Selectivity in free radical reactions

The opinion that stabilization of 1 by resonance was decisive, predominated for a long time and mastered the discussion of the relationship between structure and reactivity in free radical chemistry till quite recently5 Accordingly selectivity in free radical reactions was assumed to be mainly due to differences in the thermodynamic stability of the radicals taking part in a reaction or a potential competing reaction. 

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See also in sourсe #XX -- [ , ]

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