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Cas:497-03-0
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Type:Manufacturers
inquiryStock products, own laboratory Product number 35881 English Name TRANS-2-METHYL-2-BUTENAL CAS Number 497-03-0 Purity 98% Molecula
Cas:497-03-0
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Min.Order:1 Kilogram
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Min.Order:1 Gram
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Min.Order:1 Kilogram
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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
Our 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
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Min.Order:10 Kilogram
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inquirysuperior quality Appearance: clear colorless to yellow liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as Pharmaceutical Intermediates
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Established 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
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Min.Order:10 Gram
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Type:Lab/Research institutions
inquiryProduct Name: TRANS-2-METHYL-2-BUTENAL Synonyms: (2E)-2-Methyl-2-butenal;(E)-2-Methyl-2-butenal;(E)-2-methylbut-2-en-1-al;(E)-2-methylbut-2-enal;2,2-Dimethylacrolein;2-Butenal,2-methyl-,(2E)-;2-Butenal,2-methyl-,(E)-;2-methyl-(E)-2-but
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Min.Order:1 Metric Ton
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Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:497-03-0
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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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Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
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Min.Order:1 Metric Ton
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Min.Order:1 Metric Ton
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inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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Min.Order:1 bottle
Negotiable
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inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
bulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical
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We are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for
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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:Chemical intermediate
TIANFUCHEM--High purity 497-03-0 TRANS-2-METHYL-2-BUTENAL Application:TIANFUCHEM--High purity 497-03-0 TRANS-2-METHYL-2-BUTENAL
Cas:497-03-0
Min.Order:0
Negotiable
Type:Other
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:White to Off-White Solid Storage:Keep it in dry,shady and cool place Package:as your requirement Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by Sea
Supply top quality products with a reasonable price Application:api
1,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 highl
Conditions | Yield |
---|---|
With dipyridinium dichromate In dichloromethane Inert atmosphere; Molecular sieve; | 95% |
Conditions | Yield |
---|---|
With C34H51NP2; hydrogen; palladium(II) acetylacetonate; toluene-4-sulfonic acid In tetrahydrofuran at 100℃; under 30003 Torr; for 10h; Schlenk technique; Autoclave; Inert atmosphere; stereoselective reaction; | 87% |
With acetylacetonatodicarbonylrhodium(l); C21H10F12NOP; hydrogen In toluene at 55℃; under 3750.38 Torr; for 20h; stereoselective reaction; | 78% |
Conditions | Yield |
---|---|
With borane-THF In tetrahydrofuran at 0℃; for 2h; | 81% |
With Bis(N-methylpiperazinyl) aluminum hydride In tetrahydrofuran for 6h; Heating; | 72% |
2-methyl-3-ethoxybutanal
2-methylbut-2-enal
Conditions | Yield |
---|---|
With dichloro bis(acetonitrile) palladium(II) In dichloromethane for 36h; Ambient temperature; | 80% |
With toluene-4-sulfonic acid at 180℃; |
Conditions | Yield |
---|---|
tetra-n-heptylammonium iodide; tributyltin iodide In para-xylene at 119℃; for 2h; Heating / reflux; | A 40.8% B 9.2% |
carbon monoxide
isoprene epoxide
A
5-methyl-3,6-dihydro-pyran-2-one
B
2-methylbut-2-enal
C
isoprene
Conditions | Yield |
---|---|
With dicobalt octacarbonyl at 85℃; under 150012 Torr; | A 37% B 13% C 19% |
Conditions | Yield |
---|---|
HRh(PPh3)4 In benzene at 105℃; for 3h; | 35% |
rhodium hydrido (PEt3)3 complex In benzene at 105℃; for 3h; sealed tube; | 35% |
(2S,4S)-carveol
(+)-trans-carveol
A
2-methylbut-2-enal
B
butene-2
C
acetaldehyde
D
isoprene
Conditions | Yield |
---|---|
at 560℃; under 170 Torr; |
Dichloromethyl methyl ether
1-methylprop-1-enyltributyltin
A
2-methylbut-2-enal
B
(Z)-2-methyl-2-butenal
Conditions | Yield |
---|---|
With aluminium trichloride In dichloromethane at -78℃; for 4h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
Dichloromethyl methyl ether
A
2-methylbut-2-enal
B
(Z)-2-methyl-2-butenal
Conditions | Yield |
---|---|
With aluminium trichloride In dichloromethane at -78℃; for 4h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
und Destillation; |
selenium(IV) oxide
2-methyl-but-2-ene
benzene
A
2-methylbut-2-enal
B
2-methyl-2-buten-1-ol
C
isoprene
hydrogenchloride
methanol
(E)-1,4-diacetoxy-2-methyl-2-butene
2-methylbut-2-enal
Conditions | Yield |
---|---|
Wasserdampfdestillation; |
Conditions | Yield |
---|---|
und nachfolgendem Kochen mit Wasser; |
Conditions | Yield |
---|---|
at 30℃; |
carbon monoxide
A
2-methylbut-2-enal
Conditions | Yield |
---|---|
With triphenyl phosphite; hydrogen; acetylacetonatodicarbonylrhodium(l) In toluene at 30℃; under 30002.4 Torr; for 46h; Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
With N,N,N,N,-tetramethylethylenediamine; hydrogen; catacxium A; palladium diacetate In toluene at 100℃; under 5625.56 Torr; for 16h; | 98 % Chromat. |
Conditions | Yield |
---|---|
With N,N,N,N,-tetramethylethylenediamine; hydrogen; catacxium A; palladium diacetate In toluene at 100℃; under 5625.56 Torr; for 16h; | 76 % Chromat. |
1,1,3-triethoxy-2-methyl-butane
2-methylbut-2-enal
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aqueous phosphoric acid; hydroquinone 2: toluene-4-sulfonic acid / 180 °C View Scheme |
1-acetoxyl-2-methyl-1,3-butadiene
B
2-methylbut-2-enal
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: lithium aluminium tetrahydride / diethyl ether / 20 °C / Inert atmosphere; Reflux 2: dipyridinium dichromate / dichloromethane / Inert atmosphere; Molecular sieve View Scheme | |
With lithium aluminium tetrahydride Inert atmosphere; |
Conditions | Yield |
---|---|
With dicarbonylacetylacetonato rhodium (I); acetic anhydride; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In toluene at 100℃; for 12h; Inert atmosphere; Sealed tube; Glovebox; Darkness; regioselective reaction; | 61 %Chromat. |
2-methylbut-2-enal
trimethyl phosphonoacetate
methyl (2E,4E)-4-methyl-2,4-hexadienoate
Conditions | Yield |
---|---|
Stage #1: trimethyl phosphonoacetate With sodium hydride In benzene at 20℃; for 1.33333h; Stage #2: 2-methylbut-2-enal In benzene for 0.5h; Heating; | 100% |
With sodium hydride 1.) THF, 2.) RT, 9 h; Multistep reaction; | |
With sodium hydride In benzene at 65℃; for 4h; | 37.82 g |
2-methylbut-2-enal
Chlorodifluoromethyl n-hexyl ketone
(E)-5,5-difluoro-4-hydroxy-3-methyl-2-dodecen-6-one
Conditions | Yield |
---|---|
With copper(l) chloride; zinc In tetrahydrofuran Heating; | 100% |
With molecular sieve; copper(l) chloride; zinc In diethyl ether for 3h; Heating; | 100% |
Conditions | Yield |
---|---|
With trifluoroacetic anhydride In benzene for 5h; Inert atmosphere; Dean-Stark; Reflux; | 100% |
ethyl 3-pyrrolidinobut-2-enoate
2-methylbut-2-enal
Conditions | Yield |
---|---|
With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane 1.) 0 deg C, 20 min, 2.) -78 deg C, 2 h, 3.) warm to room temperature, 10 h; | 99% |
2-methylbut-2-enal
trimethylsilyl cyanide
(E)-3-methyl-2-(trimethylsilyloxy)pent-3-enenitrile
Conditions | Yield |
---|---|
With potassium carbonate at 20℃; for 6h; Inert atmosphere; Neat (no solvent); | 99% |
With tetra-(n-butyl)ammonium iodide | 92% |
With zinc(II) iodide | |
With zinc(II) iodide | |
With potassium cyanide; 18-crown-6 ether In dichloromethane |
Conditions | Yield |
---|---|
With (R)-3,3'-bis(2-hydroxyphenyl)-2,2'-dihydroxy-1,1'-binaphthyl-boric acid In tetrahydrofuran; dichloromethane at -78℃; for 4h; | 99% |
Conditions | Yield |
---|---|
With (R)-3,3'-di(2-hydroxyphenyl)-2,2'-dihydroxy-1,1'-binaphthyl*B(OMe)3 In tetrahydrofuran; dichloromethane at -78℃; for 4h; | 99% |
With (R)-3-(2-hydroxy-3-phenylphenyl)-2,2'-dihydroxy-1,1'-binaphthyl*3,5-bis(trifluoromethyl)benzeneboronic acid at -78℃; for 50h; | 90% |
Conditions | Yield |
---|---|
With boric acid In toluene; butan-1-ol | 99% |
Conditions | Yield |
---|---|
In toluene; butan-1-ol | 99% |
In toluene; butan-1-ol | 99% |
Conditions | Yield |
---|---|
Stage #1: 2-methylbut-2-enal; N-methylaniline hydrochloride In methanol at 20℃; for 1h; Stage #2: With triethylsilane; indium(III) chloride In methanol at 20℃; for 24h; | 99% |
Conditions | Yield |
---|---|
98% |
2-methylbut-2-enal
1-(N-triisopropylsilyl-1H-indol-3-yl)-N,N-dimethylmethanamine
(E)-3-dimethylaminomethyl-4-(1-hydroxy-2-methyl-2-butenyl)-1-triisopropylsilyl-1H-indole
Conditions | Yield |
---|---|
Stage #1: 1-(N-triisopropylsilyl-1H-indol-3-yl)-N,N-dimethylmethanamine With tert.-butyl lithium In diethyl ether at -78 - 0℃; Stage #2: 2-methylbut-2-enal In diethyl ether at -78 - 20℃; | 98% |
2-methylbut-2-enal
ethyl (triphenylphosphoranylidene)acetate
ethyl (2E,4E)-4-methylhexa-2,4-dienoate
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 312h; Wittig Olefination; | 98% |
In dichloromethane at 20℃; | 67% |
2-methylbut-2-enal
trimethylsilyl trifluoromethanesulfonate
(E)-trimethyl(2-methylbuta-1,3-dienyloxy)silane
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; for 5h; | 98% |
diethoxyphosphoryl-acetic acid ethyl ester
2-methylbut-2-enal
ethyl (2E,4E)-4-methylhexa-2,4-dienoate
Conditions | Yield |
---|---|
Stage #1: diethoxyphosphoryl-acetic acid ethyl ester With sodium hydride In tetrahydrofuran at 0℃; for 0.5h; Inert atmosphere; Stage #2: 2-methylbut-2-enal In tetrahydrofuran at 0 - 20℃; Inert atmosphere; | 97% |
With potassium tert-butylate In tetrahydrofuran at 20℃; | 90% |
With sodium ethanolate In tetrahydrofuran at -20℃; for 0.5h; | 90.8% |
2-methylbut-2-enal
Conditions | Yield |
---|---|
With lithium diisopropyl amide; triethylphosphine In N,N-dimethyl-formamide Product distribution; trans/cis selectivity; var. phosphines; | 97% |
With lithium diisopropyl amide; triethylphosphine 1.) DMF; 2.) DMF; Yield given. Multistep reaction; |
2-methylbut-2-enal
phenyllithium
α-(1-methyl-1-propenyl)benzenemethanol
Conditions | Yield |
---|---|
In tetrahydrofuran at 0℃; for 4h; | 96% |
2-methylbut-2-enal
N-isopropyl oxazolidinone
(4S,2'S,3'S,4'E)-3-(2',4'-dimethyl-3'-hydroxy-1'-oxo-4'-hexenyl)-4-isopropyl-2-oxazolidinone
Conditions | Yield |
---|---|
Stage #1: N-isopropyl oxazolidinone With di-n-butylboryl trifluoromethanesulfonate; triethylamine In dichloromethane at -3℃; for 1h; Stage #2: 2-methylbut-2-enal In dichloromethane at -78 - 0℃; for 2h; Stage #3: With dihydrogen peroxide In methanol; phosphate buffer; dichloromethane at 0℃; for 1h; pH=7; Further stages.; | 96% |
Stage #1: N-isopropyl oxazolidinone With di-n-butylboryl trifluoromethanesulfonate; N-ethyl-N,N-diisopropylamine In dichloromethane at 0℃; for 0.5h; Stage #2: 2-methylbut-2-enal In dichloromethane at -78 - 20℃; for 2h; Stage #3: With dihydrogen peroxide In methanol; phosphate buffer; dichloromethane at 0℃; for 1h; pH=7; | 94% |
Stage #1: N-isopropyl oxazolidinone With di-n-butylboryl trifluoromethanesulfonate; N-ethyl-N,N-diisopropylamine In diethyl ether; dichloromethane at 0℃; for 0.5h; Inert atmosphere; Stage #2: 2-methylbut-2-enal In diethyl ether; dichloromethane at -78 - 20℃; for 2h; |
Conditions | Yield |
---|---|
Stage #1: 2-methylbut-2-enal; phenylacetyl chloride With potassium n-butoxide In tetrahydrofuran at -78℃; for 0.5h; Stage #2: N-methylmaleimide In tetrahydrofuran at 60℃; for 16h; | 96% |
Conditions | Yield |
---|---|
With pyrrolidine In chloroform at 20℃; for 144h; | 96% |
1-ethenylcyclohexene
2-methylbut-2-enal
(4E)-1-cyclohexenyl-4-methylhex-4-en-1-yn-3-ol
Conditions | Yield |
---|---|
Stage #1: 1-ethenylcyclohexene With n-butyllithium In diethyl ether; hexane at -78℃; Inert atmosphere; Stage #2: 2-methylbut-2-enal In diethyl ether; hexane at -78 - 20℃; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
Stage #1: 2-methylbut-2-enal; benzylamine With magnesium sulfate In dichloromethane at 20℃; for 1h; Inert atmosphere; Stage #2: With sodium tetrahydroborate In methanol at 0 - 20℃; for 16h; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
With zinc In diethyl ether at 0℃; for 6h; | 94% |
With diethyl ether; zinc | |
Stage #1: allyl bromide With indium(III) chloride; 4,4'-di-tert-butylbiphenyl In tetrahydrofuran for 0.5h; Stage #2: 2-methylbut-2-enal In tetrahydrofuran at 25℃; for 0.5h; | 91 %Chromat. |
2-methylbut-2-enal
(4R,5S)-4-methyl-5-phenyl-3-propionyloxazolidin-2-one
(4R,5S,2'R,3'R,4'E)-3-(2',4'-dimethyl-3'-hydroxy-1'-oxo-4'-hexenyl)-4-methyl-5-phenyl-2-oxazolidinone
Conditions | Yield |
---|---|
Stage #1: (4R,5S)-4-methyl-5-phenyl-3-propionyloxazolidin-2-one With di-n-butylboryl trifluoromethanesulfonate; N-ethyl-N,N-diisopropylamine In dichloromethane at 0℃; for 0.5h; Stage #2: 2-methylbut-2-enal In dichloromethane at -78 - 20℃; for 2h; pH=7; Stage #3: With dihydrogen peroxide In phosphate buffer; dichloromethane at 0℃; for 1h; | 94% |
Stage #1: (4R,5S)-4-methyl-5-phenyl-3-propionyloxazolidin-2-one With di-n-butylboryl trifluoromethanesulfonate; triethylamine In dichloromethane at -10 - 0℃; for 2.08333h; Stage #2: 2-methylbut-2-enal In dichloromethane at -78 - 20℃; | 89% |
Stage #1: (4R,5S)-4-methyl-5-phenyl-3-propionyloxazolidin-2-one With di-n-butylboryl trifluoromethanesulfonate; triethylamine In dichloromethane at 0℃; for 1h; Stage #2: 2-methylbut-2-enal In dichloromethane at -78 - 0℃; for 2h; Stage #3: With dihydrogen peroxide In methanol; phosphate buffer; dichloromethane at 0℃; for 1h; pH=7; Further stages.; | 88% |
Conditions | Yield |
---|---|
94% |
2-methylbut-2-enal
methyl 2-(triphenylphosphoranylidene)propionate
(E,E)-methyl 2,4-dimethylhexa-2,4-dienoate
Conditions | Yield |
---|---|
In dichloromethane for 48h; Heating; | 94% |
In dichloromethane for 48h; Heating; | 73% |
In dichloromethane at 40℃; for 18h; | 70% |
2-methylbut-2-enal
phenethylmagnesium chloride
(+/-)-(E)-4-methyl-1-phenylhex-4-en-3-ol
Conditions | Yield |
---|---|
Stage #1: 2-methylbut-2-enal; phenethylmagnesium chloride In tetrahydrofuran at 0 - 20℃; for 2h; Inert atmosphere; Stage #2: With ammonium chloride In tetrahydrofuran; water at 0℃; | 94% |
In tetrahydrofuran at 0 - 20℃; | 82% |
Conditions | Yield |
---|---|
Stage #1: n-octyne With n-butyllithium In diethyl ether; hexane at -78℃; Inert atmosphere; Stage #2: 2-methylbut-2-enal In diethyl ether; hexane at -78 - 20℃; Inert atmosphere; | 94% |
1,3 dithiane
2-methylbut-2-enal
(E)-1-(1,3-dithian-2-yl)-2-methylbut-2-en-1-ol
Conditions | Yield |
---|---|
Stage #1: 1,3 dithiane With n-butyllithium In tetrahydrofuran; hexane at -20℃; for 1h; Inert atmosphere; Stage #2: 2-methylbut-2-enal In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere; | 94% |
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