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inquiry1,3-Dioxolane, 2-(3-bromopropyl)-Appearance:Off white to slight yellow solid Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By Sea,by Air
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inquiryConditions | Yield |
---|---|
Stage #1: Ethyl 4-bromobutyrate With diisobutylaluminium hydride In dichloromethane at -78℃; Stage #2: ethylene glycol With toluene-4-sulfonic acid In toluene at 90℃; | 95% |
Stage #1: Ethyl 4-bromobutyrate With diisobutylaluminium hydride In hexane; dichloromethane at -70 - -65℃; for 1h; Stage #2: ethylene glycol With toluene-4-sulfonic acid In benzene for 3h; Heating; | 88% |
With diisobutylaluminium hydride; toluene-4-sulfonic acid In dichloromethane; benzene | 85% |
4-bromoethylbutanoate
2-(3-bromopropyl)-1,3-dioxolane
Conditions | Yield |
---|---|
Stage #1: Ethyl 4-bromobutyrate With diisobutylaluminium hydride In dichloromethane at -78℃; Stage #2: With toluene-4-sulfonic acid; ethylene glycol In benzine; dichloromethane at 90℃; | 95% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene for 2.75h; Heating; | 90.5% |
With toluene-4-sulfonic acid In toluene Heating; | 90% |
With toluene-4-sulfonic acid In toluene for 1.5h; Reflux; | 73% |
2-(3-bromopropyl)-1,3-dioxolane
(2R,4R)-N-(2,4,6-trimethoxybenzyl)-2-methyl-4-phenyl-1,3-oxazolidine
(R)-2-[((R)-4-[1,3]Dioxolan-2-yl-1-methyl-butyl)-(2,4,6-trimethoxy-benzyl)-amino]-2-phenyl-ethanol
Conditions | Yield |
---|---|
With magnesium In tetrahydrofuran at 0℃; for 72h; | 96.4% |
2-(3-bromopropyl)-1,3-dioxolane
(2R,4R)-N-(2,4,6-trimethoxybenzyl)-2,4-diphenyl-1,3-oxazolidine
(1S,1'R)-1-[N-(2,4,6-trimethoxybenzyl)-N-2'-hydroxy-1'-phenylethylamino]-5,5-ethylenedioxy-1-phenylpentane
Conditions | Yield |
---|---|
With magnesium In tetrahydrofuran at 0℃; for 72h; | 96.4% |
2-(3-bromopropyl)-1,3-dioxolane
phosphoric acid diethyl ester (R)-2-iodo-4,4-dimethylcyclohex-2-enyl ester
(R)-2-(3-(2-iodo-6,6-dimethylcyclohex-2-en-1-yl)propyl)-1,3-dioxolane
Conditions | Yield |
---|---|
Stage #1: 2-(3-bromopropyl)-1,3-dioxolane With magnesium In tetrahydrofuran at 70℃; Inert atmosphere; Stage #2: With copper(l) cyanide In tetrahydrofuran at -40 - 0℃; Inert atmosphere; Stage #3: phosphoric acid diethyl ester (R)-2-iodo-4,4-dimethylcyclohex-2-enyl ester In tetrahydrofuran at -40℃; Inert atmosphere; | 96% |
2-(3-bromopropyl)-1,3-dioxolane
(2R,4R)-N-(2,4,6-trimethoxybenzyl)-2-(2,2-ethylenedioxy-2-phenylethyl)-4-phenyl-1,3-oxazolidine
(R)-2-[(S)-4-[1,3]Dioxolan-2-yl-1-(2-phenyl-[1,3]dioxolan-2-ylmethyl)-butylamino]-2-phenyl-ethanol
Conditions | Yield |
---|---|
With magnesium In tetrahydrofuran at 0℃; for 48h; | 95.8% |
cyclohexenone
2-(3-bromopropyl)-1,3-dioxolane
3-<3-(1,3-dioxolan-2-yl)propyl>cyclohexanone
Conditions | Yield |
---|---|
Stage #1: 2-(3-bromopropyl)-1,3-dioxolane With magnesium In tetrahydrofuran at 22 - 24℃; for 1h; Stage #2: cyclohexenone With copper(l) iodide In tetrahydrofuran at -78 - 0℃; | 92% |
Stage #1: 2-(3-bromopropyl)-1,3-dioxolane With magnesium In tetrahydrofuran at 20℃; for 1.5h; Stage #2: With copper(l) iodide In tetrahydrofuran at -30℃; for 0.5h; Stage #3: cyclohexenone In tetrahydrofuran at -78 - 20℃; | 78% |
Stage #1: 2-(3-bromopropyl)-1,3-dioxolane With magnesium In tetrahydrofuran at 20℃; for 1.5h; Stage #2: With copper(l) iodide In tetrahydrofuran at -30℃; for 0.5h; Stage #3: cyclohexenone In tetrahydrofuran at -78 - 20℃; | 78% |
5-ethoxy-pyrrolidin-2-one
2-(3-bromopropyl)-1,3-dioxolane
C12H21NO4
Conditions | Yield |
---|---|
Stage #1: 5-ethoxy-pyrrolidin-2-one With n-butyllithium In tetrahydrofuran; hexane at -78℃; Stage #2: 2-(3-bromopropyl)-1,3-dioxolane In tetrahydrofuran; hexane; dimethyl sulfoxide at -78 - 20℃; | 92% |
2-(3-bromopropyl)-1,3-dioxolane
Conditions | Yield |
---|---|
Stage #1: (S)-4-(3-iodophenyl)oxazolidin-2-one With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 0.5h; Inert atmosphere; Stage #2: 2-(3-bromopropyl)-1,3-dioxolane In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; for 2h; Inert atmosphere; | 92% |
2-(3-bromopropyl)-1,3-dioxolane
Conditions | Yield |
---|---|
With lithium In diethyl ether for 1h; Ambient temperature; Irradiation; | 90% |
2-(3-bromopropyl)-1,3-dioxolane
Conditions | Yield |
---|---|
Stage #1: (3R,6aR,10aS,10bR)-6-(tert-Butotxycarbonyl)-5-oxo-3-phenyl-2,3,6,6a,7,10,10a,10b-octahydro-5H-oxazolo[3,2-a]isoquinoline With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 1h; Inert atmosphere; Stage #2: 2-(3-bromopropyl)-1,3-dioxolane With tetra-(n-butyl)ammonium iodide In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; for 18h; Inert atmosphere; | 90% |
Allyl acetate
2-(3-bromopropyl)-1,3-dioxolane
2-(hex-5-en-1-yl)-1,3-dioxolane
Conditions | Yield |
---|---|
Stage #1: 2-(3-bromopropyl)-1,3-dioxolane With iodine; magnesium In tetrahydrofuran at 22 - 60℃; for 2h; Inert atmosphere; Stage #2: Allyl acetate With dilithium tetrachlorocuprate In tetrahydrofuran at -20 - 22℃; for 3.5h; Inert atmosphere; | 88% |
N-(diphenylmethylene)glycine tert-butyl ester
2-(3-bromopropyl)-1,3-dioxolane
(R)-tert-butyl 5-(1,3-dioxolan-2-yl)-2-(diphenylmethyleneamino)pentanoate
Conditions | Yield |
---|---|
With cesiumhydroxide monohydrate; (R)-4,4-dibutyl-2,6-bis(3,4,5-trifluorophenyl)-4,5-dihydro-3H-dinaphtho[2,1-c:1',2'-e]azepinium bromide In toluene at -40℃; for 16h; enantioselective reaction; | 87% |
2-(3-bromopropyl)-1,3-dioxolane
isobutyric Acid
Conditions | Yield |
---|---|
With N,N,N,N,N,N-hexamethylphosphoric triamide; lithium diisopropyl amide In tetrahydrofuran | 86% |
2-(3-bromopropyl)-1,3-dioxolane
2-(4'-aminophenyl)ethyl alcohol
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; sodium iodide In acetonitrile at 20℃; for 20h; Inert atmosphere; Reflux; | A 83% B 13% |
5-(tert-butyldimethylsilyloxy)-6-(tert-butyldiphenylsilyloxy)-N-methoxy-N-methylhexanamide
2-(3-bromopropyl)-1,3-dioxolane
8'-(tert-butyldimethylsilyloxy)-9'-(tert-butyldiphenylsilyloxy)-1'-(1,3-dioxolan-2-yl)nonan-4'-one
Conditions | Yield |
---|---|
With iodine; magnesium; ethylene dibromide In tetrahydrofuran at 33℃; for 3h; Barbier reaction; Inert atmosphere; | 80% |
(3R,6aR,10aS,10bR)-6-(methoxycarbonyl)-5-oxo-3-phenyl-2,3,6,6a,7,10,10a,10b-octahydro-5H-oxazolo[2,3-a]isoquinoline
2-(3-bromopropyl)-1,3-dioxolane
(3R,6R,6aR,10aS,10bR)-6-[3-(1,3-dioxolan-2-yl)propyl]-6-(methoxycarbonyl)-5-oxo-3-phenyl-2,3,6,6a,7,10,10a,10b-octahydro-5H-oxazolo[3,2-a]isoquinoline
Conditions | Yield |
---|---|
Stage #1: (3R,6aR,10aS,10bR)-6-(methoxycarbonyl)-5-oxo-3-phenyl-2,3,6,6a,7,10,10a,10b-octahydro-5H-oxazolo[2,3-a]isoquinoline With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; for 1h; Inert atmosphere; Stage #2: 2-(3-bromopropyl)-1,3-dioxolane With tetra-(n-butyl)ammonium iodide In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; | 80% |
1-(1,1,1-trifluoroprop-2-en-2-yl)-4-methoxybenzene
2-(3-bromopropyl)-1,3-dioxolane
Conditions | Yield |
---|---|
With 3,4,7,8-Tetramethyl-o-phenanthrolin; (η(5)-indenyl)trichlorotitanium; nickel dibromide; zinc In N,N-dimethyl acetamide at 60℃; for 24h; Schlenk technique; Inert atmosphere; | 79% |
(E,E)-sorbyl acetate
2-(3-bromopropyl)-1,3-dioxolane
2-(5E,7E)-(nona-5,7-diene-1-yl)-1,3-dioxolane
Conditions | Yield |
---|---|
Stage #1: 2-(3-bromopropyl)-1,3-dioxolane With magnesium; ethylene dibromide In tetrahydrofuran at -40 - 30℃; for 1.5h; Stage #2: (E,E)-sorbyl acetate With copper(I) bromide dimethylsulfide complex In tetrahydrofuran at -40 - 20℃; for 15h; | 78% |
2-(3-bromopropyl)-1,3-dioxolane
ethyl acetoacetate
Conditions | Yield |
---|---|
With sodium hydroxide; sodium ethanolate Heating; | 76% |
ethyl 2-cyano-2-(cyclohepta-2,4,6-trien-1-yl)acetate
2-(3-bromopropyl)-1,3-dioxolane
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol Heating; | 75% |
2-(3-bromopropyl)-1,3-dioxolane
tetrahydrothiopyran-4-one-3-carboxylic acid allyl ester
3-(3-[1,3]Dioxolan-2-yl-propyl)-4-oxo-tetrahydro-thiopyran-3-carboxylic acid allyl ester
Conditions | Yield |
---|---|
With sodium hydride; sodium iodide In acetone for 24h; Heating; | 75% |
4-bromo-phenol
2-(3-bromopropyl)-1,3-dioxolane
Conditions | Yield |
---|---|
With tetra-(n-butyl)ammonium iodide; potassium carbonate In N,N-dimethyl-formamide at 50℃; for 3h; | 75% |
2-(3-bromopropyl)-1,3-dioxolane
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 75℃; for 20h; | 74% |
Conditions | Yield |
---|---|
With manganese; nickel dibromide; tris(para-trifluoromethyl)phenyl phosphine In dimethyl sulfoxide; N,N-dimethyl-formamide at 30℃; for 24h; | 73% |
2-(3-bromopropyl)-1,3-dioxolane
1-bromo-2-(3-methylbut-3-en-1-yl)benzene
Conditions | Yield |
---|---|
With nickel(II) bromide dimethoxyethane; (R,R)-4,4'-bis(phenylmethyl)-2,2',5,5'-tetrahydro-2,2'-bioxazole; zinc In N,N-dimethyl acetamide at 40℃; for 10h; Inert atmosphere; Sealed tube; enantioselective reaction; | 71% |
2-(3-bromopropyl)-1,3-dioxolane
3-iodopropionaldehyde ethylene acetal
Conditions | Yield |
---|---|
With lithium iodide In tetrahydrofuran Finkelstein reaction; Heating; | 68% |
Conditions | Yield |
---|---|
Stage #1: 2-(3-bromopropyl)-1,3-dioxolane With iodine; magnesium In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Stage #2: C22H33NO5 In tetrahydrofuran at 20℃; Inert atmosphere; | 68% |
2-(3-bromopropyl)-1,3-dioxolane
1-bromo-2-(3-methylbut-3-en-1-yl)benzene
Conditions | Yield |
---|---|
With pyridine-2-yl-N-cyanoamidine; nickel dibromide; zinc In N,N-dimethyl acetamide at 55℃; for 10h; | 67% |
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