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Issue 1, 2005
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Concerning the relative importance of enantiomorphic site vs. chain end control in the stereoselective polymerization of lactides: reactions of (R,R-salen)- and (S,S-salen)–aluminium alkoxides LAlOCH2R complexes (R = CH3 and S-CHMeCl)

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Abstract

The preparations and structures of LAlOCH2C(S)HMeCl, where L = (R,R) or (S,S)-N,N′-bis(3,5-di-tert-butyl-salicylidene)-1,2-cyclohexenediamino, are reported together with the respective LAlOEt compounds, and their reactivities toward L- and rac-lactides in various solvents reveal the surprising complexity of the stereopreference for the ring-opening event.

Graphical abstract: Concerning the relative importance of enantiomorphic site vs. chain end control in the stereoselective polymerization of lactides: reactions of (R,R-salen)- and (S,S-salen)–aluminium alkoxides LAlOCH2R complexes (R = CH3 and S-CHMeCl)

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Publication details

The article was received on 01 Sep 2004, accepted on 27 Sep 2004 and first published on 25 Nov 2004


Article type: Communication
DOI: 10.1039/B413266A
Citation: Chem. Commun., 2005, 127-129
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    Concerning the relative importance of enantiomorphic site vs. chain end control in the stereoselective polymerization of lactides: reactions of (R,R-salen)- and (S,S-salen)–aluminium alkoxides LAlOCH2R complexes (R = CH3 and S-CHMeCl)

    M. H. Chisholm, N. J. Patmore and Z. Zhou, Chem. Commun., 2005, 127
    DOI: 10.1039/B413266A

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