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Dual-role of PtCl₂ catalysis in the intramolecular cyclization of (hetero)aryl-allenes for the facile construction of substituted 2,3-dihydropyrroles and polyheterocyclic skeletons
- Zhang, Yan-Yan, Wei, Yin, Tang, Xiang-Ying, Shi, Min
- Chemical communications 2017 v.53 no.44 pp. 5966-5969
- catalysts, catalytic activity, chemical compounds, cyclization reactions
- A Pt(ii)-catalyzed cyclization of (hetero)aryl-allenes has been developed, providing controllable synthesis of substituted 2,3-dihydropyrroles and polyheterocyclic skeletons. Another notable feature of this method is the dual-role of the Pt(ii) catalyst: initiation of the migration of the (hetero)arylmethylene group and the subsequent Friedel–Crafts type annulation.