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[ CAS No. 1195-44-4 ] {[proInfo.proName]}

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Product Details of [ 1195-44-4 ]

CAS No. :1195-44-4 MDL No. :MFCD22054452
Formula : C8H9ClO Boiling Point : -
Linear Structure Formula :- InChI Key :YOZIDEHIYNEGMS-UHFFFAOYSA-N
M.W : 156.61 Pubchem ID :11983955
Synonyms :

Safety of [ 1195-44-4 ]

Signal Word:Warning Class:
Precautionary Statements:P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501 UN#:
Hazard Statements:H302-H315-H319-H335 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 1195-44-4 ]

* 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 [ 1195-44-4 ]

[ 1195-44-4 ] Synthesis Path-Downstream   1~50

  • 1
  • [ 1195-44-4 ]
  • [ 104-88-1 ]
YieldReaction ConditionsOperation in experiment
86% With nitric acid In dichloromethane at 20℃; for 1h;
With tetrachloromethane; bromine Irradiation;
With Cu(NO3)2-SiO2 In 2,2,4-trimethylpentane for 1h; Heating; Yield given;
89.2 - 91 %Chromat. With sodium bromate; acetic acid at 80 - 90℃; for 1.5 - 8h; 10; 16 In the same manner as in Example 3, the operation was conducted, except that 0.63 g (4 mmols) of p-chlorobenzyl methyl ether was used in place of m-methoxybenzyl alcohol and also 0.2g (1.35 mmols) of sodium bromate was used. With respect to the components in the reaction solution, the intended p-chlorobenzaldehyde was produced in an area ratio, as determined by gas chromatography, of 91.0%.Example 3 (An embodiment of the invention described in the above embodiment [1]): Production of m-methoxybenzaldehyde In a 15 ml test tube type reaction vessel equipped with a magnetic stirrer and a reflux condenser, 0.55 g (4 mmols) of m-methoxybenzyl alcohol, 0.18 g (1.2 mmols) of sodium bromate and 2 ml (34.8 mmols) of acetic acid were charged, and then the resultant mixture was stirred at 90°C for 1.5 hours. Along with the progress of the reaction, a small amount of bromine was produced. After the completion of the reaction, bromine completely disappeared.Example 16 (An embodiment of the invention described in the above embodiment [1]): Production of p-chlorobenzaldehyde In a 100 ml four-necked flask equipped with a magnetic stirrer, a reflux condenser and a thermometer, 31.3 g (200 mmols) of p-chlorobenzyl methyl ether, 10.0 g (67 mmols) of sodium bromate and 40 ml (696 mmols) of acetic acid were charged, and then the resultant mixture was stirred at 75°C for 8 hours. With the processing of the reaction, a small amount of bromine was produced and the temperature of the reaction solution was raised to 80°C. After the completion of the reaction, bromine completely disappeared. After recovering 28 m of acetic acid under reduced pressure, the resulting reaction solution was cooled to room temperature and 100 ml of water was added. An aqueous 24% sodium hydroxide solution was added by several portions so as not to raise the liquid temperature until the pH is adjusted to 11 or higher. The resulting product was extracted twice with 100 ml of ethyl acetate and the ethyl acetate phase was washed with saturated saline. The ethyl acetate phase was dried over anhydrous sodium sulfate and the solvent was distilled off under reduced pressure to obtain 29.0 g of a solid. With respect to the components in the solid, the intended p-chlorobenzaldehyde was produced in an area ratio, as determined by gas chromatography, of 89.2%.
With tert.-butylnitrite; oxygen; 2,3-dicyano-5,6-dichloro-p-benzoquinone In monoethylene glycol diethyl ether at 140℃; for 3.5h;

  • 3
  • [ 67-66-3 ]
  • [ 1195-44-4 ]
  • 1-Chloro-4-(2,2-dichloro-2-methoxy-ethyl)-benzene [ No CAS ]
YieldReaction ConditionsOperation in experiment
With sodium hydroxide; 2,4,6-tri-tert-butylphenoxol; benzyltrimethylammonium chloride In dichloromethane for 6h; Heating;
  • 4
  • [ 110-05-4 ]
  • [ 1195-44-4 ]
  • [ 22089-62-9 ]
  • 5
  • [ 1195-44-4 ]
  • [ 26434-37-7 ]
YieldReaction ConditionsOperation in experiment
With di-tert-butyl peroxide
  • 6
  • [ 1195-44-4 ]
  • 1,2-dimethoxy-1,2-di(4-chlorophenyl)ethane [ No CAS ]
YieldReaction ConditionsOperation in experiment
With di-tert-butyl peroxide
  • 7
  • [ 1878-66-6 ]
  • [ 52449-43-1 ]
  • [ 1195-44-4 ]
  • [ 3395-81-1 ]
  • [ 104-88-1 ]
  • [ 873-76-7 ]
  • 8
  • [ 67-56-1 ]
  • [ 106-43-4 ]
  • [ 1195-44-4 ]
  • [ 104-88-1 ]
YieldReaction ConditionsOperation in experiment
With sulfuric acid; tetraethylammonium tosylate 1.) electrochemical anodic oxidation, AcOH, 2.) RT, 3 h; Yield given. Multistep reaction. Yields of byproduct given;
  • 9
  • [ 67-56-1 ]
  • [ 130774-55-9 ]
  • [ 34642-42-7 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
With 2,6-dimethylpyridine at 32℃;
  • 10
  • [ 67-56-1 ]
  • [ 17876-99-2 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
72% With tetraethylammonium tosylate electrolysis, undivided cell, carbon rod electrodes;
  • 11
  • [ 106-39-8 ]
  • [ 27490-32-0 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
70% In N,N,N,N,N,N-hexamethylphosphoric triamide at 80℃; for 20h;
  • 12
  • [ 691-38-3 ]
  • 4-Chloro-benzyl-diazene [ No CAS ]
  • [ 1195-44-4 ]
  • 1-Chloro-4-((1R,2R)-2-isopropyl-3-methyl-cyclopropyl)-benzene [ No CAS ]
  • 1-Chloro-4-((1R,2S)-2-isopropyl-3-methyl-cyclopropyl)-benzene [ No CAS ]
YieldReaction ConditionsOperation in experiment
With methanol In 1,4-dioxane at 10℃; Irradiation; Yield given. Yields of byproduct given;
  • 13
  • [ 106-43-4 ]
  • [ 1195-44-4 ]
  • [ 104-88-1 ]
YieldReaction ConditionsOperation in experiment
With sodium tetrafluoroborate; sulfuric acid 1.) electrochemical anodic oxidation, AcOH, MeOH, 2.) RT, 3 h; Yield given. Multistep reaction. Yields of byproduct given;
  • 14
  • [ 1195-44-4 ]
  • [ 1126-46-1 ]
  • [ 74-11-3 ]
YieldReaction ConditionsOperation in experiment
With ruthenium tetroxide In water; acetone at 30℃;
  • 15
  • [ 873-76-7 ]
  • [ 74-88-4 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
91% Stage #1: para-Chlorobenzyl alcohol With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.25h; Inert atmosphere; Stage #2: methyl iodide In tetrahydrofuran; mineral oil at 0 - 20℃; Inert atmosphere;
82% With potassium hydroxide In dimethyl sulfoxide at 20℃; 1 Example 1; Protection of 4-chlorobenzyl alcohol; Dimethyl sulfoxide (300 mL) was placed into a 1 L round bottom flask under argon. The KOH (78.7 g, 1402 mmol) was then added and this was stirred for 15 minutes until most of the KOH dissolved. The 4-chlorobenzyl alcohol (50 g, 350.65 mmol) and then iodomethane (99.5 g, 701.3 mmol) were then added. The reaction was stirred at room temperature under argon overnight. Cyclohexane (300 mL) was then added and this was stirred for 1 hour. The layers were separated and the cyclohexane was washed twice with 50% brine solution. The organic layer was collected, dried (MgSO4) and concentrated in vacuo to give a yellowish oil, which was purified by distillation to give a clear and colorless oil in 82% yield.
With sodium hydride In tetrahydrofuran for 2h; Ambient temperature;
  • 16
  • [ 67-56-1 ]
  • [ 65622-34-6 ]
  • [ 106-43-4 ]
  • [ 1195-44-4 ]
  • [ 5216-35-3 ]
YieldReaction ConditionsOperation in experiment
With 1,3,5-trimethyl-benzene; 1-Cyanonaphthalene In acetonitrile at 20℃; Irradiation; other 4,4'-disubstituted dibenzyl ketones; var. donor-acceptor systems;
  • 17
  • [ 6214-19-3 ]
  • [ 60812-71-7 ]
  • [ 1195-44-4 ]
  • [ 6140-09-6 ]
YieldReaction ConditionsOperation in experiment
In dimethylsulfoxide-d6 at 30.3℃;
  • 18
  • [ 1195-44-4 ]
  • [ 630-19-3 ]
  • [ 6013-94-1 ]
  • 1-(4-Methoxymethyl-phenyl)-2,2-dimethyl-propan-1-ol [ No CAS ]
YieldReaction ConditionsOperation in experiment
With naphthalene; lithium 1.) THF, -80 deg C, 4 h, 2.) THF, 10 min; Yield given. Multistep reaction. Yields of byproduct given;
  • 19
  • [ 1195-44-4 ]
  • C8H8(2)HClO [ No CAS ]
YieldReaction ConditionsOperation in experiment
With water-d2; sec.-butyllithium 1.) THF, cyclohexane, -80 deg C, 4 h, 2.) THF, cyclohexane, 10 min; Yield given. Multistep reaction;
  • 20
  • [ 1195-44-4 ]
  • [ 100-52-7 ]
  • 1-(4-chlorophenyl)-2-hydroxy-2-phenylethyl methyl ether [ No CAS ]
YieldReaction ConditionsOperation in experiment
With sec.-butyllithium 1.) THF, cyclohexane, -80 deg C, 4 h, 2.) THF, cyclohexane, 10 min; Yield given. Multistep reaction;
  • 21
  • [ 1195-44-4 ]
  • [ 630-19-3 ]
  • 1-(4-chlorophenyl)-2-hydroxy-3,3-dimethylbutyl methyl ether [ No CAS ]
YieldReaction ConditionsOperation in experiment
With sec.-butyllithium 1.) THF, cyclohexane, -80 deg C, 4 h, 2.) THF, cyclohexane, 10 min; Yield given. Multistep reaction;
  • 22
  • [ 56-23-5 ]
  • [ 1195-44-4 ]
  • [ 7726-95-6 ]
  • [ 104-88-1 ]
YieldReaction ConditionsOperation in experiment
Irradiation;
  • 23
  • [ 1445-45-0 ]
  • [ 873-76-7 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
80% With iodine at 20℃; for 0.583333h;
  • 24
  • [ 873-76-7 ]
  • [ 149-73-5 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
85% With iodine at 20℃; for 0.5h;
  • 25
  • [ 873-76-7 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: SOCl2 2: 65 percent
  • 26
  • [ 74-11-3 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1: LAH 2: SOCl2 3: 65 percent
  • 27
  • [ 1195-44-4 ]
  • [ 104-88-1 ]
  • [ 623-03-0 ]
YieldReaction ConditionsOperation in experiment
With sodium bromate; ammonia In water at 90℃; for 4h; 20 Into a 15 ml, test tube-shaped reactor equipped with a magnetic stirrer and a reflux condenser were added 0.31 g (2 mmol) of p-chlorobenzyl methyl ether, 0.31 g (2.2 mmol) of p-chlorobenzaldehyde, 0.33 g (2.2 mmol) of sodium bromate, 2 ml (34.8 mmol) of acetic acid and 0.4 g (5.9 mmol) of 25% aqueous ammonia, followed by stirring at 90°C for 4 hours. The reaction mixture contained, as a product, 94.7% (in terms of areal ratio of gas chromatography) of p-chlorobenzonitrle, and p-chlorobenzyl methyl ether remained by 4.1%. Gas mass chromatography (GC-MS) was conducted and the molecular ion peak [M+] of p-chlorobenzonitrile was confirmed to be 137.
  • 28
  • [ 1195-44-4 ]
  • [ 623-03-0 ]
  • [ 1126-46-1 ]
YieldReaction ConditionsOperation in experiment
With sodium bromate; ammonia; water at 90℃; for 15h; 13 An operation was conducted in the same manner as in Example 8 except that p-nitrobenzaldehyde was replaced by 0.31 g (2 mmol) of p-chlorobenzyl methyl ether and 25% aqueous ammonia was used by 0.31 g (4.6 mmol). The reaction mixture contained, as components, 94.0% (in terms of areal ratio of gas chromatography) of p-chlorobenzonitrile, 2.3% of p-chlorobenzyl methyl ether and 3.7% of methyl p-chlorobenzoate. Gas mass chromatography (GC-MS) was conducted and the molecular ion peak [M+] of p-chlorobenzonitrile was confirmed to be 137.
  • 29
  • [ 67-56-1 ]
  • [ 104-83-6 ]
  • [ 1195-44-4 ]
  • [ 873-76-7 ]
YieldReaction ConditionsOperation in experiment
In water; acetonitrile at 75℃;
  • 30
  • [ 1195-44-4 ]
  • [ 62-53-3 ]
  • [ 918962-75-1 ]
YieldReaction ConditionsOperation in experiment
75% With sodium t-butanolate In toluene at 110℃; for 3h; 1 Buchwald Reaction: To a 500 mL 3-necked round bottom flask equipped with a mechanical stirrer, argon inlet, thermometer and reflux condenser was placed (1,3-diisopropylimidazol-2-ylidene)(3-chloropyridyl) palladium(II) dichloride (2.19 g, 3.2 mmol) and was dissolved in toluene (50 mL) under argon. Then aniline (10 g, 107.4 mmol), the protected 4-chlorobenzyl alcohol (50.30 g, 322.2 mmol) and then sodium tert-butoxide (20.6 g, 214.8 mmol) were added. The reaction was stirred under argon at 110° C. until the reaction was complete, usually 3 hours. The reaction was then cooled and then washed twice with a 50% aqueous brine solution. The organic layer was collected, dried (MgSO4) and then treated with 20 g each of an acidified clay and alumina at 100° C. for 30 minutes. The solids were filtered and the filtrate was concentrated under reduced pressure to produce a light yellow oil in 75% yield. NMR confirmed that the desired triarylamine, 4-(methoxymethyl)-N-(4-(methoxymethyl)phenyl)-N-phenylaniline was obtained.
  • 31
  • [ 1195-44-4 ]
  • [ 122-39-4 ]
  • [ 937729-45-8 ]
YieldReaction ConditionsOperation in experiment
With sodium t-butanolate In xylene at 130℃; 2 Example 2 To a 500 mL 3-necked round bottom flask equipped with a mechanical stirrer, argon inlet, thermometer and reflux condenser was placed palladium acetate (0.398 g, 1.773 mmol), cytop-216 (0.493 g, 1.773 mmol) and was dissolved in xylene (150 mL) under argon. Then diphenylamine (10 g, 59.1 mmol), the protected 4-bromobenzyl alcohol (14.26 g, 70.9 mmol) and then sodium tert-butoxide (8.52 g, 89 mmol) were added. The reaction was stirred under argon at 130° C. until the reaction was complete. The reaction was then cooled and then washed twice with a 50% aqueous brine solution. The organic layer was collected, dried (MgSO4) and then treated with 30 g each of an acidified clay and alumina at 100° C. for 30 minutes. The solids were filtered and the filtrate was concentrated under reduced pressure to produce an off white solid in good yield. NMR would confirm that the desired triarylamine 4-(methoxymethyl)-N,N-diphenylaniline was obtained.
  • 32
  • [ 31469-15-5 ]
  • [ 1195-44-4 ]
  • [ 14305-27-2 ]
YieldReaction ConditionsOperation in experiment
99 %Spectr. Stage #1: 1-methoxy-2-methyl-1-trimethylsiloxy-1-propene; 4-chlorobenzyl methyl ether With indium(III) bromide; trimethylsilyl bromide In dichloromethane at 20℃; for 2h; Stage #2: With water; sodium hydrogencarbonate Saturated solution;
  • 33
  • [ 1195-44-4 ]
  • [ 3753-18-2 ]
YieldReaction ConditionsOperation in experiment
With zinc In 1-methyl-pyrrolidin-2-one at 20 - 70℃; Inert atmosphere; 15 To a glass reaction container equipped with a cooling apparatus, 15.3 mg of nickel bromide, 19.2 mg of 5-trimethylsilyl-2,2'-bipyridine and 91.6 mg of zinc powder were added in an atmosphere of nitrogen at room temperature. To the obtained mixture, 109. 6 mg of 1-chloro-4-(methoxymethyl) benzene and 5 mL of N-methyl-2-pyrrolidone were added. The obtained mixture was reacted at 70°C for 2 hours to obtain a reaction mixture containing 4,4'-bis(methoxymethyl)biphenyl. The yield of 4,4'-bis(methoxymethyl)biphenyl was 67.8 mg.
With zinc In 1-methyl-pyrrolidin-2-one at 20 - 70℃; Inert atmosphere; 19 To a glass reaction container equipped with a cooling apparatus, 15.3 mg of nickel bromide, 25.2 mg of 5,5'-bis(trimethylsilyl)-2,2'-bipyridine and 91.6 mg of zinc powder were added under an atmosphere of nitrogen at room temperature. To the obtained mixture, 109.6 mg of 1-chloro-4-(methoxymethyl)benzene and 5 mL of N-methyl-2-pyrrolidone were added at room temperature. The obtained mixture was reacted at 70°C for 2 hours to obtain a reaction mixture containing 4,4'-bis(methoxymethyl)biphenyl. The yield of 4,4'-bis(methoxymethyl)biphenyl was 63.0 mg.
  • 34
  • [ 67-56-1 ]
  • [ 622-95-7 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
90% With iron(II) sulfate at 75℃; for 12h;
With N-doped reduced graphene oxide (MR-60) at 80℃; for 12h; Green chemistry;
  • 35
  • [ 16881-77-9 ]
  • [ 104-88-1 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
90% Stage #1: (dimethoxy)methylsilane; 4-chlorobenzaldehyde With dicarbonyl(pentamethylcyclopentadienyl)(4-methoxyphenyl)iron In dichloromethane for 4h; Inert atmosphere; Irradiation; Schlenk technique; Stage #2: With sodium hydroxide In methanol; water Inert atmosphere; Schlenk technique; General procedure for the reaction of aromatic aldehydes and analytical data General procedure: In a Schlenk tube under 1 atm of argon, a solution of the substrate (2 mmol, 1 equiv), the precatalyst (0.04 mmol, 0.02 equiv), and the silane (3 mmol, 1.5 equiv) in methylene chloride (15 mL) was irradiated for 4h. After removal of the solvent, methanol (5 mL) and aqueous NaOH solution (2.5 M, 5 mL) were added and the resulting suspension was stirred overnight. Neutralization with aqueous HCl solution (2 M, 30 mL) and brine (20 mL) followed by standard workup gave the desired products as pure yellow oils.
  • 36
  • [ 1195-44-4 ]
  • [ 16002-63-4 ]
  • [ 7364-23-0 ]
YieldReaction ConditionsOperation in experiment
71% Stage #1: 4-chlorobenzyl methyl ether With 2,3-dicyano-5,6-dichloro-p-benzoquinone; bis-[(trifluoroacetoxy)iodo]benzene In 1,2-dichloro-ethane at 80℃; for 3h; Inert atmosphere; Stage #2: phenylmagnesium iodide In diethyl ether; 1,2-dichloro-ethane at -20℃; for 3h; Inert atmosphere;
54% Stage #1: 4-chlorobenzyl methyl ether With 2-azatricyclo[3.3.1.13,7]decan-2-ol; [bis-(trifluoroacetoxy)iodo]benzene In 1,2-dichloro-ethane at 50℃; for 15h; Inert atmosphere; Stage #2: phenylmagnesium iodide With 2-azatricyclo[3.3.1.13,7]decan-2-ol; [bis-(trifluoroacetoxy)iodo]benzene In diethyl ether; 1,2-dichloro-ethane at -30℃; for 3h; Inert atmosphere;
  • 37
  • [ 1195-44-4 ]
  • [ 106-54-7 ]
  • [ 6310-31-2 ]
YieldReaction ConditionsOperation in experiment
82% With di-tert-butyl peroxide In neat (no solvent) at 120℃; for 24h; Sealed tube;
  • 38
  • [ 616-38-6 ]
  • [ 873-76-7 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
78% With N-butyl-4-methylpyridinium bromide at 170℃; for 2h; Inert atmosphere; Ionic liquid; Green chemistry; chemoselective reaction; 11 4.3. Selective O-methylation of phenols and benzyl alcohol General procedure: A mixture of 1 mmol phenols or benzyl alcohols, 1 mL DMC and 1 mmol of IL was taken in a 10 mL RBF fitted with a reflux condenser and placed in an oil bath. The reaction mixture was heated to 170 °C under nitrogen atmosphere for reaction time indicated in Table 2. On completion of reaction, as monitored by TLC using ethyl acetate and petroleum ether (60-80 °C) as eluent, the crude product was extracted with diethyl ether (5 mL × 3), the ether extract washed with water,dried with anhydrous Na2SO4 and solvent removed by evaporation.The crude product obtained was purified by column chromatography on silica gel column and ethyl acetate-petroleum ether as eluent.
  • 39
  • [ 3395-81-1 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
89% With C18H4BCl3F8; hydrogen In tetrahydrofuran at 55℃; for 12h;
  • 40
  • [ 104-88-1 ]
  • [ 149-73-5 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
86% With C18H4BCl3F8; hydrogen In tetrahydrofuran at 55℃; for 84h;
  • 41
  • [ 1195-44-4 ]
  • [ 111409-79-1 ]
  • C19H29ClOSi [ No CAS ]
YieldReaction ConditionsOperation in experiment
48% With silver (II) carbonate; silver hexafluoroantimonate; dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; lithium acetate In 1,2-dichloro-ethane at 100℃; for 20h;
  • 42
  • [ 1195-44-4 ]
  • [ 1126-46-1 ]
YieldReaction ConditionsOperation in experiment
72% With oxygen In water at 25℃; for 12h; Irradiation; Green chemistry;
60% With copper(II) choride dihydrate; oxygen; hydroquinone at 30℃; for 16h; Sealed tube; Irradiation; Green chemistry;
  • 43
  • [ 1195-44-4 ]
  • [ 292638-85-8 ]
  • (E)-methyl 3-(4-acetylphenyl)acrylate [ No CAS ]
YieldReaction ConditionsOperation in experiment
88% With C50H58Cl2N6Pd; triethylamine; calcium chloride In water; N,N-dimethyl-formamide at 90℃; for 3h; 4.2. Heck-Mizoroki coupling reactions General procedure: A 25 mL RB flask was charged with chloroarene (1.00 mmol),methyl acrylate (0.130 g, 1.50 mmol), triethylamine (0.152 g,1.50 mmol), and DMF (5 mL). A DMF solution of catalysts (0.1,0.01, and 0.001 mol %, Table 1; 0.01 mol %, Table 2) was added tothe aforementioned solution via the syringe. The flask was fittedto a water condenser capped with anhydrous CaCl2 guard tubeand the contents in the flask were simultaneously stirred andheated at 90 C for 3 h. The reaction mixture was cooled and subsequentlypoured into distilled water (300 mL). The product wasextracted with EtOAc (5 50 mL). The organic layer was dried overanhydrous sodium sulfate and concentrated under vacuum to giveoil. The oil was purified by column chromatography on silica gel(n-hexane/EtOAc, 10/0 ?8/2, v/v) to afford coupling products inyields indicated in Tables 1 and 2.
  • 44
  • [ 1195-44-4 ]
  • [ 623-03-0 ]
YieldReaction ConditionsOperation in experiment
47% With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; ammonium acetate; oxygen; nitric acid In acetic acid at 50℃; for 20h; Autoclave; Conversion of Benzyl Ethers into Aryl Nitriles; GeneralProcedure General procedure: The reactions were carried out a ~40 mL, Teflon-lined, stainlesssteelautoclave. AcOH (2 mL), TEMPO (0.25 mmol), HNO3 (0.25mmol), the appropriate benzylic methyl ether (0.5 mmol), andNH4OAc (1.5 mmol) were added sequentially to the autoclave.Subsequently, the autoclave was pressurized to 1 MPa with O2,and the reaction mixture was heated with magnetic stirring at50 °C for 20 h, then cooled to r.t. The mixture was then dilutedwith Et2O (15 mL) and H2O (5 mL), and adjusted to pH 7-8 with2 M aq NaOH. The two layers were separated, and the aqueouslayer was extracted with Et2O (3 × 15 mL). The organic layerswere combined, dried (Na2SO4), filtered, and concentrated to avolume of approximately 3 mL in a rotary evaporator. GC analysisof the concentrated organic phase, with biphenyl or 1,2,4,5-tetramethylbenzene as internal standard, provided the GC yieldof the product. The crude product in the concentrated organicphase from another parallel experiment was purified bycolumn chromatography [silica gel (200-300 mesh), EtOAc-PE].
  • 45
  • [ 1195-44-4 ]
  • [ 74-11-3 ]
YieldReaction ConditionsOperation in experiment
80% With 1,10-ethyliden-3-octyl-7-trifluoromethylalloxazinium chloride; oxygen; trifluoroacetic acid In acetonitrile at 40℃; for 16h; Molecular sieve; Irradiation;
  • 46
  • [ 1195-44-4 ]
  • [ 100-47-0 ]
  • [ 65608-83-5 ]
YieldReaction ConditionsOperation in experiment
87% With iron(III) perchlorate hydrate In neat (no solvent) at 100℃; for 2h; Typical experimental procedure for the reaction of nitriles and methyl ethers General procedure: A mixture of nitriles (5 mmol), methyl ethers (6 mmol) and Fe(ClO4)3·H2O (5%mol) was placed in a round bottom flask. Then the reaction mixture was heated at 100 °C for the given time. After completion of the reaction monitored by thin layer chromatography (TLC), 10 ml water was added into reaction system and extracted with ethyl acetate (3 × 20 ml). The organic layers were collected, combined, washed with water (3 × 20 ml), dried over anhydrous Na2SO4, and concentrated under vacuum. The pure products (1a-1k and 2a-2p) were obtained by directly passing through a silica gel (200-300 mesh) column using petroleum ether/ethyl acetate (10:1-5:1).
  • 47
  • [ 1195-44-4 ]
  • [ 62-53-3 ]
  • [ 6265-91-4 ]
YieldReaction ConditionsOperation in experiment
77% With tert.-butylhydroperoxide; sulfur; potassium iodide In water; dimethyl sulfoxide at 130℃; for 24h; Sealed tube;
  • 48
  • [ 106-39-8 ]
  • [ 107-30-2 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
71% Stage #1: bromochlorobenzene With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Stage #2: chloromethyl methyl ether In tetrahydrofuran at -78 - 0℃; for 2h; General procedure: General procedure: n-BuLi (1.2 mmol) was added to a THF (6 ml) solution ofaryl bromide (1 mmol) at -78C. After stirring for 1 h at same temperature, a THF solution of MOM-Cl or BOM-Cl (1.1 mmolin 4 ml dry THF) was added dropwise to it. Stirring was continuedfor another 1 h at same temperature and slowlywarmed to 0C over another 1 h and quenched with saturatedaqueous ammonium chloride solution. The organic layerwas separated and aqueous layer was extracted with diethylether. The combined organic layer was dried (Na2SO4) andevaporated. Column chromatographic purification gave thedesired product.
  • 49
  • [ 993-07-7 ]
  • [ 201230-82-2 ]
  • C10H11ClO3 [ No CAS ]
  • [ 1195-44-4 ]
  • (2-(4-chlorophenyl)-2-methoxyethoxy)trimethylsilane [ No CAS ]
YieldReaction ConditionsOperation in experiment
1: 80 %Chromat. 2: 11 %Chromat. With dicobalt octacarbonyl In benzene at 5℃; for 24h; General Procedure for the Co2(CO)8-Catalyzed Reactionof Acetals with Hydrosilane and Carbon Monoxide General procedure: In a10-mL reaction flask with an efficient condenser (dry ice/CH3OH) was placed Co2(CO)8 (0.1mmol, 34 mg), after theflask was flashed with CO (1 atm from a stock balloon),HSiMe3 (25mmol, 2.9 mL) was added using a pressure syringeat 25 °C.34 After 5min, benzene (5 mL) and octanal dimethylacetal(8a) (2.5mmol, 435 mg) were added and the mixturewas stirred at 25 °C (bath temperature, under reflux of HSiMe3)for 6 days under CO (1 atm). GC analysis showed that [(2-methoxynonyl)oxy]trimethylsilane (9a) was formed in 86%yield. Kugelrohr distillation (110120°C/10 Torr) gave essentiallypure 9a (410 mg, 67% yield). An analytical sample wasobtained by preparative GC purification (Silicone OV-1)
  • 50
  • [ 67-56-1 ]
  • [ 104-88-1 ]
  • [ 1195-44-4 ]
YieldReaction ConditionsOperation in experiment
81% With dicobalt octacarbonyl; Tributylphosphine oxide; carbon monoxide; hydrogen In toluene at 120℃; for 24h; Sealed tube; Autoclave; Green chemistry; chemoselective reaction;
Same Skeleton Products
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