In the past years,trifluoroacetylation has been widely used for protecting func-tional groups.For example,trifluoroacetyl can act as an effective blocking group ofhydroxyl and amino substituents in the reactions of a ...In the past years,trifluoroacetylation has been widely used for protecting func-tional groups.For example,trifluoroacetyl can act as an effective blocking group ofhydroxyl and amino substituents in the reactions of a 1-halo-2-hydroxyl-3-amino sugarwith cholesterol or cyclodecanol.Furthermore,the conversion of the basic aminogroup to less basic amido group by trifluoroacetylation provides a good chromatographyseparation method of amines,e.g.cis-,trans-1,2-diaminocyclohexane can be separatedcompletely,via trifluoroacetylation by GLC technique.展开更多
文摘In the past years,trifluoroacetylation has been widely used for protecting func-tional groups.For example,trifluoroacetyl can act as an effective blocking group ofhydroxyl and amino substituents in the reactions of a 1-halo-2-hydroxyl-3-amino sugarwith cholesterol or cyclodecanol.Furthermore,the conversion of the basic aminogroup to less basic amido group by trifluoroacetylation provides a good chromatographyseparation method of amines,e.g.cis-,trans-1,2-diaminocyclohexane can be separatedcompletely,via trifluoroacetylation by GLC technique.