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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 emai
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inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
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inquiry6-(2-Propenyl)-ergoline-8-carboxylic acid methyl ester Application:6-(2-Propenyl)-ergoline-8-carboxylic acid methyl ester
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inquirymethanol
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% |
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-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate With sodium hydroxide; water In methanol at 20 - 30℃; for 2 - 3h; Stage #2: With hydrogenchloride In methanol; water at 0 - 5℃; for 1 - 2h; pH=6 - 6.5; | 85% |
With sodium hydroxide In methanol; water for 0.75h; Reflux; |
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
(6aR,9S,10aR)-7-Allyl-4,6,6a,7,8,9,10,10a-octahydro-indolo[4,3-fg]quinoline-9-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With lithium diisopropyl amide In tetrahydrofuran at -20℃; for 0.333333h; Product distribution; other time; | 70.7 % Chromat. |
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
6-(2-propenyl)-ergoline-8β-carboxamide
Conditions | Yield |
---|---|
With ammonia; ammonium chloride In methanol at 120℃; | 6.5 g |
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
cabergoline
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 85 percent / 2-hydroxypyridine / ethane-1,2-diol / 18 h / 100 °C 2: 92 percent / 4-(dimethylamino)pyridine / tetrahydrofuran / 2 h / 40 °C 3: NaHMDS / tetrahydrofuran / -40 - 20 °C 4: propan-2-ol / 18 h / 50 °C 5: aqueous hydrochloric acid / H2O / 1 h / 80 °C View Scheme | |
Multi-step reaction with 2 steps 1: 85 percent / acetic acid / Heating 2: 81 percent / toluene / Heating View Scheme |
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: 85 percent / 2-hydroxypyridine / ethane-1,2-diol / 18 h / 100 °C 2: 92 percent / 4-(dimethylamino)pyridine / tetrahydrofuran / 2 h / 40 °C 3: NaHMDS / tetrahydrofuran / -40 - 20 °C 4: propan-2-ol / 18 h / 50 °C View Scheme |
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
tert-butyl (5R,8R,10R)-6-allyl-8-[[[3-(dimethylamino)propyl]amino]carbonyl]ergoline-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 85 percent / 2-hydroxypyridine / ethane-1,2-diol / 18 h / 100 °C 2: 92 percent / 4-(dimethylamino)pyridine / tetrahydrofuran / 2 h / 40 °C View Scheme |
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
tert-butyl (5R,8R,10R)-6-allyl-8-[[[3-(dimethylamino)propyl][(ethylamino)carbonyl]amino]carbonyl]ergoline-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 85 percent / 2-hydroxypyridine / ethane-1,2-diol / 18 h / 100 °C 2: 92 percent / 4-(dimethylamino)pyridine / tetrahydrofuran / 2 h / 40 °C 3: NaHMDS / tetrahydrofuran / -40 - 20 °C 4: propan-2-ol / 18 h / 50 °C View Scheme |
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
tert-butyl (5R,8R,10R)-6-allyl-8-[[[3-(dimethylamino)propyl](phenoxycarbonyl)amino]carbonyl]ergoline-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 85 percent / 2-hydroxypyridine / ethane-1,2-diol / 18 h / 100 °C 2: 92 percent / 4-(dimethylamino)pyridine / tetrahydrofuran / 2 h / 40 °C 3: NaHMDS / tetrahydrofuran / -40 - 20 °C View Scheme |
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: NaBH4 4: NH3 View Scheme |
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
3-((6aR,9S,10aR)-7-Allyl-4,6,6a,7,8,9,10,10a-octahydro-indolo[4,3-fg]quinolin-9-yl)-2-cyano-propionic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: NaBH4 View Scheme |
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
Toluene-4-sulfonic acid (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydro-indolo[4,3-fg]quinolin-9-ylmethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NaBH4 View Scheme |
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
N-<(ethylamino)-carbonyl>-6-(2-propenyl)-ergoline-8β-carboxamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 6.5 g / NH4Cl, NH3 / methanol / 120 °C 2: 90 percent View Scheme |
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
N-<3-(dimethylamino)propyl>-N-<(methylamino)-carbonyl>-6-(2-propenyl)-ergoline-8β-carboxamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 85 percent / acetic acid / Heating 2: 80 percent View Scheme |
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
N-<3-(dimethylamino)propyl>-N-<(phenylamino)-carbonyl>-6-(2-propenyl)-ergoline-8β-carboxamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 85 percent / acetic acid / Heating 2: 74 percent 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-N9-[3-(dimethylamino)propyl]-N4-ethyl-N9-(ethylcarbamoyl)-6a,7,8,9,10,10a-hexahydroindolo[4,3-fg]quinoline-4,9(6H)-dicarboxamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 85 percent / acetic acid / Heating 2: 0.57 g / toluene / Heating View Scheme |
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 6 steps 1.1: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 0.75 h / Inert atmosphere; Cooling with ice 2.1: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 20 °C 3.1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / Inert atmosphere; Cooling with ice 3.2: 3 h / 20 °C / Inert atmosphere 4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 20 °C 5.1: trifluoroacetic acid; dicyclohexyl-carbodiimide; pyridine; dimethyl sulfoxide / dichloromethane / 1.5 h / Inert atmosphere; Cooling with ice 6.1: 2-methyl-but-2-ene; sodium chlorite; sodium dihydrogenphosphate / water; tetrahydrofuran; tert-butyl alcohol / 1.5 h / Cooling with ice View Scheme | |
Multi-step reaction with 6 steps 1.1: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 0.75 h / Inert atmosphere; Cooling with ice 2.1: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 20 °C 3.1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / Inert atmosphere; Cooling with ice 3.2: 3 h / 20 °C / Inert atmosphere 4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 45 h / 0 °C 5.1: trifluoroacetic acid; dicyclohexyl-carbodiimide; pyridine; dimethyl sulfoxide / dichloromethane / 1.5 h / Inert atmosphere; Cooling with ice 6.1: 2-methyl-but-2-ene; sodium chlorite; sodium dihydrogenphosphate / water; tetrahydrofuran; tert-butyl alcohol / 1.5 h / Cooling with ice View Scheme |
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: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 0.75 h / Inert atmosphere; Cooling with ice 2: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 20 °C View Scheme |
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 1.1: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 0.75 h / Inert atmosphere; Cooling with ice 2.1: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 20 °C 3.1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / Inert atmosphere; Cooling with ice 3.2: 3 h / 20 °C / Inert atmosphere View Scheme |
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 1.1: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 0.75 h / Inert atmosphere; Cooling with ice 2.1: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 20 °C 3.1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / Inert atmosphere; Cooling with ice 3.2: 3 h / 20 °C / Inert atmosphere 4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 20 °C View Scheme | |
Multi-step reaction with 4 steps 1.1: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 0.75 h / Inert atmosphere; Cooling with ice 2.1: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 20 °C 3.1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / Inert atmosphere; Cooling with ice 3.2: 3 h / 20 °C / Inert atmosphere 4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 45 h / 0 °C View Scheme |
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 1.1: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 0.75 h / Inert atmosphere; Cooling with ice 2.1: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 20 °C 3.1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / Inert atmosphere; Cooling with ice 3.2: 3 h / 20 °C / Inert atmosphere 4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 20 °C 5.1: trifluoroacetic acid; dicyclohexyl-carbodiimide; pyridine; dimethyl sulfoxide / dichloromethane / 1.5 h / Inert atmosphere; Cooling with ice View Scheme | |
Multi-step reaction with 5 steps 1.1: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 0.75 h / Inert atmosphere; Cooling with ice 2.1: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 20 °C 3.1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / Inert atmosphere; Cooling with ice 3.2: 3 h / 20 °C / Inert atmosphere 4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 45 h / 0 °C 5.1: trifluoroacetic acid; dicyclohexyl-carbodiimide; pyridine; dimethyl sulfoxide / dichloromethane / 1.5 h / Inert atmosphere; Cooling with ice View Scheme |
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 1.1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / Inert atmosphere; Cooling with ice 1.2: 3 h / 20 °C / Inert atmosphere 2.1: sodium hydroxide / water; tetrahydrofuran / 1 h 3.1: 1,1'-carbonyldiimidazole / N,N-dimethyl-formamide / 3.5 h / 20 °C / Inert atmosphere 3.2: 20 h / 20 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 7 steps 1.1: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 0.75 h / Inert atmosphere; Cooling with ice 2.1: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 20 °C 3.1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / Inert atmosphere; Cooling with ice 3.2: 3 h / 20 °C / Inert atmosphere 4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 20 °C 5.1: trifluoroacetic acid; dicyclohexyl-carbodiimide; pyridine; dimethyl sulfoxide / dichloromethane / 1.5 h / Inert atmosphere; Cooling with ice 6.1: 2-methyl-but-2-ene; sodium chlorite; sodium dihydrogenphosphate / water; tetrahydrofuran; tert-butyl alcohol / 1.5 h / Cooling with ice 7.1: 1,1'-carbonyldiimidazole / N,N-dimethyl-formamide / 3.5 h / 20 °C / Inert atmosphere 7.2: 20 h / 20 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 7 steps 1.1: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 0.75 h / Inert atmosphere; Cooling with ice 2.1: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 20 °C 3.1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / Inert atmosphere; Cooling with ice 3.2: 3 h / 20 °C / Inert atmosphere 4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 45 h / 0 °C 5.1: trifluoroacetic acid; dicyclohexyl-carbodiimide; pyridine; dimethyl sulfoxide / dichloromethane / 1.5 h / Inert atmosphere; Cooling with ice 6.1: 2-methyl-but-2-ene; sodium chlorite; sodium dihydrogenphosphate / water; tetrahydrofuran; tert-butyl alcohol / 1.5 h / Cooling with ice 7.1: 1,1'-carbonyldiimidazole / N,N-dimethyl-formamide / 3.5 h / 20 °C / Inert atmosphere 7.2: 20 h / 20 °C / Inert atmosphere View Scheme |
methyl (6aR,9R,10aR)-7-allyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylate
B
(6aR,9R,10aR)-7-allyl-N9-[3-(dimethylamino)propyl]-N4-ethyl-N9-(ethylcarbamoyl)-6a,7,8,9,10,10a-hexahydroindolo[4,3-fg]quinoline-4,9(6H)-dicarboxamide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / Inert atmosphere; Cooling with ice 1.2: 3 h / 20 °C / Inert atmosphere 2.1: sodium hydroxide / water; tetrahydrofuran / 1 h 3.1: triethylamine / dichloromethane / 23 h / 20 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 7 steps 1.1: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 0.75 h / Inert atmosphere; Cooling with ice 2.1: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 20 °C 3.1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / Inert atmosphere; Cooling with ice 3.2: 3 h / 20 °C / Inert atmosphere 4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 20 °C 5.1: trifluoroacetic acid; dicyclohexyl-carbodiimide; pyridine; dimethyl sulfoxide / dichloromethane / 1.5 h / Inert atmosphere; Cooling with ice 6.1: 2-methyl-but-2-ene; sodium chlorite; sodium dihydrogenphosphate / water; tetrahydrofuran; tert-butyl alcohol / 1.5 h / Cooling with ice 7.1: triethylamine / dichloromethane / 23 h / 20 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 7 steps 1.1: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 0.75 h / Inert atmosphere; Cooling with ice 2.1: 1H-imidazole / N,N-dimethyl-formamide / 2 h / 20 °C 3.1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / Inert atmosphere; Cooling with ice 3.2: 3 h / 20 °C / Inert atmosphere 4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 45 h / 0 °C 5.1: trifluoroacetic acid; dicyclohexyl-carbodiimide; pyridine; dimethyl sulfoxide / dichloromethane / 1.5 h / Inert atmosphere; Cooling with ice 6.1: 2-methyl-but-2-ene; sodium chlorite; sodium dihydrogenphosphate / water; tetrahydrofuran; tert-butyl alcohol / 1.5 h / Cooling with ice 7.1: triethylamine / dichloromethane / 23 h / 20 °C / Inert atmosphere View Scheme |
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