Ring-Opening Polymerisation of rac-Lactide
2.17 (s, 6 H, Ar-CH3), 2.25 (s, 6 H, O2C-CH3), 6.78 (m, 6 H, Ar-
H) ppm. 6.92 (m, 6 H, Ar-H), 7.10 (s, 2 H, Ar-H), 7.45 (m, 10 H,
Ar-H), 7.79 (s, 2 H, N=CH), 7.85 (s, 2 H, N=CH). 13C{1H} NMR
(500 MHz, CDCl3, –40 °C): δ = 19.6, 22.1, 23.6 (CH3), 121.3,
122.8, 125.1, 125.6, 127.4, 127.9, 129.6, 141.2, 142.4, 148.0, 151.6
(Ar), 163.3 (Ar-O), 166.6, 168.4 (CH=N), 179.0, 180.3 (CO2) ppm.
C50H46N4O10Zn3 (1059.0): calcd. C 56.7, H 4.34, N 5.29; found C
56.5, H 4.36, N 5.16.
gratefully acknowledged. In addition, Dr. John Lowe is thanked
for low-temperature NMR measurements for Zn3(OAc)4(L8)2.
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1
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Acknowledgments
We gratefully acknowledge the Engineering and Physical Sciences
Research Council (M. D. J, C. G. K.), the University of Bath
(L. H.) for funding. Engineering and Physical Sciences Research
Council (EPSRC), National solid-state NMR service centre is also
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Eur. J. Inorg. Chem. 2009, 635–642
© 2009 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
www.eurjic.org
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