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CAS No.: | 72821-79-5 |
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Name: | 6-(2-PROPENYL)-ERGOLINE-8-CARBOXYLIC ACID METHYL ESTER |
Article Data: | 6 |
Molecular Structure: | |
Formula: | C19H22 N2 O2 |
Molecular Weight: | 310.396 |
Synonyms: | Ergoline-8-carboxylicacid, 6-(2-propenyl)-, methyl ester, (8b)- (9CI); Indolo[4,3-fg]quinoline,ergoline-8-carboxylic acid deriv. |
Density: | 1.19g/cm3 |
Boiling Point: | 474.1°C at 760 mmHg |
Flash Point: | 240.5°C |
PSA: | 45.33000 |
LogP: | 2.79500 |
methanol
N-<<<3-(dimethylamino)propyl>amino>carbonyl>-N-ethyl-6-(2-propenyl)-ergoline-8β-carboxamide
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
Conditions | Yield |
---|---|
With triethylamine at 20℃; Product distribution / selectivity; | 96.5% |
methyl (6aR,9R,10aR)-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
allyl bromide
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 35℃; for 2.5h; | 94% |
With potassium carbonate In N,N-dimethyl-formamide | 80% |
methyl ergoline-8β-carboxylate hydrochloride
allyl bromide
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethylformide at 20 - 30℃; for 4 - 5h; Product distribution / selectivity; |
methanol
cabergoline
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
Conditions | Yield |
---|---|
With triethylamine |
9,10-dihydrolysergic acid methyl ester
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: dmap / dichloromethane / 16 h / Reflux; Inert atmosphere 2: zinc / methanol; acetic acid / 1.08 h / 20 °C 3: potassium carbonate / N,N-dimethyl-formamide / 2.5 h / 35 °C View Scheme |
9-methyl 7-(2,2,2-trichloroethyl) (6aR,9R,10aR)-6,6a,8,9,10,10a-hexahydroindolo[4,3-fg]quinoline-7,9(4H)-dicarboxylate
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: zinc / methanol; acetic acid / 1.08 h / 20 °C 2: potassium carbonate / N,N-dimethyl-formamide / 2.5 h / 35 °C View Scheme |
Dihydroergocryptine
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: sodium hydroxide; sodium dithionite / water / 4 h / Reflux 2: sulfuric acid / 15 h / 20 °C 3: dmap / dichloromethane / 16 h / Reflux; Inert atmosphere 4: zinc / methanol; acetic acid / 1.08 h / 20 °C 5: potassium carbonate / N,N-dimethyl-formamide / 2.5 h / 35 °C View Scheme |
9,10-dihydrolysergic acid
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: sulfuric acid / 15 h / 20 °C 2: dmap / dichloromethane / 16 h / Reflux; Inert atmosphere 3: zinc / methanol; acetic acid / 1.08 h / 20 °C 4: potassium carbonate / N,N-dimethyl-formamide / 2.5 h / 35 °C View Scheme |
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
[(6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-yl]methanol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran; diethyl ether for 0.75h; Inert atmosphere; Cooling with ice; | 87% |
With sodium tetrahydroborate | |
With sodium borohydrid In 1,4-dioxane; methanol |
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
1-amino-3-(dimethylamino)propane
(6aR,9R,10aR)-7-allyl-N-[3-(dimethylamino)propyl]-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxamide
Conditions | Yield |
---|---|
In acetic acid Heating; | 85% |
With 2-hydroxypyridin In ethylene glycol at 100℃; for 18h; | 85% |
With acetic acid for 24h; Reflux; | 74% |