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3-Chlorooxindoles: versatile starting materials for asymmetric organocatalytic synthesis of spirooxindoles
journal contributionposted on 23.07.2015, 09:14 by Artur Noole, Maksim Oseka, Tonis Pehk, Mario Oeeren, Ivar Jaerving, Mark Elsegood, Andrei Malkov, Margus Lopp, Tonis Kanger
3-Chlorooxoindoles have emerged as versatile precursors in the synthesis of spirocyclopropyl oxindoles. High enantio- and diastereoselectivity was attained under conditions of both iminium/enamine and H-bonding catalysis.
Estonian Science Foundation. Grant Number: grants no. 8289 and 8880 Ministry of Education and Research. Grant Number: 0140060s12 EU European Regional Development Fund. Grant Number: 3.2.0101.08-0017 COST-ORCA action. Grant Number: CM0905