Hebei 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. Main products are Titanium dioxide(CAS13463-67-7). Lead ace
Cas:5950-12-9
Min.Order:10 Gram
FOB Price: $0.1 / 1.0
Type:Trading Company
inquiryDayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:5950-12-9
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiry20-year experience in Phytochemicals Each product has passed very strict tests (NMR\MS\HPLC) Agents in 13 countries Certified by ISO 9001:2015 quality management system Leader Supplier of Botanical Reference Materials in China 3000 kinds of
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:5950-12-9
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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:5950-12-9
Min.Order:1 Kilogram
FOB Price: $32.0 / 65.0
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:5950-12-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryACID BLUE 62 CAS: 5950-12-9 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 intermediat
Cas:5950-12-9
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:5950-12-9
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:5950-12-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao
Cas:5950-12-9
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryWhy Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu
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:5950-12-9
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:5950-12-9
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiry5-benzo[1,3]dioxol-5-yl-N-(2-methylpropyl)penta-2,4-dienamide Basic information Product Name: 5-benzo[1,3]dioxol-5-yl-N-(2-methylpropyl)penta-2,4-dienamide Synonyms: 5-benzo[1,3]dioxol-5
Cas:5950-12-9
Min.Order:1 Gram
Negotiable
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:5950-12-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:5950-12-9
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
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:5950-12-9
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:5950-12-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.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:5950-12-9
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryGOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:5950-12-9
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Cas:5950-12-9
Min.Order:0
Negotiable
Type:Trading Company
inquiryWhy is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment . Application:Herbal extr
Cas:5950-12-9
Min.Order:0
Negotiable
Type:Trading Company
inquiryJ&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
1.High quality and competetive price1)We are manufacturer with own lab and factory, can provide high quality products with factory price. 2)Products purity is test by our quality department strictly before sending, and you can also ask the third test
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
Cas:5950-12-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBOC Sciences provides a wide range of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds. https:
We 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:intermediate
Conditions | Yield |
---|---|
Stage #1: piperic acid With thionyl chloride In dichloromethane for 1h; Reflux; Stage #2: isobutylamine In dichloromethane for 1h; | 93% |
With boric acid In toluene for 16h; Heating; | 91% |
With dmap; dicyclohexyl-carbodiimide Amidation; | 76% |
With methanesulfonyl chloride; triethylamine 1.) CH2Cl2, 45 min., 0 deg C ; 2.) 2h, 0-25 deg C; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With triethylamine at 20℃; for 5h; Cooling with ice; | 86% |
With triethylamine In tetrahydrofuran at 60℃; Acylation; | 83% |
(E)-5-Benzo[1,3]dioxol-5-yl-5-hydroxy-pent-2-enoic acid isobutyl-amide
piperlonguminine
Conditions | Yield |
---|---|
With pyridine; methanesulfonyl chloride Ambient temperature; | 84% |
2-[(E)-3,4-(methylenedioxy)cinnamylsulfonyl]-N-isobutylacetamide
piperlonguminine
Conditions | Yield |
---|---|
With aluminum oxide; potassium hydroxide; dibromodifluoromethane In dichloromethane at 20℃; for 1h; | 84% |
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; for 0.5h; | 74% |
3,4-methylenedioxy-trans-cinnamic acid
N-(2-methylpropyl)prop-2-enamide
piperlonguminine
Conditions | Yield |
---|---|
Stage #1: 3,4-methylenedioxy-trans-cinnamic acid With N-Bromosuccinimide; tetrabutylammonium trifluoroacetate In 1,2-dichloro-ethane at 20℃; for 4h; Decarboxylation; bromination; Hunsdiecker reaction; Stage #2: N-(2-methylpropyl)prop-2-enamide With palladium diacetate; triphenylantimony; triethylamine In 1,2-dichloro-ethane for 20h; Heck reaction; | 34% |
Conditions | Yield |
---|---|
In dichloromethane at 0 - 20℃; for 3h; | 120 mg |
thioacetic acid S-(3-benzo[1,3]dioxol-5-yl-allyl) ester
piperlonguminine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: KOH / methanol / 0.17 h / 0 °C 1.2: 68 percent / methanol / 1 h / 0 °C 2.1: 94 percent / oxone / methanol; H2O / 0 °C 3.1: 84 percent / KOH; Al2O3; CBr2F2 / CH2Cl2 / 1 h / 20 °C View Scheme |
2-[(E)-3,4-(methylenedioxy)cinnamylthio]-N-isobutylacetamide
piperlonguminine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 94 percent / oxone / methanol; H2O / 0 °C 2: 84 percent / KOH; Al2O3; CBr2F2 / CH2Cl2 / 1 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: benzene / 4 h / Heating 2.1: LiAlH4; AlCl3 / tetrahydrofuran / 1 h / 0 °C 3.1: 83 percent / DIAD; Ph3P / benzene / 1 h / 20 °C 4.1: KOH / methanol / 0.17 h / 0 °C 4.2: 68 percent / methanol / 1 h / 0 °C 5.1: 94 percent / oxone / methanol; H2O / 0 °C 6.1: 84 percent / KOH; Al2O3; CBr2F2 / CH2Cl2 / 1 h / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: NaH / dimethylformamide / 4 h / 30 - 35 °C 1.2: 94 percent / dimethylformamide / 16 h / 20 °C 2.1: 100 percent / KOH / methanol / 6 h / Heating 3.1: 91 percent / B(OH)3 / toluene / 16 h / Heating View Scheme |
(E)-3-(benzo[d][1,3]dioxol-5-yl)prop-2-en-1-ol
piperlonguminine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: 83 percent / DIAD; Ph3P / benzene / 1 h / 20 °C 2.1: KOH / methanol / 0.17 h / 0 °C 2.2: 68 percent / methanol / 1 h / 0 °C 3.1: 94 percent / oxone / methanol; H2O / 0 °C 4.1: 84 percent / KOH; Al2O3; CBr2F2 / CH2Cl2 / 1 h / 20 °C View Scheme |
ethyl (E)-3-(benzo[d][1,3]dioxol-5-yl)acrylate
piperlonguminine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: LiAlH4; AlCl3 / tetrahydrofuran / 1 h / 0 °C 2.1: 83 percent / DIAD; Ph3P / benzene / 1 h / 20 °C 3.1: KOH / methanol / 0.17 h / 0 °C 3.2: 68 percent / methanol / 1 h / 0 °C 4.1: 94 percent / oxone / methanol; H2O / 0 °C 5.1: 84 percent / KOH; Al2O3; CBr2F2 / CH2Cl2 / 1 h / 20 °C View Scheme |
(benzo[d][1,3]dioxol-5-ylmethyl)triphenylphosphonium bromide
piperlonguminine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 100 percent / KOH / methanol / 6 h / Heating 2: 91 percent / B(OH)3 / toluene / 16 h / Heating View Scheme |
all-trans-5-(3,4-Methylendioxyphenyl)-2,4-pentadiensaeureethylester
piperlonguminine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 100 percent / KOH / methanol / 6 h / Heating 2: 91 percent / B(OH)3 / toluene / 16 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Et3N / CH2Cl2 / 0.5 h / 0 °C 2: 120 mg / CH2Cl2 / 3 h / 0 - 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: oxalyl chloride / tetrahydrofuran / 6 h / 20 °C 2: 83 percent / triethylamine / tetrahydrofuran / 60 °C View Scheme | |
Multi-step reaction with 2 steps 1: oxalyl dichloride / dichloromethane / 3 h / 20 °C 2: triethylamine / 5 h / 20 °C / Cooling with ice View Scheme | |
Multi-step reaction with 3 steps 1: oxalyl dichloride / dichloromethane / 4 h / 0 - 20 °C / Inert atmosphere 2: toluene / 16 h / Reflux 3: neat (no solvent) / 0.5 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 60 percent / KOH / methanol / 2 h / Heating 2: Et3N / CH2Cl2 / 0.5 h / 0 °C 3: 120 mg / CH2Cl2 / 3 h / 0 - 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: 85 percent / LiOH*H20 / ethanol; H2O / 140 h / Heating 2: oxalyl chloride / tetrahydrofuran / 6 h / 20 °C 3: 83 percent / triethylamine / tetrahydrofuran / 60 °C View Scheme | |
Multi-step reaction with 2 steps 1: 10percent ethanolic NaOH / ethanol 2: triethylamine, methanesulfonyl chloride / 1.) CH2Cl2, 45 min., 0 deg C ; 2.) 2h, 0-25 deg C View Scheme | |
Multi-step reaction with 3 steps 1: potassium hydroxide / ethanol / 22 h / Reflux 2: oxalyl dichloride / dichloromethane / 3 h / 20 °C 3: triethylamine / 5 h / 20 °C / Cooling with ice View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: methanol / 15 h / 20 °C 2: 80 percent / tetrahydrofuran / 2 h / 20 °C 3: 75 percent / NaClO2; NaH2PO4 / 2-methyl-propan-2-ol 4: 76 percent / DCC; DMAP View Scheme |
furfural tosylhydrazone
piperlonguminine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 80 percent / tetrahydrofuran / 2 h / 20 °C 2: 75 percent / NaClO2; NaH2PO4 / 2-methyl-propan-2-ol 3: 76 percent / DCC; DMAP View Scheme |
(2E,4E)-5-(3,4-methylenedioxyphenyl)-2,4-pentadienal
piperlonguminine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 75 percent / NaClO2; NaH2PO4 / 2-methyl-propan-2-ol 2: 76 percent / DCC; DMAP View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) LDA / 1.) THF, RT, 0.5 h, 2.) -78 deg C to -5 deg C, 1 h 2: 84 percent / methanesulfonyl chloride, pyridine / Ambient temperature View Scheme |
(2E)-N-(2-methylpropyl)but-2-enamide
piperlonguminine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) LDA / 1.) THF, RT, 0.5 h, 2.) -78 deg C to -5 deg C, 1 h 2: 84 percent / methanesulfonyl chloride, pyridine / Ambient temperature View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: toluene / 16 h / Reflux 2: neat (no solvent) / 0.5 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
With 5% Pd/C; hydrogen under 2068.65 Torr; for 4h; | 96% |
With hydrogen; palladium on activated charcoal In ethanol under 3309.8 Torr; for 3h; | |
With hydrogen; palladium on activated charcoal In methanol |
piperlonguminine
Conditions | Yield |
---|---|
With sodium tetrahydroborate; iodine In tetrahydrofuran at 0℃; for 0.333333h; Yield given; |
piperlonguminine
dihydropiperlonguminine
Conditions | Yield |
---|---|
With acetic acid; zinc Ambient temperature; | |
With methanol; magnesium at 20℃; for 2h; Reduction; |
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