caesium carbonate造句

• It may be formed by the reaction of caesium hydroxide or caesium carbonate with acetic acid.
• This solution can be evaporated to produce caesium chloride or transformed into caesium alum or caesium carbonate.
• Another way to make caesium fluoride is to react caesium carbonate ( Cs 2 CO 3 ) with hydrofluoric acid.
• Another modification for less reactive aldehydes is made by replacement of potassium carbonate with caesium carbonate in MeOH and results in a drastic yield increase.
• Caesium carbonate accomplishes the hydrolysis of the carbamate group to the alcohol "'8 "'which is subsequently oxidized to ketone "'9 "'with Dess-Martin periodinane.
• In one adaptation, with " t-butyltetrazoylmethyl sulfone " the reaction conditions are either sodium bis ( trimethylsilyl ) amide at  " 70 癈 in tetrahydrofuran or caesium carbonate at + 70 癈 . This reaction is named after Philip J . Kocienski for his modification to the Julia olefination.
• This addition reaction is typically facilitated by a radical initiator or UV irradiation and proceeds through a sulfanyl radical species . With monoaddition a mixture of AIBN . The reaction is also reported to be catalysed by cationic rhodium and iridium complexes, by thorium and uranium complexes, by rhodium complexes, by caesium carbonate and by gold.