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:934664-41-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryFactory supply 1-Boc-3-Methylideneazetidine CAS 934664-41-2 with fast delivery Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates,
Cas:934664-41-2
Min.Order:10 Kilogram
FOB Price: $10.0
Type:Trading Company
inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap
Cas:934664-41-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryHebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car
Cas:934664-41-2
Min.Order:1 Metric Ton
FOB Price: $1.0 / 2.0
Type:Trading Company
inquiryWith 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:934664-41-2
Min.Order:1 Kilogram
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:934664-41-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1-Boc-3-methylideneazetid... CAS:934664-41-2 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 org
Cas:934664-41-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:934664-41-2
Min.Order:10 Gram
Negotiable
Type:Trading Company
inquiry1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products with competi
Cas:934664-41-2
Min.Order:10 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
Cas:934664-41-2
Min.Order:0
Negotiable
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:934664-41-2
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:934664-41-2
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:934664-41-2
Min.Order:10 Gram
FOB Price: $100.0
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:934664-41-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1-Boc-3-methylideneazetid... Basic information Product Name: 1-Boc-3-methylideneazetid... Synonyms: 1-Boc-3-methylideneazetid...;1-Boc-3-Methylideneazetidine;tert-butyl 3-Methyleneazetidine-1-carboxylate;1-Boc-3-Methylene-azetidine;tert-butyl
Cas:934664-41-2
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
Zhenyu 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:934664-41-2
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:934664-41-2
Min.Order:0
Negotiable
Type:Manufacturers
inquiryHigh 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
Shanghai Finebiotech Co.,Ltd.was established in 2020, which providing professional chemical services. As a customer-oriented company, we have distinguished ourself from others in providing worldwide customers with cost-effective and efficient service
Cas:934664-41-2
Min.Order:0
Negotiable
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:934664-41-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryTAIHO 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
Cas:934664-41-2
Min.Order:0
Negotiable
Type:Manufacturers
inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:934664-41-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryOur own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin
Cas:934664-41-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:934664-41-2
Min.Order:0
Negotiable
Type:Trading Company
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
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:any port in China
Cas:934664-41-2
Min.Order:0
Negotiable
Type:Trading Company
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:934664-41-2
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquirytert-butyl 3-oxoazetidine-1-carboxylate
Methyltriphenylphosphonium bromide
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
Stage #1: potassium tert-butylate; Methyltriphenylphosphonium bromide In diethyl ether at 20℃; for 1h; Stage #2: tert-butyl 3-oxoazetidine-1-carboxylate In diethyl ether at 35℃; for 2h; | 100% |
Stage #1: Methyltriphenylphosphonium bromide With potassium tert-butylate In diethyl ether at 20℃; for 1h; Stage #2: tert-butyl 3-oxoazetidine-1-carboxylate In diethyl ether at 35℃; for 2h; | 100% |
Stage #1: Methyltriphenylphosphonium bromide With potassium tert-butylate In diethyl ether at 20℃; for 1h; Stage #2: tert-butyl 3-oxoazetidine-1-carboxylate In diethyl ether at 35℃; for 2h; | 100% |
tert-butyl 3-oxoazetidine-1-carboxylate
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With potassium tert-butylate; methyl-triphenylphosphonium iodide In diethyl ether at 35℃; for 2h; | 99% |
tert-butyl 3-oxoazetidine-1-carboxylate
methyl-triphenylphosphonium iodide
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
Stage #1: methyl-triphenylphosphonium iodide With potassium tert-butylate In tetrahydrofuran at 0℃; for 0.5h; Inert atmosphere; Stage #2: tert-butyl 3-oxoazetidine-1-carboxylate In tetrahydrofuran at 10 - 20℃; for 2h; | 96% |
tert-butyl 3-oxoazetidine-1-carboxylate
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With potassium tert-butylate In diethyl ether at 20℃; | 61% |
di-tert-butyl dicarbonate
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: triethylamine / methanol / 2.5 h / -10 °C 1.2: -10 °C 2.1: oxalyl dichloride; triethylamine / dichloromethane; dimethyl sulfoxide / 15 h / -78 - 20 °C 3.1: potassium tert-butylate; methyl-triphenylphosphonium iodide / diethyl ether / 2 h / 35 °C View Scheme |
tert-butyl 3-hydroxyazetidine-1-carboxylate
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: oxalyl dichloride; triethylamine / dichloromethane; dimethyl sulfoxide / 15 h / -78 - 20 °C 2: potassium tert-butylate; methyl-triphenylphosphonium iodide / diethyl ether / 2 h / 35 °C View Scheme |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With fac-tris(2-(4,6-difluorophenyl)pyridinato,N,C(2'))iridium(III) In acetonitrile at 20℃; Paterno-Buechi Cycloaddition; Irradiation; Sealed tube; Inert atmosphere; regioselective reaction; | 99% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
(trifluoromethyl)trimethylsilane
Conditions | Yield |
---|---|
With sodium iodide In tetrahydrofuran for 8h; Reflux; | 91% |
With sodium iodide In tetrahydrofuran at 65℃; Inert atmosphere; | 64% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
3-hydroxymethyl-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
Stage #1: 3-methylene-azetidine-1-carboxylic acid tert-butyl ester With borane-THF In tetrahydrofuran at 20℃; for 1h; Stage #2: With dihydrogen peroxide; sodium hydroxide In tetrahydrofuran at 20℃; for 1h; | 90.9% |
Conditions | Yield |
---|---|
With fac-tris(2-(4,6-difluorophenyl)pyridinato,N,C(2'))iridium(III) In acetonitrile at 20℃; Paterno-Buechi Cycloaddition; Irradiation; Sealed tube; Inert atmosphere; regioselective reaction; | 88% |
piperidine
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
Stage #1: piperidine With N-chloro-succinimide; tris(2,2-bipyridine)ruthenium(II) hexafluorophosphate In dichloromethane at 20℃; for 1h; Sealed tube; Inert atmosphere; Stage #2: 3-methylene-azetidine-1-carboxylic acid tert-butyl ester With trifluoroacetic acid In dichloromethane at 0℃; for 1h; Sealed tube; Inert atmosphere; Irradiation; | 85% |
5-bromoquinoline
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With palladium diacetate; triethylamine; tris-(o-tolyl)phosphine In acetonitrile at 100℃; for 19h; Sealed tube; Inert atmosphere; | 82% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
Stage #1: 3-methylene-azetidine-1-carboxylic acid tert-butyl ester With 9-bora-bicyclo[3.3.1]nonane In tetrahydrofuran at 60℃; for 16h; Sealed tube; Stage #2: 1-(1-(4-bromobenzyl)-1H-indol-5-yl)-5-methyl-1H-pyrazole-3-carboxamide With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium carbonate In tetrahydrofuran; water; N,N-dimethyl-formamide at 20 - 80℃; for 16h; Suzuki-Miyaura Coupling; Inert atmosphere; | 81% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
N-dibromomethylidenehydroxylamine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethyl acetate at 20 - 50℃; for 19h; | 79% |
With sodium hydrogencarbonate In ethyl acetate at 20 - 50℃; for 19h; | 27.8 g |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With Methyltriphenylphosphonium bromide; sodium hydride In tetrahydrofuran for 4.5h; | 73.2% |
Difluoroacetic acid
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With tetrahydrofuran; [bis(acetoxy)iodo]benzene at 10 - 50℃; Irradiation; regioselective reaction; | 67% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
chlorofluoroacetic acid
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene In tetrahydrofuran at 20℃; for 19h; Irradiation; | 67% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
(Z)-2-(hydroxyimino)-2-phenylacetic acid
Conditions | Yield |
---|---|
With Oxone; tris(2,2'-bipyridyl)ruthenium dichloride; sodium hydrogencarbonate In N,N-dimethyl-formamide at 20℃; for 18h; Sealed tube; Irradiation; | 65% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
6-bromo-4-methyl-2,10-dihydro-9-oxa-1,2,4a-triazaphenanthren-3-one
3-(4-methyl-3-oxo-2,3,4,10-tetrahydro-9-oxa-1,2,4a-triazaphenanthren-6-ylmethylene)azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With palladium diacetate; triethylamine; tris-(o-tolyl)phosphine In acetonitrile at 110℃; for 4h; Heck Reaction; | 52% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
3-chloro-benzenecarboperoxoic acid
1-oxa-5-aza-spiro[2.3]hexane-5-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
In chloroform at 20℃; for 48h; | 51% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
1-oxa-5-aza-spiro[2.3]hexane-5-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With m-chloroperoxybenzoic acid In chloroform at 20℃; for 48h; | 51% |
With 3-chloro-benzenecarboperoxoic acid In chloroform at 20℃; for 48h; | 51% |
With 3-chloro-benzenecarboperoxoic acid In chloroform at 20℃; for 48h; | 51% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; potassium fluoride; nickel(II) iodide monohydrate; diethoxymethylane; (S)-4-(4-fluorophenyl)-2-(6-methylpyridin-2-yl)-5,5-diphenyl-4,5-dihydrooxazole In 1,2-dichloro-ethane at -25℃; for 24h; Inert atmosphere; Sealed tube; enantioselective reaction; | 49% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With palladium diacetate; N-ethyl-N,N-diisopropylamine; tris-(o-tolyl)phosphine In N,N-dimethyl-formamide at 160℃; for 2h; Inert atmosphere; Microwave irradiation; | 48% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
(dimethyl(phenyl)silyl)zinc chloride
benzoyl chloride
Conditions | Yield |
---|---|
With nickel(II) bromide dimethoxyethane In tetrahydrofuran; acetonitrile at 0℃; | 48% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
6-bromo-3,3-difluoro-1,3-dihydro-2H-indol-2-one
Conditions | Yield |
---|---|
With palladium diacetate; N-ethyl-N,N-diisopropylamine; tris-(o-tolyl)phosphine In acetonitrile for 16h; Inert atmosphere; | 43.8% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With potassium osmate(VI); 4-methylmorpholine N-oxide In water; acetone at 20℃; for 12h; | 42% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With N-Bromosuccinimide; triethylamine tris(hydrogen fluoride) In dichloromethane at 5 - 20℃; | 41% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
Stage #1: 3-methylene-azetidine-1-carboxylic acid tert-butyl ester With 9-bora-bicyclo[3.3.1]nonane In tetrahydrofuran at 70℃; for 4h; Stage #2: ethyl 5-amino-2-bromo-6H-thieno[3,2-b]azepine-7-carboxylate With tris-(dibenzylideneacetone)dipalladium(0); sodium carbonate; XPhos In tetrahydrofuran; 1,4-dioxane; water at 100℃; for 12h; Inert atmosphere; | 37% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
6-bromo-4-methyl-7-trifluoromethyl-2-(2-trimethylsilanylethoxymethyl)-2,10-dihydro-9-oxa-1,2,4a-triazaphenanthren-3-one
3-[4-methyl-3-oxo-7-trifluoromethyl-2-(2-trimethylsilanylethoxymethyl)-2,3,4,10-tetrahydro-9-oxa-1,2,4a-triazaphenanthren-6-ylmethylene]azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With palladium diacetate; triethylamine; tris-(o-tolyl)phosphine In acetonitrile at 110℃; for 14h; Heck Reaction; | 20% |
With palladium diacetate; triethylamine; tris-(o-tolyl)phosphine In acetonitrile at 110℃; for 14h; | 20% |
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
4-iodobenzoic acid ethyl ester
Conditions | Yield |
---|---|
Stage #1: 3-methylene-azetidine-1-carboxylic acid tert-butyl ester With 9-bora-bicyclo[3.3.1]nonane In tetrahydrofuran for 4h; Reflux; Stage #2: 4-iodobenzoic acid ethyl ester With tris-(dibenzylideneacetone)dipalladium(0); sodium carbonate; XPhos In tetrahydrofuran; 1,4-dioxane; water Reflux; | 20% |
Stage #1: 3-methylene-azetidine-1-carboxylic acid tert-butyl ester With 9-bora-bicyclo[3.3.1]nonane In tetrahydrofuran for 4h; Reflux; Stage #2: 4-iodobenzoic acid ethyl ester With tris-(dibenzylideneacetone)dipalladium(0); sodium carbonate; XPhos In tetrahydrofuran; 1,4-dioxane; water Reflux; | 200 mg |
ethyl 5-bromothiophene-2-carboxylate
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
Stage #1: 3-methylene-azetidine-1-carboxylic acid tert-butyl ester With 9-bora-bicyclo[3.3.1]nonane In tetrahydrofuran for 4h; Reflux; Stage #2: ethyl 5-bromothiophene-2-carboxylate With tris-(dibenzylideneacetone)dipalladium(0); sodium carbonate; XPhos In tetrahydrofuran; 1,4-dioxane; water Reflux; | 20% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View