Nuclear recoil reactions in organomanganese compounds. II. Methylcyclopentadienylmanganese tricarbonyl

Author:

Yang I. C.,Wiles D. R.

Abstract

The study of nuclear recoil reactions in organomanganese compounds was continued in methylcyclopentadienylmanganese tricarbonyl, a liquid, following earlier conclusions that the recombination reactions may involve a radical diffusion mechanism. Only a very small annealing effect was observed, but that was similar to the earlier results in which a maximum organic yield is reached, followed by a return to the initial value. Results of irradiation in benzene solution show no decrease of organic yield on dilution, which is interpreted as indicating that ‘hot’ reactions do not play a major role. Results of irradiation in mixed benzene–acetone solutions show a sharp decrease in organic yield as small quantities of acetone are added, which suggests a radical-scavenging process. The observation made earlier that considerable CH3Mn(CO)5is produced in this reaction leads to the speculation that radicals of the form Mn(CO)xare the reacting species.

Publisher

Canadian Science Publishing

Subject

Organic Chemistry,General Chemistry,Catalysis

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