D. W. Macmillan, R. C. Wende, P. R. Schreiner, X. Green-bugaut, F. Glorius et al., (5) Dalko, P. I. Comprehensive Enantioselective Organocatalysis: Catalysts, Reactions, and Applications, 3 Volume Set, ) Mespouille, L.; Coulembier, pp.304-3511, 1409.

K. Sci-fuchise, Y. G. Chen, T. Satoh, T. Kakuchi, A. Hirao et al., Polymer Science: A Comprehensive Reference, Polym. Chem. Acc. Chem. Res. Chem. Soc. Rev. Acc. Chem. Res. J. M. B C, vol.4718, issue.2117 1, pp.1883-1895, 1988.

O. Donoghue, A. C. Chem, . J. Eur, T. Akiyama, K. Makiguchi et al., Asymmetric Organocatalysis 2, Brønsted Base and Acid Catalysts, and Additional Topics, Science of Synthesis, pp.8524-5744, 1999.

. Polym, . Sci, A. Part, R. Schwesinger, H. Schlemper et al., (52) Ishikawa, T. Superbases for organic synthesis: guanidines, amidines and phosphazenes and related organocatalysts, Hadjichristidis, N. J. Polym. Sci., Part A: Polym, pp.1167-54, 1009.

M. K. Kiesewetter, E. J. Shin, J. L. Hedrick, R. M. Waymouth, J. Macromolecules-vignolle et al., Polymer Science: A Comprehensive Reference, References Chem. Soc. Rev. Polym. Chem. Angew. Chem. Int. Ed. Caporaso, L.; Cavallo, L.; Chen, E. Y. X. Dalton Trans. 2012 Angew. Chem. Int. Ed, vol.43, issue.411011, pp.67-70, 1409.

E. J. Shin, W. Jeong, H. A. Brown, B. J. Koo, J. L. Hedrick et al., In NMR Spectroscopy of Polymers KGaA: 2010, p 1. (51) CCDC-242948 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge via http (or from the Cambridge Crystallographic Data Centre,deposit@ccdc.cam.uk). (52), Controlled and Living Polymerizations, pp.6388-2773, 1706.

J. Sotiropoulos, K. Miqueu, D. Taton, . Chem, . J. Eur et al., Polymer Science: A Comprehensive Reference, 24) Busnel25) Hatada NMR Spectroscopy of Polymers30) Raynaud, pp.3989-7399, 1409.

. Am, . Chem, E. M. Soc-phillips, M. Riedrich, K. A. Scheidt et al., Anionic Vinyl Polymerization, Controlled and Living Polymerizations, pp.3046-13179, 1966.

E. Piedra-arroni, C. Ladavière, A. Amgoune, D. Bourissou, A. D. Dilman et al., In The Chemistry of Organic Silicon Compounds, Functional Molecular Silicon Compounds I, pp.239-13306, 1371.