Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
Cas:551-62-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:551-62-2
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryProduct Description Product website: http://www.finerchem.com Product Name 1,2,3,4-Tetrafluorobenzene CAS No. 551-62-2
Cas:551-62-2
Min.Order:1 Gram
FOB Price: $8.0
Type:Lab/Research institutions
inquiryGood quality Good price Promptly delivery Appearance:white powder Storage:dry dondition Package:According to the demand of customer Application:intermediate Transportation:According to the demand of customer Port:shanghai
Cas:551-62-2
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:551-62-2
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:551-62-2
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryProduct Name: 1,2,3,4-Tetrafluorobenzene Synonyms: 2,3,4,5-Tetrafluorobenzene;benzene,1,2,3,4-tetrafluoro-;o-Tetrafluorobenzene;1,2,3,4-TETRAFLUOROBENZENE;1,2,3,4-Tetrafluorobenzene, 99+%;4-flurobenzoyl chloride;1,2,3,4-Tetrafluorobenz
Cas:551-62-2
Min.Order:1 Gram
FOB Price: $8900.0
Type:Lab/Research institutions
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:551-62-2
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
Type:Trading Company
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:551-62-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct Name 1,2,3,4-Tetrafluorobenzene CAS NO. 551-62-2 Appearance White crystal powder Purity (%)
1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:551-62-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:551-62-2
Min.Order:1 Kilogram
FOB Price: $50.0 / 54.0
Type:Trading Company
inquiry1,2,3,4-Tetrafluorobenzene CAS:551-62-2 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic
Cas:551-62-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Cas:551-62-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Name: 1, 2, 3, 4-tetrafluorobenzene CAS NO.: 551-62-2 Structural formula: Appearance: colorless clear liquid, boiling point: 94~95°C Content:
Cas:551-62-2
Min.Order:50 Gram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:551-62-2
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:551-62-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:551-62-2
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProName: 1,2,3,4-Tetrafluorobenzene Manufacture... CasNo: 551-62-2 Molecular Formula: C6H2F4 Appearance: detailed see specifications Application: It is an important raw material and in... DeliveryTime: prompt PackAge: according to the clients
Cas:551-62-2
Min.Order:1 Gram
FOB Price: $6.0 / 9.0
Type:Trading Company
inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
Cas:551-62-2
Min.Order:0 Metric Ton
Negotiable
Type:Other
inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Cas:551-62-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:551-62-2
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryour strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery
We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:551-62-2
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:551-62-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Cas:551-62-2
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiry1,2,3,4-Tetrafluorobenzene Chemical Properties Melting point -42 °C (lit.) Boiling point 95 °C (lit.) density 1.4 g/mL at 25 °C (lit.) refractive index n20/D 1.408(lit.) Fp 69 °F storage temp. Flammables area
Cas:551-62-2
Min.Order:1 Gram
FOB Price: $66.0
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:551-62-2
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:551-62-2
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With ammonia; copper In water at 240℃; for 1.25h; Temperature; Reagent/catalyst; | 94.4% |
Multi-step reaction with 3 steps 1: acetonitrile / 2 h / 20 °C / Darkness 2: acetonitrile / Darkness 3: water / d7-N,N-dimethylformamide / 1 h / 100 °C / Inert atmosphere; Glovebox; Sealed tube; Darkness View Scheme |
Conditions | Yield |
---|---|
With ammonium hydroxide at 250℃; for 0.416667h; Temperature; Time; Autoclave; Green chemistry; | 90.1% |
Pentafluorobenzene
A
1,2,4,5-Tetrafluorobenzene
B
1,2,3,4-tetrafluorobenzene
C
1,2,3,5-tetrafluorobenzene
Conditions | Yield |
---|---|
With H2SiEt2; tetrabutylammonium triphenyldifluorosilicate In tetrahydrofuran; benzene-d6 at 60℃; for 40h; Inert atmosphere; Sealed tube; | A 90% B n/a C n/a |
With radical anion of p,p'-di-tert-butylbiphenyl In tetrahydrofuran at 45℃; Irradiation; | A 71.6% B 16.4% C 30.6% |
With radical anion of p,p'-di-tert-butylbiphenyl In tetrahydrofuran at -40℃; Product distribution; Rate constant; Mechanism; Irradiation; radical anion of naphthalene, different temperatures; | A 69% B 21% C 10% |
3,4,5,6-tetrafluorophthalic acid
A
1,2,3,4-tetrafluorobenzene
B
2,3,4,5-tetrafluorobenzoic acid
Conditions | Yield |
---|---|
With ammonium hydroxide at 190℃; for 2h; Temperature; Time; Autoclave; Green chemistry; | A 10.5% B 86.1% |
With ammonium hydroxide at 240℃; for 0.666667h; Temperature; Time; Autoclave; Green chemistry; | A 82% B 8.1% |
Conditions | Yield |
---|---|
With C32H46N2Ru; sodium carbonate; isopropyl alcohol at 70℃; for 2h; Inert atmosphere; Schlenk technique; Glovebox; | A 11% B 80% |
Stage #1: Hexafluorobenzene With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; [(HC[(CMe)N(2,4,6-Me3C6H2)]2)Al(H)2] In benzene-d6; benzene at 100℃; for 8h; Inert atmosphere; Glovebox; Sealed tube; Stage #2: With methanol In benzene-d6; benzene at 100℃; for 2h; Catalytic behavior; Inert atmosphere; Glovebox; Sealed tube; regioselective reaction; | A 20.5% B 16% |
Hexafluorobenzene
A
1,2,4,5-Tetrafluorobenzene
B
1,2,3,4-tetrafluorobenzene
C
Pentafluorobenzene
D
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
With (1,3-dimethylimidazolin-2-ylidene)*AlH3 In 5,5-dimethyl-1,3-cyclohexadiene at 135℃; for 25h; | A 74% B 3% C 18% D 4% |
1,2,3,4,7,7-hexafluorobicyclo<2,2,1>hepta-2,5-diene
A
Octafluorocyclobutane
B
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
at 450℃; for 0.5h; | A 56% B 73% |
Hexafluorobenzene
A
1,3,5-trifluorobenzene
B
1,2,4,5-Tetrafluorobenzene
C
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
With (1,3-diisopropylimidazolin-2-ylidene)*AlH3 In 5,5-dimethyl-1,3-cyclohexadiene at 135℃; for 60h; | A 21% B 71% C 8% |
Hexafluorobenzene
A
1,2,4,5-Tetrafluorobenzene
B
1,2,3,4-tetrafluorobenzene
C
1,2,3,5-tetrafluorobenzene
D
Pentafluorobenzene
Conditions | Yield |
---|---|
With H2SiEt2; tetrabutylammonium triphenyldifluorosilicate In tetrahydrofuran; benzene-d6 at 60℃; for 40h; Inert atmosphere; Sealed tube; | A 70% B 2% C 2% D 19% |
Pentafluorobenzene
A
1,2,3-trifluorobenzene
B
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
Stage #1: Pentafluorobenzene With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; [(HC[(CMe)N(2,4,6-Me3C6H2)]2)Al(H)2] In benzene-d6; benzene at 100℃; for 3h; Inert atmosphere; Glovebox; Sealed tube; Stage #2: With methanol In benzene-d6; benzene at 100℃; for 2h; Catalytic behavior; Inert atmosphere; Glovebox; Sealed tube; regioselective reaction; | A 19.5% B 57% |
1,2,3,4,5,6-hexafluoro-7,8-diazatricyclo<4.3.0.02,5>nona-3,7-diene
A
polytetrafluoroethylene
B
1,2,4,5-Tetrafluorobenzene
C
1,2,3,4-tetrafluorobenzene
D
1,2,3,5-tetrafluorobenzene
Conditions | Yield |
---|---|
1.) 60 deg C, vacuo; 2.) 0.15 mmHg, 450 deg C; | A 52% B 52% C 7% D 34% |
Pentafluorobenzene
A
1,2,4,5-Tetrafluorobenzene
B
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
With (1,3-diisopropylimidazolin-2-ylidene)*AlH3 In toluene at 105℃; for 84h; Solvent; Reagent/catalyst; | A 43% B 10% |
With [Cp2*ZrH2]2 In Cyclohexane-d12 at 85℃; for 6h; Product distribution; Kinetics; |
Hexafluorobenzene
A
1,3,5-trifluorobenzene
B
1,2,4,5-Tetrafluorobenzene
C
1,2,3,4-tetrafluorobenzene
D
Pentafluorobenzene
Conditions | Yield |
---|---|
With (1,3-diisopropylimidazolin-2-ylidene)*AlH3 In 5,5-dimethyl-1,3-cyclohexadiene at 135℃; for 12h; Solvent; Temperature; Reagent/catalyst; | A 5% B 13% C 3% D 37% |
Conditions | Yield |
---|---|
With hydrogen at 280℃; Leiten ueber Palladium/Kohle; |
ethyl-cyclohexane
1,2,3,4-tetrafluorobenzene cation
A
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
at 61.9℃; Equilibrium constant; Irradiation; |
1,2-dibromo-3,4,5,6-tetrafluorobenzene
A
1-bromo-2,3,4,5-tetrafluorobenzene
B
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
With water; hexaethylphosphoric triamide In N,N-dimethyl-formamide at 20℃; for 84h; protodebromination; | A 50 % Spectr. B 50 % Spectr. |
Hexafluorobenzene
A
1,2,3-trifluorobenzene
B
ortho-difluorobenzene
C
1,2,3,4-tetrafluorobenzene
D
Pentafluorobenzene
Conditions | Yield |
---|---|
at 300℃; |
Hexafluorobenzene
A
1,2,3-trifluorobenzene
B
ortho-difluorobenzene
C
1,2,3,4-tetrafluorobenzene
D
Pentafluorobenzene
Conditions | Yield |
---|---|
at 300℃; |
Conditions | Yield |
---|---|
at 280℃; Hydrogenation; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: steam / 330 °C / Leiten ueber Aluminiumoxid 2: hydrogen / 280 °C / Leiten ueber Palladium/Kohle View Scheme |
pentafluorophenyl hydrazine
A
1,2,4,5-Tetrafluorobenzene
B
1,2,3,4-tetrafluorobenzene
C
Pentafluorobenzene
Conditions | Yield |
---|---|
hydrolysis; | |
hydrolysis; |
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
With hydrogenchloride diluted HCl; | |
With HCl diluted HCl; |
water
2,3,4,5-tetrafluorophenyl(dihydroxy)borane
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
In methanol; water 33% H2O in MeOH, 20 °C, several h; monitored by (19)F NMR; | |
With potassium hydroxide In methanol; water 2 M KOH in MeOH was added to MeOH:H2O mixt., several h; monitored by (19)F NMR; |
A
1,2,3-trifluorobenzene
B
ortho-difluorobenzene
C
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
With [2,2]bipyridinyl; nickel(II) chloride hexahydrate; lithium chloride; zinc In 1-methyl-pyrrolidin-2-one; water at 80℃; for 8h; |
A
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
With [2,2]bipyridinyl; nickel(II) chloride hexahydrate; lithium chloride; zinc In 1-methyl-pyrrolidin-2-one; water at 80℃; for 8h; |
Hexafluorobenzene
A
1,2,3-trifluorobenzene
B
para-difluorobenzene
C
1,2,4,5-Tetrafluorobenzene
D
1,2,3,4-tetrafluorobenzene
E
Pentafluorobenzene
F
1,2,4-trifluorobenzene
Conditions | Yield |
---|---|
With NiCl2*3Bpy; 1-n-butyl-3-methylimidazolim bromide; zinc In water at 70℃; for 7h; |
Hexafluorobenzene
A
1,2,4,5-Tetrafluorobenzene
B
1,2,3,4-tetrafluorobenzene
C
Pentafluorobenzene
Conditions | Yield |
---|---|
With NiCl2*2Phen; 1-n-butyl-3-methylimidazolim bromide; zinc In water at 70℃; for 7h; | |
With titanocene difluoride; diphenylsilane In diethylene glycol dimethyl ether at 100℃; for 72h; Catalytic behavior; regioselective reaction; | A 39 %Spectr. B 17 %Spectr. C 37 %Spectr. |
1-chloro-2,3,4,5,6-pentafluorobenzene
A
1,2,4,5-Tetrafluorobenzene
B
1,2,3,4-tetrafluorobenzene
C
Pentafluorobenzene
Conditions | Yield |
---|---|
With NiCl2*2Phen; 1-n-butyl-3-methylimidazolim bromide; zinc In water at 70℃; for 7h; |
Conditions | Yield |
---|---|
Stage #1: 1,2,3,4-tetrafluorobenzene With sec.-butyllithium; copper(l) cyanide In hexane; cyclohexane at -78℃; for 3h; Schlenk technique; Inert atmosphere; Stage #2: carbon disulfide In hexane; cyclohexane at -50 - 20℃; for 1h; Schlenk technique; Inert atmosphere; Stage #3: benzyl bromide In hexane; cyclohexane at 20℃; for 4h; Schlenk technique; Inert atmosphere; | 97% |
1,2,3,4-tetrafluorobenzene
tetrafluorobenzenesulfonyl chloride
Conditions | Yield |
---|---|
With chlorosulfonic acid at 150℃; for 3h; | 95% |
With n-butyllithium; sulfuryl dichloride In tetrahydrofuran; hexane at -80 - 0℃; for 12h; Inert atmosphere; Schlenk technique; | 29% |
NH-pyrazole
1,2,3,4-tetrafluorobenzene
1,2,3,4-tetrakis(pyrazol-1-yl)benzene
Conditions | Yield |
---|---|
Stage #1: NH-pyrazole With sodium hydride In N,N-dimethyl-formamide; mineral oil for 0.5h; Stage #2: 1,2,3,4-tetrafluorobenzene In N,N-dimethyl-formamide; mineral oil at 50℃; for 10h; | 94% |
Conditions | Yield |
---|---|
With [(bis(diisopropylphosphino)ethane)Ni(H)]2; triethylphosphine In 1,4-dioxane at 120℃; for 72h; | 94% |
With C32H46N2Ru; sodium carbonate; isopropyl alcohol at 70℃; for 6h; Inert atmosphere; Schlenk technique; Glovebox; | 63% |
With (1,3-dimethylimidazolin-2-ylidene)*AlH3 In 5,5-dimethyl-1,3-cyclohexadiene at 135℃; for 25h; | 19% |
Conditions | Yield |
---|---|
With bis(1,5-cyclooctadiene)nickel (0); 18-crown-6 ether; 2-[bis((3,5-dimethyl-4-methoxyphenyl)phosphino)phenyl]ether; isopropylmagnesium chloride In tetrahydrofuran; 1,4-dioxane; 1,2-dimethoxyethane at 40℃; for 2h; | 93% |
Conditions | Yield |
---|---|
With potassium hexamethylsilazane In N,N-dimethyl-formamide; toluene at 0 - 20℃; for 16h; Inert atmosphere; Schlenk technique; regioselective reaction; | 92% |
Conditions | Yield |
---|---|
With formic acid; sulfuric acid; periodic acid at 70℃; for 4h; Schlenk technique; | 91% |
With iodine; fluorine In 1,1,2-Trichloro-1,2,2-trifluoroethane; sulfuric acid Ambient temperature; | 76% |
With sulfuric acid; iodine; fluorine In 1,1,2-Trichloro-1,2,2-trifluoroethane Ambient temperature; | 76% |
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
With dimethylsulfoxide-d6; caesium carbonate at 90℃; for 4h; Inert atmosphere; Schlenk technique; | 90% |
With C(2)H3CN(2)H(1+) In gas at 57.9℃; Rate constant; experiment conditions: NBS pulsed ion cyclotron resonance; |
Conditions | Yield |
---|---|
With potassium hexamethylsilazane In tetrahydrofuran; toluene at 0 - 20℃; for 16h; Inert atmosphere; Schlenk technique; regioselective reaction; | 90% |
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
Stage #1: isopropyl (4-methoxybenzyl) carbonate With potassium tert-butylate In toluene at 20℃; for 0.166667h; Sealed tube; Stage #2: 1,2,3,4-tetrafluorobenzene In toluene at 20℃; for 0.5h; Sealed tube; | 85% |
1,2,3,4-tetrafluorobenzene
(1,3-dimethylimidazol-2-ylidene)borane
Conditions | Yield |
---|---|
With [4,4’-bis(1,1-dimethylethyl)-2,2’-bipyridine-N1,N1‘]bis [3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-N]phenyl-C]iridium(III) hexafluorophosphate; sodium acetate; ethyl 2-sulfanylacetate In tetrahydrofuran at 20℃; for 12h; Schlenk technique; Inert atmosphere; Sealed tube; Irradiation; regioselective reaction; | 85% |
(kappa.3-N,N',N''-hydrotris(3,5-dimethylpyrazolyl)borate)Rh(PMe3)(H)2
1,2,3,4-tetrafluorobenzene
[Rh(tris(3,5-dimethylpyrazolyl)borate)H(2,3,4,5-C6F4H)(PMe3)]
Conditions | Yield |
---|---|
In neat (no solvent) Irradiation (UV/VIS); (N2, Schlenk) NMR tube containing complex was charged with fluorobenzenein the glove box, irradiated for 2 h (water-filtered 200-W Hg-Xe lamp, 270-370 nm band pass filter); flash chromy. (silica gel, 5:1 hexane-THF as eluent), the solvent was removed, washed with ice-cold hexane; elem. anal.; | 83% |
Conditions | Yield |
---|---|
With lithium tert-butoxide In N,N-dimethyl-formamide at 20℃; for 0.5h; Inert atmosphere; regioselective reaction; | 83% |
1,2,3,4-tetrafluorobenzene
3,4,5,6-tetrafluoro-1,2-benzenedithiol
Conditions | Yield |
---|---|
Stage #1: 1,2,3,4-tetrafluorobenzene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1.25h; Stage #2: With sulfur In tetrahydrofuran; hexane at -78℃; for 2h; | 82% |
Multi-step reaction with 2 steps 1: 48 percent / 1.) butyl lithium; 2.) sulfur / hexane; tetrahydrofuran / -60 °C / 1.) 1 h 2: 40 percent / 1.) butyl lithium (2 equiv.); 2.) sulfur / hexane; tetrahydrofuran / -60 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran / 1.25 h / -78 °C / Inert atmosphere 1.2: 1 h / -78 °C 2.1: n-butyllithium / tetrahydrofuran / 1.25 h / -78 °C / Inert atmosphere 2.2: 1 h / -78 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / -78 °C / Inert atmosphere; Schlenk technique 1.2: 1 h / -78 °C / Inert atmosphere; Schlenk technique 2.1: n-butyllithium / tetrahydrofuran / 1 h / -78 °C / Inert atmosphere; Schlenk technique 2.2: 1 h / -78 °C / Inert atmosphere; Schlenk technique View Scheme |
1,2,3,4-tetrafluorobenzene
(iPr3P)2Ni(η2-C14H10)
Conditions | Yield |
---|---|
In toluene at 20℃; for 36h; Inert atmosphere; | A 81% B n/a |
Conditions | Yield |
---|---|
aluminum (III) chloride at 20℃; for 1h; | 80.3% |
1,2,3,4-tetrafluorobenzene
A
[(tris(3,5-dimethylpyrazolyl)borate)RhH(κ2-C6H4-2-PMe2)]
B
[Rh(tris(3,5-dimethylpyrazolyl)borate)H(2,3,4,5-C6F4H)(PMe2Ph)]
Conditions | Yield |
---|---|
In neat (no solvent) Irradiation (UV/VIS); (N2, Schlenk) a soln. of complex in fluorobenzene in NMR tube was irradiated for 5 h, heated at 120°C for 1 h; flash chromy. (silica gel, 5:1 hexane-THF), washed with a min amount of ice-cold hexane; elem. anal.; | A n/a B 79% |
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
With trimethoxybenzene In benzene-d6 at 60℃; for 6h; | 79% |
Conditions | Yield |
---|---|
With lithium chloride In tetrahydrofuran at 20℃; for 1h; regioselective reaction; | 77% |
NH-pyrazole
1,2,3,4-tetrafluorobenzene
1,4-difluoro-2,3-bis(pyrazol-1-yl)benzene
Conditions | Yield |
---|---|
Stage #1: NH-pyrazole With sodium hydride In N,N-dimethyl-formamide; mineral oil for 0.5h; Stage #2: 1,2,3,4-tetrafluorobenzene In N,N-dimethyl-formamide; mineral oil at 20℃; for 10h; | 76% |
para-bromotoluene
1,2,3,4-tetrafluorobenzene
B
2,3,4,5-tetrafluoro-4’-methyl-1,1’-biphenyl
Conditions | Yield |
---|---|
With palladium diacetate; caesium carbonate; tricyclohexylphosphine In toluene at 120℃; for 12h; Sealed tube; | A 13% B 75% |
With di-tert-butyl(methyl)phosphonium tetrafluoroborate salt; potassium carbonate; palladium diacetate In N,N-dimethyl acetamide at 120℃; | A 10% B 68% |
With C27H32N6Pd(2+)*2CF3O3S(1-); potassium carbonate In N,N-dimethyl acetamide at 120℃; for 24h; Schlenk technique; Inert atmosphere; | A 4 mg B 8 mg |
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 120℃; for 18h; | 75% |
1,2,3,4-tetrafluorobenzene
di(p-tolyl) disulfide
A
2,3,6-trifluoro-1-(p-tolylthio)benzene
B
3,6-difluoro-1,2-bis(p-tolylthio)benzene
Conditions | Yield |
---|---|
With hydridotetakis(triphenylphosphine)rhodium(I); o-phenylenebis(diphenylphosphine); triphenylphosphine In chlorobenzene for 6h; Reflux; | A 24% B 74% |
6-bromo-2-methoxypyridine
1,2,3,4-tetrafluorobenzene
Conditions | Yield |
---|---|
With PdCl(1,4-bis(diphenylphosphino)butane)(C3H5); potassium pivalate In N,N-dimethyl acetamide at 150℃; for 16h; Inert atmosphere; Green chemistry; regioselective reaction; | 74% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View