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Well-Defined Calcium Initiators for Lactide Polymerization

Chisholm, Malcolm H., Gallucci, Judith C., Phomphrai, Khamphee·2004·Inorganic Chemistry

Abstract

A series of monomeric amide or aryloxide complexes of the form LCaX, where L = CH[CMeNC(6)H(3)-2,6-](2), CH[CMeNC(6)H(4)-2-OMe](2), a bulky tris-pyrazolyl borate, Tp(iPr) or Tp(tBu) or 9-BBN-pz(2) and X = N(SiMe(3))(2) or OC(6)H(3)-2,6-, has been prepared and characterized and investigated in the ring-opening polymerizations of lactide. The compounds (Tp(tBu))CaX in THF are shown to be highly active and stereoselective. The propylene oxide complex (Tp(tBu))Ca(OC(6)H(3)-2,6-).(PO) has been isolated and structurally characterized (single-crystal X-ray) and shown to be inert to the polymerization of PO.

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Metadata

Authors
Chisholm, M. H., Gallucci, J. C., & Phomphrai, K.
Venue
Inorganic Chemistry
Published
2004-09-24
Volume
43
Issue
21
Pages
6717-6725
ISSN
  • 0020-1669 (ISSN-L)
  • 1520-510X
OpenAlex
W2021795513
Cited by
397
References
2
FWCI
10.65
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Well-Defined Calcium Initiators for Lactide Polymerization. https://app.cochat.ai/papers/10.1021/ic0490730
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Chisholm, M. H., Gallucci, J. C., & Phomphrai, K. (2004). Well-Defined Calcium Initiators for Lactide Polymerization. Inorganic Chemistry. https://doi.org/10.1021/ic0490730

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