As we saw in chapter 10, the positions adjacent to C=C, the allylic position, often show enhanced reactivity compared to simple alkanes due to the proximity of the adjacent p system. Similarly, the positions adjacent to a benzene ring, known as the benzylic position also show enhanced reactivity compared to simple alkanes. Students often confuse the term benzyl with phenyl, for example compare the location of the bromine atoms in Bromobenzene and benzyl bromide: Highlight benzylic carbon atom.
A probable cause of numbness in the upper, outer thigh is meralgia paresthetica, a condition that occurs when the nerve that provides sensation to the thighâs surface is compressed, according to Mayo Clinic. It often occurs on one side of the body and worsens upon walking or standing. Continue Reading.
Leg numbness is an abnormal condition in which you feel a loss of sensation in the legs. You can have numbness of one (unilateral) or both (bilateral leg numbness) legs. Numbness in the legs may also extend to your toes.Leg numbness is usually due to a lack of blood supply to an area or nerve damage. Leg numbness can also result from infection, inflammation, trauma, and other abnormal processes.eg numbness is an abnormal condition in which you feel a loss of sensation in the legs. You can have numbness of one (unilateral) or both (bilateral leg numbness) legs. Numbness in the legs may also extend to your toes.