摘要
The synthesis and properties of γ-substituted butenolides have recently attracted much attention in the field of organic chemistry owing to their unique carbon skeleton of 2(5H)-furanone which is widely present in many natural products and shows interesting antiobiotic activities as well as their important acting as a synthetic intermediate. We have published as a preliminary communication, an optically pure and high yielding syn-
基金
Project supported by the National Natural Science Foundation of China.