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:1585-90-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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
Cas:1585-90-6
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryHebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. After many years of efforts, we have established stable
Cas:1585-90-6
Min.Order:1 Metric Ton
FOB Price: $1.0 / 2.0
Type:Manufacturers
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:1585-90-6
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryLIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.
Cas:1585-90-6
Min.Order:1 Kilogram
FOB Price: $0.9 / 1.0
Type:Lab/Research institutions
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:1585-90-6
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FOB Price: $1.0 / 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:1585-90-6
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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
Cas:1585-90-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1-(2-HYDROXY-ETHYL)-PYRROLE-2,5-DIONE CAS:1585-90-6 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 qual
Cas:1585-90-6
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:1585-90-6
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
Cas:1585-90-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
Cas:1585-90-6
Min.Order:1 Kilogram
FOB Price: $1.0 / 100000.0
Type:Lab/Research institutions
inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:1585-90-6
Min.Order:4 Kilogram
Negotiable
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:1585-90-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:1585-90-6
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiry1-(2-HYDROXY-ETHYL)-PYRROLE-2,5-DIONE;N-(2-HYDROXYETHYL)MALEIMIDE;N-(Ethanol)maleimide;N-(2-Hydroxyethyl)MaleiMide,99%;1H-Pyrrole- 2,5-dione, 1-(2-hydroxyethyl)-; N-hydroxyethylMaleiciMide; N-Hydroxyethyl MaleiMide; 1-(2-hydroxyethyl)-1H-pyrrole-2,
Cas:1585-90-6
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryProduct name: N-Hydroxyethylmaleimide CAS No.:1585-90-6 Molecule Formula:C6H7NO3 Molecule Weight:141.12 Purity: 98% Package: 25kg/drum Description:Light yellow crystalline powder Manufacture Standards:Enterprise Standard TESTING
Cas:1585-90-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1-(2-HYDROXY-ETHYL)-PYRROLE-2,5-DIONE Chemical Properties Melting point 66-67 °C (lit.) 67-74 °C Boiling point 130°C/0.005mmHg(lit.) density 1.395 storage temp. 2-8°C pka 14.21±0.10(Predicted) form Powder
Cas:1585-90-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
Cas:1585-90-6
Min.Order:0
Negotiable
Type:Trading Company
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
Cas:1585-90-6
Min.Order:1 Kilogram
FOB Price: $2.0
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:1585-90-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:1585-90-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryLower 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
Cas:1585-90-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or 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:1585-90-6
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryAcmec 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
Cas:1585-90-6
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh qualityAppearance:white crystalline powder 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
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
Cas:1585-90-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
In toluene at 110℃; Inert atmosphere; | 99% |
In toluene at 110℃; for 5h; Inert atmosphere; | 28% |
In toluene Reflux; |
4-(2-hydroxy-ethyl)-10-oxa-4-aza-tricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
With 1,4-dimethoxybezene In xylene at 130℃; for 3.25h; Heating / reflux; | 93% |
In toluene at 105℃; for 16h; | 92% |
In toluene at 120℃; | 82% |
Conditions | Yield |
---|---|
With sulfuric acid; copper(II) sulfate; sodium sulfate In 5,5-dimethyl-1,3-cyclohexadiene at 140℃; for 2h; | 88% |
Stage #1: maleic anhydride; ethanolamine In acetone at 20℃; for 1h; Stage #2: With sodium acetate; triethylamine; hydroquinone at 115℃; for 2.5h; | 30% |
In toluene at 80℃; for 2h; | 25% |
2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl acetate
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In methanol; water for 72h; Heating; | 81% |
N-methoxycarbonylmaleimide
ethanolamine
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
With sodium hydrogencarbonate at 0 - 25℃; | 75% |
With sodium hydrogencarbonate In water | 63% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
In toluene for 10h; Reflux; | 54% |
2-[(3-carboxy-1-oxo-2-propenyl)amino]-ethanol
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
With sodium acetate; acetic anhydride at 70℃; | 35% |
With sulfuric acid at 60℃; |
N-(2-Hydroxyethyl)-maleinsaeureamid
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
With triethylamine In toluene for 2h; Heating; | 14% |
2-(1H-pyrrol-1-yl)ethanol
A
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
B
2,3-dihydropyrrolo[2,1-b]oxazol-5(7ah)-one
C
5-hydroxy-1-(2-hydroxyethyl)-1H-pyrrol-2(5H)-one
Conditions | Yield |
---|---|
With water; oxygen; 5,15,10,20-tetraphenylporphyrin In tetrachloromethane at 0℃; Irradiation; | |
With decatungstate(4-); water; oxygen In acetonitrile at 0℃; Irradiation; |
2-(1H-pyrrol-1-yl)ethanol
methanol
A
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
B
2,3-dihydropyrrolo[2,1-b]oxazol-5(7ah)-one
C
5-hydroxy-1-(2-hydroxyethyl)-1H-pyrrol-2(5H)-one
D
1-(2-hydroxyethyl)-5-methoxy-1H-pyrrol-2(5H)-one
Conditions | Yield |
---|---|
With water; oxygen; rose bengal at 0℃; Irradiation; |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
Heating; |
Conditions | Yield |
---|---|
at 100℃; Kinetics; Temperature; |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
In toluene Reflux; | |
In toluene for 48h; Reflux; |
furan
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
(+/-)-(3aR,4S,7R,7aS)-2-(2-hydroxyethyl)-3a,4,7,7a-tetrahydro-1H-4,7-epoxyisoindole-1,3(2H)-dione
Conditions | Yield |
---|---|
In benzene Diels-Alder reaction; Heating; | 99% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
[2-(anthracen-9-yl)ethynyl]trimethylsilane
Conditions | Yield |
---|---|
In toluene at 120℃; Diels-Alder Cycloaddition; | 97% |
In toluene at 120℃; | 89% |
Conditions | Yield |
---|---|
In toluene at 75℃; for 24h; Diels-Alder Cycloaddition; | 95% |
Conditions | Yield |
---|---|
With zinc tetraphenylporphyrin In dimethylsulfoxide-d6 at 20℃; for 20h; Irradiation; Inert atmosphere; Sealed tube; stereospecific reaction; | 95% |
Conditions | Yield |
---|---|
In toluene at 160℃; for 4h; | 94% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
trifluoromethylsulfonic anhydride
2-(2,5-dioxo-1H-pyrrol-1-yl)ethyl trifluoromethanesulfonate
Conditions | Yield |
---|---|
In diethyl ether for 1h; Ambient temperature; | 91% |
With 2,6-dimethylpyridine In dichloromethane at 0℃; for 1h; |
Conditions | Yield |
---|---|
In toluene at 75℃; for 12h; Diels-Alder Cycloaddition; | 90.09% |
In ethyl acetate at 60℃; for 48h; Solvent; Temperature; Diels-Alder Cycloaddition; Inert atmosphere; | 81% |
In benzene for 20h; Reflux; | 62% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
diketene acetal (3,9-bis(ethylidene)-2,4,8,10-tetraoxaspiro<5,5>undecane)
C23H30N2O10
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In diethyl ether at 20℃; for 2h; Inert atmosphere; | 90% |
Conditions | Yield |
---|---|
In toluene at 80℃; | 90% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 3h; | 88% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
2,6-difluorobenzoylchloride
2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl 2,6-difluorobenzoate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 0.166667h; Inert atmosphere; | 87% |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 0.25h; Irradiation; Inert atmosphere; | 87% |
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid In toluene at 100℃; for 5h; | 86% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
p-toluenesulfonyl chloride
N-(2-Tosyloxyethyl)-maleimid
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran for 72h; Ambient temperature; | 85% |
With triethylamine In dichloromethane at 0 - 20℃; for 24h; | 73% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
In isopropyl alcohol; toluene for 12h; Reflux; | 85% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 0.25h; Irradiation; Inert atmosphere; | 84% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
2,5-dimethyl-3,4-diphenylcyclopenta-2,4-dienone
Conditions | Yield |
---|---|
In benzene for 6h; Heating; | 84% |
3-pyridinecarboxaldehyde
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
sarcosine
Conditions | Yield |
---|---|
In 1,4-dioxane at 100℃; for 6h; Optical yield = 4 %de; | 83% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
bis(trichloromethyl) carbonate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane for 72h; Ambient temperature; | 80% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
2-bromoisobutyric acid bromide
2-bromo-2-methylpropionic acid 2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethyl ester
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; Cooling with ice; | 80% |
With triethylamine In tetrahydrofuran at 0 - 20℃; for 42h; | 69% |
1,6-Hexanediamine
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
C18H30N4O6
Conditions | Yield |
---|---|
In chloroform for 24h; Michael-like addition; Reflux; | 80% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
heptane-1,7-diamine
C19H32N4O6
Conditions | Yield |
---|---|
In chloroform for 24h; Michael-like addition; Reflux; | 80% |
Conditions | Yield |
---|---|
In chloroform for 24h; Michael-like addition; Reflux; | 80% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
α-chlorophenylacetyl chloride
2-maleimidoethyl 2-chloro-2-phenylacetate
Conditions | Yield |
---|---|
With triethylamine In chloroform at 0 - 20℃; | 80% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
3-(trimethoxysilyl)propyl isocyanate
Conditions | Yield |
---|---|
With dibutyltin dilaurate In toluene at 50 - 58℃; Inert atmosphere; | 80% |
1-(2-hydroxyethyl)-1H-pyrrole-2,5-dione
2-{4-[6-bis(2-chloroethyl)amino-3-methylbenzo[d]imidazol-2-yl]butanoyl}oxyethylmaleimide
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 24.5h; | 79.8% |
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