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:532-65-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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
Hello, 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
Henan 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
Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
GMP 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,
Hubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)
1.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:532-65-0
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
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
Cas:532-65-0
Min.Order:0
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:532-65-0
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
ADVANTAGE:1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day2. The products are provided with COA, HPLC, NMR, quality assurance, pac
1.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.
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
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
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:yellow to light brown crystals Storage:Room temperature with sealed well Package:according to the clients requirement Applicatio
Supply top quality products with a reasonable price Application:api
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:5mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
Appearance:powder or crystal Storage:-20degree Package:10mg,20mg,1g or on request Application:For research use only, like HPLC, Cell Culture, Animal Experiment, High Throughout Screening, etc.. Transportation:room temperature
Cas:532-65-0
Min.Order:0
Negotiable
Type:Manufacturers
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
Cas:532-65-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Shaanxi Cuicheng Biomedical Technology Co., Ltd. is located in Chuangzhi Industrial Park, Economic and Technological Development Zone, Hanzhong City, Shaanxi Province, China. It is a company specializing in natural medicines and high-throughput scree
ar-turmeroneAppearance:Pls see the Details Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By Sea,by Air,By courier like DHL or Fedx. Port
We have our own laboratory factory, familiar with the production process, preferential price and stock Package:5g Application:Used in pharmaceutical industry, food industry, health industry, beauty industry and other industries
Cas:532-65-0
Min.Order:0
Negotiable
Type:Trading Company
inquiry(+)-(S)-ar-turmerone
Conditions | Yield |
---|---|
With manganese(IV) oxide In tetrachloromethane at 60℃; for 0.5h; | 94% |
With oxalyl dichloride; dimethyl sulfoxide; triethylamine In dichloromethane at -78 - 0℃; Swern oxidation; | 53% |
With pyridinium chlorochromate In dichloromethane for 1h; Ambient temperature; 3A molecular sieves; | 52% |
(S)-(+)-iso-ar-turmerone
(+)-(S)-ar-turmerone
Conditions | Yield |
---|---|
With piperidine In diethyl ether | 93% |
Conditions | Yield |
---|---|
With potassium carbonate In ethanol at 50℃; for 12h; Inert atmosphere; Schlenk technique; enantioselective reaction; | 89% |
Conditions | Yield |
---|---|
Stage #1: 2-methyl-1-propenylbromide With iodine; magnesium In tetrahydrofuran Inert atmosphere; Schlenk technique; Glovebox; Reflux; Stage #2: N-methoxy-N-methyl-3-p-tolyl-butyramide In tetrahydrofuran at -15 - 20℃; for 2h; Inert atmosphere; Schlenk technique; Glovebox; | 88% |
(+)-(S)-ar-turmerone
Conditions | Yield |
---|---|
With diethylamine; naphthalen-1-yl-lithium In tetrahydrofuran at -78℃; Inert atmosphere; | 85% |
Conditions | Yield |
---|---|
In diethyl ether for 24h; | 69.9% |
2-methylpropen-1-ylmagnesium bromide
(+)-(S)-ar-turmerone
Conditions | Yield |
---|---|
Stage #1: (S)-1-(1-methyl-1H-imidazol-2-yl)-3-(p-tolyl)butan-1-one; 2-methylpropen-1-ylmagnesium bromide In tetrahydrofuran at 0 - 20℃; for 2.16667h; Inert atmosphere; Stage #2: With methyl iodide In ethyl acetate at 60℃; for 16h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In toluene at 80℃; Inert atmosphere; | 61% |
Conditions | Yield |
---|---|
Stage #1: (S)-2,2'-(2-(p-tolyl)propane-1,1-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) With 2,2,6,6-tetramethylpiperidinyl-lithium In tetrahydrofuran at 0℃; for 0.25h; Inert atmosphere; Stage #2: Methyl 3,3-dimethylacrylate In tetrahydrofuran at 50℃; for 0.5h; Inert atmosphere; Stage #3: With water In tetrahydrofuran for 0.25h; Inert atmosphere; Acidic conditions; | 40% |
(S)-4-(4-methylphenyl)-2-pentanone
(+)-(S)-ar-turmerone
Conditions | Yield |
---|---|
With sodium ethanolate; acetone |
(S)-4-(4-methylphenyl)-2-pentanone
sodium ethanolate
acetone
(+)-(S)-ar-turmerone
Conditions | Yield |
---|---|
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid for 1h; Ambient temperature; |
(+)-(7S,9R)-ar-turmerol
(+)-(S)-ar-turmerone
Conditions | Yield |
---|---|
With manganese(IV) oxide In tetrachloromethane at 60℃; for 0.5h; |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In dichloromethane for 1h; Ambient temperature; |
Conditions | Yield |
---|---|
With (CD3)CO; toluene-4-sulfonic acid for 1h; Ambient temperature; |
bisacurone
A
(+)-(S)-ar-turmerone
B
intermedin B
C
(S)-2-Methyl-6-((3aS,5R,7aR)-2,2,7a-trimethyl-3a,4,5,7a-tetrahydro-benzo[1,3]dioxol-5-yl)-hept-2-en-4-one
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In acetone for 1h; Ambient temperature; |
Conditions | Yield |
---|---|
With titanium tetrachloride In dichloromethane at 0 - 20℃; for 2h; | 83% |
Conditions | Yield |
---|---|
With titanium(IV) tetraethanolate at 70℃; for 12h; | 64% |
With titanium(IV) tetraethanolate at 70℃; for 12h; | 64% |
Conditions | Yield |
---|---|
With titanium(IV) tetraethanolate at 70℃; for 12h; | 63% |
With titanium(IV) tetraethanolate at 70℃; for 12h; | 63% |
(+)-(S)-ar-turmerone
isobutylamine
(6S)-N-isobutyl-2-methyl-6-(p-tolyl)hept-2-en-4-amine
Conditions | Yield |
---|---|
Stage #1: (+)-(S)-ar-turmerone; isobutylamine With titanium tetrachloride In dichloromethane at -78℃; for 2h; Stage #2: With sodium tetrahydroborate In dichloromethane at 0℃; for 0.5h; | 51% |
(+)-(S)-ar-turmerone
A
(S)-6-(2-hydroxy-4-methylphenyl)-2-methylhept-2-en-4-one
B
(S)-turmeronol A
Conditions | Yield |
---|---|
With 1,1,1,3',3',3'-hexafluoro-propanol; Phthaloyl dichloride at 50℃; for 48h; | A 7% B 15% |
(+)-(S)-ar-turmerone
(S)-ar-turmerone semicarbazone
Conditions | Yield |
---|---|
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