1,6-Conjugate-Addition-Induced [2 + 1] Annulation of -Quinone Methides and Pyrazolones: Synthesis of Bis-Spiro Compounds with Contiguous Quaternary Spiro-Centers.
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ID: 64660
2019
A diastereoselective formal 1,6-conjugate-addition-mediated [2 + 1] annulation reaction using -quinone methides and pyrazolones has been described. The corresponding bis-spiro[cyclohexadienone-cyclopropane-pyrazolone] compounds were obtained in very good yield under mild reaction conditions.
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kale201916conjugateadditioninducedorganic
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| Authors | Kale, Someshwar B;Jori, Popat K;Thatikonda, Thanusha;Gonnade, Rajesh G;Das, Utpal; |
| Journal | Organic letters |
| Year | 2019 |
| DOI | 10.1021/acs.orglett.9b02641 |
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