Product description: Product Name 4,4-Dimethoxy-2-butanone CAS No. 5436-21-5 Appearance Colorless to yellowish liquid Assay ≥99% Capacity 100mt/year Application Pharmaceutica
Cas:5436-21-5
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inquiryDayangchem'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
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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
Mainly used as intermediates for pesticides. Appearance:Colorless to yellowish liquid Storage:Stored in the ventilated, low temperature and dry room away from direct sunlight. Package:200kg/drum Application:Mainly used as intermediates for pesticide
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Cas:5436-21-5
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inquiryHenan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com
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Cas:5436-21-5
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inquiryProduct Name: Acetylacetaldehyde dimethyl acetal Synonyms: FEMA 3381;FADMA;FORMYLACETONE DIMETHYL ACETAL;KBA;1,1-DIMETHOXY BUTANONE-3;1,1-DIMETHOXY-3-BUTANONE;AADMA;ACETYLACETALDEHYDE DIMETHYL ACETAL
Cas:5436-21-5
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inquiryAcetylacetaldehyde dimethyl acetal CAS:5436-21-5 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
Cas:5436-21-5
Min.Order:1 Gram
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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
Cas:5436-21-5
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Cas:5436-21-5
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inquiry4,4-Dimethoxy-2-butanone CAS:5436-21-5 Specification Product Name 4,4-Dimethoxy-2-butanone CAS No. 5436-21-5 Appearance Colorless to yellowish liquid Assay ≥99% Capacity 100mt/year
Cas:5436-21-5
Min.Order:1 Kilogram
FOB Price: $100.0 / 150.0
Type:Other
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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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:5436-21-5
Min.Order:10 Kilogram
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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:5436-21-5
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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:5436-21-5
Min.Order:1 Gram
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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:5436-21-5
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inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:5436-21-5
Min.Order:1 Gram
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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:5436-21-5
Min.Order:10 Gram
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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
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inquiryOur Strength:-Flexible: We work in small teams with rapid communication channels. Respond quickly and efficiently to customer and market needs.-Innovative: We are focusing on the development of new products and keep close relationships with our custo
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inquiryProduct name: 4,4-Dimethoxy-2-Butanone CAS No.:5436-21-5 Molecule Formula:C6H12O3 Molecule Weight:132.36 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING I
Cas:5436-21-5
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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:5436-21-5
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inquiryAcetylacetaldehyde dimethyl acetal Chemical Properties Melting point -82 °C Boiling point 70-73 °C/20 mmHg (lit.) density 0.996 g/mL at 25 °C (lit.) FEMA 3381 | 3-OXOBUTANAL DIMETHYL ACETAL refractive index n20/D 1.414
Cas:5436-21-5
Min.Order:1 Gram
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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
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inquirymethanol
trans-4-methoxy-3-buten-2-one
acetylacetaldehyde dimethyl acetal
Conditions | Yield |
---|---|
pyrrolidine; methanesulfonic acid at 20℃; for 28h; oxy-Michael reaction; | 99% |
3-butenal dimethyl acetal
acetylacetaldehyde dimethyl acetal
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; C21H19N5Pd(2+)*2BF4(1-) In decane; acetonitrile at 70℃; for 24h; Temperature; Wacker Oxidation; | 95% |
2-methyl-propan-1-ol
(Z)-4-methoxybut-3-en-2-one
A
acetylacetaldehyde dimethyl acetal
B
4-isobutoxy-but-3-en-2-one
Conditions | Yield |
---|---|
for 10h; Heating; Yields of byproduct given; | A n/a B 90% C n/a |
2-(Trimethylsilyloxy)propene
trimethyl orthoformate
acetylacetaldehyde dimethyl acetal
Conditions | Yield |
---|---|
With zinc(II) chloride In ethyl acetate at 20 - 25℃; for 2h; | 87% |
dodecacarbonyltetrarhodium(0) In benzene at 100℃; for 18h; | 48% |
3-oxobutyraldehyde
trimethyl orthoformate
acetylacetaldehyde dimethyl acetal
Conditions | Yield |
---|---|
With tropylium tetrafluoroborate In acetonitrile at 70℃; for 5h; Inert atmosphere; Green chemistry; chemoselective reaction; | 69% |
Conditions | Yield |
---|---|
With water; mercury(II) sulfate In diethylene glycol at 80℃; for 0.5h; | 14% |
Conditions | Yield |
---|---|
With sulfuric acid | |
With mercury(II) sulfate In water | |
With sulfuric acid; water |
methanol
tetrachloromethane
4-chloro-3-buten-2-one
acetylacetaldehyde dimethyl acetal
Conditions | Yield |
---|---|
at -15 - -10℃; | |
at -15 - -10℃; |
Conditions | Yield |
---|---|
With sodium hydroxide at -15 - -10℃; | |
With sodium hydroxide at -15 - -10℃; |
methanol
1-methoxy-3-methylsulfanyl-buta-1,2-diene
acetylacetaldehyde dimethyl acetal
Conditions | Yield |
---|---|
With mercury dichloride |
3-oxobutyraldehyde
methanol
A
acetylacetaldehyde dimethyl acetal
B
trans-4-methoxy-3-buten-2-one
Conditions | Yield |
---|---|
Product distribution; other β-ketoaldehydes, other alcohols, var. solvents; |
methanol
acetone
formic acid ethyl ester
acetylacetaldehyde dimethyl acetal
Conditions | Yield |
---|---|
Yield given. Multistep reaction; |
methanol
1-methoxy-buten-3-yne
sulfuric acid
acetylacetaldehyde dimethyl acetal
Conditions | Yield |
---|---|
at 50 - 60℃; |
Conditions | Yield |
---|---|
With sulfuric acid; benzene |
Conditions | Yield |
---|---|
With hydrogenchloride |
methanol
1,4-dimethyl-cyclohexa-1,4-diene
A
acetylacetaldehyde dimethyl acetal
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid; ozone In chloroform-d1 at -78℃; Title compound not separated from byproducts; |
methanol
Methyl formate
acetone
acetylacetaldehyde dimethyl acetal
Conditions | Yield |
---|---|
Stage #1: Methyl formate; acetone With sodium methylate In diethyl ether at 20℃; for 3h; Stage #2: methanol With sulfuric acid at 20℃; for 12h; |
Conditions | Yield |
---|---|
Stage #1: trimethyl orthoformate With boron trifluoride diethyl etherate In dichloromethane at -40 - 0℃; for 0.5h; Stage #2: acetone With N-ethyl-N,N-diisopropylamine In dichloromethane at -78 - 20℃; for 1h; |
methanol
methyl vinyl ketone
A
acetylacetaldehyde dimethyl acetal
B
1-methoxybutan-3-one
Conditions | Yield |
---|---|
With carbon dioxide; oxygen; sodium phosphate; copper(l) chloride; palladium dichloride at 50℃; under 90007.2 Torr; for 12h; | A 83.2 % Chromat. B 12.8 % Chromat. |
With carbon dioxide; polystyrene-supported benzoquinone; oxygen; palladium dichloride at 50℃; under 60004.8 Torr; for 12h; | A 76.8 % Chromat. B 13.4 % Chromat. |
Conditions | Yield |
---|---|
With carbon dioxide; oxygen; palladium dichloride at 50℃; under 105011 Torr; for 15h; | 88.6 % Chromat. |
methanol
3-oxo-butyraldehyde; sodium enolate
A
acetylacetaldehyde dimethyl acetal
B
4-methoxy-3-buten-2-one
Conditions | Yield |
---|---|
With hydrogenchloride at 20℃; for 4h; |
Conditions | Yield |
---|---|
Stage #1: Methyl formate; acetone With sodium methylate In methanol at 40℃; for 5h; Stage #2: With sulfuric acid In methanol at 30℃; for 5h; | 195.6 g |
methanol
methyl ethynyl ketone
benzyl azide
A
acetylacetaldehyde dimethyl acetal
B
1-(1-benzyl-1H-1,2,3-triazol-4-yl)ethan-1-one
Conditions | Yield |
---|---|
With DBN; oxygen; copper(II) acetate monohydrate at 0 - 20℃; for 3h; |
acetylacetaldehyde dimethyl acetal
1,1-dimethoxybutan-3-ol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In tetrahydrofuran; methanol at 0 - 20℃; for 0.5h; | 100% |
With sodium tetrahydroborate In ethanol for 2h; Ambient temperature; | 84% |
With methanol; sodium tetrahydroborate In tetrahydrofuran at 0 - 20℃; for 2h; | 79% |
1-phenylpyrazol-5-amine
acetylacetaldehyde dimethyl acetal
6-methyl-1-phenyl-1H-pyrazolo[3,4-b]pyridine
Conditions | Yield |
---|---|
zinc(II) chloride In hydrogenchloride; ethanol for 1h; Heating; | 100% |
acetylacetaldehyde dimethyl acetal
1,3-diphenyl-1H-pyrazol-5-amine
6-Methyl-1,3-diphenyl-1H-pyrazolo[3,4-b]pyridine
Conditions | Yield |
---|---|
zinc(II) chloride In hydrogenchloride; ethanol for 1h; Heating; | 100% |
acetylacetaldehyde dimethyl acetal
1-methyl-3-phenyl-1H-pyrazol-5-amine
1,6-Dimethyl-3-phenyl-1H-pyrazolo[3,4-b]pyridine
Conditions | Yield |
---|---|
zinc(II) chloride In hydrogenchloride; ethanol for 1h; Heating; | 100% |
acetylacetaldehyde dimethyl acetal
4-amidinopyridine hydrochloride
4-(4-methylpyrimidin-2-yl)pyridine
Conditions | Yield |
---|---|
In 1,4-dioxane Heating; | 100% |
In 1,4-dioxane Reflux; Inert atmosphere; | 62% |
acetylacetaldehyde dimethyl acetal
methylamine
1-methylamino-1-butenone
Conditions | Yield |
---|---|
In methanol at 20℃; for 12h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
Stage #1: acetylacetaldehyde dimethyl acetal; C15H24N2O2 With acetic acid In tetrahydrofuran at -10 - -5℃; for 1h; Stage #2: With sodium cyanoborohydride In tetrahydrofuran at 0 - 10℃; for 2h; | 100% |
acetylacetaldehyde dimethyl acetal
(-)-7-(5-fluoro-2-methylphenyl)-4-methyl-7,8-dihydroquinolin-5(6H)-one
Conditions | Yield |
---|---|
With sodium methylate; potassium carbonate In water; toluene | 98.8% |
acetylacetaldehyde dimethyl acetal
thiourea
2-mercapto-6-methylpyrimidine
Conditions | Yield |
---|---|
With hydrogenchloride In water at 50℃; | 95% |
With hydrogenchloride In methanol at 50℃; Rate constant; temperature 60 or 70 deg C, water as solvent; |
acetylacetaldehyde dimethyl acetal
3-Chloro-2-methylpropene
1,1-Dimethoxy-3,5-dimethyl-hex-5-en-3-ol
Conditions | Yield |
---|---|
With manganese; zinc(II) chloride In tetrahydrofuran at 60℃; | 95% |
Conditions | Yield |
---|---|
With PF-5080; toluene-4-sulfonic acid for 22h; Heating; | 95% |
acetylacetaldehyde dimethyl acetal
dimethyl amine
4-dimethylamino-3-buten-2-one
Conditions | Yield |
---|---|
In water at 25℃; for 4h; | 95% |
acetylacetaldehyde dimethyl acetal
4-methoxybenzamidine hydrochloride
Conditions | Yield |
---|---|
With sodium methylate In methanol at 50℃; for 14h; Inert atmosphere; | 95% |
acetylacetaldehyde dimethyl acetal
dimethyl amine
(E)-4-(dimethylamino)but-3-en-2-one
Conditions | Yield |
---|---|
With triethylamine In water at 25℃; for 4h; | 95% |
In methanol at 20℃; for 4h; | 90% |
acetylacetaldehyde dimethyl acetal
benzamidine monohydrochloride
4-methyl-2-phenylpyrimidine
Conditions | Yield |
---|---|
With sodium methylate In methanol at 45 - 50℃; for 6h; | 91.3% |
N-(3-(((2,6-difluorophenyl)amino)sulfonyl)-1H-1,2,4-triazol-5-yl)amine
acetylacetaldehyde dimethyl acetal
N-(2,6-difluorophenyl)-5-methyl[1,2,4]triazolo[1,5-a]pyrimidine-2-sulfonamide
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide; sodium carbonate; sodium chloride In water | 91% |
acetylacetaldehyde dimethyl acetal
trimethyl orthoformate
1,1,3,3-tetramethoxy-butane
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In methanol at 20℃; for 24h; | 90% |
With sulfuric acid |
acetylacetaldehyde dimethyl acetal
3-(β-ionilidene)-1-propyne
(6E,8E)-1,1-Dimethoxy-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-6,8-dien-4-yn-3-ol
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran at -60℃; | 90% |
With n-butyllithium In tetrahydrofuran; hexane for 1h; -60 deg C to room t.; | 90% |
acetylacetaldehyde dimethyl acetal
1-ethoxy-1-(tert-butyldimethylsilyloxy)ethene
Conditions | Yield |
---|---|
With bis-(pentafluoro phenyl) dibromo stannane In dichloromethane at -78℃; for 3h; | 90% |
acetylacetaldehyde dimethyl acetal
methyl allylcarbamate
Allyl-((E)-3-oxo-but-1-enyl)-carbamic acid methyl ester
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In chloroform Heating; | 90% |
With toluene-4-sulfonic acid In chloroform for 27h; Heating; | 90% |
2,6-Diaminopyridine
acetylacetaldehyde dimethyl acetal
2-amino-7-methyl-1,8-naphthyridine
Conditions | Yield |
---|---|
With phosphoric acid In water at 90℃; for 3h; | 90% |
In various solvent(s) Cyclization; | 79% |
With phosphoric acid at 90℃; for 24h; | 72% |
2-methyl-1H-indole
acetylacetaldehyde dimethyl acetal
2-methyl-3-(3-phenyl)indole
Conditions | Yield |
---|---|
With 4-n-butyl-4-(3-sulfopropyl)thiomorpholinium 1,1-dioxide trifluoromethane sulfonate In neat (no solvent) at 60℃; for 15h; Green chemistry; | 90% |
acetylacetaldehyde dimethyl acetal
Conditions | Yield |
---|---|
Stage #1: acetylacetaldehyde dimethyl acetal With sodium hydride In ethanol; mineral oil for 0.5h; Inert atmosphere; Stage #2: 2-(diethoxymethyl)formamidine hydrochloride In ethanol; mineral oil for 4h; Reflux; | 90% |
acetylacetaldehyde dimethyl acetal
2-chlorobenzimidamide
2-(2-chlorophenyl)-4-methylpyrimidine
Conditions | Yield |
---|---|
With sodium acetate In para-xylene for 13h; Schlenk technique; Inert atmosphere; Reflux; | 90% |
acetylacetaldehyde dimethyl acetal
2-methylbenzamidine
Conditions | Yield |
---|---|
With sodium acetate In para-xylene for 10h; Schlenk technique; Inert atmosphere; Reflux; | 90% |
Conditions | Yield |
---|---|
With aluminum (III) chloride In ethanol; acetic acid at 60℃; for 15h; | 89% |
With water | |
With water |
acetylacetaldehyde dimethyl acetal
5-amino-3-methyl-N-phenylpyrazole-4-carboxamide
2,7-dimethyl-N-phenylpyrazolo<1,5-a>pyrimidine-3-carboxamide
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol at 60 - 80℃; for 2h; | 89% |
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