期刊
CHEMCATCHEM
卷 4, 期 8, 页码 1139-1142出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201200020
关键词
asymmetric organocatalysis; aza-diels-alder; cation-olefin; cyclopenta[b]piperidine; hemiaminal
资金
- NSFC [20972101, 21125206, 21021001]
An asymmetric aza-DielsAlder and cationolefin cyclization sequence has been developed to construct cyclopenta[b]piperidine skeletons with moderate yields and excellent stereoselectivities, by employing 5-enals and N-Ts-1-aza-1,3-butadienes as the starting materials. A designed domino cationolefin/FriedelCrafts reaction verified that the cyclization of N-Ts iminium ion underwent a stepwise cationic process.
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