17-year experience in Phytochemicals Each product has passed very strict tests (NMR\MS\HPLC) Agents in 13 countries Certified by ISO 9001:2008 quality management system Leader Supplier of Botanical Reference Materials in China
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LIDE PHARMACEUTICALS LIMITED is a professional leading manufacturer of chemicals and APIs in China. Our core business line covers APIs, Intermediates, Flavours and fragrances, Specialty chemicals, Dietary additives etc.We are specialized in chemical
product name: Ginkgolide B MF: C20H24O10 MW: 424.4 CAS: 15291-77-7 Package:25kg/drum Port:ShangHai
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
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α-benzylginkgolide B
ginkgolide B
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol under 2888 Torr; for 24h; | 97% |
1-O-(tert-Butyldiphenylsilyl)ginkgolid B
ginkgolide B
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran for 2h; | 73% |
C28H32O11
ginkgolide B
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In methanol at 23℃; under 760 Torr; for 5h; Yield given; |
7-trifluoromethanesulfonyloxy ginkgolide B
ginkgolide B
Conditions | Yield |
---|---|
With tetrabutylammonium borohydride |
1,3,7,10-Tetrahydroxyginkgolid
ginkgolide B
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine 2: nBu4NBH4 View Scheme |
gingkolide C
ginkgolide B
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: diisopropylethylamine / acetonitrile / 5 h / 0 °C 2: 63 percent / 4-N,N-dimethylaminopyridine / acetonitrile / 12 h / 5 °C 3: tri-n-butyltin hydride, bisazoisobutyronitrile / benzene / 12 h / Heating 4: H2 / Pd-C / methanol / 5 h / 23 °C / 760 Torr View Scheme |
C28H32O12
ginkgolide B
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 63 percent / 4-N,N-dimethylaminopyridine / acetonitrile / 12 h / 5 °C 2: tri-n-butyltin hydride, bisazoisobutyronitrile / benzene / 12 h / Heating 3: H2 / Pd-C / methanol / 5 h / 23 °C / 760 Torr View Scheme |
C35H31F5O13S
ginkgolide B
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tri-n-butyltin hydride, bisazoisobutyronitrile / benzene / 12 h / Heating 2: H2 / Pd-C / methanol / 5 h / 23 °C / 760 Torr View Scheme |
Ginkgolide C
ginkgolide B
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 95 percent / imidazole / dimethylformamide / 48 h 2: 66 percent / DMAP / acetonitrile / 24 h 3: 93 percent / tributyltin hydride, AIBN / toluene / 3 h / Heating 4: 73 percent / tetrabutylammonium fluoride / tetrahydrofuran / 2 h View Scheme |
1-O-(tert-Butyldiphenylsilyl)ginkgolid C
ginkgolide B
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 66 percent / DMAP / acetonitrile / 24 h 2: 93 percent / tributyltin hydride, AIBN / toluene / 3 h / Heating 3: 73 percent / tetrabutylammonium fluoride / tetrahydrofuran / 2 h View Scheme |
1-O-(tert-Butyldiphenylsilyl)-7-O-(phenyloxythiocarbonyl)ginkgolid C
ginkgolide B
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 93 percent / tributyltin hydride, AIBN / toluene / 3 h / Heating 2: 73 percent / tetrabutylammonium fluoride / tetrahydrofuran / 2 h View Scheme |
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetonitrile for 0.5h; Alkylation; Heating; | 98.3% |
ginkgolide B
tert-butylchlorodiphenylsilane
1-(tert-butyldiphenylsilyloxy)-3,10-dihydroxyginkgolid
Conditions | Yield |
---|---|
With 1H-imidazole In N,N-dimethyl-formamide for 48h; Ambient temperature; | 98% |
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetonitrile for 0.5h; Alkylation; Heating; | 96.7% |
(2-chloroethyl)dimethylamine hydrochloride
ginkgolide B
10-O-(2-dimethylaminoethyl)ginkgolide B
Conditions | Yield |
---|---|
With calcium carbonate; potassium iodide In water; acetonitrile at 85℃; Reagent/catalyst; Temperature; Flow reactor; | 94.1% |
With calcium carbonate; potassium iodide In water; acetonitrile at 85℃; for 0.05h; Reagent/catalyst; Temperature; Concentration; Flow reactor; | 94.1% |
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetonitrile for 0.5h; Alkylation; Heating; | 92.3% |
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetonitrile for 0.5h; Alkylation; Heating; | 90.1% |
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetonitrile for 0.5h; Acylation; Heating; | 89.4% |
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetonitrile for 0.5h; Alkylation; Heating; | 89.2% |
1-hydroxybenzotriazolyl acetate
ginkgolide B
Conditions | Yield |
---|---|
With pyridine; dmap In N,N-dimethyl-formamide | A 88% B 9% |
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetonitrile for 0.5h; Alkylation; Heating; | 87.8% |
N-methyl-2-chloroethylamine hydrochloride
ginkgolide B
10-O-methylaminoethyl ginkgolide B
Conditions | Yield |
---|---|
With calcium carbonate; potassium iodide In water; acetonitrile at 85℃; Flow reactor; | 83.5% |
Conditions | Yield |
---|---|
With calcium carbonate; potassium iodide In water; acetonitrile at 85℃; Flow reactor; | 79.4% |
ginkgolide B
ethyl bromoacetate
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetonitrile for 0.5h; Alkylation; Heating; | A 78.3% B 12.1% |
Conditions | Yield |
---|---|
With calcium carbonate; potassium iodide In water; acetonitrile at 85℃; Flow reactor; | 76.3% |
With calcium carbonate; potassium iodide In water; acetonitrile at 85℃; for 0.05h; Flow reactor; | 76.3% |
Conditions | Yield |
---|---|
With triethylamine; potassium iodide In chloroform Reflux; | 75% |
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetonitrile at 75℃; for 0.75h; | 72.9% |
1-bromomethyl-4-iodobenzene
ginkgolide B
10-O-p-iodobenzylginkgolide B
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetonitrile at 70℃; for 0.666667h; | 72.4% |
Conditions | Yield |
---|---|
With triethylamine; potassium iodide In chloroform Reflux; | 71% |
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetonitrile for 0.5h; Alkylation; Heating; | 65.3% |
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 24h; Reflux; Inert atmosphere; | 65% |
With potassium carbonate; potassium iodide In acetonitrile at 100℃; for 2.5h; |
ginkgolide B
1-bromomethyl-4-bromobenzene
10-O-p-bromobenzylginkgolide B
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetonitrile at 70℃; for 0.833333h; | 64.5% |
Conditions | Yield |
---|---|
With sulfuric acid; acetic acid In tetrahydrofuran for 8h; Condensation; Heating; | 61.8% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 6h; | 61.25% |
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetonitrile for 0.5h; Alkylation; Heating; | A 26.7% B 60.1% |
bromoacetic acid tert-butyl ester
ginkgolide B
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In tetrahydrofuran for 2h; Reflux; | 58% |
ginkgolide B
methyl 2-(2-iodoethoxy)acetate
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In tetrahydrofuran for 2h; Reflux; | 58% |
ginkgolide B
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In tetrahydrofuran for 2h; Reflux; | 56% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 6h; | A 8.4% B 55.57% |
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