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Problems and exercisesBenzylic Position

1. Benzylic positions

Mark the benzylic positions in the following compounds.

Twelve compounds: toluene, p-cymene, a methylated tetrahydrophenanthrene, 9,10-dihydroanthracene, 2-ethylpyridine, a tetrahydroquinoxaline, a cyclopentafuran, 9,10-dihydrophenanthrene, a tetrahydrobenzothiophene, methyltropylium, isopropylferrocene and a tetrahydroindene

2. Radical stability

Rank the following radicals by stability: methyl, benzyl, isopropyl and diphenylmethyl.

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