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:122-31-6
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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
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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
Cas:122-31-6
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inquiryMalonaldehyde bisldiethy Product name:Malonaldehyde bisldiethy(acetal) CAS No: 122-31-6 Properties: In normal temperature, it is colorless inflammable liquid with irritative odor,Boiling point 220°C;Molecular weight220.31; Specific
Cas:122-31-6
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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
Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Cas:122-31-6
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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
Cas:122-31-6
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inquiryOur company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company
Cas:122-31-6
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inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:122-31-6
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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:122-31-6
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
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:122-31-6
Min.Order:10 Kilogram
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Type:Trading Company
inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W
Cas:122-31-6
Min.Order:1 Metric Ton
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inquiryChemical Name: 1 1 3 3-Tetraethoxypropane CAS No.: 122-31-6 Molecular Fomula: C11H24O4 Chemical Structure: Molecular weight:220.31 Appearance: cololess liquid Assay:99% Appearance:colorless liquid Storage:Preserve in well-closed, light-re
Cas:122-31-6
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
Type:Other
inquiryWe are leading fine chemicals supplier in China and Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED intermediat
Cas:122-31-6
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FOB Price: $4.0 / 5.0
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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:122-31-6
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inquiryAppearance:colorless to yellow liquid Storage:2-8°C Package:200kg/Drum Application:1,1,3,3-Tetraethoxypropane has been used in the preparation of diazabicyclodecenes. Transportation:Express/Sea/Air Port:Any port in China
Cas:122-31-6
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryMalonaldehyde bis(diethyl acetal) CAS:122-31-6 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 o
Cas:122-31-6
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:122-31-6
Min.Order:1 Kilogram
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inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:122-31-6
Min.Order:10 Gram
Negotiable
Type:Trading Company
inquiry1,1,3,3-Tetraethoxypropane CAS: 122-31-6 Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard Shelf life 2 years Storage should be stored in
Cas:122-31-6
Min.Order:1 Kilogram
Negotiable
Type:Other
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
Appearance:clear colourless to yellow liquid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used as pharmaceutical and dyes interm... Transportation:Common produ
Cas:122-31-6
Min.Order:100 Metric Ton
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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:122-31-6
Min.Order:0 Metric Ton
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inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:122-31-6
Min.Order:1 Gram
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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
Cas:122-31-6
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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:122-31-6
Min.Order:10 Gram
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inquiryMalonaldehyde bis(diethyl acetal) CAS NO.122-31-6Appearance:detailed see specifications Storage:Stored in cool, dry and ventilation place Package:according to customers' requirements Application:It is an important raw material and intermediates used
Cas:122-31-6
Min.Order:1 Gram
Negotiable
Type:Other
inquiryProduct name: 1,1,3,3-Tetraethoxypropane CAS No.:122-31-6 Molecule Formula:C7H14O3 Molecule Weight:146.18 Purity: 98.0% Package: 200kg/drum Description:Colorless transparent liquid Manufacture Standards:Enterprise Standard
Cas:122-31-6
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryHigh quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle
Cas:122-31-6
Min.Order:1 Metric Ton
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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:122-31-6
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inquiryethyl vinyl ether
orthoformic acid triethyl ester
malondialdehyde bis(diethyl acetal)
Conditions | Yield |
---|---|
Stage #1: ethyl vinyl ether; orthoformic acid triethyl ester With boron trifluoride diethyl etherate at 20 - 38℃; Stage #2: With potassium carbonate at 20℃; for 2h; | 69.2% |
With iron(III) chloride | |
With boron fluoride ether |
vinyl isopropyl ether
orthoformic acid triethyl ester
A
malondialdehyde bis(diethyl acetal)
B
1,3,3-triethoxy-1-(isopropoxy)propane
Conditions | Yield |
---|---|
iron(III) chloride at -30℃; for 6h; Product distribution / selectivity; | A 6.5% B 42% |
iron(III) chloride at 0℃; for 6h; Product distribution / selectivity; | A 13.6% B 27% |
trimethylsiloxyethene
orthoformic acid triethyl ester
malondialdehyde bis(diethyl acetal)
Conditions | Yield |
---|---|
With zinc(II) chloride In ethyl acetate for 3h; Ambient temperature; | 76.5% |
ethyl vinyl ether
orthoformic acid triethyl ester
A
malondialdehyde bis(diethyl acetal)
B
1,1,3,5,5-pentaethoxy-pentane
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In diethyl ether at 10℃; | A 64% B 17% |
Conditions | Yield |
---|---|
at 45℃; |
vinyl acetate
orthoformic acid triethyl ester
malondialdehyde bis(diethyl acetal)
Conditions | Yield |
---|---|
With iron(III) chloride; sodium hydrogencarbonate 1) 2 h, reflux; 2) 20 deg C, 2 h; | 56% |
at 80℃; beim Erwaermen in Gegenwart von Katalysatoren (z.B. FeCl3, AlCl3, SnCl2, SnCl4, ZnCl2, HgCl2); |
2-ethoxy-1,3-dioxane
ethyl vinyl ether
A
malondialdehyde bis(diethyl acetal)
B
di(1,3-dioxan-2-yl)methane
C
2-(2,2-diethoxyethyl)-1,3-dioxane
Conditions | Yield |
---|---|
zinc(II) chloride In diethyl ether temperature below 30 deg C; | A n/a B n/a C 35% |
vinyl acetate
orthoformic acid triethyl ester
A
malondialdehyde bis(diethyl acetal)
B
acetic acid-(1,3,3-triethoxy-propyl ester)
C
1,3-diacetoxy-1,3-diethoxypropane
Conditions | Yield |
---|---|
With p-benzoquinone at 30℃; for 24h; |
2-Ethoxy-5,5-dimethyl-1,3-dioxane
ethyl vinyl ether
A
malondialdehyde bis(diethyl acetal)
B
bis(5,5-dimethyl-1,3-dioxan-2-yl)-methane
C
2-(2,2-diethoxyethyl)-5,5-dimethyl-1,3-dioxane
Conditions | Yield |
---|---|
zinc(II) chloride In diethyl ether temperature below 30 deg C; |
(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; |
ethanol
cyclohexa-1,4-diene
A
malondialdehyde bis(diethyl acetal)
B
ethyl 3,3-diethoxypropanoate
C
diethyl malonate
Conditions | Yield |
---|---|
With hydrogenchloride; ozone -40 deg C, then ca. 30 min reflux; | A n/a B 70% C n/a |
With hydrogenchloride; ozone -40 deg C, then ca. 30 min reflux; | A 70% B 70% C n/a |
With hydrogenchloride; ozone at -40℃; Product distribution; | A n/a B 70% C n/a |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: ethanolic KOH-solution 2: hydrogen chloride View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: boron trifluoride; mercury(II) diacetate 2: iron(III) chloride View Scheme |
1,1-dichloro-3,3-diethoxy-propane
malondialdehyde bis(diethyl acetal)
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NaOEt View Scheme |
1-chloro-3,3-diethoxy-propene
malondialdehyde bis(diethyl acetal)
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: ion-exchange resin + form> 2: Na View Scheme |
Conditions | Yield |
---|---|
With hydrogenchloride |
ethanol
acetic acid-(1,3,3-triethoxy-propyl ester)
malondialdehyde bis(diethyl acetal)
Conditions | Yield |
---|---|
With iron(III) chloride |
Conditions | Yield |
---|---|
at 45℃; |
Conditions | Yield |
---|---|
With hydrogenchloride |
ethanol
3-chloro-1,3-diethoxy-propene
malondialdehyde bis(diethyl acetal)
Conditions | Yield |
---|---|
With sodium |
Conditions | Yield |
---|---|
(i) N-methylpiperidine, (ii) HCl; Multistep reaction; |
ethanol
1-chloro-3,3-diethoxy-propene
malondialdehyde bis(diethyl acetal)
vinyl acetate
iron(III) chloride
orthoformic acid triethyl ester
malondialdehyde bis(diethyl acetal)
iron(III) chloride
ethyl vinyl ether
orthoformic acid triethyl ester
malondialdehyde bis(diethyl acetal)
malondialdehyde bis(diethyl acetal)
Conditions | Yield |
---|---|
In ethanol for 2h; Reflux; | 100% |
Stage #1: malondialdehyde bis(diethyl acetal); trans-ethyl 4-hydrazinylcyclohexane-1-carboxylate hydrochloride In ethanol Reflux; Stage #2: With sodium hydrogencarbonate In ethanol; water | 100% |
malondialdehyde bis(diethyl acetal)
(S)-4-Benzyl-2-oxazolidinone
Conditions | Yield |
---|---|
With sulfuric acid In chloroform diastereoselective reaction; | 99% |
malondialdehyde bis(diethyl acetal)
1,3-dichloro-1,3-diethoxypropane
Conditions | Yield |
---|---|
With phosphorus trichloride at 50℃; for 6h; | 98.5% |
With tetrachloromethane; phosphorus pentachloride | |
With pyridine; tetrachloromethane; thionyl chloride | |
With phosphorus pentachloride; trichlorophosphate |
(S)-4-(3,4-dimethoxybenzyl)oxazolidin-2-one
malondialdehyde bis(diethyl acetal)
Conditions | Yield |
---|---|
With sulfuric acid In chloroform at 20℃; for 12h; Pictet-Spengler Synthesis; diastereoselective reaction; | 98% |
malondialdehyde bis(diethyl acetal)
2,6-diamino-3H-pyrimidin-4-one
C11H12N8O2
Conditions | Yield |
---|---|
With acetic acid for 3.5h; Heating; | 97% |
malondialdehyde bis(diethyl acetal)
Conditions | Yield |
---|---|
With pyridine for 2h; Heating; | 96% |
malondialdehyde bis(diethyl acetal)
1.3-butanediol
bis(4-methyl-1,3-dioxan-2-yl)methane
Conditions | Yield |
---|---|
With KU-2-8 cation exchange resin In benzene at 120 - 130℃; heating until alcohol liberation was complete; | 95% |
malondialdehyde bis(diethyl acetal)
Conditions | Yield |
---|---|
With pyridine for 2h; Heating; | 95% |
malondialdehyde bis(diethyl acetal)
1-bromo-2-ethoxyethene
2-bromo-1,1,3,5,5-pentaethoxy-pentane
Conditions | Yield |
---|---|
With zinc(II) chloride In ethyl acetate for 5.5h; Ambient temperature; | 94% |
With boron trifluoride diethyl etherate |
2-methyl-2,4-pentanediol
malondialdehyde bis(diethyl acetal)
bis(4,4,6-trimethyl-1,3-dioxan-2-yl)methane
Conditions | Yield |
---|---|
With KU-2-8 cation-exchange resin at 110 - 120℃; heating until alcohol liberation was complete; | 94% |
malondialdehyde bis(diethyl acetal)
2,2-Dimethyl-1,3-propanediol
bis(5,5-dimethyl-1,3-dioxan-2-yl)-methane
Conditions | Yield |
---|---|
With KU-2-8 cation-exchange resin at 110 - 120℃; heating until alcohol liberation was complete; | 94% |
3-methyl-butane-1,3-diol
malondialdehyde bis(diethyl acetal)
bis(4,4-dimethyl-1,3-dioxan-2-yl)methane
Conditions | Yield |
---|---|
With KU-2-8 cation-exchange resin In benzene at 120 - 130℃; heating until alcohol liberation was complete; | 93% |
malondialdehyde bis(diethyl acetal)
propylene glycol
bis(4-methyl-1,3-dioxolan-2-yl)methane
Conditions | Yield |
---|---|
With KU-2-8 cation-exchange resin at 110 - 120℃; heating until alcohol liberation was complete; | 93% |
malondialdehyde bis(diethyl acetal)
2-Thiobarbituric acid
Conditions | Yield |
---|---|
With hydrogenchloride for 1.5h; Heating; | 93% |
malondialdehyde bis(diethyl acetal)
3-nitro-pyrazolo[1,5-a]pyrimidine
Conditions | Yield |
---|---|
With acetic acid | 92.5% |
malondialdehyde bis(diethyl acetal)
ethylene glycol
di(1,3-dioxolan-2-yl)methane
Conditions | Yield |
---|---|
With KU-2-8 cation-exchange resin at 110 - 120℃; heating until alcohol liberation was complete; | 92% |
malondialdehyde bis(diethyl acetal)
2.3-butanediol
bis(4,5-dimethyl-1,3-dioxolan-2-yl)methane
Conditions | Yield |
---|---|
With KU-2-8 cation-exchange resin at 110 - 120℃; heating until alcohol liberation was complete; | 91% |
malondialdehyde bis(diethyl acetal)
1,2-diamino-benzene
[(dibenzo[b,i]-1,4,8,11-tetraaza[14]annulene)platinum(II)]
Conditions | Yield |
---|---|
With CH3COOH; NaCH3COO In ethanol; water complex reacted with o-phenylenediamine at 60°C in aq. EtOH for 30 min, AcOH and tetraethoxypropane added, mixt. refluxed for 2 h, NaOAcadded, refluxed for 16 h; ppt. filtered while hot, washed with H2O, EtOH, ether, sublimated in vac. at 300°C, 0.01 Torr.; | 91% |
malondialdehyde bis(diethyl acetal)
4-(trifluoromethyl)phenylhydrazine hydrochloride
1-(4-trifluoromethyl-phenyl)-1H-pyrazole
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol at 75℃; for 2h; | 91% |
malondialdehyde bis(diethyl acetal)
2,3-dimethyl-2,3-butane diol
1,3-bis(4',4',5',5'-tetramethyl-1,3-dioxolan-2-yl)methane
Conditions | Yield |
---|---|
With KU-2-8 cation-exchange resin In benzene at 120 - 130℃; heating until alcohol liberation was complete; | 90% |
Conditions | Yield |
---|---|
With perchloric acid In ethanol for 2h; Heating; | 90% |
malondialdehyde bis(diethyl acetal)
trimethyleneglycol
di(1,3-dioxan-2-yl)methane
Conditions | Yield |
---|---|
With KU-2-8 cation-exchange resin In benzene at 120 - 130℃; heating until alcohol liberation was complete; | 89% |
malondialdehyde bis(diethyl acetal)
aniline hydrochloride
phenyl[3-phenylaminoprop-2-en-1-ylidene]ammonium chloride
Conditions | Yield |
---|---|
In methanol Heating; Reflux; | 89% |
malondialdehyde bis(diethyl acetal)
2-(trifluoromethyl)phenylhydrazine hydrochloride
1-(2-(trifluoromethyl)phenyl)-1H-pyrazole
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol at 75℃; for 2h; | 88% |
malondialdehyde bis(diethyl acetal)
3-Chloro-6-hydrazinopyridazine
3-chloro-6-(1H-pyrazol-1-yl)pyridazine
Conditions | Yield |
---|---|
With acetic acid In ethanol for 3h; Reflux; | 86% |
Conditions | Yield |
---|---|
With perchloric acid In ethanol at 80℃; Inert atmosphere; | 86% |
2-amino-3-hydroxypyridine
malondialdehyde bis(diethyl acetal)
Conditions | Yield |
---|---|
With perchloric acid In ethanol at 80℃; for 12h; Inert atmosphere; | 85% |
malondialdehyde bis(diethyl acetal)
phenylhydrazine hydrochloride
1-phenylpyrazole
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol at 75℃; for 2h; | 84% |
With ethanol |
malondialdehyde bis(diethyl acetal)
5-amino-3-methyl-N-phenylpyrazole-4-carboxamide
2-methyl-N-phenylpyrazolo<1,5-a>pyrimidine-3-carboxamide
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol at 60 - 80℃; for 2h; | 84% |
malondialdehyde bis(diethyl acetal)
Conditions | Yield |
---|---|
With hydrogenchloride In water for 24h; | 84% |
With hydrogenchloride In ethanol; water for 24h; |
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