloromethane; at 5 - 20℃; for 20h; | The solution of 3-dimethylaminophenyl isocyanate in 0.14 N tetrahydrofuran can be prepared in the following way: 1.46 g (7 mmol) of N1,N1-dimethylbenzene-1,3-diamine dihydrochloride, followed by 9.9 cm3 (71.64 mmol) of triethylamine, are added, at a temperature in the region of 5 C., under an argon atmosphere, to 2.82 g (9.5 mmol) of triphosgene in solution in 150 cm3 of dichloromethane. After stirring for 20 hours at a temperature in the region of 20 C., the reaction mixture is concentrated to dryness under reduced pressure (2.7 kPa), to give a residue which is triturated in 50 cm3 of tetrahydrofuran. After filtration, a solution of 3-dimethylaminophenyl isocyanate in approximately 0.14 N tetrahydrofuran is obtained, which solution is used directly in the subsequent step. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
58% | With potassium carbonate; In acetic acid; acetonitrile; for 1h;Heating / reflux; | A mixture of 2.54 grams (0.01 moles) of but-2-ynoic acid [3-cyano-4-(dimethylamino-methyleneamino)-phenyl]-amide, 2.40 grams (0.0115 moles) of N, N-dimethyl-1,3-phenylenediamine dihydrochloride, and 1.59 grams (0.0115 moles) of potassium carbonate in 2.5 mL of glacial acetic acid and 5 mL of acetonitrile was refluxed for an hour. On cooling the solid was filtered and recrystallized from methyl cellusolve to give 2.02 grams (58%) of the desired product, which melted at 252-254C. MS M+H = 346.1. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium hydrogencarbonate; In water; ethyl acetate; | Commercially available N,N-dimethyl-1,3-phenylene diamine dihydrochloride salt (12 g) was neutralized with solid NaHCO3 (partitioned between H2O and EtOAc). After neutralization, the phases were separated and the organic phase dried and concentrated to give a brownish oil (7.8 g, 57.3 mmol) which was used as is in the next step. Dimethyl acetylene dicarboxylate 15 (7.044 mL, 57.3 mmol) was dissolved in MeOH and treated with the neutralized aniline 16 (portionwise) in MeOH at 0 C. Considerable heat was generated (exothermic reaction). The mixture (brown) was heated at 65 C. for 2 hours. The brown solution was concentrated to dryness, extracted into EtOAc and washed with sat. NaHCO3 (aq), followed by brine, dried (MgSO4), filtered, and concentrated. The crude mixture was purified by flash chromatography using a 10% EtOAc/hexane solvent to afford 12 g of compound 17. [0222] MS: electrospray: (M+H)+; 279 and (M-H)-; 277 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
49% | With pyridine; In tetrahydrofuran; ethyl acetate; | Example 176 N-(3-Dimethylamino)phenyl-(2-chloro-5-nitrophenyl)carboxamide Reaction was carried out according to the procedure described in Example 2 using 3-dimethylaminoaniline dihydrochloride (0.511 g, 2.45 mmol), THF (10 ml), pyridine (2 ml) and 2-chloro-5-nitrobenzoyl chloride (0.59 g, 2.70 mmol). After the reaction was completed, saturated aqueous sodium bicarbonate solution (30 ml) and ethyl acetate (30 ml) were added to the reaction mixture and the mixture was partitioned. The organic layer was separated, washed with saturated aqueous sodium chloride solution (20 ml*2), dried over anhydrous sodium sulfate and then the solvent was removed under reduced pressure to afford a crude title compound. The obtained crude compound was purified by chromatography on a silica gel column [hexane:ethyl acetate=1:1 (v/v)]. The compound was solidified with diisopropyl ether, filtered and dried to afford the title compound (0.38 g, yield 49%). 1H-NMR (400 MHz, DMSO-d6, TMS): delta(ppm) 2.99 (6H, s), 6.58 (1H, dd, J=2.2, 8.3 Hz), 6.84 (1H, dd, J=1.7, 7.8 Hz), 7.16 (1H, t, J=2.2 Hz), 7.23 (1H, t, J=8.3 Hz), 7.65 (1H, d, J=8.8 Hz), 7.74 (1H, bs), 8.25 (1H, dd, J=2.7, 8.8 Hz); MS(FAB) m/z: 319 (M)+, 320 (M+H)+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
23% | With hydrogenchloride; In water; | EXAMPLE 13 4-(4-Dimethylaminoanilino)-6-(methoxymethyl)-2-(3-methylphenyl)pyrimidine A mixture of 4-chloro-6-(methoxymethyl)-2-(3-methylphenyl)pyrimidine (100 mg, 0.402 mmol), N,N-dimethyl-1,3-phenylene-diamine dihydrochloride (84 mg, 0.402 mmol), water (5 ml) and 2N HCl (300 mul) was refluxed for 6 h. The mixture was diluted with ethyl acetate (50 ml), washed with water and saturated NaCl. The ethyl acetate solution was dried over anhydrous sodium sulfate, concentrated in vacuo and purified by column chromatography (hexane:ethyl acetate, 3: 1) to yield a tan oily product (32 mg, 23%). 1H NMR (CDCl3): 8.22-8.20 (m, 1H), 8.18 (s, 1H), 7.34 (t, J=7.5 Hz, 1H), 7.25-7.20 (m, 2H), 6.96 (bs, 1H), 6.89 (s, 1H), 6.82 (s, 1H), 6.67 (dd, J=2.0, 8.0 Hz, 1H), 6.53 (dd, J=2.6, 8.6 Hz, 1H), 4.50 (m, 2H), 3.47 (m, 3H), 2.97 (s, 6H), 2.42 (s, 3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
EXAMPLE 14 4-(4-Dimethylaminoanilino)-6-methyl-2-(3-methylphenyl)pyrimidine The title compound was prepared from 4-chloro-6-methyl-2-(3-methylphenyl)pyrimidine (100 mg, 0.457 mmol) and N,N-dimethyl-1,3-phenylene-diamine dihydrochloride (96 mg, 0.457 mmol) similar to Example 13 as a yellow oil (9 mg, 6%). 1H NMR (CDCl3): 8.20 (s, 1H), 8.17 (s, 1H), 7.34 (t, J=7.5 Hz, 1H), 7.25-7.21 (m, 2H), 6.82 (t, J=2.1 Hz, 1H), 6.79 (bs, 1H), 6.66 (dd, J=2.0, 7.7 Hz, 1H), 6.54 (dd, J=2.9, 8.9 Hz, 2H), 2.97 (s, 6H), 2.42 (s, 6H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
32 mg (25%) | EXAMPLE 7 N-(3-Dimethylaminophenyl)-2-(3,5-dimethyl-1H-pyrrol-2-yl)-2-(2-oxo-1,2-dihydroindol-3-ylidene)-acetamide (3,5-Dimethyl-1H-pyrrol-2-yl)-(2-oxo-1,2-dihydroindol-3-ylidene)-acetic acid (90 mg) was reacted with 3-dimethylaminoaniline dihydrochloride (85 mg) using method B to give 32 mg (25%) of the title compound. MS-EI m/z 400 [M]+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With triethylamine; In ethyl acetate; | 4-(3-Dimethylaminophenylamino)-6-nitroquinoline-3-carbonitrile Prepared from 5.00 g of 4-chloro-6-nitroquinoline-3-carbonitrile, 5.38 g of 3-dimethylaminoaniline dihydrochloride and 5.17 g of triethylamine in the same manner as EXAMPLE 377. The crude product was taken up in EtOAc, treated with Darco, filtered through Celite, evaporated and dried in vacuo (50 C.). The yield of 4-(3-dimethylaminophenylamino)-6-nitroquinoline-3-carbonitrile was 5.62 g as brick red crystals: mass spectrum (electrospray, m/e): M+H 334.2. | |
With triethylamine; In ethyl acetate; | 4-(3-Dimethylaminophenylamino)-6-nitroquinoline-3-carbonitrile Prepared from 5.00 g of 4-chloro-6-nitroquinoline-3-carbonitrile, 5.38 g of 3-dimethylaminoaniline dihydrochloride and 5.17 g of triethylamine in the same manner as Example 377. The crude product was taken up in EtOAc, treated with Darco, filtered through Celite, evaporated and dried in vacuo (50 C.). The yield of 4-(3-dimethylaminophenylamino)-6-nitroquinoline-3-carbonitrile was 5.62 g as brick red crystals: mass spectrum (electrospray, m/e): M+H 334.2. | |
With triethylamine; In ethyl acetate; | Example 386 4-(3-Dimethylaminophenylamino)-6-nitroquinoline-3-carbonitrile Prepared from 5.00 g of 4-chloro-6-nitroquinoline-3-carbonitrile, 5.38 g of 3-dimethylaminoaniline dihydrochloride and 5.17 g of triethylamine in the same manner as Example 377. The crude product was taken up in EtOAc, treated with Darco, filtered through Celite, evaporated and dried in vacuo (50C). The yield of 4-(3-dimethylaminophenylamino)-6-nitroquinoline-3-carbonitrile was 5.62 g as brick red crystals: mass spectrum (electrospray, m/e): M+H 334.2. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With pyridine; | EXAMPLE 242 4-(3-Dimethylamino-phenylamino)-5,8-dimethoxy-quinoline-3-carbonitrile A mixture of 0.148 g of 4-chloro-5,8-dimethoxy-3-quinolinecarbonitrile, 0.146 g of <strong>[3575-32-4]N,N-dimethyl-1,3-phenylenediamine dihydrochloride</strong>, 0.2 ml of pyridine, and 5 ml of ethoxyethanol was stirred under nitrogen, at reflux temperature for 30 minutes. Then the mixture was partitioned between ethyl acetate and saturated sodium chloride solution. The organic layer was dried and concentrated in vacuo. The residue thus obtained was chromatographed on silica gel eluding with ethyl acetate. Solvent was removed from product fractions giving 0.160 g of 4-(3-dimethylamino-phenylamino)-5,8-dimethoxy-quinoline-3-carbonitrile as a solid, mp 103-105 C.; mass spectrum (EI, m/e): M 348.1588. | |
With pyridine; | Example 242 4-(3-Dimethylamino-phenylamino)-5,8-dimethoxy-quinoline-3-carbonitrile A mixture of 0.148 g of 4-chloro-5,8-dimethoxy-3-quinolinecarbonitrile, 0.146 g of <strong>[3575-32-4]N,N-dimethyl-1,3-phenylenediamine dihydrochloride</strong>, 0.2 ml of pyridine, and 5 ml of ethoxyethanol was stirred under nitrogen, at reflux temperature for 30 minutes. Then the mixture was partitioned between ethyl acetate and saturated sodium chloride solution. The organic layer was dried and concentrated in vacuo. The residue thus obtained was chromatographed on silica gel eluding with ethyl acetate. Solvent was removed from product fractions giving 0.160 g of 4-(3-dimethylamino-phenylamino)-5,8-dimethoxy-quinoline-3-carbonitrile as a solid, mp 103-105C; mass spectrum (EI, m/e): M 348.1588. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With toluene-4-sulfonic acid; triethylamine; In ethanol; dichloromethane; | EXAMPLE 1 Preparation of 1-(3-Dimethylaminophenyl)-2-methyl-5-phenyl-1H-pyrrole-3-carboxylic acid ethyl ester <strong>[3575-32-4]N,N-dimethyl-1,3-phenylenediamine dihydrochloride</strong> (5 mmol, 1.09), triethylamine (10 mmol, 1.4 mL), 3-oxo-2-(2-oxo-2-phenyl-ethyl)-butyric acid ethyl ester (5 mmol, 1.2 g), and tosic acid (0.1 g) were combined in ethanol (25 mL), then heated under reflux (12 hrs). The solvents were removed under vacuum, the resulting oil was redissolved in methylene chloride, then applied to a silica column. The purified product was collected as a translucent oil. The named compound was identified by 1H-NMR (CDCl3, ppm) 1.28 t (3H), 2.35 s (3H), 2.77 s (6H), 4.2 q (2H), 6.3-6.7 m (4H), and 7.0-7.3 m (5H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With toluene-4-sulfonic acid; triethylamine; In ethanol; dichloromethane; | EXAMPLE 13 Preparation of 1-(3-Dimethylaminophenyl)-5-methyl-2-phenyl-1H-pyrrole-3-carboxylic acid ethyl ester N,N-Dimethyl-1,3-phenylenediamine dihydrochloride (5 mmol, 1.0 g), 2-benzoyl-4-oxo-pentanoic acid ethyl ester (5 mmol, 1.2 g), triethylamine (10 mmol, 10 g), and tosic acid (0.1 g) were combined in ethanol, then heated under reflux. The resulting oil was resuspended in methylene chloride, then washed with water, 5% sodium bicarbonate, and brine. The organic layer was dried over NaSO4, then the solids were separated and the solvents removed under vacuum. The crude material was purified over silica gel and yielded the named product (m.p. 111.7 C.-114 C.). |
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