期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 83, 期 19, 页码 11661-11673出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.8b01630
关键词
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资金
- Science and Engineering Research Board (SERB), New Delhi [EMR/2017/000598]
- SERB, New Delhi
- BITS Pilani
A Rh(III)-catalyzed strategy involving the [4+1] annulation of 2-arylphthalazine-1,4-diones with alpha-diazo carbonyl compounds was developed, accessing a series of unprecedented hydroxy-dihydroindazolo-fused phthalazines in good to excellent yields. By varying the additive, phthalazino-fused cinnolines were synthesized under Rh-catalyzed conditions via [4+2] annulation between the same starting materials. Notably, such two strategies showed a good functional group tolerance and high atom efficiency.
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