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Creation of bispiro[pyrazolone-3,3′-oxindoles] via a phosphine-catalyzed enantioselective [3 + 2] annulation of the Morita–Baylis–Hillman carbonates with pyrazoloneyldiene oxindoles
| Content Provider | Semantic Scholar |
|---|---|
| Author | Zhang, Jing Chan, Wai Lun Chen, Ligong Ullah, Nisar Lu, Yixin |
| Copyright Year | 2019 |
| Abstract | A [3 + 2] annulation between the Morita–Baylis–Hillman (MBH) carbonates and pyrazoloneyldiene oxindoles catalyzed by (S)-SITCP has been developed. Structurally novel bispiro[pyrazolone-3,3′-oxindoles] containing two contiguous quaternary stereogenic centers were created in excellent yields, in a diastereospecific and highly enantioselective manner. |
| Starting Page | 2210 |
| Ending Page | 2214 |
| Page Count | 5 |
| File Format | PDF HTM / HTML |
| DOI | 10.1039/C9QO00471H |
| Volume Number | 6 |
| Alternate Webpage(s) | http://www.rsc.org/suppdata/c9/qo/c9qo00471h/c9qo00471h1.pdf |
| Alternate Webpage(s) | https://doi.org/10.1039/C9QO00471H |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |