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:346440-54-8
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquirygood quality Appearance:liquid Storage:cold storage Package:meet the demand of customer Application:diagnostic reagent Transportation:by sea or by air Port:shanghai
Cas:346440-54-8
Min.Order:1 Gram
Negotiable
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:346440-54-8
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
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:346440-54-8
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
inquiry(2S,5S)-(-)-2-TERT-BUTYL-3-METHYL-5-BENZYL-4-IMIDAZOLIDINONE CAS:346440-54-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates,
Cas:346440-54-8
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:346440-54-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:346440-54-8
Min.Order:1 Kilogram
FOB Price: $30.0 / 40.0
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:346440-54-8
Min.Order:0
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:346440-54-8
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:346440-54-8
Min.Order:10 Gram
FOB Price: $100.0
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:346440-54-8
Min.Order:0
Negotiable
Type:Trading Company
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:346440-54-8
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
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:346440-54-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep 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
Cas:346440-54-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white to yellow crystal powder Storage:Room temperature with sealed well Package:according to the clients requirement Applicatio
Cas:346440-54-8
Min.Order:0
Negotiable
Type:Trading Company
inquiry(2S,5S)-(-)-2-TERT-BUTYL-3-METHYL-5-BENZYL-4-IMIDAZOLIDINONECASAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:346440-54-8
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:346440-54-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:346440-54-8
Min.Order:0
Negotiable
Type:Trading Company
inquiry1.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:346440-54-8
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryUnited Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Cas:346440-54-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHenan Wising Chem Co., Ltd is a national high-tech enterprise with a passion for selling and an emphasis on customer care. We are committed to providing quality chemical products that help us become one of the most reputable, reliable and lea
Cas:346440-54-8
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiry(2S,5S)-(-)-2-tert-Butyl-3-methyl-5-benzyl-4-imidazolidinone Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fe
Cas:346440-54-8
Min.Order:0
Negotiable
Type:Trading Company
inquiryManufacturer,strong R&D,professional team Storage:Store in a cool, dry place. Store in a tightly closed container. Package:according to your requirement Application:ZhiShang Chemical is owned by ZhiShang Group, is a professional new-type chemicals en
Cas:346440-54-8
Min.Order:0
Negotiable
Type:Trading Company
inquiryhigh optical purity, e.e. Guarantee Storage:in stock Package:100mg,1g,100g,1kg,10kg Application:asymmetirc synthesis
Cas:346440-54-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry(2S,5S)-(-)-2-tert-Butyl-3-methyl-5-benzyl-4-imidazolidinone is a chiral imidazolidinone organocatalyst, developed by MacMillan and co-workers. Package:500 mg in glass insert Application:Metal-free OrganoCatalyst(TM) technology for asymmetric catalys
Cas:346440-54-8
Min.Order:0
Negotiable
Type:Trading Company
inquiryHigh purity Application:Pharmaceutical intermediates, Material synthesis and analyzing the expectant ingredients
Cas:346440-54-8
Min.Order:0
Negotiable
Type:Trading Company
inquiryL-phenylalanine methylamide
pivalaldehyde
A
(2R,5S)-5-benzyl-2-tert-butyl-3-methylimidazolin-4-one hydrochloride
B
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
With ytterbium(III) triflate In chloroform for 8h; Inert atmosphere; Reflux; | A 58% B 11% |
With ytterbium(III) triflate In chloroform at 20℃; for 8h; | A 58% B 11% |
With ytterbium(III) triflate In chloroform for 8h; Reflux; | A 46% B 22% |
L-phenylalanine methylamide
pivalaldehyde
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
With iron(III) chloride In tetrahydrofuran for 24h; Molecular sieve; Inert atmosphere; Reflux; | 25% |
With iron(III) chloride |
(2R,5S)-5-benzyl-2-tert-butyl-3-methylimidazolin-4-one hydrochloride
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
With iron(III) chloride In tetrahydrofuran at 20℃; for 14h; | 22% |
A
(2R,5S)-5-benzyl-2-tert-butyl-3-methylimidazolin-4-one hydrochloride
B
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
With hydrogenchloride In methanol 1.) 0 deg C, 30 min; 2.) room temp., 2 h; Yield given. Title compound not separated from byproducts; |
methyl (2S)-2-amino-3-phenylpropanoate
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 82 percent / ethanol / 20 °C 2: FeCl3; 4 Angstroem molecular sieves / tetrahydrofuran / 36 h / 20 °C 3: 22 percent / FeCl3 / tetrahydrofuran / 14 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: 82 percent / ethanol / 20 °C 2: 23 percent / FeCl3; 4 Angstroem molecular sieves / tetrahydrofuran / 36 h / 20 °C View Scheme |
L-phenylalanine methylamide
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: FeCl3; 4 Angstroem molecular sieves / tetrahydrofuran / 36 h / 20 °C 2: 22 percent / FeCl3 / tetrahydrofuran / 14 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: 78 percent / pentane / Heating 2: HCl / methanol / 1.) 0 deg C, 30 min; 2.) room temp., 2 h View Scheme |
methyl (2S)-2-amino-3-phenylpropanoate hydrochloride
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: ethanol / 35 h 2: 78 percent / pentane / Heating 3: HCl / methanol / 1.) 0 deg C, 30 min; 2.) room temp., 2 h View Scheme | |
Multi-step reaction with 2 steps 1: ethanol / 48 h / 20 °C / Inert atmosphere 2: iron(III) chloride / tetrahydrofuran / 24 h / Molecular sieve; Inert atmosphere; Reflux View Scheme | |
Multi-step reaction with 2 steps 1: ethanol / 48 h / 20 °C 2: ytterbium(III) triflate / chloroform / 8 h / 20 °C View Scheme |
(L)-phenylalanine ethyl ester hydrochloride
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: ethanol / 35 h 2: 78 percent / pentane / Heating 3: HCl / methanol / 1.) 0 deg C, 30 min; 2.) room temp., 2 h View Scheme | |
Multi-step reaction with 2 steps 1: methylamine / ethanol / 95 h 2: ytterbium(III) triflate / chloroform / 8 h / Reflux View Scheme |
pivalaldehyde
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 78 percent / pentane / Heating 2: HCl / methanol / 1.) 0 deg C, 30 min; 2.) room temp., 2 h View Scheme |
L-phenylalanine
A
(2R,5S)-5-benzyl-2-tert-butyl-3-methylimidazolin-4-one hydrochloride
B
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: thionyl chloride / 22 h / 0 °C / Reflux 2: ethanol / 23 h / 20 °C 3: ytterbium(III) triflate / chloroform / 8 h / Inert atmosphere; Reflux View Scheme |
methyl (2S)-2-amino-3-phenylpropanoate hydrochloride
A
(2R,5S)-5-benzyl-2-tert-butyl-3-methylimidazolin-4-one hydrochloride
B
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: ethanol / 23 h / 20 °C 2: ytterbium(III) triflate / chloroform / 8 h / Inert atmosphere; Reflux View Scheme |
L-phenylalanine
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: thionyl chloride; methanol 2: iron(III) chloride View Scheme | |
Multi-step reaction with 3 steps 1: thionyl chloride / 24 h / 20 °C 2: ethanol / 48 h / 20 °C 3: ytterbium(III) triflate / chloroform / 8 h / 20 °C View Scheme |
A
2-(4-nitrophenyl)malononitrile
B
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
In acetonitrile at 20℃; Equilibrium constant; Inert atmosphere; |
2-methoxyfuran
trans-Crotonaldehyde
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
furan
Conditions | Yield |
---|---|
In diethyl ether; chloroform | 95% |
2-methoxythiophene
trans-Crotonaldehyde
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
thiophene
Conditions | Yield |
---|---|
With trifluoroacetic acid In chloroform | 92% |
dichloro-acetic acid
trans-Crotonaldehyde
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
(R)-3-[1-(4-bromo-benzyl)-5-methoxy-2-methyl-1H-indol-3-yl]-butanal
Conditions | Yield |
---|---|
In dichloromethane; isopropyl alcohol | 87% |
phenylacetaldehyde
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methyl-1-((E)-styryl)imidazolidin-4-one
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene for 2h; Reflux; Inert atmosphere; | 87% |
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
methyl iodide
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 12h; | 78% |
tetrafluoroboric acid diethyl ether
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methyl-4-oxoimidazolidin-1-ium Tetrafluoroborate
Conditions | Yield |
---|---|
In diethyl ether at 0 - 20℃; for 0.333333h; Inert atmosphere; | 67% |
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
With hexafluorophosphoric acid In diethyl ether; water at 0 - 20℃; for 0.833333h; Inert atmosphere; | 58% |
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
(2R,5S)-5-benzyl-2-tert-butyl-3-methylimidazolin-4-one hydrochloride
Conditions | Yield |
---|---|
With ytterbium(III) triflate In chloroform for 24h; Reflux; | 56% |
Octanal
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
C23H36N2O
Conditions | Yield |
---|---|
With ammonium cerium (IV) nitrate In acetonitrile | 23% |
trifluorormethanesulfonic acid
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
In dichloromethane |
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: toluene-4-sulfonic acid / toluene / 2 h / Reflux; Inert atmosphere 2: acetonitrile / 20 °C / UV-Vis spectroscopy instrument View Scheme |
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: toluene-4-sulfonic acid / toluene / 2 h / Reflux; Inert atmosphere 2: acetonitrile / 20 °C / UV-Vis spectroscopy instrument View Scheme |
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: toluene-4-sulfonic acid / toluene / 2 h / Reflux; Inert atmosphere 2: acetonitrile / 20 °C / UV-Vis spectroscopy instrument View Scheme |
2-(4-nitrophenyl)malononitrile
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
In acetonitrile at 20℃; Equilibrium constant; Inert atmosphere; |
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
With 2,4,6-trimethyl-pyridine In acetonitrile at 20℃; Kinetics; Inert atmosphere; |
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
With 2,4,6-trimethyl-pyridine In acetonitrile at 20℃; Kinetics; Inert atmosphere; |
(2S,5S)-5-benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one
Conditions | Yield |
---|---|
With 2,4,6-trimethyl-pyridine In acetonitrile at 20℃; Kinetics; Inert atmosphere; |
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