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Cooperative N-heterocyclic carbene (NHC)–Lewis acid-mediated regioselective umpolung formal [3 + 2] annulations of alkynyl aldehydes with isatins

✍ Scribed by Zhang, Yu; Lu, Yingyan; Tang, Weifang; Lu, Tao; Du, Ding

No coin nor oath required. For personal study only.

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