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
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inquiry1.In No Less 10 years exporting experience. you 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 Specializ
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inquiryPROPIONALDEHYDE DIETHYL ACETAL CAS:4744-08-5 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 org
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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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inquiryBoiling point 122.8 °C(lit.) density 0.815 g/mL at 25 °C
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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
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inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
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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
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
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inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
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inquiry1,we produce and sell good chemicals around the world.2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%.3,our staff consists of highly qualified in
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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
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inquiryAmoychem 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
Propionaldehyde diethyl acetal cas 4744-08-5Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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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
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inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
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
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Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
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inquiryConditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In n-heptane at 100℃; under 67506.8 Torr; Temperature; | 98.6% |
Conditions | Yield |
---|---|
In dichloromethane at -20 - 20℃; | 98% |
In hexane at 35 - 40℃; | 78% |
Conditions | Yield |
---|---|
With copper(l) chloride In cyclohexane at 45 - 65℃; for 12h; Temperature; | 91% |
Conditions | Yield |
---|---|
With ammonium nitrate In ethanol at 20 - 36℃; | 81.6% |
Stage #1: propionaldehyde; orthoformic acid triethyl ester With ammonium nitrate; ethanol at 20 - 36℃; Stage #2: With sodium carbonate In water at 20℃; pH=7.5; | 81.6% |
With sulfuric acid |
1,1-diethoxypropane
Conditions | Yield |
---|---|
With water In tetrahydrofuran at -78 - 20℃; for 2h; | 80% |
With water In tetrahydrofuran at -78 - 20℃; for 2h; Product distribution; also other electrophiles (D2O, (PhCH2)2S2, n-C3H7CHO, PhCHO, n-C7H15CHO, PhCH=NPh); | 80% |
Conditions | Yield |
---|---|
With calcium chloride at 25 - 35℃; for 10h; Temperature; | 78.8% |
With hydrogenchloride | |
With hydrogenchloride at 25℃; Gleichgewicht der Reaktion; |
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In n-heptane at 150℃; under 67506.8 Torr; Temperature; | A 63% B 36.9% |
Conditions | Yield |
---|---|
In diethyl ether at 20℃; for 4h; | 53% |
(E)-1-ethoxyprop-1-ene
A
(Z)-1-ethoxyprop-1-ene
B
1,1-diethoxypropane
C
propionaldehyde
Conditions | Yield |
---|---|
(sulphos)Rh(CO)2 In 1,2-dichloro-ethane at 100℃; for 1h; | A 22% B 31% C 14% |
Conditions | Yield |
---|---|
With Fuller's Earth |
Conditions | Yield |
---|---|
With ethanol; phosphoric acid |
ethylmagnesium bromide
orthoformic acid triethyl ester
1,1-diethoxypropane
Conditions | Yield |
---|---|
With diethyl ether Hydrolyse mit verduennter Essigsaeure und sofortige Neutralisation; |
(E)-3-Ureido-but-2-enoic acid ethyl ester
orthoformic acid triethyl ester
acetylene
A
malondialdehyde bis(diethyl acetal)
B
1,1-diethoxypropane
C
1,1,4,4-tetraethoxy-2-butyne
Conditions | Yield |
---|---|
under 8826.09 - 12503.6 Torr; | |
at 170℃; under 8826.09 - 12503.6 Torr; |
Conditions | Yield |
---|---|
With hydrogen; dicobalt octacarbonyl |
n-propylmagnesium bromide
orthoformic acid triethyl ester
1,1-diethoxypropane
Conditions | Yield |
---|---|
In diethyl ether |
3-chloro-1,1-diethoxy-propane
1,1-diethoxypropane
Conditions | Yield |
---|---|
With water; naphthalen-1-yl-lithium 1.) THF, -78 deg C, 6 h, 2.) 20 deg C, 2 h; Yield given. Multistep reaction; | |
Multi-step reaction with 2 steps 1: lithium naphthalenide / tetrahydrofuran / 6 h / -78 °C 2: 80 percent / H2O / tetrahydrofuran / 2 h / -78 - 20 °C / also other electrophiles (D2O, (PhCH2)2S2, n-C3H7CHO, PhCHO, n-C7H15CHO, PhCH=NPh) View Scheme |
sulfuric acid
propionaldehyde
orthoformic acid triethyl ester
1,1-diethoxypropane
Conditions | Yield |
---|---|
analoge Reaktion mit Orthoameisensaeure-tripropylester; |
2-bromo-3,3-diethoxypropene
1,1-diethoxypropane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 66 percent / formic acid / 24 h 2: 53 percent / diethyl ether / 4 h / 20 °C View Scheme |
ethanol
carbon monoxide
allyl alcohol
A
2-ethoxytetrahydrofuran
B
propan-1-ol
C
Butane-1,4-diol
D
1,1-diethoxypropane
Conditions | Yield |
---|---|
With hydrogen; acetylacetonatodicarbonylrhodium(l) at 125℃; under 30003 Torr; for 2.5h; Product distribution; Further Variations:; reagent ratios; |
Conditions | Yield |
---|---|
With borane-ammonia complex; cobalt(II)(2,6-bis(morpholinomethyl)pyridine)bromide In methanol at 80℃; for 14h; | 99 %Chromat. |
ethanol
A
diethyl ether
B
1,1-diethoxypropane
C
ethyl vinyl ether
Conditions | Yield |
---|---|
at 280℃; for 4h; Reagent/catalyst; Autoclave; Inert atmosphere; |
4-iodopyridine-2-carboxylic acid methyl ester
1,1-diethoxypropane
4-(3,3-Diethoxy-prop-1-ynyl)-pyridine-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With triethylamine; palladium diacetate; copper(l) iodide; triphenylphosphine at 20℃; for 3h; | 100% |
1,1-diethoxypropane
3-(dimethylphenylsilyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-propene
Conditions | Yield |
---|---|
With titanium tetrachloride In dichloromethane at -78℃; for 3h; | 99% |
With titanium tetrachloride In dichloromethane TiCl4, CH2Cl2, -78°C, 3 h; | 99% |
1,1-diethoxypropane
(4R)-4-ethyl-1,3-oxazolidin-2-one
(R)-3-(1-ethoxypropyl)-4-ethyl-1,3-oxazolidin-2-one
Conditions | Yield |
---|---|
With 10-camphorsufonic acid In dichloromethane at 55℃; | 97% |
5-iodo-1,2,3-trimethoxybenzene
1,1-diethoxypropane
Conditions | Yield |
---|---|
With copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride In triethylamine at 20℃; for 3h; | 97% |
1,1-diethoxypropane
3-cyclohexyl-3-(dimethylphenylsilyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-propene
Conditions | Yield |
---|---|
With titanium tetrachloride In dichloromethane at -78℃; for 3h; | 95% |
With titanium tetrachloride In dichloromethane TiCl4, CH2Cl2, -78°C, 3 h; | 95% |
1,1-diethoxypropane
3-(dimethylphenylsilyl)-5-phenyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-pentene
Conditions | Yield |
---|---|
With titanium tetrachloride In dichloromethane at -78℃; for 3h; | 94% |
With titanium tetrachloride In dichloromethane TiCl4, -78°C, CH2Cl2, 3 h; | 94% |
With aluminium trichloride In dichloromethane AlCl3, CH2Cl2, -78°C, 0.5 h; -20°C for 2.5 h; | 82% |
With trimethylsilyl trifluoromethanesulfonate In dichloromethane TMSOTf, CH2Cl2, -78°C, 0.5 h; -20°C for 2.5 h; | 30% |
Conditions | Yield |
---|---|
Stage #1: acetophenone With di-n-butylboryl trifluoromethanesulfonate; N-ethyl-N,N-diisopropylamine In dichloromethane at -78℃; for 0.5h; Stage #2: 1,1-diethoxypropane In dichloromethane at -78℃; for 0.5h; | 90% |
1,1-diethoxypropane
7-chloro-4,6-dimethoxy-2,3-dihydrobenzofuran-3-one
(Z)-7-chloro-4,6-dimethoxy-2-(1-propylidene)-3(2H)-benzofuranone
Conditions | Yield |
---|---|
With titanium tetrachloride In dichloromethane for 24h; Ambient temperature; | 89% |
1,1-diethoxypropane
1,3-diphenylpropanedione
2-(1-Ethoxy-propyl)-1,3-diphenyl-propane-1,3-dione
Conditions | Yield |
---|---|
With trimethylsilyl trifluoromethanesulfonate In dichloromethane at -78℃; | 89% |
1,1-diethoxypropane
(Z)-1-Phenyl-6-trimethylsilanyl-hex-4-en-1-ol
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid for 24h; Product distribution; Ambient temperature; reactions of derivatives with var. acetals; | 84% |
With toluene-4-sulfonic acid for 24h; Ambient temperature; | 84% |
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid In dichloromethane for 0.25h; Heating; | 83% |
With sulfuric acid |
1,1-diethoxypropane
N,N-dimethyl-formamide
3,3-diethoxy-2-methyl-propionaldehyde
Conditions | Yield |
---|---|
With trichlorophosphate at 70℃; for 2h; Vilsmeier reaction; | 83% |
Conditions | Yield |
---|---|
Montmorillonite clay K-10 at 10 - 15℃; | 80% |
NdNaY at 0 - 25℃; for 0.5h; | 61% |
With iron(III) chloride | |
With iron(III) chloride | |
With boron trifluoride diethyl etherate at 65℃; |
Conditions | Yield |
---|---|
2-ethyl-N-(2-ethylhexyl)-1-hexanamine; toluene-4-sulfonic acid | 77.5% |
With quinoline; phosphorus pentoxide distillation at a bath temp. 150 deg C; | 75% |
With quinoline; phosphorus pentoxide vermutlich entsteht als Gemisch von cis- und trans-Form; | |
With sodium hydrogen sulfate vermutlich entsteht als Gemisch von cis- und trans-Form; | |
With silver-asbestos at 280℃; vermutlich entsteht als Gemisch von cis- und trans-Form; |
Conditions | Yield |
---|---|
With 2-ethyl-N-(2-ethylhexyl)-1-hexanamine; toluene-4-sulfonic acid at 160℃; Distillation; | 77.5% |
1,1-diethoxypropane
propionaldehyde
3-(dimethylphenylsilyl)-5-phenyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-pentene
Conditions | Yield |
---|---|
Stage #1: propionaldehyde; 3-(dimethylphenylsilyl)-5-phenyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-pentene With titanium tetrachloride In dichloromethane at -78℃; for 2h; Stage #2: 1,1-diethoxypropane In dichloromethane at 0℃; for 3h; | 75% |
1,1-diethoxypropane
propionaldehyde
3-(dimethylphenylsilyl)-5-phenyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-pentene
C6H4(CH2)2CHCH(C2H5)OCH(C2H5)CH2CBO2C2(CH3)4
Conditions | Yield |
---|---|
With titanium tetrachloride; sodium hydrogencarbonate In dichloromethane B salt mixed with TiCl4 at -78°C, stirred at -78°C for 2 h, treated with aldehydes at -78°C, stirred at 0°C for 3 h,treated with aq.NaHCO3; extd.(AcOC2H5), chromy.(silica gel); | 75% |
Conditions | Yield |
---|---|
at 0 - 50℃; for 2.5h; Time; | 75% |
Conditions | Yield |
---|---|
at 120 - 160℃; | 73% |
1,1-diethoxypropane
di-tert-butyl 1-(6-methoxypyridin-3-yl)hydrazine-1,2-dicarboxylate
3-methylpyrrolo<3,2-b>pyridinee
Conditions | Yield |
---|---|
Stage #1: 1,1-diethoxypropane; di-tert-butyl 1-(6-methoxypyridin-3-yl)hydrazine-1,2-dicarboxylate With sulfuric acid In water for 1h; Reflux; Inert atmosphere; Stage #2: With sodium carbonate In water Saturated solution; Inert atmosphere; | 72% |
1,1-diethoxypropane
trimethylsilyl cyanide
diethyl ether-acetonitrile
Conditions | Yield |
---|---|
zinc(II) iodide at 25℃; for 3h; | 71% |
1,1-diethoxypropane
Phenoxymagnesium bromide
1,1-bis(2-hydroxyphenyl)propane
Conditions | Yield |
---|---|
In benzene for 24h; Heating; | 70% |
Conditions | Yield |
---|---|
With triethylsilane; trifluoroacetic acid In acetonitrile at 22℃; for 18h; | 65% |
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