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:2081-44-9
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:2081-44-9
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryHigh quality Tetrahydro-4-pyranol Cas 2081-44-9 with steady supply Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed ad
Cas:2081-44-9
Min.Order:10 Kilogram
FOB Price: $10.0
Type:Trading Company
inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
The 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
Our 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
Cas:2081-44-9
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/1149.html Product Name Tetrahydro-4-pyranol CAS No. 2081-44-9
Cas:2081-44-9
Min.Order:1 Gram
FOB Price: $66.0
Type:Lab/Research institutions
inquiryOur advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be
Cas:2081-44-9
Min.Order:1 Kilogram
FOB Price: $1.5 / 3.0
Type:Trading Company
inquiryOur 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 on.O
Cas:2081-44-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:2081-44-9
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct Name: Tetrahydro-4-pyranol Synonyms: 2H-PYRAN-4-OL, TETRAHYDRO;4-HYDROXYTETRAHYDROPYRAN;TETRAHYDRO-2H-PYRAN-4-OL;TETRAHYDRO-4H-PYRAN-4-OL;TETRAHYDRO-4-PYRANOL;Tetrahydropyran-4-ol;POH;4-HYDROXYTETRA
Cas:2081-44-9
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
Type:Other
inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:2081-44-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: Tetrahydro-4-pyranol CAS: 2081-44-9 MF: C5H10O2 MW: 102.13 EINECS: 218-210-8 Mol File: 2081-44-9.mol Tetrahydro-4-pyranol Structure Tetrahydro-4-pyranol Chemical Properties Boiling point 87 °C/15 mmHg (lit.)
Cas:2081-44-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryTetrahydro-4-pyranol CAS:2081-44-9 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 quality organic inter
Cas:2081-44-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:2081-44-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:2081-44-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:2081-44-9
Min.Order:1 Kilogram
FOB Price: $80.0 / 120.0
Type:Lab/Research institutions
inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Service 1.Own made fine chemical products 2.Out sourcing and qua
Cas:2081-44-9
Min.Order:100 Gram
Negotiable
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:2081-44-9
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
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
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff
Cas:2081-44-9
Min.Order:100 Gram
Negotiable
Type:Other
inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:2081-44-9
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:2081-44-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
factory?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
Cas:2081-44-9
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
Hangzhou Fandachem Co.,Ltd, a China-based chemical company, specialize in exporting Tetrahydro-4-pyranol,cas:2081-44-9, Please contact us by email freely. We are leading exporter in China. If you really need this cargo, please do not h
Cas:2081-44-9
Min.Order:1 Metric Ton
Negotiable
Type:Other
inquiryTetrahydro-4H-pyran-4-one
Tetrahydro-pyran-4-ol
Conditions | Yield |
---|---|
Stage #1: Tetrahydro-4H-pyran-4-one With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 0.5h; Stage #2: With sodium hydroxide In tetrahydrofuran; water | 99% |
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 5℃; for 3h; | 96% |
With C15H18BF3; hydrogen; tert-butylimino-tri(pyrrolidino)phosphorane In tetrahydrofuran at 75℃; under 75007.5 Torr; for 40h; Glovebox; | 93% |
Conditions | Yield |
---|---|
Stage #1: 1,3,5-Trioxan; homoalylic alcohol With formic acid at 80℃; for 4h; Stage #2: With isopropyl alcohol; methanesulfonic acid at 64℃; Product distribution / selectivity; | 84% |
Stage #1: 1,3,5-Trioxan; homoalylic alcohol With formic acid at 80℃; for 4 - 12.5h; Stage #2: With ethanol; methanesulfonic acid at 20 - 64℃; Product distribution / selectivity; | 81% |
Stage #1: 1,3,5-Trioxan; homoalylic alcohol With formic acid at 80℃; for 4h; Stage #2: With methanol; methanesulfonic acid at 64℃; Product distribution / selectivity; | 79% |
formaldehyd
propene
A
4-methyl-1,3-dioxane
B
Tetrahydro-pyran-4-ol
C
1.3-butanediol
Conditions | Yield |
---|---|
With cerium(IV) oxide Reagent/catalyst; | A 26% B 11% C 60% |
Conditions | Yield |
---|---|
With indium(III) bromide; 1,1,3,3-Tetramethyldisiloxane In toluene at 60℃; for 1h; Inert atmosphere; | 17% |
Conditions | Yield |
---|---|
With nickel Hydrogenation; | |
Multi-step reaction with 2 steps 1: Raney nickel; ethanol / Hydrogenation.bei Raumtemperatur unter Normaldruck 2: Raney nickel / Hydrogenation View Scheme |
Conditions | Yield |
---|---|
With sulfuric acid; water |
formaldehyd
homoalylic alcohol
A
Tetrahydro-pyran-4-ol
B
2-[1,3]dioxan-4-yl-ethanol
Conditions | Yield |
---|---|
With sulfuric acid |
(1SR,6RS)-3,7-dioxa-bicyclo[4.1.0]heptane
A
Oxan-3-ol
B
Tetrahydro-pyran-4-ol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In pentane for 4h; Ambient temperature; |
Tetrahydro-pyran-4-ol
Conditions | Yield |
---|---|
With water; platinum Hydrogenation; |
Conditions | Yield |
---|---|
at 110℃; under 36775.4 Torr; Hydrogenation; |
4-pyrone
ethanol
A
Tetrahydro-pyran-4-ol
B
Tetrahydro-4H-pyran-4-one
Conditions | Yield |
---|---|
at 120℃; under 73550.8 - 147102 Torr; Hydrogenation; |
tetrahydro-2H-pyran-4-carboxylic acid
water
A
Tetrahydro-pyran-4-ol
B
octahydro-[4,4']bipyranyl
Conditions | Yield |
---|---|
Anodischen Oxydation des Kalium-Salzes; |
formaldehyd
homoalylic alcohol
sulfuric acid
A
Tetrahydro-pyran-4-ol
B
2-[1,3]dioxan-4-yl-ethanol
formaldehyd
homoalylic alcohol
sulfuric acid
water
A
Tetrahydro-pyran-4-ol
B
2-[1,3]dioxan-4-yl-ethanol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: copper-powder / 350 °C 2: Raney nickel; ethanol / Hydrogenation.bei Raumtemperatur unter Normaldruck 3: Raney nickel / Hydrogenation View Scheme |
2,4,6-trioxo-heptanedioic acid diethyl ester
Tetrahydro-pyran-4-ol
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: concentrated aqueous hydrochloric acid 2: copper-powder / 350 °C 3: Raney nickel; ethanol / Hydrogenation.bei Raumtemperatur unter Normaldruck 4: Raney nickel / Hydrogenation View Scheme |
TETRAHYDROPYRANE
A
2-methyltetrahydrofuran
B
Tetrahydro-pyran-4-ol
C
4-butanolide
D
3,4,5,6-tetrahydro-2H-pyran-2-one
E
Tetrahydro-4H-pyran-4-one
F
3-chloropropyl formate
Conditions | Yield |
---|---|
With clorine at 24.84℃; under 800 Torr; Kinetics; Inert atmosphere; Gas phase; |
formaldehyd
propene
A
Tetrahydro-pyran-4-ol
B
dihydropyran
C
homoalylic alcohol
D
butyraldehyde
Conditions | Yield |
---|---|
With zeolite Zn/H-beta In 1,4-dioxane at 119.84℃; for 2.5h; Catalytic behavior; Reagent/catalyst; Temperature; |
formaldehyd
propene
A
4-methyl-1,3-dioxane
B
Tetrahydro-pyran-4-ol
C
dihydropyran
D
homoalylic alcohol
E
butyraldehyde
Conditions | Yield |
---|---|
With zeolite Zn/H-beta In 1,4-dioxane at 119.84℃; for 2.5h; Catalytic behavior; Reagent/catalyst; Temperature; |
Tetrahydro-pyran-4-ol
methanesulfonyl chloride
4-oxanyl methanesulfonate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; for 2.5h; | 100% |
With triethylamine In dichloromethane at 0 - 20℃; for 2.5h; | 100% |
With triethylamine In dichloromethane at 0℃; for 1.5h; | 100% |
Tetrahydro-pyran-4-ol
6-ethyl-5-hydroxyindan-1-one
6-ethyl-5-(tetrahydro-2H-pyran-4-yloxy)indan-1-one
Conditions | Yield |
---|---|
With di-tert-butyl-diazodicarboxylate; PS-triphenylphosphine In tetrahydrofuran | 100% |
Tetrahydro-pyran-4-ol
methyl 4-hydroxycinnamate
methyl 4-(tetrahydro-4H-pyran-4-yloxy)cinnamate
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 25h; Ultrasonification; | 100% |
Tetrahydro-pyran-4-ol
1-[3-(5-chloro-thiophen-2-yl)-4-fluoro-phenyl]-ethanone
1-[3-(5-chloro-thiophen-2-yl)-4-(tetrahydro-pyran-4-yloxy)-phenyl]-ethanone
Conditions | Yield |
---|---|
Stage #1: Tetrahydro-pyran-4-ol With sodium hydride In dimethyl sulfoxide at 0 - 10℃; for 0.5h; Stage #2: 1-[3-(5-chloro-thiophen-2-yl)-4-fluoro-phenyl]-ethanone In dimethyl sulfoxide at 20℃; for 1h; | 100% |
Tetrahydro-pyran-4-ol
(2-hydroxy-5-nitrophenoxy)acetic acid ethyl ester
C15H19NO7
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 3h; Mitsunobu reaction; | 100% |
Tetrahydro-pyran-4-ol
2,6-dinitrobenzonitrile
2-nitro-6-(tetrahydro-2H-pyran-4-yloxy)benzonitrile
Conditions | Yield |
---|---|
100% |
Tetrahydro-pyran-4-ol
Conditions | Yield |
---|---|
Stage #1: Tetrahydro-pyran-4-ol With sodium hydride In tetrahydrofuran at 20℃; for 0.5h; Stage #2: 2,6-dichloro-4-(pyrrolidin-1-yl)pyrido[3,4-d]pyrimidine In tetrahydrofuran at 20℃; for 2h; | 100% |
Tetrahydro-pyran-4-ol
2-Chloro-3-nitropyridine
3-nitro-2-(tetrahydropyran-4-oxy)pyridine
Conditions | Yield |
---|---|
Stage #1: Tetrahydro-pyran-4-ol With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 0.5h; Stage #2: 2-Chloro-3-nitropyridine In tetrahydrofuran; mineral oil at 20℃; | 100% |
Tetrahydro-pyran-4-ol
bis(trichloromethyl) carbonate
tetrahydro-2H-pyran-4-yl carbonochloridate
Conditions | Yield |
---|---|
Stage #1: bis(trichloromethyl) carbonate With pyridine In tetrahydrofuran for 0.166667h; Cooling with ice; Stage #2: Tetrahydro-pyran-4-ol In tetrahydrofuran at 20℃; for 1h; | 99% |
With pyridine In dichloromethane at 20℃; for 3h; | 90% |
With pyridine In dichloromethane at 0 - 20℃; for 2h; | 86% |
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; for 0.5h; Green chemistry; | 99% |
Tetrahydro-pyran-4-ol
2,2-Dimethylpropanoyl iodide
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; for 0.5h; Green chemistry; | 99% |
Tetrahydro-pyran-4-ol
2,3-difluorobenzonitrile
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; Inert atmosphere; | 98% |
Tetrahydro-pyran-4-ol
phosgene
tetrahydro-2H-pyran-4-yl carbonochloridate
Conditions | Yield |
---|---|
In dichloromethane; toluene at 20℃; for 18h; | 98% |
Tetrahydro-pyran-4-ol
Conditions | Yield |
---|---|
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran at 20℃; Mitsunobu Displacement; Inert atmosphere; | 98% |
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran at 20℃; Inert atmosphere; | 98% |
Tetrahydro-pyran-4-ol
Conditions | Yield |
---|---|
Stage #1: Tetrahydro-pyran-4-ol With sodium hydride In N,N-dimethyl-formamide at 20℃; for 0.166667h; Stage #2: N-(3-(trifluoromethyl)benzyl)-2-(5-fluoro-2-nitrophenyl)isonicotinamide In N,N-dimethyl-formamide at 80℃; for 2h; | 97% |
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran at 20℃; for 16h; | 97% |
Tetrahydro-pyran-4-ol
5-bromo-2-hydroxybenzonitrile
5-bromo-2-((tetrahydro-2H-pyran-4-yl)oxy)benzonitrile
Conditions | Yield |
---|---|
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran at 20℃; for 18h; | 96% |
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran at 20℃; for 18h; | 96% |
Tetrahydro-pyran-4-ol
4-hydroxy-3-(trifluoromethyl)benzonitrile
4-(tetrahydro-2H-pyran-4-yloxy)-3-(trifluoromethyl)benzonitrile
Conditions | Yield |
---|---|
With di-tert-butyl-diazodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; | 96% |
With di-tert-butyl-diazodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; | 96% |
Tetrahydro-pyran-4-ol
Conditions | Yield |
---|---|
With diisopropyl (E)-azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; Inert atmosphere; | 96% |
Tetrahydro-pyran-4-ol
4-bromo-2-chlorophenol
4-(4-bromo-2-chlorophenoxy)tetrahydropyrane
Conditions | Yield |
---|---|
With di-tert-butyl-diazodicarboxylate In dichloromethane at 0 - 20℃; for 2h; | 95% |
With di-tert-butyl-diazodicarboxylate In dichloromethane at 0 - 20℃; for 2h; Mitsunobu reaction; | 95% |
With di-tert-butyl-diazodicarboxylate In dichloromethane at 0 - 20℃; for 2.08333h; Mitsunobu reaction; | 95% |
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; for 0.5h; Green chemistry; | 95% |
Tetrahydro-pyran-4-ol
2,2-Dimethylpropanoyl iodide
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; for 0.5h; Green chemistry; | 95% |
Conditions | Yield |
---|---|
Stage #1: Tetrahydro-pyran-4-ol With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; for 0.25h; Inert atmosphere; Stage #2: 4-chloroquinoline In N,N-dimethyl-formamide; mineral oil at 50℃; for 5h; Inert atmosphere; | 95% |
Tetrahydro-pyran-4-ol
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 72h; | 94% |
Tetrahydro-pyran-4-ol
3,5-dimethoxy-4-hydroxybenzonitrile
3,5-dimethoxy-4-(4-tetrahydropyranyloxy)benzonitrile
Conditions | Yield |
---|---|
With di-tert-butyl-diazodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; | 94% |
Stage #1: Tetrahydro-pyran-4-ol; 3,5-dimethoxy-4-hydroxybenzonitrile With di-tert-butyl-diazodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; Stage #2: With formic acid at 50℃; for 2h; | 94% |
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 20℃; for 3h; Inert atmosphere; Schlenk technique; | 94% |
Tetrahydro-pyran-4-ol
1-bromo-4-methoxy-benzene
4-(4-methoxyphenoxy)-tetrahydro-2H-pyran
Conditions | Yield |
---|---|
With copper(l) iodide; N1, N2-diphenethyloxalamide; sodium t-butanolate In 1,4-dioxane for 24h; Schlenk technique; Inert atmosphere; Molecular sieve; Heating; | 94% |
Tetrahydro-pyran-4-ol
p-toluenesulfonyl chloride
toluene-4-sulfonic acid tetrahydropyran-4-yl ester
Conditions | Yield |
---|---|
Stage #1: Tetrahydro-pyran-4-ol With trimethylamine hydrochloride; triethylamine In dichloromethane at 20℃; for 0.166667h; Stage #2: p-toluenesulfonyl chloride In dichloromethane at 0 - 20℃; for 17h; | 93% |
Stage #1: Tetrahydro-pyran-4-ol With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 1h; Stage #2: p-toluenesulfonyl chloride In tetrahydrofuran; mineral oil at 20℃; for 15h; | 92% |
With pyridine; dmap In dichloromethane for 168h; | 90% |
Tetrahydro-pyran-4-ol
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid In dichloromethane at 20℃; for 24h; Molecular sieve; Inert atmosphere; Cooling with ice; | 93% |
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