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Polymerization of 2,2′-dimethyltrimethylene carbonate by lutetium complexes bearing amino-phosphine ligands

✍ Scribed by Bo Liu; Dongmei Cui


Book ID
102739491
Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
676 KB
Volume
112
Category
Article
ISSN
0021-8995

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Cyclic oligomers obtained by polymerizat
✍ Helmut Keul; Thomas Vahlenkamp; Hartwig Höcker 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 237 KB

The reaction of 2,2-dimethyltrimethylene carbonate (DTC) and E-caprolactam (EClam) in toluene with s-BuLi as initiator leads to cyclic oligomers containing one EClam moiety and n DTC units (n = 2-10). A mechanism for the formation of the oligomers is proposed.