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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)
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Acmec 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:517-66-8
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryADVANTAGE: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
DicentrinAppearance:detailed see specifications Storage:Keep away of light, cool place Package:25kg/drum;200kg/drum Application:Used in Synthesis, Pharmaceuticals and other fields Transportation:Sea/air/courier
Dicentrin cas 517-66-8Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
BOC 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:
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
home-produced Application:medicine
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Price, 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
Chengdu Push Bio-technology Co., Ltd. provides more than 4,000 natural monomeric substances, including approximately 6,000 products at different grades, specifications and purities. We have specialized in the R&D of medicinally active ingredients sta
Hight QualityCas No.: 517-66-8 Formula: C20H21NO4 Mol Weight: 339.391 Botanical Source: Alkaloid from a variety of genera in the Lauraceae (Cassytha, Laurus, Lindera, Ocotea, Litsea), Menispermaceae (Cocculus, Cissampelos, Stephania), Fumariace
Natural extractedAppearance:Powder Storage:2~8℃, protected from light and air Package:Tailored by requirement Application:R&D use only not for drug, household or other purpose. Transportation:via FedEx, DHL, EMS
FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the Dicentrin, CAS:517-66-8 with the most competitive price and the best quality. We can
(S)-dicentrine
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; Inert atmosphere; | 53% |
With lithium aluminium tetrahydride In diethyl ether at 0℃; |
diazomethane
formaldehyd
litseferine
(S)-dicentrine
Conditions | Yield |
---|---|
(i) HCO2H, (ii) /BRN= 102415/, MeOH, Et2O; Multistep reaction; |
(7aS)-10,11-dimethoxy-7-methyl-6,7,7a,8-tetrahydro-5H-benzo[g][1,3]dioxolo[4',5':4,5]benzo[1,2,3-de]quinolin-5c-ol; hydrochloride
(S)-dicentrine
Conditions | Yield |
---|---|
With hydrogenchloride; palladium on activated charcoal In acetic acid at 50 - 60℃; under 3102.9 Torr; for 4h; |
(S)-dicentrine
Conditions | Yield |
---|---|
With D-tartaric acid; L-Tartaric acid |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: diethyl ether; methanol View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 4-methyl-morpholine / N,N-dimethyl-formamide / 4 h / 0 - 20 °C / Inert atmosphere 2: trifluoromethylsulfonic anhydride; 2-chloropyridine / dichloromethane / 0.25 h / -78 - 0 °C / Inert atmosphere 3: triethylamine; formic acid; Noyori's catalyst / N,N-dimethyl-formamide / 24 h / 0 - 20 °C / Inert atmosphere 4: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 10 h / 20 °C / Inert atmosphere 5: palladium diacetate; potassium carbonate; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt / N,N-dimethyl acetamide / 8 h / 130 °C / Inert atmosphere 6: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere View Scheme |
N-(2-(benzo[d] [1,3]dioxol-5-yl)ethyl)-2-(2-bromo-4,5-dimethoxyphenyl)acetamide
(S)-dicentrine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: trifluoromethylsulfonic anhydride; 2-chloropyridine / dichloromethane / 0.25 h / -78 - 0 °C / Inert atmosphere 2: triethylamine; formic acid; Noyori's catalyst / N,N-dimethyl-formamide / 24 h / 0 - 20 °C / Inert atmosphere 3: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 10 h / 20 °C / Inert atmosphere 4: palladium diacetate; potassium carbonate; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt / N,N-dimethyl acetamide / 8 h / 130 °C / Inert atmosphere 5: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere View Scheme |
(S)-dicentrine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 10 h / 20 °C / Inert atmosphere 2: palladium diacetate; potassium carbonate; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt / N,N-dimethyl acetamide / 8 h / 130 °C / Inert atmosphere 3: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere View Scheme |
5-(2-bromo-4,5-dimethoxy-benzyl)-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinoline
(S)-dicentrine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: triethylamine; formic acid; Noyori's catalyst / N,N-dimethyl-formamide / 24 h / 0 - 20 °C / Inert atmosphere 2: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 10 h / 20 °C / Inert atmosphere 3: palladium diacetate; potassium carbonate; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt / N,N-dimethyl acetamide / 8 h / 130 °C / Inert atmosphere 4: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere View Scheme |
(S)-dicentrine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: palladium diacetate; potassium carbonate; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt / N,N-dimethyl acetamide / 8 h / 130 °C / Inert atmosphere 2: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1: acetic acid; ethylenediamine / 12 h / 70 °C / Molecular sieve; Inert atmosphere 2: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 12 h / 0 - 70 °C / Inert atmosphere 3: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 4-methyl-morpholine / N,N-dimethyl-formamide / 4 h / 0 - 20 °C / Inert atmosphere 4: trifluoromethylsulfonic anhydride; 2-chloropyridine / dichloromethane / 0.25 h / -78 - 0 °C / Inert atmosphere 5: triethylamine; formic acid; Noyori's catalyst / N,N-dimethyl-formamide / 24 h / 0 - 20 °C / Inert atmosphere 6: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 10 h / 20 °C / Inert atmosphere 7: palladium diacetate; potassium carbonate; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt / N,N-dimethyl acetamide / 8 h / 130 °C / Inert atmosphere 8: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere View Scheme |
5-((E)-2-nitroethenyl)-1,3-benzodioxole
(S)-dicentrine
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 12 h / 0 - 70 °C / Inert atmosphere 2: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 4-methyl-morpholine / N,N-dimethyl-formamide / 4 h / 0 - 20 °C / Inert atmosphere 3: trifluoromethylsulfonic anhydride; 2-chloropyridine / dichloromethane / 0.25 h / -78 - 0 °C / Inert atmosphere 4: triethylamine; formic acid; Noyori's catalyst / N,N-dimethyl-formamide / 24 h / 0 - 20 °C / Inert atmosphere 5: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 10 h / 20 °C / Inert atmosphere 6: palladium diacetate; potassium carbonate; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt / N,N-dimethyl acetamide / 8 h / 130 °C / Inert atmosphere 7: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere View Scheme |
(S)-dicentrine
7a,8-dehydrodicentrine
Conditions | Yield |
---|---|
With potassium permanganate |
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