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:930-21-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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
The 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
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:930-21-2
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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:930-21-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. Best prices with satisfied quality; 2. It's clients' right to choose the package's Courier (EMS, DHL, FedEx, UPS); 3.It's clients' right to choose the packing way for his produccts from many recent effective packing ways;
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
2-Azetidinone CAS:930-21-2 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 organic intermediate
Cas:930-21-2
Min.Order:1 Gram
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
Best 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
We are concentrating on APIs and pharmaceutical intermediates. With in depth knowledge and understanding in this industry, we are indulged in supplying a wide assortments of 2-Azetidinone from Wuhan, Hubei, China. It is made obtainable from u
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
J&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
Zibo 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:930-21-2
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:colourless liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediat
Product Name:2-AzetidinoneSynonyms:PROPIOLACTAM;2-AZACYCLOBUTANONE;2-AZETIDINONE;BETA-PROPIOLACTAM;AZETAN-2-ONE;AZETIDIN-2-ONE;Azetidin-2-one 98%;β-Propiolactam, 2-AzacyclobutanoneCAS:930-21-2MF:C3H5NOMW:71.08EINECS:Product Categories:
Cas:930-21-2
Min.Order:1 Metric Ton
FOB Price: $20.0
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,
Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
We 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
Shandong 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
High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
high 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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
stable supply&competitive price Storage:Available Package:25KG Or as client requirement Application:Important pharm intermediate 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
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
Appearance: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
(R)-Methyl lactate
2-azetidinone
Conditions | Yield |
---|---|
Stage #1: (R)-Methyl lactate With dmap; triethyl phosphite at 2 - 20℃; for 5.66667h; Stage #2: With sodium hydroxide at 55℃; for 1.5h; Temperature; | 95.6% |
Conditions | Yield |
---|---|
With triphenylphosphine In acetonitrile for 4.5h; Heating; | 80% |
With sodium hydrogencarbonate; methanesulfonyl chloride In acetonitrile at 80℃; | 36% |
With 2,2'-dipyridyldisulphide; triphenylphosphine In acetonitrile for 5h; Heating; | 0.44 g |
In toluene at 90℃; Inert atmosphere; Green chemistry; |
amino-azetidinone
2-azetidinone
Conditions | Yield |
---|---|
With N-nitrosodiphenylamine In benzene for 3h; Heating; | 61% |
Conditions | Yield |
---|---|
With ruthenium(IV) oxide; sodium periodate In ethyl acetate for 24h; Ambient temperature; | A 35% B 42% |
Conditions | Yield |
---|---|
With ruthenium(IV) oxide; sodium periodate In ethyl acetate for 72h; Ambient temperature; | 36% |
Conditions | Yield |
---|---|
With triisobutylaluminum In diethyl ether at 45 - 50℃; for 15h; | 28% |
diethyl ether
3-amino-propionic acid ethyl ester
ethylmagnesium bromide
2-azetidinone
Conditions | Yield |
---|---|
With diethyl ether anschliessend Behandeln mit wss.Ammoniumchlorid-Loesung; |
4-acetoxy azetidinone
2-azetidinone
Conditions | Yield |
---|---|
With sodium tetrahydroborate; acidic Amberlite resin 1.) ethanol, 0 deg C, 1 h; 2.) 0.5 h, 0 deg C; Yield given. Multistep reaction; | |
With potassium borohydride In water | |
With sodium borohydrid; sodium chloride In water; pentane | 8.7 g (61%) |
In Potassium borohydride; dichloromethane; water |
1-[(4-methylphenyl)sulfonyl]azetidin-2-one
2-azetidinone
Conditions | Yield |
---|---|
With acetic acid In N,N-dimethyl-formamide at 20℃; Hg-cathode, Et4NClO4; | 89 % Chromat. |
2-azetidinone
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane; water at 20℃; |
A
2-azetidinone
B
N-hydroxymethylazetidin-2-one
Conditions | Yield |
---|---|
With hydrogenchloride; sodium perchlorate In water at 25℃; pH=2; Kinetics; Further Variations:; Reagents; Temperatures; Solvents; pH-values; |
A
2-azetidinone
B
N-hydroxymethylazetidin-2-one
Conditions | Yield |
---|---|
With hydrogenchloride; sodium perchlorate In water at 25℃; pH=2; Kinetics; Further Variations:; Reagents; pH-values; Solvents; |
A
2-azetidinone
B
N-hydroxymethylazetidin-2-one
Conditions | Yield |
---|---|
With hydrogenchloride; sodium perchlorate In water at 25℃; pH=2; Kinetics; Further Variations:; Reagents; pH-values; Solvents; |
A
2-azetidinone
B
N-hydroxymethylazetidin-2-one
Conditions | Yield |
---|---|
With hydrogenchloride; sodium perchlorate In water at 25℃; pH=2; Kinetics; Further Variations:; Reagents; pH-values; Solvents; |
A
2-azetidinone
B
N-hydroxymethylazetidin-2-one
Conditions | Yield |
---|---|
With hydrogenchloride; sodium perchlorate In water at 25℃; pH=2; Kinetics; Further Variations:; Reagents; pH-values; Solvents; |
A
2-azetidinone
B
N-hydroxymethylazetidin-2-one
Conditions | Yield |
---|---|
With hydrogenchloride; sodium perchlorate In water at 25℃; pH=2; Kinetics; Further Variations:; Reagents; pH-values; Solvents; |
A
2-azetidinone
B
N-hydroxymethylazetidin-2-one
Conditions | Yield |
---|---|
With hydrogenchloride; sodium perchlorate In water at 25℃; pH=2; Kinetics; Further Variations:; Reagents; pH-values; Solvents; |
A
2-azetidinone
B
ethyl 2-hydroxy-2-(2-oxo-azetidin-1-yl)acetate
Conditions | Yield |
---|---|
With hydrogenchloride; sodium perchlorate In water at 25℃; pH=2; Kinetics; Further Variations:; Reagents; pH-values; Solvents; Temperatures; |
2-azetidinone
Conditions | Yield |
---|---|
With triethylamine In acetonitrile at 20℃; |
1-(4-chlorobenzoyl)-1-azetidin-2-one
A
2-azetidinone
B
4-chlorobenzoate ion
Conditions | Yield |
---|---|
With sodium hydroxide; potassium chloride In water; acetonitrile at 30℃; Kinetics; |
1-(4-methoxybenzoyl)-1-azetidin-2-one
A
2-azetidinone
B
p-methoxybenzoate(1-)
Conditions | Yield |
---|---|
With sodium hydroxide; potassium chloride In water; acetonitrile at 30℃; Kinetics; |
1-(4-nitrobenzoyl)-1-azetidin-2-one
A
2-azetidinone
B
4-nitrobenzoate
Conditions | Yield |
---|---|
With sodium hydroxide; potassium chloride In water; acetonitrile at 30℃; Kinetics; |
Conditions | Yield |
---|---|
With sodium hydroxide; potassium chloride In water; acetonitrile at 30℃; Kinetics; Further Variations:; pH-values; Solvents; Temperatures; |
2-azetidinone
Conditions | Yield |
---|---|
With triethylamine In dichloromethane |
2-azetidinone
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 25 - 30℃; |
2-azetidinone
glyoxylic acid ethyl ester
ethyl 2-hydroxy-2-(2-oxo-azetidin-1-yl)acetate
Conditions | Yield |
---|---|
In toluene for 3h; Heating; | 100% |
2-azetidinone
1-bromo-5-(tert-butyl)-2-methoxy-3-nitrobenzene
1-(5-tert-butyl-2-methoxy-3-nitro-phenyl)-azetidin-2-one
Conditions | Yield |
---|---|
With caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; tris-(dibenzylideneacetone)dipalladium(0) In 1,4-dioxane at 100℃; for 20h; | 100% |
2-azetidinone
thiophene-2-carbaldehyde
1-(thiophene-2-carbonyl)azatedin-2-one
Conditions | Yield |
---|---|
With Shvo's Catalyst In toluene at 100℃; for 24h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With methyltrifluoromethyldioxirane In water at 0℃; for 0.5h; | 99% |
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride; acetic acid In acetonitrile at 60℃; for 3h; Electrochemical reaction; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With sulfuric acid In acetic acid at 20℃; for 18h; | 98% |
2-azetidinone
2-phenylethyl chloroformate
Conditions | Yield |
---|---|
With lithium hexamethyldisilazane In tetrahydrofuran at -78 - 20℃; for 1.75h; | 98% |
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid In 1,2-dichloro-ethane at 20℃; | 98% |
2-azetidinone
1-heptyl-3-iodoquinolin-4(1H)-one
1-heptyl-3-(2-oxoazetidin-1-yl)quinolin-4(1H)-one
Conditions | Yield |
---|---|
With copper; potassium carbonate; N,N`-dimethylethylenediamine In toluene at 135℃; for 1h; Ullmann type reaction; Inert atmosphere; | 97% |
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane for 24h; Heating; | 96% |
With triethylamine In dichloromethane at 20℃; | 66% |
With triethylamine In dichloromethane at 35℃; for 0.166667h; Microwave irradiation; Inert atmosphere; |
2-azetidinone
3-methoxy-1-iodobenzene
N-(3-methoxyphenyl)azetidin-2-one
Conditions | Yield |
---|---|
With copper(l) iodide; potassium carbonate In toluene at 18 - 140℃; for 20h; Goldberg-Buchwald cross-coupling; Inert atmosphere; Sealed; | 96% |
Conditions | Yield |
---|---|
With copper(l) iodide; potassium carbonate In toluene at 18 - 140℃; for 20h; Goldberg-Buchwald cross-coupling; Inert atmosphere; Sealed; | 96% |
With D-glucose; (R,R)-N,N'-dimethyl-1,2-diaminocyclohexane; copper(ll) bromide; sodium t-butanolate In water at 50℃; Inert atmosphere; | 79% |
Conditions | Yield |
---|---|
With Shvo's Catalyst In toluene at 100℃; for 24h; Inert atmosphere; | 96% |
Conditions | Yield |
---|---|
With tris(dibenzylideneacetone)dipalladium (0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane at 100℃; for 16h; Arylation; | 95% |
With tris(dibenzylideneacetone)dipalladium (0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane at 100℃; for 16h; | 93% |
With 1,1'-bis(diphenylphosphino)ferrocene; sodium t-butanolate; palladium diacetate In toluene at 120℃; for 48h; Phenylation; | 20% |
Conditions | Yield |
---|---|
With potassium phosphate; copper(l) iodide; (S,S)-1,2-diaminocyclohexane In 1,4-dioxane at 110℃; for 23h; | 95% |
With potassium phosphate; copper(l) iodide; (S,S)-1,2-diaminocyclohexane In 1,4-dioxane; dodecane at 110℃; for 23h; | 95% |
Conditions | Yield |
---|---|
With copper(l) iodide; potassium carbonate In toluene at 110℃; for 24h; | 95% |
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid In 1,2-dichloro-ethane at 20℃; | 95% |
2-azetidinone
3,5-dimethylphenyl iodide
Conditions | Yield |
---|---|
95% |
Conditions | Yield |
---|---|
With copper(l) iodide; potassium carbonate In toluene at 18 - 140℃; for 20h; Goldberg-Buchwald cross-coupling; Inert atmosphere; Sealed; | 95% |
2-azetidinone
Conditions | Yield |
---|---|
With potassium phosphate; copper(l) iodide; trans-1,2-Diaminocyclohexane In 1,4-dioxane at 110℃; for 24h; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
With Ru-carbon; sodium acetate; acetic acid In ethyl acetate for 2.5h; Ambient temperature; | 94% |
Conditions | Yield |
---|---|
With tris(dibenzylideneacetone)dipalladium (0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane at 100℃; for 18h; Arylation; | 94% |
2-azetidinone
tert-butyldimethylsilyl chloride
1-tert-butyldimethylsilylazetidin-2-one
Conditions | Yield |
---|---|
With triethylamine at 0℃; for 1h; | 93% |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 24h; Inert atmosphere; | 90% |
With triethylamine In N,N-dimethyl-formamide at 0℃; for 0.5h; | 61% |
Conditions | Yield |
---|---|
Stage #1: 2-azetidinone With n-butyllithium; 1,1,1,3,3,3-hexamethyl-disilazane In tetrahydrofuran at -78℃; for 1.5h; Inert atmosphere; Stage #2: benzyl chloroformate In tetrahydrofuran at -78 - 20℃; for 6h; Inert atmosphere; | 93% |
With lithium hexamethyldisilazane In tetrahydrofuran at -78 - 20℃; for 1.75h; | 75% |
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid In 1,2-dichloro-ethane at 20℃; | 93% |
2-azetidinone
dichloro(1,5-cyclooctadiene)platinum(ll)
[Pt(C8H12)(C3H4NO)2]
Conditions | Yield |
---|---|
With silver(I) oxide In dichloromethane reflux (4 h); filtration, concn., pptn. with light petroleum, filtration, washing (light petroleum), drying (vac.); elem. anal.; | 93% |
2-azetidinone
di-tert-butyl dicarbonate
tert-butyl 2-oxoazetidine-1-carboxylate
Conditions | Yield |
---|---|
With dmap In acetonitrile at 0 - 20℃; Inert atmosphere; | 93% |
With dmap In acetonitrile at 0 - 20℃; Inert atmosphere; | 90% |
With dmap; triethylamine In dichloromethane at 20℃; for 12h; Inert atmosphere; | 86% |
Conditions | Yield |
---|---|
With copper(l) iodide; potassium carbonate In toluene at 18 - 140℃; for 20h; Goldberg-Buchwald cross-coupling; Inert atmosphere; Sealed; | 93% |
Conditions | Yield |
---|---|
With Shvo's Catalyst In toluene at 100℃; for 24h; Inert atmosphere; | 93% |
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