[ASAP] Access to Spiropyrazolone-butenolides through NHC-Catalyzed [3 + 2]-Asymmetric Annulation of 3 ‑Bromoenals and 1 < italic toggle="yes" > H < /italic > ‑Pyrazol-4,5-diones

The Journal of Organic ChemistryDOI: 10.1021/acs.joc.3c00188

Source: The Journal of Organic Chemistry - May 11, 2023 Category: Chemistry Authors: Marta Gil-Ordo ́ñez, Alicia Maestro, and José M. Andrés Source Type: research