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Cas:132510-07-7
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Type:Trading Company
inquiryWe are leading fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Orga
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inquiryAs 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 according to the contract research and development services for the fine chemicals, ph
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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:132510-07-7
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Negotiable
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inquiryProduct Name: Diphenylmethylidene(cyclopentadienyl)(9-fluorenyl)zirconium dichloride Synonyms: DIPHENYLMETHYLIDENE(CYCLOPENTADIENYL)(9-FLUORENYL)ZIRCONIUM DICHLORIDE;DIPHENYLMETHYLIDENE(CYCLOPENTADIENYL)(9-FLUORENYL)ZIRCONIUM(IV) DICHLORIDE;Dip
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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
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inquiryOur advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We have s
Cas:132510-07-7
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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:132510-07-7
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryShandong Mopai Biotechnology 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 chemicals. W
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inquiry1.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:132510-07-7
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inquiryHigh 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
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inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:132510-07-7
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inquiryAnsciep 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
Cas:132510-07-7
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inquirycyclopenta-1,3-diene,dibenzylidenezirconium,9H-fluoren-9-ide,dichloride Application:cyclopenta-1,3-diene,dibenzylidenezirconium,9H-fluoren-9-ide,dichloride
Cas:132510-07-7
Min.Order:0
Negotiable
Type:Other
inquirySupply top quality products with a reasonable price Application:api
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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inquiry1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
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inquiryWe product this chemical more than 744 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Organic catalyst
Cas:132510-07-7
Min.Order:0
Negotiable
Type:Trading Company
inquirycyclopenta-1,3-diene,dibenzylidenezirconium,9H-fluoren-9-ide,dichlorideAppearance:ask Storage:keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates Transportation:By express (Door to door) such as FEDEX, D
Cas:132510-07-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:132510-07-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryBest Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
Cas:132510-07-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Henan Wising Chem specializes in sourcing chemicals in China. We are associated with many trusted manufacturers each having different areas of expertise required for meeting the needs of our local as well as overseas buyers. We have access to custom
Cas:132510-07-7
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryUnited Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
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Type:Lab/Research institutions
inquiry1,Best Quality: Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so
Cas:132510-07-7
Min.Order:10 Gram
FOB Price: $1.0 / 2.0
Type:Trading Company
inquirycyclopenta-1,3-diene,dibenzylidenezirconium,9H-fluoren-9-ide,dichlorideAppearance:ask Storage:keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates Transportation:by air or by sea
Cas:132510-07-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryWe are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for
Cas:132510-07-7
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Negotiable
Type:Lab/Research institutions
inquirycyclopenta-1,3-diene,dibenzylidenezirconium,9H-fluoren-9-ide,dichloride Application:intermediates
Cyclopenta-1,3-diene;dibenzylidenezirconium;9h-fluoren-9-ide;dichloride Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By Sea,by Air,By c
Cas:132510-07-7
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Negotiable
Type:Trading Company
inquiryzirconium(IV) chloride
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
Conditions | Yield |
---|---|
In petroleum ether ZrCl4 was added to Li-compound, petroleum ether was condensed at -78°C, cold bath are removed, 24 h (Ar or N2); extd. in a cellulose extn. thimble with CH2Cl2 overnight, reduced in vol., ppt. was dried in vac.; elem. anal.; | 22.1% |
zirconium(IV) chloride
9-(Cyclopenta-2,4-dienyl-diphenyl-methyl)-9H-fluorene
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
Conditions | Yield |
---|---|
With n-butyllithium In diethyl ether; hexane 2 M C4H9Li in hexane added dropwise at -78°C to soln. of (C13H9)C(C6H5)2(C5H5) (2.2 mmol) in ether, stirred overnight, ZrCl4 (2.2 mmol) added, stirred for 8 h at room temp.; evapd. to dryness, recrystd. (toluene); |
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
methylmagnesium bromide
[((phenyl)2C(C5H4)(fluorenyl(1-)))Zr(methyl)2]
Conditions | Yield |
---|---|
In not given | 96% |
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
[(diphenylmethylene(η5-cyclopentadienyl)(η5-9-fluorenyl))Zr(OC(OiPr)CMe2)2]
Conditions | Yield |
---|---|
In not given | 92% |
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
2-methylpropylmagnesium chloride
(C6H5)2C(C5H4)(C13H8)ZrCl(C4H9)
Conditions | Yield |
---|---|
In tetrahydrofuran byproducts: MgCl2; under Ar; mixt. of solns. reacted at 0°C; warmed to room temp.; stirred for 6 h; solvent removed under vac.; washed 3 times (diethyl ether); volatiles removed under vac.; dissolved in n-hexane; filtered off; solvent removed in dried under vac.; detd. by NMR; | 10.8% |
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
Ph2C(cyclopentadienyl)(fluorenyl)ZrClMe
Conditions | Yield |
---|---|
With polymethylalumoxane In toluene Zr complex and polymethylalumoxane in toluene (molar ratio Al/Zr varied from 10 to 3000); not isolated; monitored by UV-spectroscopy; |
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
triisobutylaluminum
(C6H5)2C(C5H4)(C13H8)ZrCl(C4H9)
Conditions | Yield |
---|---|
In benzene-d6 byproducts: Al(C4H9)2Cl; under Ar; mixt. of solns. reacted at 20°C at various Al/Zr ratios(10 - 50); or at 80°C at Al/Zr = 10; not isolated; detd. by NMR; |
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
triisobutylaluminum
Conditions | Yield |
---|---|
In benzene-d6 byproducts: PhNMe2, iso-butane, iso-butene; under Ar; mixt. of Zr-complex and Al(iso-Bu)3 solns. stirred for 30 min,heated to 60°C; soln. of (PhNMe2h)(B(C6F5)4) added; after 10 min cooled to room temp.; pptd.; ppt. washed 3 times (C6D6); |
isopropylidene-2-(2-methylindenyl)-2-(3-tert-butylcyclopentadienyl)zirconium dichloride
methylmagnesium chloride
[((phenyl)2C(C5H4)(fluorenyl(1-)))Zr(methyl)2]
Conditions | Yield |
---|---|
In tetrahydrofuran; diethyl ether in glovebox zirconocene added to flask and dissolved in diethyl ether, added by syringe soln. (THF) of CH3MgCl, attached swivel frit app., stirred at room temp. for 3 d, filtered, filtrate concd., cooled to 0°C, filtered off, dried (vac.); |
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