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Cas:142-68-7
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inquiryUnique advantages for Tetrahydropyran Cas 142-68-7 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Liquid Storage:Flammables area Package:160kg/drum Application:pharmaceutica
Cas:142-68-7
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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 services. DayangChem can provide different quantities of custom synthesis
Cas:142-68-7
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,
Cas:142-68-7
Min.Order:10 Gram
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inquiryProduct Name: Tetrahydropyran CAS NO.: 142-68-7 Boiling point:88℃ Melting point:−45℃ Flash point:−15.6℃ Appearance: Colorless transparent liquid Content: 99.0% Packaging: 180 kg
Cas:142-68-7
Min.Order:100 Gram
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Type:Lab/Research institutions
inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:142-68-7
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inquiryJ&H CHEM 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. J&H CHEM has some Manufacturing base in Jia
Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:142-68-7
Min.Order:1 Gram
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inquirySuperior quality, moderate price & quick delivery. Appearance:colorless to light yellow liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Applicatio
Our company was built in 2009 with an ISO certificate. In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so o
Cas:142-68-7
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:142-68-7
Min.Order:1 Gram
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Type:Lab/Research institutions
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
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
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:142-68-7
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
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
★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support
Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:142-68-7
Min.Order:10 Milligram
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inquiry1. ISO 9001 approved, GMP producing standard,Proffesional QA system, our quality is guaranteed. 2. Facotory direct sale, most comptive price ensured; 3. Audited Supplier on lookchem, No trick, No Scam! 4. Enough stock can make sure safe deliv
Cas:142-68-7
Min.Order:1 Kilogram
FOB Price: $750.0 / 850.0
Type:Trading Company
inquiryHenan Wising Chem specialize in sourcing the chemicals in China. We are associated with many trusted manufacturers each having different area of expertise required for meeting the needs of our local as well as overseas buyers . We have access to cu
Cas:142-68-7
Min.Order:10 Milligram
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Type:Lab/Research institutions
inquiry1. Subsidiary of Institute of Chemistry, Henan Academy of Sciences, national research platform;2. About 30 years’ experience in this field since 1983;3. An experienced R&D team consisting of Doctors and Masters;4. Various types of analytical instrume
Cas:142-68-7
Min.Order:0
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Type:Lab/Research institutions
inquiryProfile HeBei Ruishun Trade Co.LTD, registered capital one million,have a production of pharmaceutical raw materials, pharmaceutical raw materials factory reagent r&d center,Seek development by credit
Qingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. Our Labo
Cas:142-68-7
Min.Order:1 Gram
FOB Price: $1.0
Type:Trading Company
inquiryConditions | Yield |
---|---|
methyltin(IV) trichloride at 95 - 115℃; for 0.28h; | 100% |
methyltin(IV) trichloride at 95 - 115℃; for 0.28h; Mechanism; variation of catalyst, temperature, time; | 100% |
With copper(ll) bromide at 175℃; for 3h; Catalytic behavior; Reagent/catalyst; Temperature; Inert atmosphere; Sealed tube; | 99% |
Conditions | Yield |
---|---|
With hydrogen; nickel-chromium cat.(OST 6-03-314-75) at 170℃; under 16720 Torr; Product distribution; Rate constant; var. temp., var. pressures, var. autoclave (flow and periodic); | 98% |
With hydrogenchloride; triethylsilane; aluminium trichloride In dichloromethane for 1.5h; Ambient temperature; | 92% |
With platinum Hydrogenation; |
Conditions | Yield |
---|---|
decompn. at 150°C (0.5 h); | A 89% B n/a |
decompn. at 150°C (0.5 h); | A 89% B n/a |
Conditions | Yield |
---|---|
decompn. of the crude compound at 190°C (0.5 h); | A 82% B n/a |
decompn. of the crude compound at 190°C (0.5 h); | A 82% B n/a |
Conditions | Yield |
---|---|
With potassium hydroxide; sodium formate; Aliquat 336 at 105℃; for 0.25h; | 80% |
Conditions | Yield |
---|---|
With triethylsilane; silver(I) triflimide at 20℃; for 3h; Green chemistry; | 80% |
Conditions | Yield |
---|---|
78% | |
Multi-step reaction with 2 steps 1: 2.) AcOH / 1.) Et3N / 1.) CH2Cl2, 1 h, 20 deg C; 2.) CH2Cl2, 3 h, 20 deg C 2: 78 percent / 2,4,6-triphenyl pyridine / 170 °C / 15 Torr View Scheme |
Trifluoro-methanesulfonate14-(5-hydroxy-pentyl)-7-phenyl-5,6,8,9-tetrahydro-dibenzo[c,h]acridinium;
TETRAHYDROPYRANE
Conditions | Yield |
---|---|
With 2,4,6-triphenylpyridine at 170℃; under 15 Torr; | 78% |
Conditions | Yield |
---|---|
With sodium hydrogen sulfate; hydrogen; palladium on activated carbon at 70 - 130℃; under 6000.6 - 15001.5 Torr; for 3.5 - 5.5h; pH=1; Product distribution / selectivity; | A 76% B 78% |
With Diaion PK-216; hydrogen; palladium on activated carbon at 100℃; under 6000.6 Torr; for 4h; pH=4; not specified; Product distribution / selectivity; | A 70% B 71% |
With hydrogen; toluene-4-sulfonic acid; palladium on activated carbon at 70 - 130℃; under 6000.6 Torr; for 5.5h; pH=1; Product distribution / selectivity; |
1,5-dibromo-pentane
diethyl malonate
A
TETRAHYDROPYRANE
B
1 ,5-pentanediol
C
diethyl cyclohexane-1,1-dicarboxylate
Conditions | Yield |
---|---|
With tetraethylammonium perchlorate In N,N-dimethyl-formamide electrolysis; | A n/a B n/a C 64% |
Conditions | Yield |
---|---|
With hydrogen at 100℃; under 25858.1 Torr; for 2h; | A 61.6% B 43.4% |
With hydrogen at 100℃; under 25858.1 Torr; for 2h; | A 39.8% B 57.7% |
2-methoxy-3,4-dihydro-2H-pyran
A
TETRAHYDROPYRANE
B
2-methoxytetrahydropyran
C
methanol
Conditions | Yield |
---|---|
With sodium hydrogen sulfate; hydrogen; palladium on activated carbon at 130℃; under 6000.6 Torr; for 4h; pH=1; Product distribution / selectivity; | A 50% B 20% C 55% |
1 ,5-pentanediol
A
TETRAHYDROPYRANE
B
5-chloropentan-1-ol
C
1,5-dichloropentane
Conditions | Yield |
---|---|
With tetrachloromethane; triphenylphosphine In acetonitrile Mechanism; | A 11% B 52% C 25% |
With tert-butylhypochlorite; triphenylphosphine In chloroform Product distribution; 1.) -70 deg C, 2.) RT, 3.) reflux, 24 h; |
tetrahydrofuran
diazomethane
A
TETRAHYDROPYRANE
B
3-methyltetrahydrofuran
C
2-methyltetrahydrofuran
Conditions | Yield |
---|---|
Product distribution; Mechanism; Ambient temperature; Irradiation; | A 0.4% B 48.2% C 51.4% |
1,5-dibromo-pentane
malonic acid dimethyl ester
A
TETRAHYDROPYRANE
B
1 ,5-pentanediol
C
dimethyl 1,1-cyclohexanedicarboxylate
Conditions | Yield |
---|---|
With tetraethylammonium perchlorate In N,N-dimethyl-formamide electrolysis; | A n/a B n/a C 47% |
Conditions | Yield |
---|---|
With (PPh3)(CO)4MnC(O)CH3; phenylsilane In benzene-d6 for 2h; | 40% |
With aluminium(III) triflate; tris(2,4-pentanedionato)ruthenium(III); hydrogen; [2-((diphenylphospino)methyl)-2-methyl-1,3-propanediyl]bis[diphenylphosphine] In tetrahydrofuran at 140℃; under 30402 Torr; for 12h; Solvent; Autoclave; | 80 %Chromat. |
With hydrogen at 120℃; under 30003 Torr; for 48h; | 270 mg |
1,5-dibromo-pentane
ethyl acetoacetate
A
TETRAHYDROPYRANE
B
1 ,5-pentanediol
C
1-acetyl-1-(ethoxycarbonyl)cyclohexane
Conditions | Yield |
---|---|
With tetraethylammonium perchlorate In N,N-dimethyl-formamide electrolysis; | A n/a B n/a C 35% |
Conditions | Yield |
---|---|
With hydrogen; palladium on activated carbon at 20 - 160℃; under 6000.6 Torr; for 6h; Product distribution / selectivity; | A 18% B 25% |
5-chloropentan-1-ol
trans-4-Hydroxystilbene
A
TETRAHYDROPYRANE
B
5-{4-[(E)-2-phenylethenyl]phenoxy}pentan-1-ol
Conditions | Yield |
---|---|
Stage #1: trans-4-Hydroxystilbene With ethanol; sodium Inert atmosphere; Stage #2: 5-chloropentan-1-ol Inert atmosphere; Reflux; | A n/a B 20% |
Conditions | Yield |
---|---|
With perchloric acid; sodium perchlorate; water at 25℃; | A n/a B n/a C 18% |
Conditions | Yield |
---|---|
In tetralin at 140℃; Mechanism; Kinetics; Ea, log A, other temperatures; | A 5% B n/a C n/a |
Conditions | Yield |
---|---|
With hafnium tetrakis(trifluoromethanesulfonate); palladium 10% on activated carbon; hydrogen In neat (no solvent) at 150℃; under 30003 Torr; for 48h; Sealed tube; Inert atmosphere; Green chemistry; | 39 %Chromat. |
With copper-chromium-aluminium at 300℃; under 220652 Torr; Hydrogenation; |
Conditions | Yield |
---|---|
With chromium nickel at 280℃; under 147102 Torr; Hydrogenation; |
Conditions | Yield |
---|---|
With palladium on activated charcoal Hydrogenation; |
Conditions | Yield |
---|---|
With water at 100℃; Erhitzen im zugeschmolzenem Rohr; | |
With water; zinc(II) oxide at 150℃; im Einschlussrohr; | |
Multi-step reaction with 2 steps 1: methanol 2: iron (III)-chloride View Scheme |
TETRAHYDROPYRANE
3',5'-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-N5-<4,4',4''-tris(p-anisoyloxy)trityl>adenosine
2'-O-(tetrahydro-2-pyranyl)-3',5'-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-N6-<4,4',4''-tris(p-anisoyloxy)trityl>adenosine
Conditions | Yield |
---|---|
With 4 A molecular sieve; trifluoroacetic acid In dichloromethane for 26h; Ambient temperature; | 100% |
Conditions | Yield |
---|---|
With camphor-10-sulfonic acid In dichloromethane at 0 - 20℃; for 3h; | 100% |
TETRAHYDROPYRANE
2-hydroxy-N-methoxy-N-methyl acetamide
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In dichloromethane at 20℃; for 19h; | 100% |
TETRAHYDROPYRANE
[(4-CH3C6H4)CaI(tetrahydrofuran)4]
[(p-tolyl)CaI(tetrahydropyran)4]
Conditions | Yield |
---|---|
In neat (no solvent) Inert atmosphere; Schlenk technique; | 100% |
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; Green chemistry; | 100% |
TETRAHYDROPYRANE
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene at 20℃; | 100% |
TETRAHYDROPYRANE
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In dichloromethane at 20℃; | 100% |
TETRAHYDROPYRANE
(1S,4S,5S)-4-hydroxy-6-oxabicyclo[3.2.1]octan-7-one
(1S,4S,5S)-4-(tetrahydro-2H-pyran-2-yloxy)-6-oxabicyclo[3.2.1]octan-7-one
Conditions | Yield |
---|---|
pyridinium p-toluenesulfonate In dichloromethane at 20℃; for 2h; | 99% |
TETRAHYDROPYRANE
(E)-6-bromo-2-hexen-1-ol
(E)-2-(6-bromohex-2-en-1-yloxy)tetrahydro-2H-pyran
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In dichloromethane at 25℃; for 3h; | 99% |
TETRAHYDROPYRANE
5-Brom-2-trans-penten-1-ol
(E)-2-(5-bromopent-2-en-1-yloxy)tetrahydro-2H-pyran
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In dichloromethane at 25℃; for 3h; | 99% |
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; Green chemistry; | 99% |
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; Green chemistry; | 99% |
TETRAHYDROPYRANE
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In dichloromethane at 20℃; for 12h; Time; | 99% |
TETRAHYDROPYRANE
n-Pent-4-enyl alcohol
5-<2'-(tetrahydropyranyloxy)>-1-pentene
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In dichloromethane at 0 - 20℃; Inert atmosphere; | 98% |
Stage #1: TETRAHYDROPYRANE With bis(cyclopentadienyl)titanium dichloride; manganese at 20℃; for 0.25h; Inert atmosphere; Stage #2: n-Pent-4-enyl alcohol With Bromoform at 20℃; for 16h; Inert atmosphere; | 71 %Chromat. |
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In dichloromethane at 20℃; | 98% |
With 1-butyl-3-methylimidazolium hydrogen sulfate for 0.116667h; Sonication; | 94% |
TETRAHYDROPYRANE
11-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-undecanol
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In dichloromethane at 20℃; for 15h; | 98% |
TETRAHYDROPYRANE
dimethylcarbamoyl iodide
5-iodopentyl dimethylcarbamate
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; Green chemistry; | 98% |
Conditions | Yield |
---|---|
With eosin In acetone at 0 - 60℃; for 24h; Sealed tube; Inert atmosphere; Irradiation; | 98% |
With pyrene-1,6-dione at 50℃; for 24h; Irradiation; | 44% |
TETRAHYDROPYRANE
19-hydroxy-4-androstene-3,17-dione
19-(tetrahydropyran-2'-yl-oxy)-androst-4-ene-3,17-dione
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In tetrahydrofuran at 20℃; for 15h; | 97.65% |
TETRAHYDROPYRANE
Conditions | Yield |
---|---|
In hexane at 20℃; for 1h; Inert atmosphere; Schlenk technique; Glovebox; | 97.6% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In dichloromethane at 0℃; for 1.5h; | 97% |
Conditions | Yield |
---|---|
Inert atmosphere; | 97% |
TETRAHYDROPYRANE
Farnesol
2-(((2E,6E)-3,7,11-trimethyldodeca-2,6,10-trien-1-yl)oxy)tetrahydro-2H-pyran
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In dichloromethane at 20℃; for 3h; | 97% |
TETRAHYDROPYRANE
(5E,9E,13E)-15-<(tert-Butyldimethylsilyl)oxy>-6,10,14-trimethyl-5,9,13-pentadecatrien-1-yn-4-ol
(5E,9E,13E)-15-<(tert-Butyldimethylsilyl)oxy>-6,10,14-trimethyl-5,9,13-pentadecatrien-1-yn-4-ol Tetrahydropyranyl Ether
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In dichloromethane | 96% |
TETRAHYDROPYRANE
2'-O-(tetrahydro-2-pyranyl)-3',5'-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-N6-<4,4',4''-tris(benzoyloxy)trityl>adenosine
Conditions | Yield |
---|---|
With 4 A molecular sieve; trifluoroacetic acid In dichloromethane for 5h; Ambient temperature; | 96% |
TETRAHYDROPYRANE
2,3,3-trichloro-tetrahydropyran
Conditions | Yield |
---|---|
With sulfuryl dichloride; N,N-dimethyloctanamide 19 h, 64 deg C to 85 deg C and 3 h, 85 deg C to 93 deg C; | 96% |
With thionyl chloride In dichloromethane at 86℃; for 22h; Mechanism; | 94.7% |
With thionyl chloride In dichloromethane at 86℃; for 22h; | 94.5% |
Conditions | Yield |
---|---|
With tris(pentafluorophenyl)borate In dichloromethane at 20℃; for 20h; Ring cleavage; dehydrocondensation; | 96% |
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