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Conditions | Yield |
---|---|
With 1,4-diaza-bicyclo[2.2.2]octane for 3h; Reflux; | 97% |
With 1,4-diaza-bicyclo[2.2.2]octane; carbonic acid dimethyl ester at 90℃; for 2h; Reagent/catalyst; Time; | 92% |
With phosphorus pentoxide | |
Multi-step reaction with 2 steps 1: pyridine; PBr3 2: aqueous alkaline solution View Scheme |
Conditions | Yield |
---|---|
With sodium hydroxide; (C16H33CH3)2NCH2CH2N(CH3)2C16H33)(2+)*Br(1-)*Br(1-) In water Heating; | 89% |
With sodium hydroxide; (C16H33N(CH3)2CH2CH=CHCH2(CH3)2NC16H33)(2+)*Br(1-)*Br(1-) In water Heating; | 84% |
With potassium carbonate In ethylene glycol; ethyl acetate Reflux; | 81% |
2-(2-bromophenoxy)ethan-1-ol
benzo-1,4-dioxane
Conditions | Yield |
---|---|
With palladium diacetate; 9-di(2-tert-butylphosphinophenyl)phenanthrene; caesium carbonate In toluene at 70℃; for 40h; | 88% |
With palladium diacetate; caesium carbonate; 2'-(di-tert-butylphosphanyl)-N,N-dimethyl-[1,1'-biphenyl]-2-amine In toluene at 70℃; for 40h; | 88% |
With (4,4′-di-tert-butyl-2,2′-dipyridyl)Ni(o-tolyl)(Br); 1,8-diazabicyclo[5.4.0]undec-7-ene In toluene at 80℃; for 24h; Inert atmosphere; Sealed tube; UV-irradiation; | 86% |
[1,3]-dioxolan-2-one
benzene-1,2-diol
A
benzo-1,4-dioxane
B
2,2'-(1,2-phenylenedioxy)diethanol
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In N,N-dimethyl-formamide at 170℃; for 1h; Inert atmosphere; Schlenk technique; | A 5% B 84% |
6-bromo-1,4-benzodioxane
benzo-1,4-dioxane
Conditions | Yield |
---|---|
With tetrabutylammonium tetrafluoroborate; triethylamine In tetrahydrofuran; acetonitrile at 20℃; for 4.4h; Inert atmosphere; Electrolysis; | 83% |
With isopropyl alcohol for 20h; Schlenk technique; Inert atmosphere; Irradiation; Heating; | 65% |
Conditions | Yield |
---|---|
Stage #1: benzene-1,2-diol With caesium carbonate In dichloromethane at 20℃; for 0.166667h; Inert atmosphere; Stage #2: (vinylselenonyl)benzene In dichloromethane at 0 - 20℃; for 24h; Reagent/catalyst; Temperature; Time; Inert atmosphere; | 80% |
Conditions | Yield |
---|---|
With chlorobis(cyclooctene)-iridium(I) dimer; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; lithium chloride In water; 1,3,5-trimethyl-benzene at 170℃; for 60h; Schlenk technique; Inert atmosphere; | 79% |
With bis(1,5-cyclooctadiene)diiridium(I) dichloride; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; lithium chloride In water; 1,3,5-trimethyl-benzene for 60h; Reflux; | 79% |
Conditions | Yield |
---|---|
With caesium carbonate; triphenylphosphine; palladium dichloride In toluene at 50℃; for 24h; | 65% |
Conditions | Yield |
---|---|
With caesium carbonate; triphenylphosphine; palladium dichloride In toluene at 50℃; for 24h; | 63% |
Conditions | Yield |
---|---|
With sodium hydroxide In dimethyl sulfoxide | 57% |
With sodium hydroxide In N,N-dimethyl-formamide at 90℃; | 2.1 g |
With sodium hydroxide In dimethyl sulfoxide at 80 - 85℃; for 5.45h; | 115 g |