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inquiryAppearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao
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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
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inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Shanghai Finebiotech Co.,Ltd.was established in 2020, which providing professional chemical services. As a customer-oriented company, we have distinguished ourself from others in providing worldwide customers with cost-effective and efficient service
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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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We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate
2-HYDROXYTETRAHYDROPYRAN Application:2-HYDROXYTETRAHYDROPYRAN
2H-Pyran-2-ol,tetrahydro- cas 694-54-2Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Hangzhou ZeErRui Chemical Co., Ltd. is focused on customization, research and development and production of APIs and advanced intermediates, which can effectively compensate for the deficiencies of traditional CRO and CMO. Priority of high-tech barri
*stable and better quality products*efficient and meticulous servicesAppearance:Powder Storage:Store in dry, cool and ventilated place Package:10G/bottle 1kg/tin 5kg/tin 25kg/carton Application:1. Chemical raw materials 2. Used as an analytical reage
Conditions | Yield |
---|---|
With hydrogenchloride; water at 0 - 20℃; for 1.25h; Inert atmosphere; | 96% |
With hydrogenchloride In water at 0 - 20℃; for 1.5h; | 93% |
With hydrogenchloride; water In water at 0 - 20℃; for 1.25h; | 87% |
tetrahydro-2H-2-pyranol
Conditions | Yield |
---|---|
With methanol; iodine; magnesium at 40℃; for 3h; | 96% |
Conditions | Yield |
---|---|
With diisobutylaluminium hydride In diethyl ether; hexane at -78℃; for 2h; Reduction; | 93% |
With diisobutylaluminium hydride In hexane; dichloromethane at -78℃; for 2h; | 91% |
With diisobutylaluminium hydride In hexane; dichloromethane at -78℃; for 0.25h; | 88% |
3,4-dihydro-2H-pyran
1,6-hexanediol
A
tetrahydro-2H-2-pyranol
B
6-(tetrahydro-2H-pyranyloxy)hexan-1-ol
C
1,6-bis(tetrahydropyranyloxy)hexane
Conditions | Yield |
---|---|
With Dowex 50W x 2 In toluene at 30℃; for 2.5h; Etherification; hydration; | A n/a B 89% C 2% |
ethyl 2-<1-(2-tetrahydropyranylperoxy)ethyl>propenoate
A
tetrahydro-2H-2-pyranol
B
n-butyl formate
Conditions | Yield |
---|---|
With tert-butyl peroxyacetate In cyclohexane at 110℃; under 0.001 Torr; for 12h; further solvents; | A 1 % Chromat. B 6 % Chromat. C 7% D 75% |
5-triphenylmethoxypentanal
tetrahydro-2H-2-pyranol
Conditions | Yield |
---|---|
Stage #1: 5-triphenylmethoxypentanal With boron trichloride In dichloromethane at -30℃; for 0.75h; Substitution; Stage #2: With methanol Cyclization; methanolysis; Further stages.; | 75% |
(E)-pent-2-ene-1,5-diol
carbon monoxide
A
tetrahydro-2H-2-pyranol
B
1 ,5-pentanediol
C
2,3,3aβ,4,5,6aβ-perhydrofuro<2,3b>furan
Conditions | Yield |
---|---|
With chloro(1,5-cyclooctadiene)rhodium(I) dimer; hydrogen; triphenylphosphine In dichloromethane at 120℃; under 45003.6 Torr; for 20h; Product distribution; Further Variations:; Reagents; Solvents; | A n/a B n/a C 72% D n/a |
(E)-pent-2-ene-1,5-diol
carbon monoxide
A
tetrahydro-2H-2-pyranol
B
2,3,3aβ,4,5,6aβ-perhydrofuro<2,3b>furan
Conditions | Yield |
---|---|
With chloro(1,5-cyclooctadiene)rhodium(I) dimer; hydrogen; triphenylphosphine In dichloromethane at 120℃; under 45003.6 Torr; for 20h; | A n/a B 72% |
Conditions | Yield |
---|---|
With copper(l) iodide; zinc In water ultrasonic irradiation; | 70% |
3,4,5,6-tetrahydro-2H-pyran-2-one
A
tetrahydro-2H-2-pyranol
B
5-hydroxypentanal
Conditions | Yield |
---|---|
With diisobutylaluminium hydride In dichloromethane; toluene at -70℃; for 3h; Inert atmosphere; Overall yield = 0.71 g; | A 65% B 25% |
1 ,5-pentanediol
A
tetrahydro-2H-2-pyranol
B
3,4,5,6-tetrahydro-2H-pyran-2-one
Conditions | Yield |
---|---|
With 1-methyl-1H-imidazole; [2,2]bipyridinyl; tetrakis(acetonitrile)copper(I) trifluoromethanesulfonate; 9-azabicyclo<3.3.1>nonane-N-oxyl In acetonitrile at 22℃; for 2h; | A 58% B 29% |
2-(prop-2-en-1-yloxy)oxane
trimethylaluminum
A
tetrahydro-2H-2-pyranol
Conditions | Yield |
---|---|
bis(triphenylphosphine)nickel(II) chloride In toluene | A n/a B 48% |
pent-2-ene-1,5-diol
carbon monoxide
A
tetrahydro-2H-2-pyranol
B
2,3,3aβ,4,5,6aβ-perhydrofuro<2,3b>furan
Conditions | Yield |
---|---|
With hydrogen; triphenylphosphine; chloro(1,5-cyclooctadiene)rhodium(I) dimer In 1,4-dioxane at 120℃; under 45004.5 Torr; for 20h; | A 7% B 35% C 34% |
Conditions | Yield |
---|---|
platinum In sulfuric acid; water at 35℃; for 1.15h; Product distribution; electrolysis, also with PtO2, RuO2; | 91 % Turnov. |
platinum In sulfuric acid; water at 35℃; for 1.15h; electrolysis; | 91 % Turnov. |
TETRAHYDROPYRANE
A
tetrahydro-2H-2-pyranol
B
3,4,5,6-tetrahydro-2H-pyran-2-one
Conditions | Yield |
---|---|
With 1,1,1-trifluoro-2-propanone; methyltrifluoromethyldioxirane In dichloromethane at 0℃; for 0.25h; Yield given. Yields of byproduct given; | |
lead dioxide In sulfuric acid; water at 35℃; for 7.83333h; electrolysis; | A 5.4 % Turnov. B 73 % Turnov. |
With oxone; methyltrifluoromethyldioxirane In dichloromethane at -15℃; | A 37 % Chromat. B 63 % Chromat. |
3,4-dihydro-2H-pyran
A
tetrahydro-2H-2-pyranol
B
bis-tetrahydropyran-2-yl ether
C
5-(2-tetrahydropyranyloxy)pentanal
D
5-hydroxypentanal
Conditions | Yield |
---|---|
With hydrogenchloride for 0.25h; Product distribution; Ambient temperature; other times and temperatures, other hydration reagent; | |
With hydrogenchloride; sodium sulfite at 25℃; for 24h; Yield given; | |
With hydrogenchloride at 25℃; for 0.25h; Yield given. Yields of byproduct given; |
3,4-dihydro-2H-pyran
A
tetrahydro-2H-2-pyranol
B
bis-tetrahydropyran-2-yl ether
C
5-hydroxypentanal
Conditions | Yield |
---|---|
With hydrogenchloride 1.) 25 deg C, 1 h, 2.) reflux, 24 h; Yield given. Yields of byproduct given; |
3,4-dihydro-2H-pyran
A
tetrahydro-2H-2-pyranol
B
5-(2-tetrahydropyranyloxy)pentanal
C
5-hydroxypentanal
Conditions | Yield |
---|---|
With sodium metabisulfite; water at 25℃; for 24h; Yield given. Yields of byproduct given; |
1,5-pentanedioic acid
A
tetrahydro-2H-2-pyranol
B
3,4,5,6-tetrahydro-2H-pyran-2-one
C
1 ,5-pentanediol
Conditions | Yield |
---|---|
With H4Ru4(CO)84; hydrogen In diethyl ether; toluene at 200℃; under 98800 Torr; for 48h; | A 2.9 % Chromat. B 28.7 % Chromat. C 47.7 % Chromat. D 20.7 % Chromat. |
2-phenoxytetrahydropyran
octanol
A
tetrahydro-2H-2-pyranol
B
2-octyloxy-tetrahydro-pyran
C
phenol
Conditions | Yield |
---|---|
tris(2,2'-bipyridyl)ruthenium dichloride; Paraquat In acetonitrile at 20℃; for 30h; Product distribution; Irradiation; also with H2O, or molecular sieves 4 Angstroem; |
2-phenoxytetrahydropyran
A
tetrahydro-2H-2-pyranol
B
2-octyloxy-tetrahydro-pyran
C
phenol
Conditions | Yield |
---|---|
With water; tris(2,2'-bipyridyl)ruthenium dichloride; (MV)Cl2 In acetonitrile for 30h; Irradiation; Yields of byproduct given; |
C5H9O2(1-)
tetrahydro-2H-2-pyranol
Conditions | Yield |
---|---|
Thermodynamic data; protonation, ΔG0; |
hexanal
2-Acetyl-2-methyl-5-oxo-hexanoic acid allyl ester
A
tetrahydro-2H-2-pyranol
B
3-(1-Hydroxy-hexyl)-3-methyl-heptane-2,6-dione
Conditions | Yield |
---|---|
With bis(triphenylphosphine)nickel(II) chloride; zinc In N,N-dimethyl-formamide at 40℃; for 5h; Yield given. Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
With acetylacetonatodicarbonylrhodium(l); (R,S)-binaphos; hydrogen In benzene at 60℃; under 22800 Torr; Yield given. Yields of byproduct given; | |
With acetylacetonatodicarbonylrhodium(l); (R,S)-binaphos; hydrogen In benzene at 60℃; under 22800 Torr; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
2-(prop-2-en-1-yloxy)oxane
tetrahydro-2H-2-pyranol
Conditions | Yield |
---|---|
With triethylaluminum; bis(triphenylphosphine)nickel(II) chloride In toluene |
α-bromopropionate de tetrahydropyrannyle
tetrahydro-2H-2-pyranol
Conditions | Yield |
---|---|
With sodium hydroxide; potassium dihydrogenphosphate In water at 15℃; Rate constant; Mechanism; |
tetrahydro-2H-2-pyranol
Conditions | Yield |
---|---|
With sodium hydroxide; potassium dihydrogenphosphate In water at 15℃; Rate constant; Mechanism; |
tetrahydro-2H-2-pyranol
Conditions | Yield |
---|---|
With sodium hydroxide; potassium dihydrogenphosphate In water at 15℃; Rate constant; Mechanism; |
tetrahydro-2H-2-pyranol
Conditions | Yield |
---|---|
With sodium hydroxide; potassium dihydrogenphosphate In water at 15℃; Rate constant; Mechanism; |
tetrahydro-2H-2-pyranol
Conditions | Yield |
---|---|
With sodium hydroxide; potassium dihydrogenphosphate In water at 15℃; Rate constant; Mechanism; |
Conditions | Yield |
---|---|
With triethyl borane; bis(acetylacetonate)nickel(II) In tetrahydrofuran; hexane at 20℃; for 40h; | 99% |
tetrahydro-2H-2-pyranol
2,5-dimethoxyphenol
2,5-Dimethoxy-1-(tetrahydro-2H-pyran-2-yloxy)-benzol
Conditions | Yield |
---|---|
With tributylphosphine; 1,1'-azodicarbonyl-dipiperidine In tetrahydrofuran at 0 - 20℃; for 18h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With 2-Sulfanylpyridine; FeIIFeIII2(μ3-O)(μ2-OOCCF3)6(OH2)3 In 1,2-dichloro-ethane at 60℃; for 24h; Reagent/catalyst; | 99% |
tetrahydro-2H-2-pyranol
9-bromononan-1-ol
2-(9-bromononyloxy)tetrahydropyran
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In tetrahydrofuran at 20℃; | 99% |
tetrahydro-2H-2-pyranol
(3-bromopropyl)(methyl)sulfane
Conditions | Yield |
---|---|
Stage #1: (3-bromopropyl)(methyl)sulfane With iodine; magnesium In tetrahydrofuran Reflux; Inert atmosphere; Stage #2: tetrahydro-2H-2-pyranol In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; | 99% |
tetrahydro-2H-2-pyranol
(carbethoxyethylidene)triphenylphosphorane
(E)-7-hydroxy-2-methyl-hept-2-enoic acid ethyl ester
Conditions | Yield |
---|---|
98% | |
In benzene for 12h; Ambient temperature; | 80% |
In toluene at 90℃; for 1h; | |
In benzene Wittig Olefination; | 1.87 g |
Conditions | Yield |
---|---|
With carbon tetrabromide; triphenylphosphine at 20℃; for 16h; | 97% |
With titanium(IV) tetrabutoxide; (R)-Mandelic Acid at 20℃; for 24h; | 94% |
tetrahydro-2H-2-pyranol
benzyl alcohol
tetrahydro-2-(benzyloxy)-2H-pyran
Conditions | Yield |
---|---|
With pyrrolidine hydrochloride In toluene at 100℃; for 5h; Inert atmosphere; | 96% |
tetrahydro-2H-2-pyranol
O-(tert-butyldimethylsilanyl)hydroxylamine
5-hydroxypentanal O-tert-butyldimethylsilyloxime
Conditions | Yield |
---|---|
With magnesium sulfate In diethyl ether at 20℃; for 1h; | 94% |
tetrahydro-2H-2-pyranol
3,4-dihydro-2H-pyran
bis-tetrahydropyran-2-yl ether
Conditions | Yield |
---|---|
With N.N'-bis[3,5-bis(trifluoromethyl)phenyl]thiourea at 20℃; for 19h; | 94% |
tetrahydro-2H-2-pyranol
1-triphenylphosphoranylidene-2-propanone
(E)-8-Hydroxy-oct-3-en-2-one
Conditions | Yield |
---|---|
93% |
tetrahydro-2H-2-pyranol
4-but-1-enylmagnesium bromide
non-8-ene-1,5-diol
Conditions | Yield |
---|---|
In tetrahydrofuran for 1.5h; Ambient temperature; | 93% |
Conditions | Yield |
---|---|
With 1-methyl-pyrrolidin-2-one; Li2CuCl4 In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Schlenk technique; | 93% |
Conditions | Yield |
---|---|
With ammonium hydroxide; hydrogen In water at 80℃; under 15001.5 Torr; for 6h; Pressure; Temperature; | 93% |
With ammonia; hydrogen In water at 80℃; under 15001.5 Torr; for 1h; Reagent/catalyst; Autoclave; | |
With ammonium hydroxide; hydrogen In water at 60℃; under 15001.5 Torr; for 1h; Catalytic behavior; Temperature; Autoclave; |
tetrahydro-2H-2-pyranol
Benzeneselenol
tetrahydro-2-(phenylseleno)-2H-Pyran
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene at 25℃; | 92% |
tetrahydro-2H-2-pyranol
benzyltriphenylphosphonium chloride
6-phenylhex-5-en-1-ol
Conditions | Yield |
---|---|
Stage #1: benzyltriphenylphosphonium chloride With potassium tert-butylate In tert-butyl alcohol at 20℃; for 0.5h; Stage #2: tetrahydro-2H-2-pyranol In tert-butyl alcohol at 20℃; for 0.5h; | 92% |
Conditions | Yield |
---|---|
With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; benzoic acid In chloroform at 23℃; for 24h; Michael Addition; enantioselective reaction; | A 92% B n/a |
Stage #1: tetrahydro-2H-2-pyranol; 2-(2-nitro-vinyl)-phenol With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; benzoic acid In chloroform at 25℃; for 24h; Stage #2: With hydrogenchloride In dichloromethane; water for 2h; Overall yield = 92 %; | A n/a B n/a |
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; for 18h; Passerini Condensation; | 92% |
Conditions | Yield |
---|---|
With benzoic acid In toluene at 110℃; for 24h; Inert atmosphere; | 90% |
tetrahydro-2H-2-pyranol
n-undecyltriphenylphosphonium bromide
5-(Z,E)-hexadecenol
Conditions | Yield |
---|---|
Stage #1: n-undecyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 1h; Stage #2: tetrahydro-2H-2-pyranol In tetrahydrofuran; hexane at 0 - 20℃; Wittig reaction; | 89% |
tetrahydro-2H-2-pyranol
2-phenylethanol
2-(2-phenylethoxy)tetrahydro-2H-pyran
Conditions | Yield |
---|---|
With rhenium(VII) oxide In dichloromethane at 20℃; Time; Inert atmosphere; | 89% |
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; for 18h; Passerini Condensation; | 89% |
tetrahydro-2H-2-pyranol
(2-trimethylsilylethylidene)triphenylphosphorane
7-(trimethylsilyl)-(E,Z)-5-hepten-1-ol
Conditions | Yield |
---|---|
88% | |
In tetrahydrofuran -78 deg C to r.t.; | 80% |
tetrahydro-2H-2-pyranol
ethyl (triphenylphosphoranylidene)acetate
ethyl cis/trans-7-hydroxy-2-heptenoate
Conditions | Yield |
---|---|
In dichloromethane for 1.5h; Wittig reaction; Heating; | 88% |
85% | |
79% |
tetrahydro-2H-2-pyranol
ethyl (triphenylphosphoranylidene)acetate
ethyl (E)-7-hydroxyhept-2-enoate
Conditions | Yield |
---|---|
In tetrahydrofuran Wittig reaction; Heating; | 88% |
In dichloromethane for 48h; Ambient temperature; | 83% |
In dichloromethane at 23℃; for 96h; Inert atmosphere; | 80% |
tetrahydro-2H-2-pyranol
2-methyl-5-(phenylsulfonyl)-2-pentene
9-methyl 6-phenylsulphonyl 8-decen 1,5-diol
Conditions | Yield |
---|---|
With lithium diisopropyl amide at 20℃; for 18h; | 87% |
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