Other Notes 用于氨基酸和多肽的温和 N-三氟乙酰化1;由格氏试剂合成三氟甲基酮类化合物2
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• Esters of perfluoroalkyl carboxylic acids undergo Wittig reactions, for example with the ylide from (3-Phenylpropyl)triphenylphosphonium bromide, A12669, leading to 1-perfluoroalkyl enol ethers, which are useful precursors of various fluorinated derivatives: J. Org. Chem., 57, 3807 (1992); Org. Synth., 75, 153 (1997):
• Reagent for selective trifluoroacetylation of amines. Primary amines can be protected in the presence of secondary, and diamines selectively monoprotected. Primary amines can also be differentiated in terms of steric hindrance: Tetrahedron Lett., 36, 7357 (1995).