Assertion: associative mechanism | /r/CapableOf | involve ηring-slipped intermediates
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Source sentences:
text: In contrast to the dissociative reactions described above, Basolo found that the monosubstitution reactions of (η-C)Mn(CO)and (η-C)Mn(CO)with phosphines were second order and had large, negative entropies of activation, indicating that they were reacting via an associative mechanism involving ηring-slipped intermediates.