Neodymium(III) tert-Butoxide-Dialkylmagnesium, a New Initiator System for Syndiotactic Polymerization of Methyl Methacrylate

The P4-Phosphazene Base as Part of a New

The P4-Phosphazene Base as Part of a New Metal-Free Initiator System for the Anionic Polymerization of Methyl Methacrylate

✍ Dr. Thomas Pietzonka; Prof. Dr. Dieter Seebach 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 278 KB 👁 2 views

stable than 12. Structural reasons for this tendency can be found from the X-ray structure analyses of 9, 13, and 16. In these structures the 0-H ... 0 distances between the phenolate oxygen atoms and the aqua ligands are 2.72 (9), 2.70 (13), and 2.68 A (16). The 0 ... 0 distances within one triangu