As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:345-92-6
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inquiryMolecular Formula:C13H8F2O Molecular Weight:218.20 Density:1.239g/cm3 Melting Point: 106.0-108.0°C Boiling Point:137 oC (3 torr) Flas… Polymer Grade Appearance:pale white crystal powder Storage:Normal Package:packed in high pressure pa
Cas:345-92-6
Min.Order:1 Kilogram
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inquiryProduct Description Product Name 4,4'-Difluorobenzophenone CAS No. 345-92-6 Appearance White powder Assay ≥99% Capacity 500mt/year Min.packing 100gram
Cas:345-92-6
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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
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inquiry4,4'-Difluorobenzophenone CAS No.:345-92-6 Name: 4,4'-Difluorobenzophenone Synonyms: Bis(4-fluorophenyl)-methanone Molecular Structure Molecular Formula: C13H8
Cas:345-92-6
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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
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
Cas:345-92-6
Min.Order:1 Kilogram
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inquiry1. made in GMP plant, commerially 2. Normal Stock: 500kgs 3. Audit accepted. Related documents are available to offer and audited by many clients, such as Lupin, MSN, Dr reddy etc 4. Chromatographic Purity (HPLC): not less than 99.0% Appearan
Cas:345-92-6
Min.Order:1 Gram
FOB Price: $1.0
Type:Manufacturers
inquiryChemwill Asia co.,Ltd is one of the leading manufacturer in CHINA. Product quality, process, price and service 4,4'-Difluorobenzophenone CAS 345-92-6 IN Stock Bis(4-fluorophenyl)-methanone 345-92-6 345-92-6 CAS 345-92-6 highly quali
Cas:345-92-6
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Type:Manufacturers
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:345-92-6
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Type:Trading Company
inquiryBis(4-fluorophenyl)-methanone Basic information Product Name: Bis(4-fluorophenyl)-methanone Synonyms: 4,4’-difluoro-benzophenon;Benzophenone, 4,4'-difluor
Cas:345-92-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:345-92-6
Min.Order:1 Kilogram
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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:345-92-6
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:345-92-6
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inquiryName: 4,4'-Difluorobenzophenone Synonyms: 4,4-Difluoro Benzophenone CAS: 345-92-6 MF: C13H8F2O Appearance: White powder Storage:Store in cool and dry place, away from sun light. Package:25KG/Drum Application:Imaging agent and charge control a
Appearance:White crystalline powder Storage:R.T Package:25kg/drum Application:Chemicals Transportation:Express/Sea/Air Port:Any port in China
Cas:345-92-6
Min.Order:25 Kilogram
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Type:Lab/Research institutions
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White crystalline granules or powder. Storage:Store in seale
Cas:345-92-6
Min.Order:100 Gram
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Type:Other
inquiry1.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:345-92-6
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquirySynonyms: 4,4’-difluoro-benzophenon;Benzophenone, 4,4'-difluoro-;bis(4-fluorophenyl)-methanon;Bis(p-fluorophenyl) ketone;bis(p-fluorophenyl)ketone;Di-p-fluorophenyl ketone;di-p-fluorophenylketone;Methanone, bis(4-fluorophenyl)- CAS: 345-
Cas:345-92-6
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 presen
Cas:345-92-6
Min.Order:5 Gram
FOB Price: $10.0 / 40.0
Type:Trading Company
inquiryBeluga chemical professional supply High quality 4,4′-difluorobenzophenone CAS 345-92-6 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2.
Cas:345-92-6
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:345-92-6
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryMinimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,
Cas:345-92-6
Min.Order:10 Gram
Negotiable
Type:Trading Company
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
Hebei Mojin Biotechnology Co., Ltd,Our business covers more than 30 countries, most of the big customers come from Europe, America and other countries in the world, we can guarantee the quality and price. In recent decades, with the efforts of all em
Cas:345-92-6
Min.Order:1 Gram
FOB Price: $95.0 / 100.0
Type:Trading Company
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:345-92-6
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryOur Advantage 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good qual
Cas:345-92-6
Min.Order:1 Kilogram
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Type:Trading Company
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
Bis(4-fluorophenyl)-methanone CAS 345-92-6 Our advantage 1.Top quality: Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw material purchase
Cas:345-92-6
Min.Order:1 Kilogram
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Type:Trading Company
inquiryAppearance:white or yellowish white flaky crystal Storage:Keep the sun from direct sunlight ;prevention against high temperature Package:As customer request Application:Used for research and industrial manufacture. Transportatio
Cas:345-92-6
Min.Order:100 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With pyridine; tert.-butylhydroperoxide In decane; acetonitrile at 80℃; for 24h; | 99% |
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; C12H8Cl3FeN2O4Zr4; oxygen; sodium nitrite In acetonitrile at 60℃; under 760.051 Torr; for 24h; | 99% |
With oxygen; sodium t-butanolate In dimethyl sulfoxide at 50℃; for 5h; Sealed tube; | 97% |
4,4'-(azidomethylene)bis(fluorobenzene)
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; vanadia In water at 100℃; for 6h; | 99% |
chloroformic acid ethyl ester
4-fluorophenylzinc bromide
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
at 20℃; for 3h; | 99% |
Conditions | Yield |
---|---|
With potassium carbonate; chlorobenzene; CyJohnPhos; bis(dibenzylideneacetone)-palladium(0) In toluene at 105℃; for 12h; | 98% |
With potassium carbonate; chlorobenzene In toluene at 105℃; for 12h; | 98% |
With potassium tetrakis-μ-pyrophosphitodiplatinate(II); tetrabutyl-ammonium chloride In dichloromethane; water at 20℃; for 8h; Inert atmosphere; Irradiation; | 98% |
Conditions | Yield |
---|---|
With C28H40Br4N4Pd2; potassium carbonate In ethanol; water at 50℃; for 2h; Suzuki Coupling; | 96% |
With [Pd(3-[(2,6-diisopropylphenyl)-1-imidazolio]-2-quinoxalinide)(PPh3)Cl2]; potassium carbonate In water at 100℃; for 3h; Suzuki-Miyaura Coupling; | 88% |
Conditions | Yield |
---|---|
With sodium nitrite In water; acetonitrile at 40℃; for 2.66667h; | 95% |
With ferrous(II) sulfate heptahydrate; benzyl seleninic acid In ethyl acetate at 60℃; for 24h; Green chemistry; | 93% |
With dibenzyl diselenide; dihydrogen peroxide In acetonitrile at 60℃; for 24h; | 72% |
4-fluorobenzenediazonium tetrafluoroborate
4-fluorobenzaldehyde
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With di-tert-butyl peroxide In 1,2-dichloro-ethane at 80℃; for 1h; | 93% |
4-fluoro-1-iodobenzene
molybdenum hexacarbonyl
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With 4,4'-di-tert-butyl-2,2'-bipyridine; nickel dibromide; zinc In 1,4-dioxane at 120℃; for 6h; Inert atmosphere; Sealed tube; | 93% |
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With 2,4,6-triphenylpyrylium tetrafluoroborate at 35℃; for 7h; Irradiation; | 92% |
Conditions | Yield |
---|---|
With water for 5h; | 91% |
With ethanol |
4-fluoro-1-iodobenzene
carbon monoxide
4-fluoroboronic acid
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With potassium phosphate; palladium diacetate at 20℃; for 3h; | 90% |
With iron(III) chloride; potassium acetate; sodium hydrogencarbonate; iron(II) chloride at 100℃; under 760.051 Torr; for 6h; Suzuki Coupling; Schlenk technique; | 85% |
With palladium diacetate; sodium carbonate In water at 100℃; under 760.051 Torr; for 8h; Suzuki Coupling; Sealed tube; Autoclave; Green chemistry; | 84% |
With potassium phosphate; nickel dichloride; Trimethylacetic acid at 80℃; under 760.051 Torr; for 24h; | 75% |
carbon monoxide
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With iodine; palladium diacetate; sodium carbonate at 80℃; under 760.051 Torr; for 12h; | 88% |
oxalyl dichloride
tris(4-fluorophenyl)bismuthane
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane at 80℃; for 4h; Inert atmosphere; | 86% |
benzoyl chloride
tributyl(naphthalene-2-yl)stannane
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With palladium diacetate In chloroform at 60℃; for 2h; Stille Cross Coupling; Inert atmosphere; | 85% |
tert-butylisonitrile
4-fluoroboronic acid
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With water; copper hydroxide; ammonium chloride; palladium dichloride In toluene at 100℃; for 16h; Schlenk technique; | 85% |
Conditions | Yield |
---|---|
With sodium tetrafluoroborate; [Cu(salicylate)2(NCMe)]2; tetrabutyl-ammonium chloride; oxygen In tetrahydrofuran at 60℃; for 12h; | 85% |
With di-tert-butyl peroxide; iron(II) chloride In decane; acetonitrile at 20℃; for 8h; Inert atmosphere; Schlenk technique; | 82% |
1-(4-fluorobenzoyl)pyrrolidine-2,5-dione
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With palladium diacetate; potassium carbonate In water at 20℃; for 6h; Suzuki-Miyaura Coupling; Green chemistry; | 84% |
A
1-tert-butyl-4-iodobenzene
B
4,4'-difluorobenzophenone imine
D
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With Chloroiodomethane; [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 In ethyl acetate for 12h; Quantum yield; Reagent/catalyst; Schlenk technique; Inert atmosphere; Irradiation; | A 83% B 51 %Chromat. C 11% D 17 %Chromat. |
Conditions | Yield |
---|---|
With bis(η3-allyl-μ-chloropalladium(II)); iodine; silver trifluoromethanesulfonate at 150℃; under 3040.2 Torr; for 22h; | 82% |
Conditions | Yield |
---|---|
With potassium fluoride In water; isopropyl alcohol; benzene | 80% |
Conditions | Yield |
---|---|
With oxygen; palladium diacetate; potassium hydrogencarbonate; sodium iodide at 80℃; under 760.051 Torr; for 23h; | 80% |
With tetrakis(triphenylphosphine) palladium(0); 1,3-bis-(diphenylphosphino)propane; silver nitrate In acetone at 40℃; under 760.051 Torr; for 24h; Autoclave; Inert atmosphere; | 72% |
With bis-triphenylphosphine-palladium(II) chloride; oxygen; copper(l) chloride In N,N-dimethyl-formamide at 80℃; for 24h; Schlenk technique; | 65% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 60℃; for 4h; | 79% |
Conditions | Yield |
---|---|
With potassium fluoride | 78% |
Conditions | Yield |
---|---|
Stage #1: 4-fluoro-1-iodobenzene With TurboGrignard In tetrahydrofuran at -40 - -10℃; for 0.25h; Inert atmosphere; Stage #2: With zinc(II) chloride In tetrahydrofuran for 0.5h; Inert atmosphere; Stage #3: 4-fluorobenzaldehyde With pivalaldehyde In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; Cooling with ice; | 78% |
carbon monoxide
4-fluoroboronic acid
1-Bromo-4-fluorobenzene
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 120℃; under 760.051 Torr; for 4h; Suzuki Coupling; Sealed tube; | 77% |
1-Bromo-4-fluorobenzene
N,N-Dimethylcarbamoyl chloride
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
Stage #1: 1-Bromo-4-fluorobenzene With n-butyllithium In diethyl ether; hexane at -50 - -30℃; for 3h; Metallation; Stage #2: N,N-Dimethylcarbamoyl chloride In diethyl ether; hexane at -50 - 0℃; for 3h; Acylation; | 75% |
B
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With sodium formate; palladium In ethanol | A n/a B 73% |
1,1-bis-(4-fluorophenyl)ethene
1-(phenylsulfinyl)propan-2-one
A
2,2-bis(4-fluorophenyl)-2-hydroxyethyl acetate
B
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With oxygen; manganese triacetate In acetic acid at 32℃; for 12h; | A 1% B 11% C 72% |
1,1-bis-(4-fluorophenyl)ethene
manganese(III) acetylacetonate
A
5,5-Bis(4-fluorphenyl)-4,5-dihydro-2(3H)-furanon
B
4-acetyl-6,6-bis(4-fluorophenyl)-3-methyl-1,2-dioxan-3-ol
C
2,2-bis(4-fluorophenyl)-2-hydroxyethyl acetate
D
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With air; acetic acid at 23℃; for 12h; Further byproducts given; | A 2% B 72% C 4% D 2% |
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
With titanium tetrachloride; triethylamine In 1,2-dimethoxyethane at -78 - 20℃; | 100% |
(methoxymethyl)triphenylphosphonium chloride
4,4'-Difluorobenzophenone
1,1-bis(4-fluorophenyl)-2-methoxyethene
Conditions | Yield |
---|---|
With sodium hexamethyldisilazane In tetrahydrofuran; 1,4-dioxane for 2h; Wittig olefination; Heating; | 100% |
Stage #1: (methoxymethyl)triphenylphosphonium chloride With n-butyllithium In 1,4-dioxane; hexane at 0℃; Wittig reaction; Stage #2: 4,4'-Difluorobenzophenone In 1,4-dioxane; hexane at 0℃; Wittig reaction; Reflux; | 82% |
4,4'-Difluorobenzophenone
4,4'-difluorobenzophenone imine
Conditions | Yield |
---|---|
With ammonia; titanium tetrachloride In toluene at -30℃; | 100% |
With 1,1,1,3,3,3-hexamethyl-disilazane; scandium tris(trifluoromethanesulfonate) In chlorobenzene at 90℃; for 2h; Inert atmosphere; | 99% |
With ammonia; titanium tetrachloride In toluene Inert atmosphere; | 82% |
titanium tetrachloride In toluene |
Conditions | Yield |
---|---|
In ISOPROPYLAMIDE; toluene | 100% |
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride In ethanol Heating; | 99% |
With hydroxylamine; sodium hydroxide In methanol at 40℃; for 0.166667h; | 91.9% |
With hydroxylamine hydrochloride; sodium hydroxide In ethanol; water Reflux; | 88.5% |
Conditions | Yield |
---|---|
With CdS(x)Se(1-x) x:0-1;; para-thiocresol In hexane for 22h; Inert atmosphere; Irradiation; | 99% |
With indium(III) chloride; ammonium chloride; aluminium In ethanol; water at 80℃; for 5h; | 98% |
With methanol; gallium nitride at 20℃; for 12h; Irradiation; Sealed tube; | 96% |
Conditions | Yield |
---|---|
With caesium carbonate In 1-methyl-pyrrolidin-2-one at 160℃; for 4h; Reagent/catalyst; Solvent; Temperature; Schlenk technique; Inert atmosphere; | 99% |
With caesium carbonate In dimethyl sulfoxide at 70℃; for 15h; Inert atmosphere; | 75% |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In dichloromethane at 20℃; Inert atmosphere; | 99% |
With boron trifluoride diethyl etherate; sodium sulfate In chloroform at 0 - 20℃; Inert atmosphere; |
4,4'-Difluorobenzophenone
methyl (triphenylphosphoranylidene)acetate
Conditions | Yield |
---|---|
In toluene for 36h; Wittig Olefination; Reflux; | 99% |
Conditions | Yield |
---|---|
With N,N-dimethyl acetamide; potassium carbonate In chlorobenzene at 185℃; for 10h; | 98.5% |
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol at 0℃; for 1h; Inert atmosphere; | 98% |
With methanol; sodium tetrahydroborate at 0 - 20℃; | 96% |
With sodium tetrahydroborate In methanol at 20℃; | 96% |
Conditions | Yield |
---|---|
With potassium carbonate In dimethyl sulfoxide; toluene at 140 - 145℃; for 6h; | 98% |
Conditions | Yield |
---|---|
With potassium carbonate In 1-methyl-pyrrolidin-2-one; toluene at 150 - 155℃; for 6h; | 98% |
Conditions | Yield |
---|---|
With potassium carbonate In sulfolane; xylene at 170 - 175℃; for 6h; | 98% |
4,4'-Difluorobenzophenone
trimethylsilylacetylene
1,1-bis(4-fluorophenyl)prop-2-yn-1-ol
Conditions | Yield |
---|---|
Stage #1: trimethylsilylacetylene With n-butyllithium In tetrahydrofuran at -10℃; for 1h; Stage #2: 4,4'-Difluorobenzophenone In tetrahydrofuran at -10℃; for 5h; Stage #3: With methanol; potassium hydroxide In tetrahydrofuran at 0 - 20℃; for 12h; | 98% |
Stage #1: trimethylsilylacetylene With n-butyllithium In tetrahydrofuran; hexane at -10℃; for 1h; Inert atmosphere; Stage #2: 4,4'-Difluorobenzophenone In tetrahydrofuran; hexane at -10℃; for 3h; Stage #3: With water; sodium hydroxide In methanol at 0 - 20℃; | 96% |
Stage #1: 4,4'-Difluorobenzophenone; trimethylsilylacetylene With n-butyllithium In tetrahydrofuran Stage #2: With potassium hydroxide In methanol |
C40H26N4O4
4,4'-Difluorobenzophenone
polymer, number of sulfonic acid groups per repeating unit 1.67; monomer(s): 4,4'-[biphenyl-4,4'-diylbis(oxybenzene-4,1-diyl)]diphthalazin-1(2H)-one; sodium 4,4'-difluorobenzophenone-3,3'-disulfonate; 4,4'-difluorobenzophenone
Conditions | Yield |
---|---|
With potassium carbonate In dimethyl sulfoxide at 140 - 175℃; for 22h; | 98% |
C40H26N4O4
4,4'-Difluorobenzophenone
polymer, number of sulfonic acid groups per repeating unit 1.24; monomer(s): 4,4'-[biphenyl-4,4'-diylbis(oxybenzene-4,1-diyl)]diphthalazin-1(2H)-one; sodium 4,4'-difluorobenzophenone-3,3'-disulfonate; 4,4'-difluorobenzophenone
Conditions | Yield |
---|---|
With potassium carbonate In dimethyl sulfoxide at 140 - 175℃; for 22h; | 98% |
Conditions | Yield |
---|---|
Stage #1: 4,4'-Difluorobenzophenone; phenylhydrazine With N,N,N,N,N,N-hexamethylphosphoric triamide In dichloromethane at 25℃; for 0.166667h; Inert atmosphere; Stage #2: With trichlorosilane In dichloromethane at 25℃; for 12h; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
With potassium hexamethylsilazane In toluene at 20℃; for 0.25h; Inert atmosphere; | 98% |
4,4'-Difluorobenzophenone
Conditions | Yield |
---|---|
In toluene at 20℃; for 0.2h; Paterno-Buechi Cycloaddition; Inert atmosphere; Irradiation; diastereoselective reaction; | 98% |
Conditions | Yield |
---|---|
With potassium carbonate In sulfolane; toluene at 150 - 155℃; for 6h; | 97% |
Conditions | Yield |
---|---|
With potassium carbonate In sulfolane; toluene at 150 - 155℃; for 6h; | 97% |
Conditions | Yield |
---|---|
With potassium carbonate In sulfolane; xylene at 170 - 175℃; for 6h; | 97% |
C40H26N4O4
4,4'-Difluorobenzophenone
polymer, number of sulfonic acid groups per repeating unit 1.02; monomer(s): 4,4'-[biphenyl-4,4'-diylbis(oxybenzene-4,1-diyl)]diphthalazin-1(2H)-one; sodium 4,4'-difluorobenzophenone-3,3'-disulfonate; 4,4'-difluorobenzophenone
Conditions | Yield |
---|---|
With potassium carbonate In dimethyl sulfoxide at 140 - 175℃; for 22h; | 97% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide; toluene at 135 - 145℃; for 12h; Inert atmosphere; | 97% |
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