DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:628-51-3
Min.Order:1 Kilogram
FOB Price: $3.0
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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:628-51-3
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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
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Min.Order:1 Kilogram
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inquiryMETHYLENE DIACETATE, 99 Chemical Properties Melting point −23 °C(lit.) Boiling point 164-165 °C(lit.) density 1.128 g/mL at 25 °C(lit.) refractive index n20/D 1.405(lit.) Fp 165 °F storage temp. Inert atm
Cas:628-51-3
Min.Order:1 Gram
FOB Price: $66.0
Type:Lab/Research institutions
inquiryMETHYLENE DIACETATE, 99 CAS:628-51-3 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 in
Cas:628-51-3
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
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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
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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:628-51-3
Min.Order:10 Gram
FOB Price: $100.0
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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
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
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 on.O
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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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inquiryWe 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:Pharm intermediate
bulk productionChemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical manufacturing for overseas customers, in the field of API, pharmaceutical intermediates, chemical intermediates, fine chem
Methanediol,1,1-diacetate cas 628-51-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:White powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutica
Cas:628-51-3
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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
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
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:628-51-3
Min.Order:10 Milligram
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inquiryAt Share Chemical Company, we scrupulously abide by our policy of “Excellent Quality at a Reasonable Price”. We strive to satisfy all of our customers by providing the finest quality products supported by the finest in customer servi
Aopharm is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in modes of
United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
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Min.Order:0
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Cas:628-51-3
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inquiryplease contact us to confirm the required quantity and quote, we will provide you with COA,NMR,HPLC and other relevant information Storage:Store in a cool place. Keep container tightly closed in a dry and well-ventilated place Package:as your needs A
Conditions | Yield |
---|---|
With solid-phase supported silica chloride at 20℃; for 0.166667h; Neat (no solvent); chemoselective reaction; | 90% |
dichloromethane
1-ethyl-3-methylimidazolium acetate
A
diacetoxymethane
B
1-ethyl-3-methyl-1H-imidazol-3-ium chloride
Conditions | Yield |
---|---|
at 50℃; for 16h; Inert atmosphere; | A 86% B n/a |
1-ethyl-3-methylimidazolium acetate
1,1-dibromomethane
A
diacetoxymethane
B
3-ethyl-1-methyl-1H-imidazol-3-ium bromide
Conditions | Yield |
---|---|
at 20℃; for 2h; Inert atmosphere; | A 86% B n/a |
formaldehyd
dimethylacetylene
A
diacetoxymethane
B
acetic anhydride
C
acetic acid
D
dimethylglyoxal
Conditions | Yield |
---|---|
With ozone In dichloromethane at -100℃; | A 7% B 71% C 17% D 5% |
Conditions | Yield |
---|---|
With paraformaldehyde In acetic acid | A n/a B 68% |
3-Methyl-3-buten-2-one
A
diacetoxymethane
B
acetic anhydride
C
meso-3-methyl-3-(3-methyl-1,2,4-trioxolan-3-yl)-1,2,4-trioxolane
D
acetic acid
Conditions | Yield |
---|---|
With ozone In polyethylene at -75℃; for 3.5h; | A n/a B n/a C 9% D n/a |
diazomethane
diacetoxymethane
Conditions | Yield |
---|---|
With lead(IV) acetate; benzene |
formaldehyd
bis(acetoxymethyl)ether
A
diacetoxymethane
B
bis-acetoxymethoxy-methane
C
1,7-diacetoxy-2,4,6-trioxa-heptane
Conditions | Yield |
---|---|
at 140 - 150℃; |
lead(IV) tetraacetate
acetic acid
A
acetoxyacetic acid
B
methane
C
diacetoxymethane
D
methylammonium carbonate
Conditions | Yield |
---|---|
at 120℃; |
Conditions | Yield |
---|---|
With silver(l) oxide In diethyl ether |
Conditions | Yield |
---|---|
With zinc(II) chloride |
Conditions | Yield |
---|---|
With acetic anhydride for 15h; Ambient temperature; | 4 % Spectr. |
3-Methyl-3-buten-2-one
A
diacetoxymethane
B
acetic anhydride
C
acetic acid
D
dimethylglyoxal
Conditions | Yield |
---|---|
With ozone In dichloromethane-d2 at -78℃; Title compound not separated from byproducts; | A 2 % Spectr. B 60 % Spectr. C 15 % Spectr. D 9 % Spectr. |
3-Methyl-3-buten-2-one
A
diacetoxymethane
B
acetic anhydride
C
meso-3-methyl-3-(3-methyl-1,2,4-trioxolan-3-yl)-1,2,4-trioxolane
D
dimethylglyoxal
Conditions | Yield |
---|---|
With ozone In polyethylene at -75℃; for 4h; Further byproducts given; | A 6 % Spectr. B 58 % Spectr. C 8 % Spectr. D 1 % Spectr. |
4-propenyl-1,3-dioxane, E-isomer
acetic anhydride
A
diacetoxymethane
B
1,5-diacetoxy-3-hexene
C
1,3-diacetoxy-4-hexene
Conditions | Yield |
---|---|
With sulfuric acid at 65 - 75℃; for 2.5h; Title compound not separated from byproducts; | A 2.0 g B n/a C n/a |
Conditions | Yield |
---|---|
With oxygen In N,N-dimethyl-formamide Product distribution; electrolysis; | A 0.04 % Chromat. B 0.14 % Chromat. |
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; oxygen In N,N-dimethyl-formamide Hg cathode, Pt anode, -1.0 V vs SCE; Yield given; |
2-Methoxypropene
dimethylglyoxal
A
diacetoxymethane
B
acetic anhydride
C
meso-3-methyl-3-(3-methyl-1,2,4-trioxolan-3-yl)-1,2,4-trioxolane
Conditions | Yield |
---|---|
With ozone In pentane at -78℃; | A 22 % Spectr. B 39 % Spectr. C 12 % Spectr. |
Conditions | Yield |
---|---|
bei Siedetemperatur; |
Conditions | Yield |
---|---|
at 130℃; |
sulfuric acid
acetic anhydride
A
diacetoxymethane
B
bis(acetoxymethyl)ether
Conditions | Yield |
---|---|
at 200℃; |
Conditions | Yield |
---|---|
bei Siedetemperatur; |
Conditions | Yield |
---|---|
at 100℃; |
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid bei Siedetemperatur; |
diacetoxymethane
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In acetic acid at 80℃; for 1h; | 95% |
diacetoxymethane
rac-(E)-1,3-diphenyl-3-acetoxy-prop-1-ene
dimethyl 2-[(E)-(S)-1,3-diphenylallyl]-malonate
Conditions | Yield |
---|---|
With N,O-bis-(trimethylsilyl)-acetamide; (1R,2S)-2-dimethylamino-1-(ferrocenylthio)-1-phenylpropane; potassium acetate In dichloromethane at 20℃; for 20h; | 88% |
Conditions | Yield |
---|---|
With solid-phase supported silica chloride In methanol at 20℃; for 0.5h; | 88% |
diacetoxymethane
rac-(E)-1,3-diphenyl-3-acetoxy-prop-1-ene
(R)-methyl 2-carbomethoxy-3,5-diphenylpent-4-enoate
Conditions | Yield |
---|---|
With N,O-bis-(trimethylsilyl)-acetamide; (S)-2-benzylideneamino)-1-(ferrocenylthio)-3-methylbutane; potassium acetate In dichloromethane at 20℃; for 90h; | 85% |
Conditions | Yield |
---|---|
With boron trifluoride at -78 - 20℃; Prins reaction; | 84% |
Conditions | Yield |
---|---|
With piperazine; dodecylbenzene-sulphonic acid at 120 - 130℃; for 2h; | 84% |
Conditions | Yield |
---|---|
With N,N-dimethylmethyleneammonium ion; dodecylbenzene-sulphonic acid at 120 - 130℃; for 2h; | 83% |
Conditions | Yield |
---|---|
With boron trifluoride; tetrabutylammomium bromide at -78 - 20℃; | 82% |
Conditions | Yield |
---|---|
With trimethylsilyl bromide; zinc(II) chloride Ambient temperature; | 81% |
Conditions | Yield |
---|---|
With boron trifluoride at -78 - 20℃; Prins reaction; | 79% |
Conditions | Yield |
---|---|
With boron trifluoride at -78 - 20℃; Prins reaction; | 79% |
1-bromo-4-ethenyl-benzene
diacetoxymethane
(+/-)-3-chloro-3-(4-bromophenyl)propan-1-ol
Conditions | Yield |
---|---|
With boron trifluoride at -78 - 20℃; Prins reaction; | 79% |
Conditions | Yield |
---|---|
With boron trifluoride at -78 - 20℃; Prins reaction; | 76% |
1-ethenyl-4-methylbenzene
diacetoxymethane
3-chloro-3-p-tolylpropan-1-ol
Conditions | Yield |
---|---|
With boron trifluoride at -78 - 20℃; Prins reaction; | 71% |
diacetoxymethane
cyanoacetic acid 6-(2-cyanoacetoxy)hexyl ester
Conditions | Yield |
---|---|
With 2,2'-dihydroxy-5,5'-dimethyl-3,3'-di-tert-burtyl-1,1'-diphenylmethane; dodecylbenzene-sulphonic acid; (RS)-2-methylpiperazine at 110℃; for 2h; | 71% |
Conditions | Yield |
---|---|
With 1,3,5-trimethyl-1,3,5-triazacyclohexane; 2,6-di-tert-butyl-4-methyl-phenol; dodecylbenzene-sulphonic acid at 125℃; | 70% |
diacetoxymethane
N,N'-ethanediyl-bis-benzamide
1,3-dibenzoyl-imidazolidine
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In acetic acid at 80℃; for 3h; | 67% |
diacetoxymethane
Conditions | Yield |
---|---|
With dodecylbenzene-sulphonic acid; (RS)-2-methylpiperazine at 120 - 130℃; for 2h; | 66% |
diacetoxymethane
2-But-3-enyl-2-(5-hydroxy-4-oxo-4H-pyran-2-ylmethyl)-malonic acid dimethyl ester
(1R,6R,8S)-10-Acetoxy-9-oxo-12-oxa-tricyclo[6.3.1.01,6]dodec-10-ene-3,3-dicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
at 110℃; for 48h; | 65% |
Conditions | Yield |
---|---|
With boron trifluoride at -78 - 20℃; Prins reaction; | 63% |
Conditions | Yield |
---|---|
With boron trifluoride at -78 - 20℃; Prins reaction; | 62% |
Conditions | Yield |
---|---|
With boron trifluoride at -78 - 20℃; Prins reaction; | 59% |
Conditions | Yield |
---|---|
With boron trifluoride at -78 - 20℃; Prins reaction; | 47% |
Conditions | Yield |
---|---|
With boron trifluoride at -78 - 20℃; Prins reaction; | 45% |
Conditions | Yield |
---|---|
With boron trifluoride at -78 - 20℃; Prins reaction; | 44% |
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