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Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
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columbin glucoside
columbin
Conditions | Yield |
---|---|
With AcONa buffer; acetic acid at 36.5℃; for 720h; hesperidinase; | 11.5 mg |
Conditions | Yield |
---|---|
With hydrogenchloride In 1,4-dioxane; water at 80℃; for 3h; | A 1.2 mg B 0.5 mg |
acetic anhydride
columbin
(12S)-4-acetoxy-15,16-epoxy-1β,12-dihydroxy-5,9-dimethyl-17,18-dinor-9βH,10α-labda-2,13(16),14-triene-19,20-dioic acid-19=>1;20=>12-dilactone
Conditions | Yield |
---|---|
With sodium acetate |
dimethyl sulfate
columbin
(12S)-15,16-epoxy-1β,12-dihydroxy-4-methoxy-5,9-dimethyl-17,18-dinor-9βH,10α-labda-2,13(16),14-triene-19,20-dioic acid-19=>1;20=>12-dilactone
Conditions | Yield |
---|---|
With sodium hydroxide |
columbin
Dihydrocolumbin
Conditions | Yield |
---|---|
With palladium on activated charcoal; Lindlar's catalyst; ethyl acetate Hydrogenation; | |
With palladium on activated charcoal; acetone Hydrogenation; |
Conditions | Yield |
---|---|
With sodium hydroxide |
Conditions | Yield |
---|---|
With sodium acetate for 0.5h; Heating; | 81 mg |
Conditions | Yield |
---|---|
With sodium acetate for 5h; Heating; | 76 mg |
columbin
(12S)-15,16-epoxy-1β,12-dihydroxy-4-methoxy-5,9-dimethyl-17,18-dinor-9βH,10α-labda-2,13(16),14-triene-19,20-dioic acid-19=>1;20=>12-dilactone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq.-ethanolic NaOH-solution 2: aq.-ethanolic NaOH-solution View Scheme |
columbin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: palladium/calcium carbonate; ethyl acetate / Hydrogenation 2: aq.-ethanolic NaOH-solution View Scheme |
columbin
(12S)-4-acetoxy-15,16-epoxy-1β,12-dihydroxy-5,9-dimethyl-17,18-dinor-9βH,10α-labda-13(16),14-diene-19,20-dioic acid-19=>1;20=>12-dilactone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: palladium/charcoal; acetone / Hydrogenation 2: sodium acetate View Scheme |
columbin
(12S)-4-acetoxy-15,16-epoxy-1β,12-dihydroxy-5,9-dimethyl-17,18-dinor-9βH,10α-labda-2,13(16),14-triene-19,20-dioic acid-19=>1;20=>12-dilactone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq.-ethanolic NaOH-solution 2: sodium acetate View Scheme |
columbin
Dihydroisocolumbin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq.-ethanolic NaOH-solution 2: palladium/charcoal; ethyl acetate / Hydrogenation View Scheme | |
Multi-step reaction with 2 steps 1: palladium/calcium carbonate; ethyl acetate / Hydrogenation 2: aq.-ethanolic KOH-solution View Scheme |
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