| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5224672 | Tetrahedron | 2009 | 6 Pages |
Abstract
Unknown spiro-cyclopropanated 1-aminopyrrol-2-ones are regioselectively prepared in high yields by Bi(OTf)3-catalyzed one-pot ‘Mukaiyama–Michael addition/cyclization/ring-contraction’ reactions of 1,2-bis(trimethylsilyloxy)cyclobutene with 1,2-diaza-1,3-butadienes at room temperature.
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