Manganese trimethyltriazacyclononane complexes

By complexation of MnNaY with 1,4,7-trimethyltriazacyclononane, a new heterogeneous catalyst was obtained for olefin epoxidation with H202. Excellent epoxide selectivities were obtained, with limited epoxide solvolysis. The oxygenation appears to go through a radical intermediate. The manganese trizacyclononane epoxidation catalyst was also heterogenized via surface gly-cidylation.103... 

De Vos, D. E., Meinershagen, J. L. and Bein, T. Highly selective epoxidation catalysts derived from intrazeolite trimethyltriazacyclononane-manganese complexes, Angew. Chem. Int. Ed., 1996, 35, 2211-2213. 

K. Kamata, K. Yonehara, Y. Sumida, K. Yamaguchi, S. Hikichi, N. Mizuno, Highly selective catalysts derived from intrazeolite trimethyltriazacyclononane-manganese complexes. Science 300 (2003) 964. 

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