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- Title
Rhodium-Catalyzed Spirocyclic Sultam Synthesis by [3+2] Annulation with Cyclic N-Sulfonyl Ketimines and Alkynes.
- Authors
Dong, Lin; Qu, Chuan‐Hua; Huang, Ji‐Rong; Zhang, Wei; Zhang, Qian‐Ru; Deng, Jin‐Gen
- Abstract
Atom‐economical addition: RhIII‐catalyzed “Grignard‐type” cyclization between cyclic N‐sulfonyl ketimines and internal alkynes has been developed to afford multifunctional spirocyclic sultam products in high yields (up to 99 %) under mild conditions (see scheme, Cp* = pentamethylcyclopentadienyl, DCE = 1,2‐dichloroethane).
- Subjects
IMINE synthesis; ACTIVATION (Chemistry); ALKYNE synthesis; CHEMICAL synthesis; COUPLING reactions (Chemistry); SULFONYL compounds; BIPHENYL compounds
- Publication
Chemistry - A European Journal, 2013, Vol 19, Issue 49, p16537
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.201303372