Trade Assurance Get full protection for your orders 100% Product quality protection 100% On-time shipment protection 100% Payment protection Appearance:White or slightly yellow, crystalline powder Storage:Store in tight containers, in a cool dry p
Cas:42971-09-5
Min.Order:1 Kilogram
FOB Price: $1390.0
Type:Lab/Research institutions
inquiryEnglish Name: Vinpocetine (Calan) Molecular formula: C22H26N2O2 Molecular weight: 350.46 CAS accession number: 42971-09-5 Improve cerebral infarction sequelae, cerebral hemorrhage sequelae, cerebral arteriosclerosis and other symptoms i
Cas:42971-09-5
Min.Order:1 Kilogram
FOB Price: $800.0 / 1000.0
Type:Other
inquiryXi'an Yinherb Bio-Tech Co., Ltd was founded in 2009, We have more than 10 experienced doctors and scientists and professional managers, specializing in Nootropics, Sarms and Peptides researching and developing, and become the lead
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 according to the contract research and development services for the fine c
Cas:42971-09-5
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryWhy is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) 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 . 5) We c
Cas:42971-09-5
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:42971-09-5
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryItems Standard Result Appearance White or slightly yellow, crystalline powder White crystalline powder olubili
Cas:42971-09-5
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Manufacturers
inquiryWe can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C
Cas:42971-09-5
Min.Order:1 Gram
Negotiable
Type:Manufacturers
inquiryHebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ
Cas:42971-09-5
Min.Order:100 Gram
FOB Price: $2.0
Type:Manufacturers
inquiryVinpocetine CAS 42971-09-5 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additives, Fine chemicals in distributing
Cas:42971-09-5
Min.Order:10 Kilogram
FOB Price: $10.0
Type:Trading Company
inquiryT he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service Appearance:White
The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
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:42971-09-5
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryVinpocetine CAS: 42971-09-5;80038-06-8 Molecular Formula: C22H26N2O2 Home Product Category other other 42971-09-5 42971-09-5 - Names and Identifiers Name Vinpocetine Synonyms TCV-3B RGH 4405 RGH-4405 CAVIN
Cas:42971-09-5
Min.Order:1 Kilogram
FOB Price: $35.0 / 49.0
Type:Lab/Research institutions
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
Name:Vinpocetine CAS:42971-09-5 Grade:For chemical industry, scientific research and export Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability P
Cas:42971-09-5
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiryProduct Name: Vinpocetine Synonyms: 3A,16A-APOVINCAMINIC ACID ETHYL ESTER;(3A,16A)-EBURNAMENINE-14-CARBOXYLIC ACID ETHYL ESTER;CAVINTON;ETHYL APOVINCAMIN-22-OATE;EBURNAMENINE;EBURNAMENINE-14-CARBOXYLIC ACID ETHYL ESTER;RGH-4405;VINPOCETIN CAS: 42
Cas:42971-09-5
Min.Order:1 Kilogram
FOB Price: $230.0
Type:Lab/Research institutions
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:42971-09-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be
Cas:42971-09-5
Min.Order:1 Kilogram
FOB Price: $48.0 / 58.0
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:42971-09-5
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:42971-09-5
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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 email in t
Cas:42971-09-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry(+)-Apovincaminic acid ethyl ester; (+)-cis-Apovincaminic acid ethyl ester; 3-alpha,16-alpha-Apovincaminic acid ethyl ester; AY 27,255; Apovincaminate d'ethyle; Apovincaminate d'ethyle [French]; Apovincaminic acid ethyl ester; BRN 0900803;
1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Crystalline Powder Storage:Store in sealed containers
Cas:42971-09-5
Min.Order:100 Gram
Negotiable
Type:Other
inquiryHanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr
Cas:42971-09-5
Min.Order:1 Kilogram
FOB Price: $20.0 / 40.0
Type:Trading Company
inquiry1.No Less 8 years exporting experience. Clients 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 Specialized
Cas:42971-09-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
Cas:42971-09-5
Min.Order:10 Gram
FOB Price: $3.5
Type:Trading Company
inquiryAbout Product Details Items Specifications Test Results Appearance White to white crystalline powde
Cas:42971-09-5
Min.Order:1 Gram
FOB Price: $1.0 / 5.0
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:42971-09-5
Min.Order:10 Gram
FOB Price: $12.0 / 16.0
Type:Trading Company
inquiryBeluga chemical professional supply High quality vinpocetine China factory Why choose Beluga chemical 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabili
Cas:42971-09-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With titanium(IV) tetraethanolate In 1,4-dioxane for 40h; Heating; | 92% |
Conditions | Yield |
---|---|
In ethanol; toluene for 0.0166667h; Heating; | 90% |
In ethanol for 1h; Temperature; Reflux; Autoclave; Industrial scale; | 1.93 kg |
3-((1S,12bS)-1-Ethyl-1,2,3,4,6,7,12,12b-octahydro-indolo[2,3-a]quinolizin-1-yl)-2-[(E)-hydroxyimino]-propionic acid ethyl ester
Vinpocetine
Conditions | Yield |
---|---|
In ethanol; sulfuric acid for 0.5h; Heating; | 83% |
chloroacetic acid ethyl ester
Vinpocetine
Conditions | Yield |
---|---|
With sodium ethanolate In tetrahydrofuran at -10 - -5℃; Product distribution / selectivity; | 79.4% |
14,15-dihydro-14β-hydroxy-(3α,16α)-eburnamenine-14-carboxylic acid ethyl ester
Vinpocetine
Conditions | Yield |
---|---|
With methanesulfonic acid for 8h; Heating; | 79% |
Conditions | Yield |
---|---|
With sulfuric acid for 5h; | 67.6% |
Vinpocetine
Conditions | Yield |
---|---|
In trifluoroacetic acid at 100℃; for 1h; Yield given; |
Conditions | Yield |
---|---|
With aluminium trichloride; zinc(II) chloride 1.) reflux, 38 h, 2.) reflux, 8 h; Yield given. Multistep reaction; |
vincamin
Vinpocetine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 90 percent / Ti(OEt)4 / various solvent(s) / 8 h / Heating 2: 79 percent / methanesulfonic acid / 8 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 78 percent / AlCl3 / ethanol / 3 h / Heating 2: 92 percent / Ti(OEt)4 / dioxane / 40 h / Heating View Scheme |
(-)-methyl 1,2,3,4,6,7,12,12bα-octahydroindolo<2,3-a>quinolizine(1β-yl) pyruvate oxime
Vinpocetine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 88 percent / p-toluenesulfonic acid monohydrate / toluene / 1.5 h / Heating 2: 90 percent / toluene; ethanol / 0.02 h / Heating View Scheme |
(-)-1β-methoxycarbonylethyl-1α-ethyl-1,2,3,4,6,7,12,12bα-octahydroindolo<2,3-a>quinolizine
Vinpocetine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: tert-butyl nitrite, potassium tert-butoxide / toluene; methanol / 3 h / 40 °C 2: 88 percent / p-toluenesulfonic acid monohydrate / toluene / 1.5 h / Heating 3: 90 percent / toluene; ethanol / 0.02 h / Heating View Scheme | |
Multi-step reaction with 4 steps 1: 95 percent / NaOH / aq. ethanol / 1.5 h / Heating 2: 77 percent / phosphoryl chloride / 24 h / Ambient temperature 3: tert-butyl nitrite, t-BuOK / toluene / 1 h / Ambient temperature 4: 67.6 percent / conc. H2SO4 / 5 h View Scheme | |
Multi-step reaction with 3 steps 1: 60 percent / NaH / toluene / 5 h / Heating 2: tert-butyl nitrite, t-BuOK / toluene / 1 h / Ambient temperature 3: 67.6 percent / conc. H2SO4 / 5 h View Scheme |
(+)-(1α-Ethyl-1,2,3,4,6,7,12,12bα-octahydro-indolo<2,3-a>quinolizin-1β-yl)-propionic acid
Vinpocetine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 77 percent / phosphoryl chloride / 24 h / Ambient temperature 2: tert-butyl nitrite, t-BuOK / toluene / 1 h / Ambient temperature 3: 67.6 percent / conc. H2SO4 / 5 h View Scheme |
(+)-(3S,17S)-14-oxo-E-homo-eburnane
Vinpocetine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tert-butyl nitrite, t-BuOK / toluene / 1 h / Ambient temperature 2: 67.6 percent / conc. H2SO4 / 5 h View Scheme |
(+/-)-1α-ethyl-1β-(2'-carboxy-2'-ethoxycarbonylethyl)-1,2,3,4,6,7,12,12bα-octahydro-indolo<2,3-a>quinolizine
Vinpocetine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 72 percent / NaNO2 / H2O; acetic acid / 1 h / Ambient temperature 2: 46.5 percent / D-dibenzoyl tartaric acid/CH2Cl2 / ethanol 3: 83 percent / ethanol; H2SO4 / 0.5 h / Heating View Scheme |
(+/-)-ethyl-(1,2,3,4,6,7,12,12bα-octahydro-indolo<2,3-a>quinolizin-1β-yl)pyruvate oxime
Vinpocetine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 46.5 percent / D-dibenzoyl tartaric acid/CH2Cl2 / ethanol 2: 83 percent / ethanol; H2SO4 / 0.5 h / Heating View Scheme |
(+/-)-1α-ethyl-1β-(2',2'-diethoxycarbonylethyl)-1,2,3,4,6,7,12,12bα-octahydro-indolo<2,3-a>quinolizine
Vinpocetine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 79 percent / KOH / ethanol; H2O / 4 h / Ambient temperature 2: 72 percent / NaNO2 / H2O; acetic acid / 1 h / Ambient temperature 3: 46.5 percent / D-dibenzoyl tartaric acid/CH2Cl2 / ethanol 4: 83 percent / ethanol; H2SO4 / 0.5 h / Heating View Scheme |
vincadifforminate d'ethyle
Vinpocetine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: N-chlorosuccinimide / trifluoroacetic acid / 2 h / Ambient temperature 2: trifluoroacetic acid / 1 h / 100 °C View Scheme |
Conditions | Yield |
---|---|
With sulfuric acid; acetic acid In ethanol at 70℃; for 3h; pH=2 - 14; Reflux; Large scale; | 43.2 kg |
sodium ethanolate
(3α,14β,16α)-14,15-dihydro-14-hydroxyeburnamenine-14-carboxylic acid
Vinpocetine
Conditions | Yield |
---|---|
With methanesulfonic acid; sulfuric acid In ethanol at 50 - 60℃; Temperature; Reagent/catalyst; Flow reactor; Large scale; |
Vinpocetine
Apovincaminic acid
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane at 80℃; for 2h; | 98% |
With sodium hydroxide In ethanol for 5h; Reflux; | 92.4% |
With sodium hydroxide In methanol at 40℃; for 1h; Kinetics; Further Variations:; Reagents; Solvents; Temperatures; pH-values; |
Vinpocetine
(+)-apovincaminic acid N-oxide ethyl ester
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In chloroform | 96.1% |
Vinpocetine
((41S,13aS)-13a-ethyl-2,3,41,5,6,13a-hexahydro-1H-indolyl[3,2,1-de]pyridyl[3,2,1-ij][1,5]naphthyridine-12-yl)methanol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 10h; Inert atmosphere; | 93% |
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 10h; | 93% |
With HN(CH2CH2C3H3N2Mes)2Cl2; potassium tert-butylate; hydrogen; cobalt(II) chloride In tetrahydrofuran at 100℃; under 45004.5 Torr; for 16h; Autoclave; Glovebox; | 78% |
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 0.5h; Inert atmosphere; |
Vinpocetine
Conditions | Yield |
---|---|
With hydrazine hydrate In ethanol for 6h; Reflux; | 91% |
Multi-step reaction with 2 steps 1.1: sodium hydroxide / 1,4-dioxane / 2 h / 80 °C 2.1: thionyl chloride / N,N-dimethyl-formamide; chloroform / 3 h / 0 °C / Reflux 2.2: 2 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
In 5,5-dimethyl-1,3-cyclohexadiene at 0 - 120℃; for 17h; Solvent; Temperature; | 91% |
Vinpocetine
2,7-seco vinpocetine
Conditions | Yield |
---|---|
With 3,7-bis(dimethylamino)phenothiazin-5-ium chloride trihydrate; oxygen In methanol Irradiation; | 74% |
Vinpocetine
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol; cyclohexane at 20℃; for 2h; Solvent; | 74% |
With hydrogenchloride In ethanol; water; toluene |
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol for 10h; Reflux; | 72% |
Vinpocetine
(+)-15α-Chloro-vincaminic acid ethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride; sodium nitrite In water at 10 - 15℃; for 0.333333h; | 55% |
Vinpocetine
A
(+)-vinpocetine-10-sulfonyl chloride
Conditions | Yield |
---|---|
With chlorosulfonic acid In chloroform for 0.5h; Ambient temperature; | A 43.7% B 6.2% |
Vinpocetine
Conditions | Yield |
---|---|
With nitric acid In acetic acid for 0.5h; Ambient temperature; | A n/a B n/a C 10% |
Vinpocetine
A
Apovincaminic acid
B
14,15-dihydro-14β-hydroxy-(3α,16α)-eburnamenine-14-carboxylic acid ethyl ester
E
vinburnine
F
(3α,14β,16α)-14,15-dihydro-14-hydroxyeburnamenine-14-carboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride at 80℃; for 336h; Product distribution; Rate constant; Thermodynamic data; ln A, Ea, ΔS<*>; degradation of vinpocetine in aqueous solutions, degradation products equilibria in solutions, effect of various pH, temperature and ionic strength, buffer catalysis, metal ion catalysis, oxygen effect, mechanism; |
Vinpocetine
A
3α-deoxyvincaminic acid ethyl ester
B
3α-deoxyepivincaminic acid ethyl ester
Conditions | Yield |
---|---|
With hydrogen; Rh on carbon In methanol at 25℃; under 4500.4 Torr; Yield given. Yields of byproduct given; | |
With hydrogen; palladium on activated charcoal In methanol at 25℃; under 4500.4 Torr; Yield given. Yields of byproduct given; |
Conditions | Yield |
---|---|
With chlorosulfonic acid 1) CHCl3, r.t., 0.5 h, 2) CHCl3, r.t.; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With chlorosulfonic acid 1) CHCl3, r.t., 0.5 h, 2) CHCl3, r.t.; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With chlorosulfonic acid 1) CHCl3, r.t., 0.5 h, 2) CHCl3, r.t.; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With chlorosulfonic acid 1) CHCl3, r.t., 0.5 h, 2) CHCl3, r.t.; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With chlorosulfonic acid 1) CHCl3, r.t., 0.5 h, 2) CHCl3, r.t.; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With chlorosulfonic acid 1) CHCl3, r.t., 0.5 h, 2) CHCl3, r.t.; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With chlorosulfonic acid 1) CHCl3, r.t., 0.5 h, 2) CHCl3, r.t.; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With chlorosulfonic acid 1) CHCl3, r.t., 0.5 h, 2) CHCl3, r.t.; Yield given. Multistep reaction; |
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