As 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 ch
Cas:4454-05-1
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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:4454-05-1
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inquiry3,4-DIHYDRO-2-METHOXY-2H-PYRAN Basic information Product Name: 3,4-DIHYDRO-2-METHOXY-2H-PYRAN Synonyms: 2,3-Dihydro-2-methoxy-4H-pyran;3,4-dihydro-2-methoxy-2h-pyra
3,4-Dihydro-2-Methoxy-2H-Pyran Cas No.:4454-05-1 Molecular Structure: EINECS No.: 224-698-3 Molecular Formula: C6H10O2 M.W: 114.14 Properties: 1) Appearance: Colorless to light yellow transparent liquid 2) B.P: 126°C 3) Flash poin
Cas:4454-05-1
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FOB Price: $2.0 / 3.0
Type:Manufacturers
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
Cas:4454-05-1
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inquiryOur advantage: 1: High quality and Competitive price 2: Quality control, GC&HPLC&NMR or as your requested 3: Packing as your requested, and double check before shipment 4: Prompt shipment with professional documents 5: Excellent after-
Cas:4454-05-1
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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:4454-05-1
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FOB Price: $139.0 / 210.0
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inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:4454-05-1
Min.Order:10 Kilogram
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Type:Trading Company
inquiryProduct name 3,4-DIHYDRO-2-METHOXY-2H-PYRAN CAS NO. 4454-05-1 Other names DL-MANDELSAEURE S; 3,4-DIHYDRO-2-METHOXY-2H-PYRAN(A
Cas:4454-05-1
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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:4454-05-1
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inquiry3,4-DIHYDRO-2-METHOXY-2H-PYRAN CAS:4454-05-1 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 or
Cas:4454-05-1
Min.Order:1 Gram
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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:4454-05-1
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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
Cas:4454-05-1
Min.Order:0
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Type:Lab/Research institutions
inquiry1. 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
Cas:4454-05-1
Min.Order:1 Kilogram
FOB Price: $20.0 / 40.0
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:4454-05-1
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inquiryOur Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
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inquiryour strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery
Cas:4454-05-1
Min.Order:1 Gram
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Type:Other
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
Cas:4454-05-1
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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:4454-05-1
Min.Order:10 Gram
FOB Price: $100.0
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inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:4454-05-1
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
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inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Cas:4454-05-1
Min.Order:10 Gram
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inquiryProduct name: 3,4-Dihydro-2-Methoxy-2H-Pyran CAS No.:4454-05-1 Molecule Formula:C6H10O2 Molecule Weight:114.14 Purity: 98.0% Package: 200kg/drum Description:Colorless or yellowish clear liquid Manufacture Standards:Enterprise Standard
Cas:4454-05-1
Min.Order:1 Kilogram
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Type:Trading Company
inquiry3,4-Dihydro-2-methyl-pyran Boiling point 126 ° C Density 1.006 g / mL at 25 ° C (lit.) Refractive index 1.441-1.443 Flash point 16 ° C Storage conditions Flammables are
Cas:4454-05-1
Min.Order:100 Gram
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Type:Lab/Research institutions
inquiryShandong Mopai Biotechnology 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 chemicals. W
Cas:4454-05-1
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inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:4454-05-1
Min.Order:1 Metric Ton
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inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Cas:4454-05-1
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inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:4454-05-1
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inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:4454-05-1
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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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Cas:4454-05-1
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Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With 2,6-di-tert-butyl-4-methyl-phenol at 135℃; under 22502.3 Torr; for 12h; Product distribution / selectivity; | 92% |
With 2,6-di-tert-butyl-4-methyl-phenol at 135℃; for 12h; Product distribution / selectivity; | 77% |
With hydroquinone | |
at 135℃; |
methoxyethene
hydroquinone
acrolein
2-methoxy-3,4-dihydro-2H-pyran
Conditions | Yield |
---|---|
at 135℃; | |
at 180℃; |
Conditions | Yield |
---|---|
at 180℃; |
methanol
cyclopentene
A
2-methoxy-3,4-dihydro-2H-pyran
B
methyl 4-formylbutanoate
C
methyl 5,5-dimethoxyvalerate
D
Dimethyl glutarate
E
1,1,5,5-tetramethoxy-pentane
F
Glutaraldehyde
Conditions | Yield |
---|---|
With hydrogenchloride; ozone Product distribution; Mechanism; -78 deg to r.t.; | A n/a B 2 % Chromat. C 46 % Chromat. D 23 % Chromat. E 27 % Chromat. F 1 % Chromat. G n/a |
2-methoxy-3,4-dihydro-2H-pyran
trifluoroacetic anhydride
2,2,2-trifluoro-1-(2-methoxy-3,4-dihydro-2H-5-pyranyl)-2,2,2-trifluoro-1-ethanone
Conditions | Yield |
---|---|
With pyridine In chloroform for 18h; Ambient temperature; | 100% |
With pyridine In dichloromethane at 0 - 20℃; for 16h; Inert atmosphere; | 80% |
With pyridine In chloroform at 0 - 25℃; for 16h; |
Conditions | Yield |
---|---|
With hydrogen; palladium on activated carbon at 20℃; under 6000.6 - 15001.5 Torr; for 1.5h; Product distribution / selectivity; | 96% |
Conditions | Yield |
---|---|
With sodium dihydrogenphosphate In water at 20 - 92℃; under 150.015 Torr; Temperature; Large scale; | 95.4% |
With cation-exchange resin KU-2 and KU-2-8 In water at 20 - 30℃; | 40% |
With water at 150℃; |
Conditions | Yield |
---|---|
With hydrogenchloride at -10℃; for 1.5h; | 91% |
With hydrogenchloride |
2-methoxy-3,4-dihydro-2H-pyran
allyl bromide
4,8-dihydroxy-1,10-undecanediene
Conditions | Yield |
---|---|
With tin; water at 20℃; | 89% |
Conditions | Yield |
---|---|
In benzene | 87.4% |
Conditions | Yield |
---|---|
dirhodium tetraacetate at 85℃; for 2h; | 87% |
2-methoxy-3,4-dihydro-2H-pyran
(E)-5-methoxypent-4-en-1-ol
Conditions | Yield |
---|---|
With sodium tetrahydroborate; thallium(III) nitrate In methanol | 85% |
2-methoxy-3,4-dihydro-2H-pyran
4-nitrobutyraldehyde
Conditions | Yield |
---|---|
Stage #1: 2-methoxy-3,4-dihydro-2H-pyran With nitric acid; acetic anhydride at -30 - 0℃; for 0.5h; Inert atmosphere; Schlenk technique; Stage #2: With pyridine In water at 20℃; for 24h; Inert atmosphere; Schlenk technique; | 85% |
2-methoxy-3,4-dihydro-2H-pyran
6(R)-methoxy-3(S)-hydroxy-tetrahydro-2H-pyran
Conditions | Yield |
---|---|
Stage #1: 2-methoxy-3,4-dihydro-2H-pyran With dimethylsulfide borane complex In tetrahydrofuran at 0 - 23℃; for 24h; Stage #2: With sodium hydroxide; dihydrogen peroxide In tetrahydrofuran at 0 - 23℃; for 48h; Further stages.; | 82% |
With sodium perborate; borane 1) THF; Multistep reaction; | |
With sodium hydroxide; dihydrogen peroxide; bis-(1,2-dimethylpropyl)borane 1.) THF, 0 deg C, 48 h, 2.) 55 deg C, 1 h; Yield given. Multistep reaction; | |
Stage #1: 2-methoxy-3,4-dihydro-2H-pyran With dimethylsulfide borane complex In tetrahydrofuran for 24h; Stage #2: With dihydrogen peroxide; sodium hydroxide for 48h; |
2-methoxy-3,4-dihydro-2H-pyran
Conditions | Yield |
---|---|
Stage #1: 2-methoxy-3,4-dihydro-2H-pyran With nitric acid; acetic anhydride at -30 - 0℃; Inert atmosphere; Stage #2: With triethylamine In dichloromethane at 20℃; Inert atmosphere; | 82% |
2-methoxy-3,4-dihydro-2H-pyran
monomethyl monopotassium malonate
Conditions | Yield |
---|---|
With ammonium cerium(IV) nitrate In acetonitrile at 5 - 10℃; for 2h; Irradiation; | 81% |
2-methoxy-3,4-dihydro-2H-pyran
4-toluenesulfonyl azide
carbon monoxide
3,4-dihydro-2-methoxy-N-<(4-methylphenyl)sulfonyl>-2H-pyran-5-carboxamide
Conditions | Yield |
---|---|
With palladium diacetate In acetonitrile at 80℃; under 760.051 Torr; for 12h; Schlenk technique; | 80% |
2-methoxy-3,4-dihydro-2H-pyran
1,3-diacetyl-2,3-dihydro-1H-imidazol-2-one
1,3-Diacetyl-5-methoxy-octahydro-4-oxa-1,3-diaza-cyclopenta[3,4]cyclobuta[1,2]benzen-2-one
Conditions | Yield |
---|---|
In acetone Ambient temperature; Irradiation; | 79% |
2-methoxy-3,4-dihydro-2H-pyran
N-(4-fluorobenzyl)-4-methyl-N-(propa-1,2-dien-1-yl)benzenesulfonamide
(Z)-N-(4-fluorobenzyl)-N-((3-methoxy-2-oxabicyclo[4.2.0]octan-8-ylidene)methyl)-4-methylbenzenesulfonamide
Conditions | Yield |
---|---|
With silver hexafluoroantimonate; 2-(di-tert-butylphosphino)-1,1'-biphenylgold(I) chloride In dichloromethane at 20℃; Inert atmosphere; Molecular sieve; | 79% |
2-methoxy-3,4-dihydro-2H-pyran
1,3-diacetyl-2,3-dihydro-1H-imidazol-2-one
9,11-diacetyl-4-methoxy-3-oxa-9,11-diazatricyclo<6.3.0.02.7>undecan-10-one
Conditions | Yield |
---|---|
In acetone for 10h; Irradiation; | 77% |
2-methoxy-3,4-dihydro-2H-pyran
methyl coumalate
methyl 3-(3-oxopropyl)benzoate
Conditions | Yield |
---|---|
In toluene at 200℃; for 16h; Inert atmosphere; | 77% |
2-methoxy-3,4-dihydro-2H-pyran
6(R)-methoxy-3(S)-hydroxy-tetrahydro-2H-pyran
Conditions | Yield |
---|---|
With sodium hydroxide; dihydrogen peroxide In tetrahydrofuran | 72% |
2-methoxy-3,4-dihydro-2H-pyran
1,2,4,5-tetrazine-3,6-dicarboxylic acid dimethyl ester
C11H12N2O5
Conditions | Yield |
---|---|
In 1,4-dioxane at 20℃; for 0.0833333h; | 71% |
2-methoxy-3,4-dihydro-2H-pyran
Benzenesulfinic acid
trans-2-(benzenesulphonyl)tetrahydro-6-methoxy-2H-pyran
cis-2-(benzenesulphonyl)tetrahydro-6-methoxy-2H-pyran
Conditions | Yield |
---|---|
In dichloromethane for 2h; Ambient temperature; | A 66% B 9% |
2-methoxy-3,4-dihydro-2H-pyran
Tosyl isocyanate
3,4-dihydro-2-methoxy-N-<(4-methylphenyl)sulfonyl>-2H-pyran-5-carboxamide
Conditions | Yield |
---|---|
In tetrahydrofuran 1. 3- 5 deg C 2. 48 h, room temperature; | 65% |
2-methoxy-3,4-dihydro-2H-pyran
3-(p-toluenesulfonyl)-4-vinylideneoxaolidin-2-one
Conditions | Yield |
---|---|
at 80℃; for 6h; | 65% |
2-methoxy-3,4-dihydro-2H-pyran
triethyl 1,2,4-triazine-3,5,6-tricarboxylate
Conditions | Yield |
---|---|
In chloroform Heating; | 61% |
Conditions | Yield |
---|---|
With Amberlyst-15 In neat (no solvent) at 80℃; for 4h; Inert atmosphere; Green chemistry; | 60% |
Conditions | Yield |
---|---|
In toluene at 130℃; under 6000480 Torr; for 20h; | A 30% B 59% |
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