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Cas:15045-43-9
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Type:Lab/Research institutions
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inquiry2,2,5,5-TETRAMETHYLTETRAHYDROFURAN CAS:15045-43-9 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 qualit
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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
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inquiryTAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
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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
Cas:15045-43-9
Min.Order:0
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inquiryHuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of
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Min.Order:1 Gram
FOB Price: $1.0
Type:Trading Company
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Type:Lab/Research institutions
inquiryFINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 2,2,5,5-TETRAMETHYLTETRAHYDROFURAN, CAS:15045-43-9 with the most competitive price an
Cas:15045-43-9
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Type:Trading Company
inquiryFuran,tetrahydro-2,2,5,5-tetramethyl- Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shenz
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inquiry2,5-dimethyl-2,5-hexanediol
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
With beta-zeolite HCZB 25 at 0.85 - 105℃; for 1.5h; Reagent/catalyst; | 100% |
Nafion-H at 130℃; for 2h; | 94% |
With penthaethoxyphosphorane In dichloromethane for 450h; Ambient temperature; | 79.1% |
2,5-dimethyl-2,5-hexanediol
A
2,2,5,5-tetramethyltetrahydrofuran
B
2,5-dimethyl-4-hexen-2-ol
Conditions | Yield |
---|---|
With chloro-trimethyl-silane; dimethyl sulfoxide In benzene at 20℃; for 75h; | A 75% B 21% |
3-Phenyl-1-propanol
2-diethylamino-4,4,7,7-tetramethyl-1,3,2-dioxaphosphepane
A
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
Stage #1: 3-Phenyl-1-propanol; 2-diethylamino-4,4,7,7-tetramethyl-1,3,2-dioxaphosphepane With 1H-tetrazole In dichloromethane at 20℃; for 22h; Substitution; Stage #2: With 3-chloro-benzenecarboperoxoic acid at -78 - 20℃; for 0.5h; Oxidation; | A 36% B 63% C 4% |
formaldehyd
2,5-dimethyl-2,5-hexanediol
A
2,2,5,5-tetramethyltetrahydrofuran
B
4,4,7,7-tetramethyl-1,3-dioxepane
Conditions | Yield |
---|---|
With N-Phenyl-2-naphthylamine; toluene-4-sulfonic acid |
2,5-dimethyl-2,5-hexanediol
aniline hydrobromide
A
2,2,5,5-tetramethyltetrahydrofuran
B
2,5-Dimethyl-2,4-hexadiene
Conditions | Yield |
---|---|
beim Destillieren; |
2,5-dimethyl-1,5-hexadiene
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
With sulfuric acid at 6℃; im geschlossenen Rohr; |
2,5-Dimethyl-2,4-hexadiene
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
With sulfuric acid at 6℃; im geschlossenen Rohr; |
2,5-dibromo-2,5-dimethyl-hexane
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
With potassium carbonate |
5-bromo-2,5-dimethyl-hexan-2-ol
A
2,2,5,5-tetramethyltetrahydrofuran
B
2,5-dibromo-2,5-dimethyl-hexane
Conditions | Yield |
---|---|
Erhitzen ueber den Schmelzpunkt; |
2,5-dimethyl-4-hexen-2-ol
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
With sulfuric acid |
formaldehyd
2,5-dimethyl-2,5-hexanediol
N-Phenyl-2-naphthylamine
toluene-4-sulfonic acid
A
2,2,5,5-tetramethyltetrahydrofuran
B
4,4,7,7-tetramethyl-1,3-dioxepane
2,5-dimethyl-2,5-hexanediol
phosphoric acid
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
at 140℃; |
2,5-dimethyl-hex-3-ene-2,5-diol
sulfuric acid
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
higher-melting 2.5-dimethyl-hexene-(3)-diol-(2.5); |
2,5-dimethyl-4-hexen-2-ol
sulfuric acid
2,2,5,5-tetramethyltetrahydrofuran
2,5-dimethyl-hex-3-ene-2,5-diol
iodine
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
die Reaktion verlaeuft bei der α-Form rascher als bei der β-Form; higher-melting 2.5-dimethyl-hexene-(3)-diol-(2.5); | |
die Reaktion verlaeuft bei der α-Form rascher als bei der β-Form; lower-melting 2.5-dimethyl-hexene-(3)-diol-(2.5); |
(Z)-2,5-dimethylhex-3-ene-2,5-diol
2,2,5,5-tetramethyltetrahydrofuran
2,5-dimethyl-hex-3-ene-2,5-diol
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
at 140 - 160℃; higher-melting 2.5-dimethyl-hexene-(3)-diol-(2.5); |
(Z)-2,5-dimethylhex-3-ene-2,5-diol
hydrogen bromide
A
2,2,5,5-tetramethyltetrahydrofuran
B
2,5-dibromo-2,5-dimethyl-hex-3-ene
Conditions | Yield |
---|---|
at 25℃; |
4-oxopentanoic acid ethyl ester
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: diluted sulfuric acid View Scheme |
5-bromo-2,5-dimethyl-hexan-2-ol
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Erhitzen ueber den Schmelzpunkt 2: potassium carbonate solution View Scheme |
2,5-dimethyl-2,5-hexanediol
A
2,2,5,5-tetramethyltetrahydrofuran
B
2,5-dimethyl-1,5-hexadiene
C
2,5-Dimethyl-2,4-hexadiene
D
2,5-dimethyl-4-hexen-2-ol
E
2,5-dimethyl-1,4-hexadiene
Conditions | Yield |
---|---|
With H-BEA zeolite In melt at 110℃; for 2h; Catalytic behavior; Reagent/catalyst; |
2,2,5,5-tetramethyltetrahydrofuran
methylenebis(diphenylphosphane)-borane(1:2)
dimethylsulfide borane complex
Conditions | Yield |
---|---|
Stage #1: methylenebis(diphenylphosphane)-borane(1:2) With n-butyllithium In hexane; toluene at 20℃; for 0.0833333h; Inert atmosphere; Schlenk technique; Stage #2: dimethylsulfide borane complex In hexane; toluene Inert atmosphere; Schlenk technique; Stage #3: 2,2,5,5-tetramethyltetrahydrofuran In hexane; toluene at -20℃; Inert atmosphere; Schlenk technique; | 83.9% |
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
In pentane Inert atmosphere; Schlenk technique; | 82% |
2,2,5,5-tetramethyltetrahydrofuran
calcium bis[bis(trimethylsilyl)amide] dimer
Conditions | Yield |
---|---|
In pentane at -20℃; for 24h; Schlenk technique; Inert atmosphere; | 82% |
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
In pentane at -20℃; for 24h; Schlenk technique; Inert atmosphere; | 75% |
2,2,5,5-tetramethyltetrahydrofuran
hexaphenylditin
Conditions | Yield |
---|---|
In benzene-d6 at 20℃; for 48h; Inert atmosphere; | 75% |
2,2,5,5-tetramethyltetrahydrofuran
methylenebis(diphenylphosphane)-borane(1:2)
Conditions | Yield |
---|---|
Stage #1: methylenebis(diphenylphosphane)-borane(1:2) With n-butyllithium In hexane; toluene at 20℃; Inert atmosphere; Schlenk technique; Stage #2: 2,2,5,5-tetramethyltetrahydrofuran In toluene at 80℃; for 18h; Inert atmosphere; Schlenk technique; | 72% |
2,2,5,5-tetramethyltetrahydrofuran
N-Isopropylaniline
dibutylmagnesium
Conditions | Yield |
---|---|
In pentane at 0 - 20℃; Inert atmosphere; Schlenk technique; | 71.5% |
2,2,5,5-tetramethyltetrahydrofuran
triphenylstannane
Conditions | Yield |
---|---|
In toluene at 20℃; Inert atmosphere; | 68% |
Conditions | Yield |
---|---|
In pentane at -20℃; for 24h; Schlenk technique; Inert atmosphere; | 66% |
2,2,5,5-tetramethyltetrahydrofuran
1,1,1,3,3,3-hexamethyl-disilazane
Conditions | Yield |
---|---|
Stage #1: 1,1,1,3,3,3-hexamethyl-disilazane With n-butyllithium In hexane at -78℃; Inert atmosphere; Schlenk technique; Stage #2: 2,2,5,5-tetramethyltetrahydrofuran In hexane at -40℃; Inert atmosphere; Schlenk technique; | 65% |
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
In pentane Inert atmosphere; Schlenk technique; | 58% |
2,2,5,5-tetramethyltetrahydrofuran
((((CH3)3Si)2N)Mg(μ-N(Si(CH3)3)2))2
Conditions | Yield |
---|---|
In pentane at -20℃; for 24h; Schlenk technique; Inert atmosphere; | 58% |
2,2,5,5-tetramethyltetrahydrofuran
triphenylstannane
diisopropyl-carbodiimide
Conditions | Yield |
---|---|
Stage #1: 2,2,5,5-tetramethyltetrahydrofuran; [(HC{(Me)CN-2,6-i-Pr2C6H3}2)CaH]2; triphenylstannane In benzene-d6 at 20℃; for 16h; Inert atmosphere; Stage #2: diisopropyl-carbodiimide In benzene-d6 at 20℃; for 2h; Inert atmosphere; | 56% |
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
In pentane Inert atmosphere; Schlenk technique; | 50% |
2,2,5,5-tetramethyltetrahydrofuran
A
perfluoro(2,2,5-trimethyltetrahydrofuran)
B
3-hydropentadecafluoro-2,2,5,5-tetramethyltetrahydrofuran
C
perfluoro(2,2,5,5-tetramethyltetrahydrofuran)
D
perfluoro(2,2,5-trimethyltetrahydropyran)
Conditions | Yield |
---|---|
With fluorine at -120 - 20℃; for 336h; Yield given; | A n/a B n/a C 45% D n/a |
With fluorine at -120 - 20℃; for 336h; Yields of byproduct given; | A n/a B n/a C 45% D n/a |
With fluorine at -120 - 20℃; for 336h; Yield given. Yields of byproduct given; |
2,2,5,5-tetramethyltetrahydrofuran
Conditions | Yield |
---|---|
In pentane Inert atmosphere; Schlenk technique; | 25% |
2,2,5,5-tetramethyltetrahydrofuran
phenol
5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-ol
Conditions | Yield |
---|---|
With aluminium trichloride; Petroleum ether | |
With hydrogenchloride; aluminium trichloride In n-heptane | |
With aluminium trichloride; Petroleum ether |
2,2,5,5-tetramethyltetrahydrofuran
2,5-dichloro-2,5-dimethyl hexane
Conditions | Yield |
---|---|
With hydrogenchloride |
2,2,5,5-tetramethyltetrahydrofuran
para-xylene
Conditions | Yield |
---|---|
With hydrogen at 510℃; Leiten ueber Aluminiumoxid-Chromoxid-Magnesiumoxid; |
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