Syn/anti rotamer interconversion as the rate-determining initiation step in ring-opening metathesis polymerisations using well-defined molybdenum alkylidene complexes
- 1 January 1994
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 11,p. 1399-1400
- https://doi.org/10.1039/c39940001399
Abstract
The kinetics of initiation of metathesis polymerisation of methyl-substituted norbornenes initiated by complexes of the type [Mo(CHR1)(NC6H3Pri 2-2,6)(OR2)2][R1= But, CMe2Ph; OR2= OCMe3, OCMe(CF3)2] reveal a zero-order dependence on monomer concentration in some cases; syn→anti alkylidene conversion of the initiator is proposed as the rate-limiting step.Keywords
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