Radical stability

[newmexomfs]

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In general, which is more stable an allylic radical or a vinyllic radical? Thanks

 

[UndergradGuy7]

Allylic because of resonance?

http://more.studentdoctor.net/showthread.php?t=741899

 

[RSD2014]

Allylic radical more stable than vinyl radical (least stable)
Allylic carbocation more stable than vinyl carbocation (least stable)

 

[orgohacks]

Allylic radical more stable than vinyl radical (least stable)
Allylic carbocation more stable than vinyl carbocation (least stable)

Yep - the difference in stability betwen the two is HUGE