Synthesis of an Enantiopure Scorpionate Ligand by a Nucleophilic Addition to a Ketenimine and a Zinc Initiator for the Isoselective ROP of rac-Lactide
Honrado, Manuel; Sobrino, Sonia; Fernández-Baeza, Juan; Sánchez-Barba, Luis F.; Garcés, Andrés; Lara-Sánchez, Agustín; Rodríguez, Ana M.
DOI:
10.1039/C9CC04716F
Fecha:
2019
Resumen
A novel nucleophilic addition of an organolithium to a ketenimine to prepare an enantiopure NNN-heteroscorpionate ligand is described. We verified its potential utility as a valuable scaffold for chirality induction through the preparation of enantiopure zinc complexes, which behave as highly efficient initiators to produce highly-enriched isotactic poly(lactide)s (Pi up to 0.88).
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