Dayangchem'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
Cas:626-34-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryColorcom 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
With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:626-34-6
Min.Order:1 Kilogram
FOB Price: $2.0 / 10.0
Type:Trading Company
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:626-34-6
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FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryName: Ethyl 3-aminocrotonate Synonyms: Beta-Aminocrotonic Acid Ethyl Ester CAS: 626-34-6 MF: C6H11NO2 Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:25kg/drum Application:Cosmetic Raw Materials, Detergent
1.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
Cas:626-34-6
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
Cas:626-34-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
Company 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:626-34-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur 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
Cas:626-34-6
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
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:626-34-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the marketing & distribution, thinkchem specializes in exp
Product name: Ethyl 3-Aminocrotonate CAS No.:626-34-6 Molecule Formula:C6H11NO2 Molecule Weight:129.16 Purity: 99.0% Package: 25kg/drum Description: White to off-white crystalline powder Manufacture Standards:Enterprise Standard
Cas:626-34-6
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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
Cas:626-34-6
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Product Name: ETHYL 3-AMINOCROTONATE Synonyms: Ethyl (2Z)-3-amino-2-butenoate;(Z)-ETHYL 3-AMINOBUT-2-ENOATE;3-AMINOCROTONIC ACIDETHYL ESTER;AURORA KA…Appearance:Solid powder Storage:Sealed,light and oxygen resistant Package:aluminum foil bag,carton
We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:626-34-6
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:626-34-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryR & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Cas:626-34-6
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquirystable supply&competitive price Storage:Available Package:25KG Or as client requirement Application:Important pharm intermediate Transportation:By air or By sea
high 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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Factory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:626-34-6
Min.Order:0
Negotiable
Type:Trading Company
inquirySupply top quality products with a reasonable price Application:api
Ethyl 3-aminocrotonate cas 626-34-6Appearance: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 priceAppearance:liquid 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
Conditions | Yield |
---|---|
With ammonium carbamate In methanol at 20℃; for 1.5h; | 100% |
With ammonia; silica gel at 20℃; for 4h; | 99% |
With ammonium hydroxide; montmorillonite K-10 for 24h; Ambient temperature; | 90% |
2-Acetyl-4,4,5,5,6,6,7,7,8,8,9,9,9-tridecafluoro-3-oxo-nonanoic acid ethyl ester
A
tridecafluoroheptamide
B
ethyl 3-aminobut-2-enoate
Conditions | Yield |
---|---|
With ammonia In water at -20 - 20℃; for 3h; | A 95% B n/a |
2-Acetyl-4,4,5,5-tetrafluoro-3-oxo-pentanoic acid ethyl ester
A
3-hydro-2,2,3,3-tetrafluoropropionamide
B
ethyl 3-aminobut-2-enoate
Conditions | Yield |
---|---|
With ammonia In water at -20 - 20℃; for 3h; | A 83% B n/a |
Conditions | Yield |
---|---|
at 20℃; | 76% |
Conditions | Yield |
---|---|
With zinc(II) oxide; zinc In tetrahydrofuran for 2h; Irradiation; sonochemical reaction; | 67% |
ethyl acetoacetate
dimethyl sulfoxide
A
diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
B
2,6-dimethyl-pyridine-3,5-dicarboxylic acid diethyl ester
C
ethyl 3-aminobut-2-enoate
Conditions | Yield |
---|---|
With ammonium acetate at 115℃; for 10h; Sealed tube; | A 17% B 12% C 50% |
ethyl aminocrotonate
ethyl 3-aminobut-2-enoate
Conditions | Yield |
---|---|
With ammonium acetate In ethanol at 20℃; for 60h; Inert atmosphere; Schlenk technique; |
1-(4-methylphenyl)prop-2-yn-1-one
ethyl 3-aminobut-2-enoate
ethyl 2-methyl-6-(4-tolyl)pyridine-3-carboxylate
Conditions | Yield |
---|---|
Stage #1: 1-(4-methylphenyl)prop-2-yn-1-one; ethyl 3-aminobut-2-enoate In ethanol at 50℃; Addition; Stage #2: at 125℃; for 1h; Cyclization; Further stages.; | 100% |
ethyl 3-aminobut-2-enoate
phenyl propargyl ketone
ethyl 2-methyl-6-phenylnicotinate
Conditions | Yield |
---|---|
In acetic acid; toluene at 170℃; for 0.166667h; Product distribution; Further Variations:; Solvents; microwave irradiation; Bohlmann-Rahtz synthesis; | 98% |
methyl 3,3,3-trifluoropyruvate
ethyl 3-aminobut-2-enoate
Conditions | Yield |
---|---|
at 20℃; for 2h; Neat (no solvent); | 98% |
methyl 3,3,3-trifluoropyruvate
ethyl 3-aminobut-2-enoate
ethyl [4-hydroxy-5-oxo-4-(trifluoromethyl)pyrrolidin-2-ylidene]acetate
Conditions | Yield |
---|---|
at 20℃; for 2h; Neat (no solvent); | 98% |
ethyl 3-aminobut-2-enoate
1-(2-thiazolyl)propynone
Conditions | Yield |
---|---|
Stage #1: ethyl 3-aminobut-2-enoate; 1-(2-thiazolyl)propynone In ethanol at 50℃; Addition; Stage #2: at 125℃; for 1h; Cyclization; Further stages.; | 97% |
ethyl (2Z)-3-phenyl-3-(phenylamino)prop-2-enoate
ethyl 3-aminobut-2-enoate
Conditions | Yield |
---|---|
With tetrabutylammonium hexanitratocerate(IV) In chloroform | 96% |
ethyl acetoacetate
ethyl 3-aminobut-2-enoate
(2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl)methanal
diethyl 4-(2',3',4',6'-tetra-O-benzyl-β-D-galactopyranosyl)-1,4-dihydro-2,6-dimethylpyridine-3,5-dicarboxylate
Conditions | Yield |
---|---|
With ytterbium(III) triflate In tetrahydrofuran at 90℃; for 12h; Hantzsch cyclocondensation; | 95% |
maleic anhydride
ethyl 3-aminobut-2-enoate
2-(4-(ethoxycarbonyl)-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic acid
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 0.5h; | 95% |
ethyl 3-aminobut-2-enoate
acetoacetic acid methyl ester
2,3-dichlorobenzylaldehyde
ethyl methyl 1,4-dihydro-2,6-dimethyl-4(2,3-dichlorophenyl)-3,5-pyridinedicarboxylate
Conditions | Yield |
---|---|
Stage #1: ethyl 3-aminobut-2-enoate; acetoacetic acid methyl ester; 2,3-dichlorobenzylaldehyde With piperidine; pyridine In neat (no solvent) at 75 - 80℃; for 9h; Stage #2: With ethanol for 1h; Reagent/catalyst; Solvent; Reflux; | 94.3% |
4-hydroxy-6-methylquinolin-2(1H)-one
ethyl 3-aminobut-2-enoate
4,9-Dimethyl-6H-pyrano[3,2-c]quinoline-2,5-dione
Conditions | Yield |
---|---|
In nitrobenzene at 200℃; for 1h; | 94% |
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 170℃; for 0.333333h; Bohlmann-Rahtz reaction; microwave irradiation; | 94% |
ethyl 3-aminobut-2-enoate
(Z)-ethyl 3-((4-bromophenyl)amino)-3-phenylacrylate
Conditions | Yield |
---|---|
With tetrabutylammonium hexanitratocerate(IV) In chloroform | 94% |
ethyl 3-aminobut-2-enoate
propynoic acid methyl ester
(2E,4Z)-5-ethyl 1-methyl 4-(1-aminoethylidene)pent-2-enedioate
Conditions | Yield |
---|---|
at 110℃; for 10h; | 93% |
at 108℃; for 3h; Inert atmosphere; Neat (no solvent); | 72% |
In benzene | |
In toluene for 36h; Reflux; Inert atmosphere; | |
In toluene for 16h; Inert atmosphere; Reflux; |
ethyl (Z)-3-amino-3-phenylacrylate
ethyl 3-aminobut-2-enoate
diethyl 2-methyl-5-phenyl-1H-pyrrole-3,4-dicarboxylate
Conditions | Yield |
---|---|
With tetrabutylammonium hexanitratocerate(IV) In acetonitrile at 20℃; for 1h; | 92% |
ethyl 3-aminobut-2-enoate
(Z)-ethyl 3-((4-chlorophenyl)amino)-3-phenylacrylate
Conditions | Yield |
---|---|
With tetrabutylammonium hexanitratocerate(IV) In methanol at 20℃; | 92% |
4-hydroxy-1-methyl-2(1H)-quinolone
ethyl 3-aminobut-2-enoate
4,6-dimethyl-5,6-dihydro-2H-pyrano[3,2-c]quinoline-2,5-dione
Conditions | Yield |
---|---|
In nitrobenzene at 200℃; for 1h; | 91% |
ethyl 3-aminobut-2-enoate
Conditions | Yield |
---|---|
In acetic acid for 0.25h; Heating; | 91% |
ethyl 3-aminobut-2-enoate
Conditions | Yield |
---|---|
With tetrabutylammonium hexanitratocerate(IV) In chloroform | 91% |
ethyl 3-aminobut-2-enoate
3,4,6-tri-O-benzyl-1,2-dideoxy-2-nitro-D-arabino-hex-1-enopyranose
(Z)-ethyl 2-(3,4,6-tri-O-benzyl-2-deoxy-2-nitro-β-D-glucopyranosyl)-3-aminobut-2-enoate
Conditions | Yield |
---|---|
at 95℃; for 6h; Michael type addition; neat (no solvent); stereoselective reaction; | 91% |
tetrahydro-1,3-oxazine
ethyl 3-aminobut-2-enoate
diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Conditions | Yield |
---|---|
With acetic acid In acetonitrile for 0.1h; Ambient temperature; | 90% |
ethyl 3-aminobut-2-enoate
5-amino-2,4-dihydro-4-<(phenylamino)methylene>-2-phenyl-3H-pyrazole-3-one
3-<<1,5-dihydro-5-oxo-4-<(phenylamino)methylene>-1-phenyl-4H-pyrazole-3-yl>amino>-2-butenoate d'ethyle
Conditions | Yield |
---|---|
In acetic acid at 20℃; | 90% |
ethyl 3-aminobut-2-enoate
p-benzoquinone
ethyl 5-hydroxy-2-methylindole-3-carboxylate
Conditions | Yield |
---|---|
With acetic acid at 15 - 40℃; for 2.5h; Nenitzescu indole synthesis; | 90% |
Conditions | Yield |
---|---|
With ammonium acetate In ethanol at 85℃; for 2h; | 89.2% |
2-amino-5,5-dimethyl-3-cyano-4,5-dihydro-7H-thieno<2,3-c>pyran
ethyl 3-aminobut-2-enoate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene for 16h; Reflux; | 89% |
2-chloro-3,4-dihydro-3-oxo-2H-1,4-benzothiazine
ethyl 3-aminobut-2-enoate
ethyl 3-amino-2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)but-2-enoate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane for 4h; Heating; | 87% |
1,1-Dioxo-5-N-formyl-2,3,4,5-tetrahydro-[1,5]-benzothiazepine-3-one
ethyl 3-aminobut-2-enoate
2,3-dichlorobenzylaldehyde
Ethyl 4-(2,3-dichlorophenyl)-5,5-dioxo-10-formyl-2-methyl-1,4,10,11-tetrahydropyrido[3,2-b][1,5]-benzothiazepine-3-carboxylate
Conditions | Yield |
---|---|
In ethanol | 86% |
malonic acid bis-(2,4,6-trichloro-phenyl) ester
ethyl 3-aminobut-2-enoate
4,6-dihydroxy-2-methyl nicotinic acid ethyl ester
Conditions | Yield |
---|---|
for 0.833333h; Time; Reflux; | 86% |
Conditions | Yield |
---|---|
With tetra(n-butyl)ammonium hydrogensulfate In ethylene glycol at 85℃; for 4h; Inert atmosphere; | 86% |
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