摘要
The present work provides efficient access to chiral cyclic 1,2-bis(diphenylphosphino)ethanes (DPPEs) directly from diphosphine oxide alkenes and azomethine ylides via asymmetric [3 + 2] cycloaddition. Both enantiomers of the products can be obtained in good to excellent diastereo-and enantioselectivities (up to >20:1 dr and 99% ee). Mild conditions, gram-scale experiment, diverse transformations and preliminary catalytic applications of the DPPEs make this approach highly attractive.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 694-698 |
| 页数 | 5 |
| 期刊 | Organic Chemistry Frontiers |
| 卷 | 6 |
| 期 | 5 |
| DOI | |
| 出版状态 | 已出版 - 7 3月 2019 |
学术指纹
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