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inquiryTrimethylamine N-oxide dihydrate Basic information Product Name: Trimethylamine N-oxide dihydrate Synonyms: methanamineoxide,n,n-dimethyl,dihydrate;n,n-dimethylmethanamineoxide,dihydrate
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inquiryCAS Number 62637-93-8 Product Name Trimethylamine-n-oxide Dihydrate Synonyms Methanamine, N,n-dimethyl-, N-oxide, Dihydrate; N,n
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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 developmen
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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
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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
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inquiryTrimethylamine N-oxide dihydrate Chemical Properties Melting point 95-99 °C(lit.) Fp 95 °C form Fine Crystalline Powder color White to off-white Water Solubility Soluble in water, ethanol, dimethyl sulfoxide and methanol.
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inquiryTrimethylamine-N-oxide dihydrateAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
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Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
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inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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Hebei Quanhe Chemical Co., Ltd. is an enterprise specializing in the research and development, production and trade of pharmaceutical intermediates, apis and chemical raw materials and formula technology. Our company has extensive experience in the s
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inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
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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
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inquiryConditions | Yield |
---|---|
In tetrahydrofuran; toluene stirring Mn2(CO)10 with Me3NO*2H2O in THF (18 h), solvent removal; recrystn. (hot toluene); | 100% |
In toluene byproducts: trimethylammonium carbonate; treatment of Mn2(CO)10 with 6 equivs. of Me3NO, boiling of product in MePh; hot filtration, crystn. (5°C); second crop from mother liquor; elem. anal.; | 98% |
trimethylamine-N-oxide dihydrate
Conditions | Yield |
---|---|
In acetonitrile byproducts: CO2, NMe3; addn. of solid ONMe3*H2O to the soln. of the Fe-compd., gasdevelopment; volatile parts are removed, resolving with CH2Cl2, drying over MgSO4, filtn., drying in vacuum, elem. anal.; | 99% |
trimethylamine-N-oxide dihydrate
1,2-μ-hydrido-1,2-μ-(N,N-dimethylcarbamoyl)-1-trimethylamino-1,1,2,2,2,3,3,3,3-nonacarbonyl-triangulo-triosmium
Conditions | Yield |
---|---|
In methanol; diethyl ether under Ar; addn. of methanolic soln. of Me3NO*2H2O to stirred soln. of complex in Et2O over 20 min, keeping react. mixt. for 2 h; diln. with hexane, column chromy. (silica gel, CH2Cl2), evapn., crystn.from CHCl3-hexane at 2°C; | 96% |
In methanol; diethyl ether under dry Ar atm.; soln. of HOs3(OCNMe2)(CO)10 in Et2O was treated with;soln. of Me3NO*2H2O in MeOH; mixt. stirred at ambient temp.; monitored by TLC chromy. (hexane-CH2Cl2 2:1); soln. diluted with hexane;filtered through two short silica columns; solvent removed (vac.); | 96% |
trimethylamine-N-oxide dihydrate
trimethylamine-N-oxide
Conditions | Yield |
---|---|
With N,N-dimethyl-formamide distillation; | 94% |
trimethylamine-N-oxide dihydrate
triethyl phosphite
Conditions | Yield |
---|---|
In acetonitrile Addn. of phosphorus ligand and iron complex to suspn. of Me3NO*2H2O (MeCN) under inert atmosphere, stirring of mixt. (37-40°C, 4-18 h) until disappearance of starting material.; Extn. of mixt. with hexane/Et2O, removal of solvent under reduced pressure, chromy. of residue on silica gel with hexane/Et2O as eluent. Pure compound obtained after elimination of solvent.; | 93% |
tricarbonyl(η(4)-buta-1,3-diene)iron
trimethylamine-N-oxide dihydrate
triethylphosphine
(η4-buta-1,3-diene)dicarbonyl(triethylphosphine)iron
Conditions | Yield |
---|---|
In acetonitrile Addn. of phosphorus ligand and iron complex to suspn. of Me3NO*2H2O (MeCN) under inert atmosphere, stirring of mixt. (37-40°C, 4-18 h) until disappearance of starting material.; Extn. of mixt. with hexane/Et2O, removal of solvent under reduced pressure, chromy. of residue on silica gel with hexane/Et2O as eluent. Pure compound obtained after elimination of solvent.; | 93% |
1,10-Phenanthroline
trimethylamine-N-oxide dihydrate
molybdenum hexacarbonyl
(1,10-phenanthroline)molybdenum tetracarbonyl
Conditions | Yield |
---|---|
In benzene N2-atmosphere; stoichiometric amts., room temp.; | 93% |
trimethylamine-N-oxide dihydrate
Conditions | Yield |
---|---|
In tetrahydrofuran Ar, stirred for 1 h at ambient temp.; solvent removed (vac.), chromy. (silia gel, hexane/ethyl acetate); elem.anal.; | 93% |
cis-dichlorobis(dimethylsulfoxide)platinum(II)
trimethylamine-N-oxide dihydrate
trans-{Pt(DMSO)(NMe3)Cl2}
Conditions | Yield |
---|---|
In acetone refluxing (1 min); cooling, removal of solvent (vac.), addn. of isopropanol, filtration, reprecipitation from soln. in MeCN on addn. of ether; elem. anal.; | 92% |
trimethylamine-N-oxide dihydrate
acetonitrile
Conditions | Yield |
---|---|
With CH3CN In dichloromethane; acetonitrile dissolving complex in CH2Cl2; addn. of 2 equiv. Me3NO*H2O in CH3CN; stirring for 1 h; removal of solvents in vac.; recrystn. (CH2Cl2/Et2O); elem. anal.; | 91% |
trimethylamine-N-oxide dihydrate
phosphorous acid trimethyl ester
Conditions | Yield |
---|---|
In acetonitrile Addn. of phosphorus ligand and iron complex to suspn. of Me3NO*2H2O (MeCN) under inert atmosphere, stirring of mixt. (37-40°C, 4-18 h) until disappearance of starting material.; Extn. of mixt. with hexane/Et2O, removal of solvent under reduced pressure, chromy. of residue on silica gel with hexane/Et2O as eluent. Pure compound obtained after elimination of solvent, elem. anal.; | 90% |
trimethylamine-N-oxide dihydrate
triethylphosphine
Conditions | Yield |
---|---|
In acetonitrile Addn. of phosphorus ligand and iron complex to suspn. of Me3NO*2H2O (MeCN) under inert atmosphere, stirring of mixt. (37-40°C, 4-18 h) until disappearance of starting material.; Extn. of mixt. with hexane/Et2O, removal of solvent under reduced pressure, chromy. of residue on silica gel with hexane/Et2O as eluent. Pure compound obtained after elimination of solvent.; | 90% |
trimethylamine-N-oxide dihydrate
triethylphosphine
Conditions | Yield |
---|---|
In acetonitrile Addn. of phosphorus ligand and iron complex to suspn. of Me3NO*2H2O (MeCN) under inert atmosphere, stirring of mixt. (37-40°C, 4-18 h) until disappearance of starting material.; Extn. of mixt. with hexane/Et2O, removal of solvent under reduced pressure, chromy. of residue on silica gel with hexane/Et2O as eluent. Pure compound obtained after elimination of solvent.; | 90% |
trimethylamine-N-oxide dihydrate
triethyl phosphite
Conditions | Yield |
---|---|
In acetonitrile Addn. of phosphorus ligand and iron complex to suspn. of Me3NO*2H2O (MeCN) under inert atmosphere, stirring of mixt. (37-40°C, 4-18 h) until disappearance of starting material.; Extn. of mixt. with hexane/Et2O, removal of solvent under reduced pressure, chromy. of residue on silica gel with hexane/Et2O as eluent. Pure compound obtained after elimination of solvent, elem. anal.; | 90% |
trimethylamine-N-oxide dihydrate
1,2-bis-(diphenylphosphino)ethane
Conditions | Yield |
---|---|
In acetone; toluene a mixt. of Fe-complex and dppe was heated under reflux in toluene for 2h, cooled, filtered under N2, solid was washed with toluene, suspended in wet acetone contg. NH4PF6, Me3NO*2H2O was added, mixt. was stirred for 1 h; solvent was removed under reduced pressure, extd. with CH2Cl2, soln. was washed with H2O, decanted, dried over CaCl2, filtered, concd., Et2O was added, cooled to -30°C; | 90% |
2-(N,N-dimethylamino)ethanol
decacarbonyldirhenium(0)
trimethylamine-N-oxide dihydrate
Conditions | Yield |
---|---|
In tetrahydrofuran; methanol N2, a soln. of Re compd. (THF) added at room temp. to a soln. of ligand and N-oxide, stirred for 4 h at ambient temp.; solvent removed (vac.), recrystd. (CH2Cl2-hexane) by slow evapn. at roomtemp.; elem. anal.; | 90% |
In tetrahydrofuran N2, a soln. of Re compd. (THF) added at room temp. to a soln. of ligand and N-oxide, stirred for 4 h at ambient temp.; solvent removed (vac.), recrystd. (CH2Cl2-hexane) by slow evapn. at roomtemp.; elem. anal.; | 55% |
cis-1,4-diacetoxy-2-cyclopentene
trimethylamine-N-oxide dihydrate
3α,5α-diacetoxy-1β,2β-cyclopentanediol
Conditions | Yield |
---|---|
With osmium(VIII) oxide In tetrahydrofuran; water; acetone | 89.5% |
tungsten hexacarbonyl
trimethylamine-N-oxide dihydrate
acetonitrile
A
W(CO)5NMe3
B
pentacarbonyl(acetonitrile)tungsten
Conditions | Yield |
---|---|
In neat (no solvent) addn. of Me3NO*2H2O to a suspn. of W(CO)6 in CH3CN, stirring under aspirator vac. 5 min, under N2, 5 min; filtration in air, vac. evapn., yellow powder, taken up in CH3CN, filtered (through a pad of silica gel), washed (CH3CN), vac. evapn.; | A n/a B 89% |
{Fe(CO)3(η4-CH3(CH)4CH3)}
trimethylamine-N-oxide dihydrate
triethylphosphine
dicarbonyl{2-5-η-((2E,4E)-hexa-2,4-diene)}(triethylphosphine)iron
Conditions | Yield |
---|---|
In acetonitrile Addn. of phosphorus ligand and iron complex to suspn. of Me3NO*2H2O (MeCN) under inert atmosphere, stirring of mixt. (37-40°C, 4-18 h) until disappearance of starting material.; Extn. of mixt. with hexane/Et2O, removal of solvent under reduced pressure, chromy. of residue on silica gel with hexane/Et2O as eluent. Pure compound obtained after elimination of solvent.; | 89% |
Os3(CO)11(P(C2H5)3)
trimethylamine-N-oxide dihydrate
Os3(CO)10(CH3CN)P(C2H5)3
Conditions | Yield |
---|---|
In dichloromethane; acetonitrile (CH3)2NO*H2O is added to a soln. of Os-compd. (N2); stirring at room temp. for 30 min.; the initial yellow colour turnes to orange; filtration through silica; removal of solvent in vacuo; recrystn. from hexane-dichloromethane at -15°C; elem. anal.; | 88% |
trimethylamine-N-oxide dihydrate
phosphorous acid trimethyl ester
Conditions | Yield |
---|---|
In acetonitrile Addn. of phosphorus ligand and iron complex to suspn. of Me3NO*2H2O (MeCN) under inert atmosphere, stirring of mixt. (37-40°C, 4-18 h) until disappearance of starting material.; Extn. of mixt. with hexane/Et2O, removal of solvent under reduced pressure, chromy. of residue on silica gel with hexane/Et2O as eluent. Pure compound obtained after elimination of solvent.; | 87% |
trimethylamine-N-oxide dihydrate
A
(μ-hydrido)(μ-pyridyl)(trimethylamine N-oxide)dirhenium heptacarbonyl
B
trimethylamine
Conditions | Yield |
---|---|
In dichloromethane Re complex dissolved in CH2Cl2, excess Me3NO*2H2O added, stirred vigorously at room temp. for 10 h; filtered, filtrate washed with water, hexane added, slowly evapd.; elem. anal.; | A 84% B n/a |
trimethylamine-N-oxide dihydrate
Conditions | Yield |
---|---|
In acetonitrile excess Me3NO, stirring for 30 min (pptn.); collection (filtration), washing (MeCN, Et2O); elem. anal.; | 84% |
trimethylamine-N-oxide dihydrate
triethyl phosphite
Conditions | Yield |
---|---|
In acetonitrile Addn. of phosphorus ligand and iron complex to suspn. of Me3NO*2H2O (MeCN) under inert atmosphere, stirring of mixt. (37-40°C, 4-18 h) until disappearance of starting material.; Extn. of mixt. with hexane/Et2O, removal of solvent under reduced pressure, chromy. of residue on silica gel with hexane/Et2O as eluent. Pure compound obtained after elimination of solvent.; | 83% |
trimethylamine-N-oxide dihydrate
acetonitrile
Conditions | Yield |
---|---|
In dichloromethane dissolving complex in CH2Cl2; addn. of Me3NO*H2O in CH3CN; stirring for 1 h; removal of solvents in vac.; recrystn. (CH2Cl2/Et2O); elem. anal.; | 83% |
[Cr(CO)4(1,10-phenanthroline)]
trimethylamine-N-oxide dihydrate
bis-diphenylphosphinomethane
Cr(CO)3(C12H8N2)((C6H5)2PCH2P(C6H5)2)
Conditions | Yield |
---|---|
In acetonitrile N2-atmosphere; molar ratio Mo(CO)4(phen):Me3NO:dppm = 1:1.5:1, room temp.; recrystn. (CH2Cl2/MeOH); | 83% |
{Fe(CO)3(η4-CH3(CH)4CH3)}
trimethylamine-N-oxide dihydrate
triethyl phosphite
dicarbonyl{2-5-η-((2E,4E)-hexa-2,4-diene)}(triethoxyphosphine)iron
Conditions | Yield |
---|---|
In acetonitrile Addn. of phosphorus ligand and iron complex to suspn. of Me3NO*2H2O (MeCN) under inert atmosphere, stirring of mixt. (37-40°C, 4-18 h) until disappearance of starting material.; Extn. of mixt. with hexane/Et2O, removal of solvent under reduced pressure, chromy. of residue on silica gel with hexane/Et2O as eluent. Pure compound obtained after elimination of solvent.; | 82% |
1,10-Phenanthroline
tungsten hexacarbonyl
trimethylamine-N-oxide dihydrate
tetracarbonyl(1,10-phenanthroline)tungsten(0)
Conditions | Yield |
---|---|
In benzene N2-atmosphere; stoichiometric amts., room temp.; | 81% |
trimethylamine-N-oxide dihydrate
triethyl phosphite
Conditions | Yield |
---|---|
In acetonitrile Addn. of phosphorus ligand and iron complex to suspn. of Me3NO*2H2O (MeCN) under inert atmosphere, stirring of mixt. (0°C, 4-18 h) until disappearance of starting material.; Extn. of mixt. with hexane/Et2O, removal of solvent under reduced pressure, chromy. of residue on silica gel with hexane/Et2O as eluent. Pure compound obtained after elimination of solvent.; | 80% |
trimethylamine-N-oxide dihydrate
Conditions | Yield |
---|---|
In dichloromethane byproducts: CO2; under N2, using standard Schlenk techniques, addn. of Me3NO to a soln. of complex in CH2Cl2, color changed from deep red to red-brown, stirred for 0.25 h at room temp.; filtered, evapd. in vac., washed with hexane, extd. with toluene, evapd.; elem. anal.; | A 80% B n/a |
In dichloromethane byproducts: CO2; under N2, using standard Schlenk techniques, addn. of Me3NO*2H2O to a soln. of complex in CH2Cl2, color changed from deep red to red-brown, stirred for 4 h at room temp., product ratio depended on react. time; |
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