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Ring-Opening Polymerization and Copolymerization of Lactones by Samarium(II) Aryloxide Complexes

✍ Scribed by Nishiura, Masayoshi; Hou, Zhaomin; Koizumi, Take-aki; Imamoto, Tsuneo; Wakatsuki, Yasuo

Book ID
125529725
Publisher
American Chemical Society
Year
1999
Tongue
English
Weight
121 KB
Volume
32
Category
Article
ISSN
0024-9297

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Successful room temperature ring-opening polymerization (ROP) of e-caprolactone and d-valerolactone has been carried out using SmX 2 (X = I, Br, and cyclopentadienyl (Cp)) catalysts. SmI 2 in the presence of metallic Sm was found to have enhanced reactivity as room temperature ROP initiator for lact