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CAS No. : | 100727-07-9 | MDL No. : | MFCD03950803 |
Formula : | C13H11NO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | XXWHZIJHYNPASE-UHFFFAOYSA-N |
M.W : | 197.23 | Pubchem ID : | 2396509 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P305+P351+P338-P304+P340-P405 | UN#: | N/A |
Hazard Statements: | H302 | Packing Group: | N/A |
GHS Pictogram: |
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* 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 formaldehyd; 4-hydroxyl-amino-toluene-sulfonic acid-(2) man zersetzt das Reaktionsprodukt durch Kochen mit verd. Essigsaeure; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 16% 2: 32% | for 30h; Irradiation; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium cyanoborohydride In methanol for 3h; Heating; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With ammonium acetate; acetic acid at 100℃; for 6h; | 69.1.2 A mixture of 4-phenylamino-benzaldehyde (3 g, 15.2 mmol) described in Manufacturing Example 69-1-1, nitromethane (1.63 mL, 30.4 mmol), ammonium acetate (1.76 g, 22.8 mmol) and acetic acid (30 mL) was stirred for 6 hours at 100° C. This mixture was cooled to room temperature, concentrated under a reduced pressure, and diluted with ethyl acetate. The organic layer was washed with water and saturated aqueous sodium chloride, dried over anhydrous magnesium sulfate, and filtered. The filtrate was concentrated under a reduced pressure to obtain the title compound (3.2 g). This compound was used in the following reaction without being purified. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
98% | Stage #1: 4-(phenylamino)benzonitrile With diisobutylaluminium hydride In toluene at -78 - 20℃; for 5h; Stage #2: With rochelle salt In water; ethyl acetate; toluene | 69.1.1 To a toluene (20 mL) solution of 4-phenylamino-benzonitrile (3 g, 15.4 mmol) was added diisobutyl aluminum hydride (22.9 mL, 1.01 M toluene solution, 23.1 mmol) under nitrogen atmosphere at -78° C. This mixture was stirred for 5 hours at room temperature. The mixture was partitioned into ethyl acetate and 20% aqueous Rochelle salt solution. After removal of insoluble matter by filtering through a Celite pad, the filtrate was partitioned. The organic layer was separated, washed with saturated aqueous sodium chloride, dried over anhydrous magnesium sulfate, and filtered. The filtrate was concentrated under a reduced pressure to obtain the title compound (3 g, 98%). This compound was used in the following reaction without further purification. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
89% | With potassium carbonate In <i>tert</i>-butyl alcohol at 110℃; for 1h; | |
89% | With dichloro(3-chloropyridinyl)(1,3-(diisopropylphenyl)-4,5-bis(dimethylamino)imidazol-2-ylidene)palladium(II); caesium carbonate In 1,2-dimethoxyethane at 80℃; for 24h; Schlenk technique; Sealed tube; Inert atmosphere; | |
83 %Chromat. | With potassium phosphate In dimethyl sulfoxide at 120℃; for 24h; | 2.3 N-arylation of Aniline General procedure: A mixture of aryl halide (1 mmol), aniline (1.2 mmol), Pd/AlO(OH) (0.31 mol%), potassium phosphate (1.5 mmol) andDMSO (3 mL) was stirred at 120 °C for the appropriatetime (Scheme 2). After completion of the reaction as indicatedby TLC or GC, the reaction mixture was centrifugedto recover the catalyst. The centrifugate was diluted with3 mL of ethyl acetate and treated with 3 mL of HCl (2 M)to separate the product. Then, the organic layers were driedover anhydrous sodium sulphate, filtered, concentrated, andthe resulting product was purified by column chromatographyusing hexane:ethyl acetate (80:20) mixture. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In toluene for 24h; | 12 An amount of 100 mg (0.31 mmol) racemic acetonide was mixed with 1 ml. toluene and 10 mg p-toluenesulfonic acid. To the mixture was added 2 eq (0.62 mmol, 122 mg) of 4- phenylaminobenzaldehyde. The mixture was stirred for 24h and evaporated using a nitrogen flow. The crude reaction mixture was purified over a miniature silica gel column, using methanol(1 )/DCM(19). Pure fractions were identified by TLC, collected, evaporated and analyzed by HPLC and mass spectrometry. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In toluene for 24h; | 11 An amount of 100 mg (0.31 mmol) racemic acetonide was mixed with 1 mL toluene and 10 mg p-toluenesulfonic acid. To the mixture was added 2 eq (0.62 mmol, 122 mg) of 4-phenylaminobenzaldehyde. The mixture was stirred for 24 h and evaporated using a nitrogen flow. The crude reaction mixture was purified over a miniature silica gel column, using methanol(1)/DCM(19). Pure fractions were identified by TLC, collected, evaporated and analyzed by HPLC and mass spectrometry. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
89% | Stage #1: 4-hydroxy-benzaldehyde; aniline With caesium carbonate; chloroacetyl chloride In N,N-dimethyl-formamide at 20℃; for 0.5h; Stage #2: In N,N-dimethyl-formamide at 150℃; Microwave irradiation; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
97% | With trifluoroacetic acid In dichloromethane at 20 - 25℃; for 5h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
93% | With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In toluene at 110℃; for 16h; Inert atmosphere; | 4 Synthesis of Compound 4-2 To a suspension of compound 4-1 (1 g, 5.4 mmol) and compound 4-1-1 (0.5 g, 5.4 mmol) in toluene (30 mL) was added successively Pd2(dba)3 (123 mg, 0.135 mmol), Xantphos (78 mg, 0.135 mmol) and Cs2CO3 (cesium carbonate) (3.52 g, 10.8 mmol) under nitrogen atmosphere, and then the reaction solution was heated to 110° C. and stirred for 16 h. The reaction was monitored by TLC (PE/EA=5:1) until the completion of reaction. The reaction solution was diluted with EtOAc (20 mL), filtered, concentrated and stripped to give a residue which was purified by silica gel column chromatography (PE/EA=4:1) to afford compound 4-2 (1.067 g, Yield 93%). LCMS (ESI) m/z: 198 (M+1) |
71% | With potassium hydroxide In water at 20℃; for 6h; Green chemistry; | |
69% | With palladium diacetate; caesium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl In toluene for 16h; Reflux; Inert atmosphere; | 4-(phenylamino)benzaldehyde. 4-(phenylamino)benzaldehyde. Aniline (130 mg, 1.40 mmol) and4-bromobenzaldehyde (291 mg, 1.68 mmol) was added into a solution of PhMe (l0mL) with Pd(OAc)2 (15.7 mg, 0.07mmol), BINAP(60.96 mg, 0.10 mmol), Cs2CO3 (910 mg, 2.8 mmol). Then the mixture was heated at reflux under N2. After 1 6hrs, the solvent was partitioned between H20 and EtOAc. The organic layer was concentrated and purified by column chromatography(Petroleum ether:EtOAc =5:1) to give 4-(phenylamino)benzaldehyde (236.6 mg, yield 69%). |
63% | With palladium diacetate; caesium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl In toluene for 12h; Inert atmosphere; Reflux; | |
96 %Chromat. | With potassium phosphate In dimethyl sulfoxide at 120℃; for 24h; | 2.3 N-arylation of Aniline General procedure: A mixture of aryl halide (1 mmol), aniline (1.2 mmol), Pd/AlO(OH) (0.31 mol%), potassium phosphate (1.5 mmol) andDMSO (3 mL) was stirred at 120 °C for the appropriatetime (Scheme 2). After completion of the reaction as indicatedby TLC or GC, the reaction mixture was centrifugedto recover the catalyst. The centrifugate was diluted with3 mL of ethyl acetate and treated with 3 mL of HCl (2 M)to separate the product. Then, the organic layers were driedover anhydrous sodium sulphate, filtered, concentrated, andthe resulting product was purified by column chromatographyusing hexane:ethyl acetate (80:20) mixture. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | With η5‐cyclopentadienyl‐η3‐1‐phenylallylpalladium; potassium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In 1,4-dioxane at 80℃; for 12h; Inert atmosphere; | 3 Example 3 General procedure: I n this Example, an aryl fluorosulfonate is reacted with aniline as shown in Equation 7: Equation 7 [0051] The present Example is performed in a nitrogen- filled glovebox. To each of 12 30 mL vials are added one of the aryl fluorosulfonates selected from Table 1 where R in Equation 7 represents one or more groups joined to the aryl ring as shown (2.50 mmol), Xantphos (0.017 g; 0.03 mmol); potassium carbonate (0.691 g; 5.00 mmol), and 1,4-dioxane (5 mL). To each stirring mixture is added aniline (274 uL) and CpPd (cinnamyl) (0.007 g in 100 uL 1,4-dioxane). Each reaction mixture is heated at 80 °C for 12 to 24 hours. The reaction mixture is cooled to room temperature and adsorbed onto silica gel. The product is purified by flash chromatography (ISCO, manufactured by Teledyne) and the volatiles are removed by vacuum to reveal the desired product having yields recorded in Table 1. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | With η5‐cyclopentadienyl‐η3‐1‐phenylallylpalladium; potassium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In 1,4-dioxane at 80℃; for 12h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: tris-(dibenzylideneacetone)dipalladium(0); tri-t-butylphosphonium tetraphenylborate complex; sodium t-butanolate / toluene / 18 h / Inert atmosphere; Reflux 2: piperidine / ethanol / 3 h / Reflux |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
23.4% | With tris-(dibenzylideneacetone)dipalladium(0); sodium t-butanolate; tri-t-butylphosphonium tetraphenylborate complex In toluene for 18h; Inert atmosphere; Reflux; | 3 To a solution of 9-chloro-11,11-dimethylbenzo[a]fluorene (1.05 g, 3.78 mmol) in toluene (20 mL) under an argon atmosphere, 4-(phenylamino)benzaldehyde (745 mg, 3.78 mmol), tris(dibenzylideneacetone)dipalladium (174 mg, 0.19 mmol), tri(tert-butyl)phosphonium tetraphenylborate (198 mg, 0.38 mmol), sodium-tert-butoxide (1.09 g, 11.3 mmol) was added, and refluxed for 18 hours. After completion of the reaction, 1M hydrochloric acid (100 mL) and water (300 nL) were added to the reaction mixture and the mixture was extracted with ethyl acetate (300 mL). Further, the aqueous layer was extracted again with ethyl acetate (150 mL). Then, the combined organic layer was washed with water (400 mL), dried over anhydrous magnesium sulfate, the desiccant was filtered off and the solvent was distilled off under reduced pressure. The obtained residue was purified with an automatic setting medium pressure column chromatography system (manufactured by Yamazen) to obtain 4-({11,11-dimethylbenzo[a]fluoren-9-yl}-N-phenylamino)benzaldehyde (1.66 g,23.4%) was obtained. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
60 %Chromat. | With potassium phosphate In dimethyl sulfoxide at 120℃; for 24h; | 2.3 N-arylation of Aniline General procedure: A mixture of aryl halide (1 mmol), aniline (1.2 mmol), Pd/AlO(OH) (0.31 mol%), potassium phosphate (1.5 mmol) andDMSO (3 mL) was stirred at 120 °C for the appropriatetime (Scheme 2). After completion of the reaction as indicatedby TLC or GC, the reaction mixture was centrifugedto recover the catalyst. The centrifugate was diluted with3 mL of ethyl acetate and treated with 3 mL of HCl (2 M)to separate the product. Then, the organic layers were driedover anhydrous sodium sulphate, filtered, concentrated, andthe resulting product was purified by column chromatographyusing hexane:ethyl acetate (80:20) mixture. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: triethylamine; dmap / dichloromethane / 1 h / 40 °C 2.1: lithium diisopropyl amide / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere 2.2: 2 h / -78 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1.1: triethylamine; dmap / dichloromethane / 1 h / 40 °C 2.1: lithium diisopropyl amide / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere 2.2: 2 h / -78 °C 3.1: manganese(IV) oxide / dichloromethane / 5 h / 40 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1.1: triethylamine; dmap / dichloromethane / 1 h / 40 °C 2.1: lithium diisopropyl amide / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere 2.2: 2 h / -78 °C 3.1: manganese(IV) oxide / dichloromethane / 5 h / 40 °C 4.1: ammonium hydroxide / tetrahydrofuran / 1 h / 80 °C / Microwave irradiation |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 5 steps 1.1: triethylamine; dmap / dichloromethane / 1 h / 40 °C 2.1: lithium diisopropyl amide / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere 2.2: 2 h / -78 °C 3.1: manganese(IV) oxide / dichloromethane / 5 h / 40 °C 4.1: ammonium hydroxide / tetrahydrofuran / 1 h / 80 °C / Microwave irradiation 5.1: diisopropylamine / isopropyl alcohol / 2 h / 110 °C / Microwave irradiation |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 6 steps 1.1: triethylamine; dmap / dichloromethane / 1 h / 40 °C 2.1: lithium diisopropyl amide / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere 2.2: 2 h / -78 °C 3.1: manganese(IV) oxide / dichloromethane / 5 h / 40 °C 4.1: ammonium hydroxide / tetrahydrofuran / 1 h / 80 °C / Microwave irradiation 5.1: diisopropylamine / isopropyl alcohol / 2 h / 110 °C / Microwave irradiation 6.1: hydrogenchloride / dichloromethane; methanol / 0.5 h / 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 7 steps 1.1: triethylamine; dmap / dichloromethane / 1 h / 40 °C 2.1: lithium diisopropyl amide / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere 2.2: 2 h / -78 °C 3.1: manganese(IV) oxide / dichloromethane / 5 h / 40 °C 4.1: ammonium hydroxide / tetrahydrofuran / 1 h / 80 °C / Microwave irradiation 5.1: diisopropylamine / isopropyl alcohol / 2 h / 110 °C / Microwave irradiation 6.1: hydrogenchloride / dichloromethane; methanol / 0.5 h / 20 °C 7.1: HATU; N-ethyl-N,N-diisopropylamine / dichloromethane / 1 h / 16 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
66% | With dmap; triethylamine In dichloromethane at 40℃; for 1h; | 4 Synthesis of Compound 4-3 To a solution of compound 4-2 (1 g, 5.07 mmol) in DCM (20 mL) was added successively Boc2O (1.33 g, 6.08 mmol), TEA (1.03 g, 10.14 mmol) and DMAP (0.12 g, 1.01 mmol) and then the reaction solution was stirred at 40° C. for 1 h. The reaction was monitored by TLC (PE/EA=5:1) until the completion of reaction. The reaction solution was washed with saturated brine, dried over anhydrous Na2SO4, filtered and concentrated to give a residue which was purified by silica gel column chromatography (PE/EA=5:1) to afford compound 4-3 (1.5 g, Yield 66%). LCMS (ESI) m/z: 298 (M+1) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With tri-tert-butyl phosphine; palladium diacetate; sodium t-butanolate; In para-xylene; for 16h;Reflux; | a) Synthesis of 4-(4-n-octylphenylphenylamino)benzaldehyde (0231) 50.0 g (254 mmol) of 4-phenylaminobenzaldehyde, 75.1 g (279 mmol) of p-bromo-n-octylphenyl and 73.1 g (760 mmol) of NaOtBu are suspended in 1 l of p-xylene. 1.1 g (5 mmol) of Pd(OAc)2 and 3.8 ml of a 1M tri-tert-butylphosphine solution are added to this suspension. The reaction mixture is heated under reflux for 16 h. After cooling, the organic phase is separated off, washed three times with 200 ml of water and subsequently evaporated to dryness. The residue is extracted with hot toluene, and employed in the subsequent reaction without further purification. The yield is 81.7 g (212 mmol, 83.6%) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium cyanoborohydride In methanol; ethanol at 20℃; for 6h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: sodium cyanoborohydride / methanol; ethanol / 6 h / 20 °C 2: sodium hydroxide / methanol; water / 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
94% | With tungsten hexacarbonyl; triphenylphosphine at 22℃; for 24h; Inert atmosphere; Schlenk technique; Sealed tube; Irradiation; | |
65% | Stage #1: 4-nitrobenzaldehdye In toluene for 0.0333333h; Stage #2: phenylboronic acid With triphenylphosphine In toluene at 100℃; for 24h; Inert atmosphere; | |
39 %Spectr. | With molybdenum trioxide; triphenylphosphine In toluene at 20℃; for 24h; Irradiation; |
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