Reaction of camphor N-enoylpyrazolidinones (1a-j) with various oxidants, in particular UHP/TFAA afford chiral epoxides with a wide range of stereoselectivities (up to > 90% de).
樟脑 N-
烯酰基
吡唑烷
酮 (1a-j) 与各种
氧化剂,特别是 UHP/
TFAA 的反应提供了具有广泛立体选择性(高达 > 90% de)的手性
环氧化物。