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:593-80-6
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inquirydimethyl telluride CAS:593-80-6 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 interme
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Cas:593-80-6
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Cas:593-80-6
Min.Order:10 Gram
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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
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Compound sourcing ServicesAgency of testing serviceFactory audit serviceFounded in Dec. 1999, Nanjing Chemlin Chemical Industrial Co.,Ltd(CHEMLIN) has been covering the business scope from trading of chemicals to custom-synthesis & Manufacturing. Co
Methyl telluride (6CI,7CI,8CI)Appearance:Off white to slight yellow solid 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
Supply top quality products with a reasonable price Application:api
Conditions | Yield |
---|---|
With potassium hydroxide; tellurium; tin(ll) chloride In dimethyl sulfoxide at 70℃; for 2h; | 97% |
With potassium hydroxide; tellurium; hydrazine hydrate at 60 - 70℃; | 85% |
Conditions | Yield |
---|---|
With tellurium; sodium tetrahydroborate; tert-butyl alcohol In N,N-dimethyl-formamide at 80 - 90℃; for 0.25h; also other alkyl carboxylates and tellurium reagents; | A n/a B 95% |
trimethyltelluronium iodide
dimethyltellurium
Conditions | Yield |
---|---|
With triphenylphosphine at 160℃; for 0.0833333h; | 90% |
at 100℃; | |
at 100℃; |
bis(trifluoromethyl)tellurium
dimethyl zinc(II)
A
dimethyltellurium
B
Trifluoro-methyltellanyl-methane
Conditions | Yield |
---|---|
With diethylene glycol dimethyl ether In acetonitrile for 24h; | A n/a B 78% C n/a |
Conditions | Yield |
---|---|
With potassium disulfide; potassium ditelluride; hydrazine hydrate at 20 - 25℃; | A 42% B 74% |
acetylene
methyl iodide
A
dimethyltellurium
B
divinyltellane
C
methyl vinyl telluride
Conditions | Yield |
---|---|
With potassium hydroxide; tellurium; tin(ll) chloride In N,N,N,N,N,N-hexamethylphosphoric triamide; water at 105 - 115℃; under 6080 - 11400 Torr; for 5h; Product distribution; var. allyl halide, var.: without HMPA; | A 8% B 55% C 20% |
With potassium hydroxide; tellurium; tin(ll) chloride In N,N,N,N,N,N-hexamethylphosphoric triamide; water at 105 - 115℃; under 6080 - 11400 Torr; for 5h; | A 8% B 55% C 20% |
With potassium hydroxide; tellurium; tin(ll) chloride In N,N,N,N,N,N-hexamethylphosphoric triamide; water at 105 - 115℃; under 10640 Torr; for 5h; | A 8% B 55% C 20% |
acetylene
A
dimethyltellurium
B
divinyltellane
C
methyl vinyl telluride
Conditions | Yield |
---|---|
With potassium hydroxide; tellurium; tin(ll) chloride; methyl iodide In N,N,N,N,N,N-hexamethylphosphoric triamide; water at 105 - 115℃; under 10640 Torr; for 5h; | A 8% B 55% C 20% |
With potassium hydroxide; tellurium; tin(ll) chloride; methyl iodide In N,N,N,N,N,N-hexamethylphosphoric triamide; water at 105 - 115℃; under 6080 - 11400 Torr; for 5h; var. allyl halide, without HMPA; | A 8% B n/a C 20% |
methyl iodide
A
dimethyltellurium
B
divinyltellane
C
methyl vinyl telluride
Conditions | Yield |
---|---|
With potassium hydroxide; tellurium; tin(ll) chloride; acetylene In N,N,N,N,N,N-hexamethylphosphoric triamide; water at 105 - 115℃; under 6080 - 11400 Torr; for 5h; | A 8% B 55% C 20% |
With potassium hydroxide; tellurium; tin(ll) chloride; acetylene In N,N,N,N,N,N-hexamethylphosphoric triamide; water at 105 - 115℃; under 10640 Torr; for 5h; | A 8% B 55% C 20% |
Conditions | Yield |
---|---|
With potassium hydroxide; tellurium; hydrazine hydrate at 40 - 50℃; | A 48% B 37% |
With sodium hydroxide; tellurium; cetyltrimethylammonim bromide; sodium glycolate Yield given. Multistep reaction; |
dimethyl ditelluride
dichloromethane
A
dimethyltellurium
B
bis(methyltellanyl)methane
Conditions | Yield |
---|---|
Stage #1: dimethyl ditelluride With potassium hydroxide; hydrazine hydrate at 80 - 85℃; for 2h; Stage #2: dichloromethane at 40 - 42℃; for 1h; | A 5% B 43% |
dimethyl ditelluride
1,1-dichloroethane
A
dimethyltellurium
B
1,1-bis(methyltellanyl)ethane
C
methyl ethyl ditelluride
Conditions | Yield |
---|---|
Stage #1: dimethyl ditelluride With hydrazine hydrate; potassium hydroxide at 80 - 85℃; for 2.5h; Stage #2: 1,1-dichloroethane at 30 - 35℃; for 3h; | A 8% B 27% C 36% |
Conditions | Yield |
---|---|
In water with H2 satd. soln.; vac. distn. of the dark brown mass at 20 Hgmm in oil bath; | A n/a B 9.6% |
In water with H2 satd. soln.; vac. distn. of the dark brown mass at 20 Hgmm in oil bath; | A n/a B 9.6% |
Conditions | Yield |
---|---|
With aluminum telluride at 320 - 335℃; |
Conditions | Yield |
---|---|
With hydrogen telluride |
dimethyl tellurium diiodide
dimethyltellurium
Conditions | Yield |
---|---|
With water; sodium carbonate; sodium sulfite at 75℃; |
Conditions | Yield |
---|---|
With sodium tellurite; sodium formate |
Conditions | Yield |
---|---|
With sodium tellurite; sodium formate |
Conditions | Yield |
---|---|
With potassium tellurite; choline chloride | |
With potassium tellurite; betaine |
bis(trifluoromethyl)tellurium
dimethyl zinc(II)
A
dimethyltellurium
B
Trifluoro-methyltellanyl-methane
C
methyl(pentafluorophenyl)tellurium
Conditions | Yield |
---|---|
With diethylene glycol dimethyl ether In trichlorofluoromethane at 0℃; for 24h; Mechanism; Product distribution; var. ratio of perfluoroorgano-tellur/dialkylmetal compound, solvent, temp., time; |
bis(trifluoromethyl)tellurium
dimethylcadmium
A
dimethyltellurium
B
Trifluoro-methyltellanyl-methane
Conditions | Yield |
---|---|
In trichlorofluoromethane at 0℃; |
Conditions | Yield |
---|---|
With diethylene glycol dimethyl ether In trichlorofluoromethane for 24h; Yield given; |
Conditions | Yield |
---|---|
With diethylene glycol dimethyl ether In trichlorofluoromethane for 24h; Yield given; |
Trifluoro-methyltellanyl-methane
A
dimethyltellurium
Conditions | Yield |
---|---|
With diethylene glycol dimethyl ether In trichlorofluoromethane at 0℃; for 24h; Yield given; |
Trifluoro-methyltellanyl-methane
A
dimethyltellurium
Conditions | Yield |
---|---|
With diethylene glycol dimethyl ether In trichlorofluoromethane at 0℃; for 24h; Yield given; |
Conditions | Yield |
---|---|
In tetrahydrofuran Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
In tetrahydrofuran Ambient temperature; moderate cis-selectivity; |
dimethyl ditelluride
phenylacetylene
methyl iodide
A
dimethyltellurium
B
1-methyltelluro-2-phenylethyne
Conditions | Yield |
---|---|
With potassium hydroxide; dibenzo-18-crown-6 In benzene for 2h; Mechanism; Ambient temperature; other substrates; |
methyl(pentafluorophenyl)tellurium
A
dimethyltellurium
Conditions | Yield |
---|---|
With diethylene glycol dimethyl ether In trichlorofluoromethane at 0℃; for 24h; Yield given; |
methyl(pentafluorophenyl)tellurium
A
dimethyltellurium
Conditions | Yield |
---|---|
With diethylene glycol dimethyl ether In trichlorofluoromethane at 0℃; for 24h; Yield given; |
dimethyltellurium
[(η(5)-C5H5)2Rh2(CO)(μ-η(1):η(1)-CF3C2CF3)(TeMe2)]
Conditions | Yield |
---|---|
In dichloromethane stirring (30 min); evapn., chromy. (CH2Cl2 / hexane = 1 : 1), extg. (CH2Cl2), evapn.; elem.anal.; | 100% |
1-(iodomethyl)silatrane
dimethyltellurium
dimethyl(silatran-1-yl-methyl)telluronium iodide
Conditions | Yield |
---|---|
In acetonitrile for 1h; Ambient temperature; | 95% |
dimethyltellurium
Conditions | Yield |
---|---|
In dichloromethane to soln. of Fe complex in CH2Cl2 added ligand under Ar, stirred at roomtemp. for several h; filtered, concd. in vac., filtered in petroleum/Et2O, ppt. washed with Et2O and petroleum, dried in high vac., recrystd. (CH2Cl2/Et2O); elem. anal.; | 95% |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: EtCN; N2 atmosphere; refluxing (1 h); evapn. (vac.), dissoln. in CH2Cl2/ether (1:2), filtration, crystn. (-78°C, 1-4 d); | 95% |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: acetonitrile; N2 atmosphere; refluxing (1 h); evapn. (vac.), dissoln. in CH2Cl2/ether (1:2), filtration, crystn. (-78°C, 1-4 d); elem. anal.; | 95% |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: n-PrCN; N2 atmosphere; refluxing (1 h); evapn. (vac.), dissoln. in CH2Cl2/ether (1:2), filtration, crystn. (-78°C, 1-4 d); | 95% |
dimethyltellurium
(C5H5)Ni(Te(CH3)2)2(1+)*BF4(1-)=((C5H5)Ni(Te(CH3)2)2)BF4
Conditions | Yield |
---|---|
In diethyl ether byproducts: cyclopentadiene; Ni-complex and Me2Te were stirred in ether under inert atmosphere for 2h at room temp.; ppt. was filtered, washed with ether, dried under high vac.; elem. anal.; | 95% |
cyclopentadienyl iron(II) dicarbonyl dimer
dimethyltellurium
[C5H5Fe(CO)2(Te(CH3)2)](1+)*PF6(1-)=[C5H5Fe(CO)2(Te(CH3)2)]PF6
Conditions | Yield |
---|---|
In dichloromethane byproducts: (C5H5)2Fe; addn. of ferricinium compd. to Fe complex soln. in the presence of TeMe2 under Ar; filtration; evapn. to 1/3 the volume; addn. of ether/pentane3/1); pptn.; thoroughly washing (ether, pentane); drying (high vac.); | 94% |
Conditions | Yield |
---|---|
In methanol at 20℃; for 2h; | 92% |
cyclopentadienyl iron(II) dicarbonyl dimer
ferrocenium(III) tetrafluoroborate
dimethyltellurium
Conditions | Yield |
---|---|
In dichloromethane byproducts: (C5H5)2Fe; addn. of ferricinium compd. to Fe complex soln. in the presence of TeMe2 under Ar; filtration; evapn. to 1/3 the volume; addn. of ether/pentane3/1); pptn.; thoroughly washing (ether, pentane); drying (high vac.); | 92% |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: EtCN; N2 atmosphere; refluxing (1 h); evapn. (vac.), dissoln. in CH2Cl2/ether (1:2), filtration, crystn. (-78°C, 1-4 d); | 92% |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: n-PrCN; N2 atmosphere; refluxing (1 h); evapn. (vac.), dissoln. in CH2Cl2/ether (1:2), filtration, crystn. (-78°C, 1-4 d); | 92% |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: acetonitrile; N2 atmosphere; refluxing (1 h); evapn. (vac.), dissoln. in CH2Cl2/ether (1:2), filtration, crystn. (-78°C, 1-4 d); elem. anal.; | 92% |
dicobalt octacarbonyl
ferrocenium(III) tetrafluoroborate
dimethyltellurium
[Co(CO)3(Te(CH3)2)2](1+)*BF4(1-)=[Co(CO)3(Te(CH3)2)2]BF4
Conditions | Yield |
---|---|
In dichloromethane byproducts: (C5H5)2Fe; addn. of ferricinium compd. to Co complex soln. in the presence of TeMe2 under Ar; filtration; evapn. to 1/3 the volume; addn. of ether/pentane(3/1); pptn.; thoroughly washing (ether, pentane); drying (high vac.); elem. anal.; | 91% |
dimethyltellurium
Conditions | Yield |
---|---|
In acetone byproducts: S(CH3)2; under Ar, soln. of (CpCo(SMe2)2I)BF4 (1 mmol) in acetone stirred with TeMe2 (2.2 mmol) for 5 min; solid pptd. by addn. of ether, filtered, recrystd. from CH2Cl2/ether, dried in vac.; elem. anal.; | 90% |
Conditions | Yield |
---|---|
In hexane under N2 or Ar; the Te compd was added to a soln. of the Mn complex in hexane, heated at 50°C for 1 h; removal of solvent under reduced pressure, recrystd. from pentane; | 89% |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: acetonitrile; N2 atmosphere; refluxing (1 h); evapn. (vac.), dissoln. in CH2Cl2/ether (1:2), filtration, crystn. (-78°C, 1-4 d); elem. anal.; | 87% |
Conditions | Yield |
---|---|
In dichloromethane byproducts: ferrocene; (Ar); stirring the mixt. 10 min at room temp.; filtration; washing (diethyl ether); vacuum drying; recrystn. (CH2Cl2/(C2H5)2O); elem. anal.; | 86% |
dimethyltellurium
Conditions | Yield |
---|---|
In diethyl ether byproducts: S(CH3)2; stirring soln. of educts, room temp., overnight; pptn.; under Ar; washing (ether); drying in vac.; recrystn. (CH2Cl2/ether); elem. anal.; | 86% |
dimethyltellurium
Conditions | Yield |
---|---|
In acetone byproducts: S(CH3)2; under Ar, suspn. of (CpCo(SMe2)3)(BF4)2 (2 mmol) in acetone treated with TeMe2 (6.5 mmol), react. time 10-30 min; filtered, residue washed with CH2Cl2 and ether, dried in vac., recrystd. from MeNO2/CH2Cl2 (as required); elem. anal.; | 86% |
Conditions | Yield |
---|---|
With hydrogenchloride In water at 80℃; for 2h; | 86% |
Conditions | Yield |
---|---|
In tetrahydrofuran under N2 or Ar; the Te compd. was added to a soln. of the Mn complex inTHF, stirred for 2 h at room temp.; solvent was removed under reduced pressure, chromy. on alumina (n-pentane), removal of solvent; elem. anal.; | 85% |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: CO; (N2); stirring (room temp., ca. 3 d); removal of volatiles (reduced pressure); elem. anal.; | 81% |
Conditions | Yield |
---|---|
In dichloromethane (N2); addn. of dimethyltelluride to CH2Cl2 soln. of gallium compd.; evapn., elem. anal.; | 80% |
Conditions | Yield |
---|---|
In toluene for 1h; | 78% |
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