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Ring-opening polymerization of ε-caprolactone catalyzed by titanocene and zirconocene alkyne complexes

✍ Scribed by Perdita Arndt; Dominique Thomas; Uwe Rosenthal

Publisher: Elsevier Science
Year: 1997
Tongue: French
Weight: 94 KB
Volume: 38
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(97)01199-4

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## Abstract The ring‐opening polymerization (ROP) of __ε__‐caprolactone (__ε__‐CL) using lanthanide thiolate complexes [(CH~3~C~5~H~4~)~2~Sm(μ‐SPh)(THF)] ~2~ (1) and Sm(SPh)~3~(HMPA)~3~ (2) as initiators has been investigated for the first time. Both of 1 and 2 were found to be highly efficient ini