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:2523-44-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryHigh quality 2-Chlorofluorene CAS 2523-44-6 with factory price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additi
Cas:2523-44-6
Min.Order:10 Kilogram
FOB Price: $10.0
Type:Trading Company
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:2523-44-6
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/903.html Product Name 2-Chlorofluorene CAS No. 2523-44-6
Cas:2523-44-6
Min.Order:1 Gram
FOB Price: $42.0
Type:Lab/Research institutions
inquiry2-Chlorofluorene with good quality and competitive price from Henan Tianfu Chemical: Henan Tianfu Chemical Co.,LTD was built in 2009 with an ISO certificate in the past 5 years, we have grown up as a famous fine chemicals supplier in china and we
Cas:2523-44-6
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 manufactu
Cas:2523-44-6
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Cas:2523-44-6
Min.Order:1 Gram
Negotiable
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:2523-44-6
Min.Order:1 Kilogram
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
A 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:2523-44-6
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
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
J&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
Superior quality moderate price & quick delivery Appearance:powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used to make other chemic
GMP 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,
1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:2523-44-6
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:2523-44-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
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
1. Product advantages? High purity, all above 98.5%, no impurities after dissolution? We will test each batch to ensure quality? OEM and private brand services designed for free? Various cap colors available? We can also provide MT1 peptide powder2.
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
Supply top quality products with a reasonable price Application:api
2-Chlorofluorene cas 2523-44-6Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low priceAppearance:white crystal Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
2-chloro-9H-fluorene
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; caesium carbonate; Trimethylacetic acid In tetrahydrofuran at 25℃; for 18h; Glovebox; Schlenk technique; Inert atmosphere; | 99% |
2-chloro-9H-fluorene
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene; (R)-10-camphorsulfonic acid; tetrahydrothiophene gold(III) bromide In methanol; chloroform at 27℃; for 3h; Schlenk technique; Inert atmosphere; | 90% |
2-bromo-4,4’-dichloro-1,1’-biphenyl
diazomethyl-trimethyl-silane
2-chloro-9H-fluorene
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium acetate; potassium carbonate In 1,4-dioxane at 100℃; for 24h; Inert atmosphere; | 90% |
Conditions | Yield |
---|---|
With potassium acetate; palladium diacetate; potassium hydrogencarbonate; isopropyl alcohol In N,N-dimethyl acetamide; water; N,N-dimethyl-formamide at 75℃; for 10h; Schlenk technique; Inert atmosphere; | 84% |
2-chloro-9H-fluorene
Conditions | Yield |
---|---|
With trifluoroacetic acid In toluene at 100℃; for 1h; | 75% |
Conditions | Yield |
---|---|
With potassium acetate; palladium diacetate; potassium hydrogencarbonate; isopropyl alcohol In N,N-dimethyl acetamide; water; N,N-dimethyl-formamide at 75℃; for 10h; Schlenk technique; Inert atmosphere; | 64% |
sulfuryl dichloride
9H-fluorene
diethyl ether
2-chloro-9H-fluorene
Conditions | Yield |
---|---|
at 0 - 5℃; |
9H-fluorene
chlorine
A
2-chloro-9H-fluorene
B
2,7-dichloro-9H-fluorene
9H-fluorene
chloroform
chlorine
A
2-chloro-9H-fluorene
B
2,7-dichloro-9H-fluorene
Conditions | Yield |
---|---|
at 0 - 5℃; |
9H-fluorene
antimonypentachloride
chlorine
A
2-chloro-9H-fluorene
B
2,7-dichloro-9H-fluorene
Conditions | Yield |
---|---|
verschiedene Loesungsmittel, bei verschiedenen Temperaturen; |
9H-fluorene
iodine
chlorine
A
2-chloro-9H-fluorene
B
2,7-dichloro-9H-fluorene
Conditions | Yield |
---|---|
verschiedene Loesungsmittel, bei verschiedenen Temperaturen; |
9H-fluorene
chloroform
chlorine
A
2-chloro-9H-fluorene
B
2,7-dichloro-9H-fluorene
C
2,4,7-trichlorofluorene
Conditions | Yield |
---|---|
at 0 - 5℃; |
2-chloro-9H-fluorene
Conditions | Yield |
---|---|
With hydrogenchloride; copper(l) chloride |
2-phenylbenzyl chloride
1-chloro-4-[2-(chloromethyl)phenyl]benzene
A
9H-fluorene
B
2-chloro-9H-fluorene
Conditions | Yield |
---|---|
With palladium diacetate; caesium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl In 1,2-dimethoxyethane at 100℃; for 3h; Inert atmosphere; |
2-bromo-4,4’-dichloro-1,1’-biphenyl
2-chloro-9H-fluorene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere 1.2: 12 h / 23 °C / Inert atmosphere 2.1: Echavarren's catalyst / 1,2-dichloro-ethane / 3 h / 120 °C / Sealed tube; Inert atmosphere View Scheme |
4-chloro-1-iodo-2-methylbenzene
2-chloro-9H-fluorene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrakis(triphenylphosphine) palladium(0); caesium carbonate / 1,4-dioxane; water / 12 h / 100 °C / Schlenk technique; Inert atmosphere 2: trifluoroacetic acid / toluene / 1 h / 100 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrakis(triphenylphosphine) palladium(0); sodium carbonate / toluene; water / 5 h / 110 °C / Inert atmosphere 2: bis(tri-t-butylphosphine)palladium(0); sodium hydroxide / water; 1,4-dioxane / 56 h / 25 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Stage #1: 2-chloro-9H-fluorene With n-butyllithium In tetrahydrofuran at -90 - -78℃; for 0.5h; Inert atmosphere; Stage #2: benzophenone In tetrahydrofuran at -90 - 20℃; for 3.5h; Inert atmosphere; | 80% |
Conditions | Yield |
---|---|
With (R)-1-[(SP)-2-(diphenylphosphino)ferrocenyl]ethyldicyclohexylphosphine; lithium chloride; bis(dibenzylideneacetone)-palladium(0); sodium t-butanolate In o-xylene at 135℃; for 11h; Reagent/catalyst; Temperature; Inert atmosphere; | 71% |
2-chloro-9H-fluorene
tropylium tetrafluoroborate
2-chloro-9-(2,4,6-cycloheptatrienyl)fluorene
Conditions | Yield |
---|---|
Stage #1: 2-chloro-9H-fluorene With n-butyllithium In diethyl ether; hexane Stage #2: tropylium tetrafluoroborate In hexane; benzene Heating; | 64% |
2-chloro-9H-fluorene
3,5-dimethylphenyl boronic acid
Conditions | Yield |
---|---|
With C32H39Br2N3O10Pd; potassium carbonate In ethanol; water at 90℃; for 0.5h; Suzuki Coupling; Inert atmosphere; | 33% |
Conditions | Yield |
---|---|
With sodium dichromate; acetic acid | |
With chromic acid; acetic acid | |
With potassium hydroxide |
Conditions | Yield |
---|---|
With nitric acid; acetic acid at 70 - 80℃; | |
With nitric acid |
2-chloro-9H-fluorene
2-bromo-7-chloro-9H-fluorene
Conditions | Yield |
---|---|
With chloroform; bromine; iron |
2-chloro-9H-fluorene
Conditions | Yield |
---|---|
With sulfuric acid; iodine; nitric acid; acetic acid zuletzt Behandeln bei Siedetemperatur; |
2-chloro-9H-fluorene
chloroacetic acid
(7-chloro-fluoren-2-yl)-acetic acid
Conditions | Yield |
---|---|
With iron(III) oxide; potassium bromide |
Conditions | Yield |
---|---|
(i) nBuLi, (ii) /BRN= 1636531/; Multistep reaction; |
ethanol
2-chloro-9H-fluorene
Bis-(4-chlor-2,2'-biphenylylen)-1,3-butadien
Conditions | Yield |
---|---|
With potassium hydroxide |
tetrabenzo[5.5]fulvalene
2-chloro-9H-fluorene
2-Chlor-9,9':9',9''-terfluorenyl
Conditions | Yield |
---|---|
With pyridine; potassium hydroxide |
2-chloro-9H-fluoren-9-one
2-chloro-9H-fluorene
2,2'-Dichlor-9-hydroxy-9,9'-bifluorenyl
Conditions | Yield |
---|---|
(i) nBuLi, (ii) /BRN= 1951643/; Multistep reaction; |
9-Brom-9,9'-bifluorenyl
2-chloro-9H-fluorene
2-Chlor-9,9':9',9''-terfluorenyl
Conditions | Yield |
---|---|
(i) nBuBr, Li, (ii) /BRN= 2006319/; Multistep reaction; |
Conditions | Yield |
---|---|
With potassium hydroxide |
2-chloro-9H-fluorene
2-Chlor-9,9'-bifluorenyliden
2,2''-Dichlor-9,9':9',9''-terfluorenyl
Conditions | Yield |
---|---|
With pyridine; potassium hydroxide |
2-chloro-9H-fluorene
2-Chlor-9-brom-9,9'-bifluorenyl
2,2'-Dichlor-9,9':9',9''-terfluorenyl
Conditions | Yield |
---|---|
(i) nBuBr, Li, (ii) /BRN= 2482126/; Multistep reaction; |
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